#!/usr/bin/env php
<?php
if ($_SERVER['SCRIPT_NAME'] != '-') {
    $phar = realpath($_SERVER['SCRIPT_NAME']);
} else {
    $files = get_included_files();
    $phar = $files[0];
}

define('__PHPDCD_PHAR__', str_replace(DIRECTORY_SEPARATOR, '/', $phar));
define('__PHPDCD_PHAR_ROOT__', 'phar://phpdcd-1.0.2.phar');

spl_autoload_register(
  function ($class)
  {
      static $classes = NULL;

      if ($classes === NULL) {
          $classes = array(
            'php_timer' => '/php-timer/Timer.php',
            'php_token' => '/php-token-stream/Token.php',
            'php_token_abstract' => '/php-token-stream/Token.php',
            'php_token_ampersand' => '/php-token-stream/Token.php',
            'php_token_and_equal' => '/php-token-stream/Token.php',
            'php_token_array' => '/php-token-stream/Token.php',
            'php_token_array_cast' => '/php-token-stream/Token.php',
            'php_token_as' => '/php-token-stream/Token.php',
            'php_token_at' => '/php-token-stream/Token.php',
            'php_token_backtick' => '/php-token-stream/Token.php',
            'php_token_bad_character' => '/php-token-stream/Token.php',
            'php_token_bool_cast' => '/php-token-stream/Token.php',
            'php_token_boolean_and' => '/php-token-stream/Token.php',
            'php_token_boolean_or' => '/php-token-stream/Token.php',
            'php_token_break' => '/php-token-stream/Token.php',
            'php_token_callable' => '/php-token-stream/Token.php',
            'php_token_caret' => '/php-token-stream/Token.php',
            'php_token_case' => '/php-token-stream/Token.php',
            'php_token_catch' => '/php-token-stream/Token.php',
            'php_token_character' => '/php-token-stream/Token.php',
            'php_token_class' => '/php-token-stream/Token.php',
            'php_token_class_c' => '/php-token-stream/Token.php',
            'php_token_class_name_constant' => '/php-token-stream/Token.php',
            'php_token_clone' => '/php-token-stream/Token.php',
            'php_token_close_bracket' => '/php-token-stream/Token.php',
            'php_token_close_curly' => '/php-token-stream/Token.php',
            'php_token_close_square' => '/php-token-stream/Token.php',
            'php_token_close_tag' => '/php-token-stream/Token.php',
            'php_token_colon' => '/php-token-stream/Token.php',
            'php_token_comma' => '/php-token-stream/Token.php',
            'php_token_comment' => '/php-token-stream/Token.php',
            'php_token_concat_equal' => '/php-token-stream/Token.php',
            'php_token_const' => '/php-token-stream/Token.php',
            'php_token_constant_encapsed_string' => '/php-token-stream/Token.php',
            'php_token_continue' => '/php-token-stream/Token.php',
            'php_token_curly_open' => '/php-token-stream/Token.php',
            'php_token_dec' => '/php-token-stream/Token.php',
            'php_token_declare' => '/php-token-stream/Token.php',
            'php_token_default' => '/php-token-stream/Token.php',
            'php_token_dir' => '/php-token-stream/Token.php',
            'php_token_div' => '/php-token-stream/Token.php',
            'php_token_div_equal' => '/php-token-stream/Token.php',
            'php_token_dnumber' => '/php-token-stream/Token.php',
            'php_token_do' => '/php-token-stream/Token.php',
            'php_token_doc_comment' => '/php-token-stream/Token.php',
            'php_token_dollar' => '/php-token-stream/Token.php',
            'php_token_dollar_open_curly_braces' => '/php-token-stream/Token.php',
            'php_token_dot' => '/php-token-stream/Token.php',
            'php_token_double_arrow' => '/php-token-stream/Token.php',
            'php_token_double_cast' => '/php-token-stream/Token.php',
            'php_token_double_colon' => '/php-token-stream/Token.php',
            'php_token_double_quotes' => '/php-token-stream/Token.php',
            'php_token_echo' => '/php-token-stream/Token.php',
            'php_token_else' => '/php-token-stream/Token.php',
            'php_token_elseif' => '/php-token-stream/Token.php',
            'php_token_empty' => '/php-token-stream/Token.php',
            'php_token_encapsed_and_whitespace' => '/php-token-stream/Token.php',
            'php_token_end_heredoc' => '/php-token-stream/Token.php',
            'php_token_enddeclare' => '/php-token-stream/Token.php',
            'php_token_endfor' => '/php-token-stream/Token.php',
            'php_token_endforeach' => '/php-token-stream/Token.php',
            'php_token_endif' => '/php-token-stream/Token.php',
            'php_token_endswitch' => '/php-token-stream/Token.php',
            'php_token_endwhile' => '/php-token-stream/Token.php',
            'php_token_equal' => '/php-token-stream/Token.php',
            'php_token_eval' => '/php-token-stream/Token.php',
            'php_token_exclamation_mark' => '/php-token-stream/Token.php',
            'php_token_exit' => '/php-token-stream/Token.php',
            'php_token_extends' => '/php-token-stream/Token.php',
            'php_token_file' => '/php-token-stream/Token.php',
            'php_token_final' => '/php-token-stream/Token.php',
            'php_token_finally' => '/php-token-stream/Token.php',
            'php_token_for' => '/php-token-stream/Token.php',
            'php_token_foreach' => '/php-token-stream/Token.php',
            'php_token_func_c' => '/php-token-stream/Token.php',
            'php_token_function' => '/php-token-stream/Token.php',
            'php_token_global' => '/php-token-stream/Token.php',
            'php_token_goto' => '/php-token-stream/Token.php',
            'php_token_gt' => '/php-token-stream/Token.php',
            'php_token_halt_compiler' => '/php-token-stream/Token.php',
            'php_token_if' => '/php-token-stream/Token.php',
            'php_token_implements' => '/php-token-stream/Token.php',
            'php_token_inc' => '/php-token-stream/Token.php',
            'php_token_include' => '/php-token-stream/Token.php',
            'php_token_include_once' => '/php-token-stream/Token.php',
            'php_token_includes' => '/php-token-stream/Token.php',
            'php_token_inline_html' => '/php-token-stream/Token.php',
            'php_token_instanceof' => '/php-token-stream/Token.php',
            'php_token_insteadof' => '/php-token-stream/Token.php',
            'php_token_int_cast' => '/php-token-stream/Token.php',
            'php_token_interface' => '/php-token-stream/Token.php',
            'php_token_is_equal' => '/php-token-stream/Token.php',
            'php_token_is_greater_or_equal' => '/php-token-stream/Token.php',
            'php_token_is_identical' => '/php-token-stream/Token.php',
            'php_token_is_not_equal' => '/php-token-stream/Token.php',
            'php_token_is_not_identical' => '/php-token-stream/Token.php',
            'php_token_is_smaller_or_equal' => '/php-token-stream/Token.php',
            'php_token_isset' => '/php-token-stream/Token.php',
            'php_token_line' => '/php-token-stream/Token.php',
            'php_token_list' => '/php-token-stream/Token.php',
            'php_token_lnumber' => '/php-token-stream/Token.php',
            'php_token_logical_and' => '/php-token-stream/Token.php',
            'php_token_logical_or' => '/php-token-stream/Token.php',
            'php_token_logical_xor' => '/php-token-stream/Token.php',
            'php_token_lt' => '/php-token-stream/Token.php',
            'php_token_method_c' => '/php-token-stream/Token.php',
            'php_token_minus' => '/php-token-stream/Token.php',
            'php_token_minus_equal' => '/php-token-stream/Token.php',
            'php_token_mod_equal' => '/php-token-stream/Token.php',
            'php_token_mul_equal' => '/php-token-stream/Token.php',
            'php_token_mult' => '/php-token-stream/Token.php',
            'php_token_namespace' => '/php-token-stream/Token.php',
            'php_token_new' => '/php-token-stream/Token.php',
            'php_token_ns_c' => '/php-token-stream/Token.php',
            'php_token_ns_separator' => '/php-token-stream/Token.php',
            'php_token_num_string' => '/php-token-stream/Token.php',
            'php_token_object_cast' => '/php-token-stream/Token.php',
            'php_token_object_operator' => '/php-token-stream/Token.php',
            'php_token_open_bracket' => '/php-token-stream/Token.php',
            'php_token_open_curly' => '/php-token-stream/Token.php',
            'php_token_open_square' => '/php-token-stream/Token.php',
            'php_token_open_tag' => '/php-token-stream/Token.php',
            'php_token_open_tag_with_echo' => '/php-token-stream/Token.php',
            'php_token_or_equal' => '/php-token-stream/Token.php',
            'php_token_paamayim_nekudotayim' => '/php-token-stream/Token.php',
            'php_token_percent' => '/php-token-stream/Token.php',
            'php_token_pipe' => '/php-token-stream/Token.php',
            'php_token_plus' => '/php-token-stream/Token.php',
            'php_token_plus_equal' => '/php-token-stream/Token.php',
            'php_token_print' => '/php-token-stream/Token.php',
            'php_token_private' => '/php-token-stream/Token.php',
            'php_token_protected' => '/php-token-stream/Token.php',
            'php_token_public' => '/php-token-stream/Token.php',
            'php_token_question_mark' => '/php-token-stream/Token.php',
            'php_token_require' => '/php-token-stream/Token.php',
            'php_token_require_once' => '/php-token-stream/Token.php',
            'php_token_return' => '/php-token-stream/Token.php',
            'php_token_semicolon' => '/php-token-stream/Token.php',
            'php_token_sl' => '/php-token-stream/Token.php',
            'php_token_sl_equal' => '/php-token-stream/Token.php',
            'php_token_sr' => '/php-token-stream/Token.php',
            'php_token_sr_equal' => '/php-token-stream/Token.php',
            'php_token_start_heredoc' => '/php-token-stream/Token.php',
            'php_token_static' => '/php-token-stream/Token.php',
            'php_token_stream' => '/php-token-stream/Token/Stream.php',
            'php_token_stream_cachingfactory' => '/php-token-stream/Token/Stream/CachingFactory.php',
            'php_token_string' => '/php-token-stream/Token.php',
            'php_token_string_cast' => '/php-token-stream/Token.php',
            'php_token_string_varname' => '/php-token-stream/Token.php',
            'php_token_switch' => '/php-token-stream/Token.php',
            'php_token_throw' => '/php-token-stream/Token.php',
            'php_token_tilde' => '/php-token-stream/Token.php',
            'php_token_trait' => '/php-token-stream/Token.php',
            'php_token_trait_c' => '/php-token-stream/Token.php',
            'php_token_try' => '/php-token-stream/Token.php',
            'php_token_unset' => '/php-token-stream/Token.php',
            'php_token_unset_cast' => '/php-token-stream/Token.php',
            'php_token_use' => '/php-token-stream/Token.php',
            'php_token_var' => '/php-token-stream/Token.php',
            'php_token_variable' => '/php-token-stream/Token.php',
            'php_token_while' => '/php-token-stream/Token.php',
            'php_token_whitespace' => '/php-token-stream/Token.php',
            'php_token_xor_equal' => '/php-token-stream/Token.php',
            'php_token_yield' => '/php-token-stream/Token.php',
            'php_tokenwithscope' => '/php-token-stream/Token.php',
            'php_tokenwithscopeandvisibility' => '/php-token-stream/Token.php',
            'sebastianbergmann\\finderfacade\\configuration' => '/finder-facade/Configuration.php',
            'sebastianbergmann\\finderfacade\\finderfacade' => '/finder-facade/FinderFacade.php',
            'sebastianbergmann\\phpdcd\\analyser' => '/src/Analyser.php',
            'sebastianbergmann\\phpdcd\\cli\\application' => '/src/CLI/Application.php',
            'sebastianbergmann\\phpdcd\\cli\\command' => '/src/CLI/Command.php',
            'sebastianbergmann\\phpdcd\\detector' => '/src/Detector.php',
            'sebastianbergmann\\phpdcd\\log\\text' => '/src/Log/Text.php',
            'sebastianbergmann\\version' => '/version/Version.php',
            'symfony\\component\\console\\application' => '/symfony/console/Symfony/Component/Console/Application.php',
            'symfony\\component\\console\\command\\command' => '/symfony/console/Symfony/Component/Console/Command/Command.php',
            'symfony\\component\\console\\command\\helpcommand' => '/symfony/console/Symfony/Component/Console/Command/HelpCommand.php',
            'symfony\\component\\console\\command\\listcommand' => '/symfony/console/Symfony/Component/Console/Command/ListCommand.php',
            'symfony\\component\\console\\consoleevents' => '/symfony/console/Symfony/Component/Console/ConsoleEvents.php',
            'symfony\\component\\console\\descriptor\\applicationdescription' => '/symfony/console/Symfony/Component/Console/Descriptor/ApplicationDescription.php',
            'symfony\\component\\console\\descriptor\\descriptor' => '/symfony/console/Symfony/Component/Console/Descriptor/Descriptor.php',
            'symfony\\component\\console\\descriptor\\descriptorinterface' => '/symfony/console/Symfony/Component/Console/Descriptor/DescriptorInterface.php',
            'symfony\\component\\console\\descriptor\\jsondescriptor' => '/symfony/console/Symfony/Component/Console/Descriptor/JsonDescriptor.php',
            'symfony\\component\\console\\descriptor\\markdowndescriptor' => '/symfony/console/Symfony/Component/Console/Descriptor/MarkdownDescriptor.php',
            'symfony\\component\\console\\descriptor\\textdescriptor' => '/symfony/console/Symfony/Component/Console/Descriptor/TextDescriptor.php',
            'symfony\\component\\console\\descriptor\\xmldescriptor' => '/symfony/console/Symfony/Component/Console/Descriptor/XmlDescriptor.php',
            'symfony\\component\\console\\event\\consolecommandevent' => '/symfony/console/Symfony/Component/Console/Event/ConsoleCommandEvent.php',
            'symfony\\component\\console\\event\\consoleevent' => '/symfony/console/Symfony/Component/Console/Event/ConsoleEvent.php',
            'symfony\\component\\console\\event\\consoleexceptionevent' => '/symfony/console/Symfony/Component/Console/Event/ConsoleExceptionEvent.php',
            'symfony\\component\\console\\event\\consoleterminateevent' => '/symfony/console/Symfony/Component/Console/Event/ConsoleTerminateEvent.php',
            'symfony\\component\\console\\formatter\\outputformatter' => '/symfony/console/Symfony/Component/Console/Formatter/OutputFormatter.php',
            'symfony\\component\\console\\formatter\\outputformatterinterface' => '/symfony/console/Symfony/Component/Console/Formatter/OutputFormatterInterface.php',
            'symfony\\component\\console\\formatter\\outputformatterstyle' => '/symfony/console/Symfony/Component/Console/Formatter/OutputFormatterStyle.php',
            'symfony\\component\\console\\formatter\\outputformatterstyleinterface' => '/symfony/console/Symfony/Component/Console/Formatter/OutputFormatterStyleInterface.php',
            'symfony\\component\\console\\formatter\\outputformatterstylestack' => '/symfony/console/Symfony/Component/Console/Formatter/OutputFormatterStyleStack.php',
            'symfony\\component\\console\\helper\\descriptorhelper' => '/symfony/console/Symfony/Component/Console/Helper/DescriptorHelper.php',
            'symfony\\component\\console\\helper\\dialoghelper' => '/symfony/console/Symfony/Component/Console/Helper/DialogHelper.php',
            'symfony\\component\\console\\helper\\formatterhelper' => '/symfony/console/Symfony/Component/Console/Helper/FormatterHelper.php',
            'symfony\\component\\console\\helper\\helper' => '/symfony/console/Symfony/Component/Console/Helper/Helper.php',
            'symfony\\component\\console\\helper\\helperinterface' => '/symfony/console/Symfony/Component/Console/Helper/HelperInterface.php',
            'symfony\\component\\console\\helper\\helperset' => '/symfony/console/Symfony/Component/Console/Helper/HelperSet.php',
            'symfony\\component\\console\\helper\\inputawarehelper' => '/symfony/console/Symfony/Component/Console/Helper/InputAwareHelper.php',
            'symfony\\component\\console\\helper\\progresshelper' => '/symfony/console/Symfony/Component/Console/Helper/ProgressHelper.php',
            'symfony\\component\\console\\helper\\tablehelper' => '/symfony/console/Symfony/Component/Console/Helper/TableHelper.php',
            'symfony\\component\\console\\input\\argvinput' => '/symfony/console/Symfony/Component/Console/Input/ArgvInput.php',
            'symfony\\component\\console\\input\\arrayinput' => '/symfony/console/Symfony/Component/Console/Input/ArrayInput.php',
            'symfony\\component\\console\\input\\input' => '/symfony/console/Symfony/Component/Console/Input/Input.php',
            'symfony\\component\\console\\input\\inputargument' => '/symfony/console/Symfony/Component/Console/Input/InputArgument.php',
            'symfony\\component\\console\\input\\inputawareinterface' => '/symfony/console/Symfony/Component/Console/Input/InputAwareInterface.php',
            'symfony\\component\\console\\input\\inputdefinition' => '/symfony/console/Symfony/Component/Console/Input/InputDefinition.php',
            'symfony\\component\\console\\input\\inputinterface' => '/symfony/console/Symfony/Component/Console/Input/InputInterface.php',
            'symfony\\component\\console\\input\\inputoption' => '/symfony/console/Symfony/Component/Console/Input/InputOption.php',
            'symfony\\component\\console\\input\\stringinput' => '/symfony/console/Symfony/Component/Console/Input/StringInput.php',
            'symfony\\component\\console\\output\\bufferedoutput' => '/symfony/console/Symfony/Component/Console/Output/BufferedOutput.php',
            'symfony\\component\\console\\output\\consoleoutput' => '/symfony/console/Symfony/Component/Console/Output/ConsoleOutput.php',
            'symfony\\component\\console\\output\\consoleoutputinterface' => '/symfony/console/Symfony/Component/Console/Output/ConsoleOutputInterface.php',
            'symfony\\component\\console\\output\\nulloutput' => '/symfony/console/Symfony/Component/Console/Output/NullOutput.php',
            'symfony\\component\\console\\output\\output' => '/symfony/console/Symfony/Component/Console/Output/Output.php',
            'symfony\\component\\console\\output\\outputinterface' => '/symfony/console/Symfony/Component/Console/Output/OutputInterface.php',
            'symfony\\component\\console\\output\\streamoutput' => '/symfony/console/Symfony/Component/Console/Output/StreamOutput.php',
            'symfony\\component\\console\\shell' => '/symfony/console/Symfony/Component/Console/Shell.php',
            'symfony\\component\\console\\tester\\applicationtester' => '/symfony/console/Symfony/Component/Console/Tester/ApplicationTester.php',
            'symfony\\component\\console\\tester\\commandtester' => '/symfony/console/Symfony/Component/Console/Tester/CommandTester.php',
            'symfony\\component\\finder\\adapter\\abstractadapter' => '/symfony/finder/Symfony/Component/Finder/Adapter/AbstractAdapter.php',
            'symfony\\component\\finder\\adapter\\abstractfindadapter' => '/symfony/finder/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php',
            'symfony\\component\\finder\\adapter\\adapterinterface' => '/symfony/finder/Symfony/Component/Finder/Adapter/AdapterInterface.php',
            'symfony\\component\\finder\\adapter\\bsdfindadapter' => '/symfony/finder/Symfony/Component/Finder/Adapter/BsdFindAdapter.php',
            'symfony\\component\\finder\\adapter\\gnufindadapter' => '/symfony/finder/Symfony/Component/Finder/Adapter/GnuFindAdapter.php',
            'symfony\\component\\finder\\adapter\\phpadapter' => '/symfony/finder/Symfony/Component/Finder/Adapter/PhpAdapter.php',
            'symfony\\component\\finder\\comparator\\comparator' => '/symfony/finder/Symfony/Component/Finder/Comparator/Comparator.php',
            'symfony\\component\\finder\\comparator\\datecomparator' => '/symfony/finder/Symfony/Component/Finder/Comparator/DateComparator.php',
            'symfony\\component\\finder\\comparator\\numbercomparator' => '/symfony/finder/Symfony/Component/Finder/Comparator/NumberComparator.php',
            'symfony\\component\\finder\\exception\\accessdeniedexception' => '/symfony/finder/Symfony/Component/Finder/Exception/AccessDeniedException.php',
            'symfony\\component\\finder\\exception\\adapterfailureexception' => '/symfony/finder/Symfony/Component/Finder/Exception/AdapterFailureException.php',
            'symfony\\component\\finder\\exception\\exceptioninterface' => '/symfony/finder/Symfony/Component/Finder/Exception/ExceptionInterface.php',
            'symfony\\component\\finder\\exception\\operationnotpermitedexception' => '/symfony/finder/Symfony/Component/Finder/Exception/OperationNotPermitedException.php',
            'symfony\\component\\finder\\exception\\shellcommandfailureexception' => '/symfony/finder/Symfony/Component/Finder/Exception/ShellCommandFailureException.php',
            'symfony\\component\\finder\\expression\\expression' => '/symfony/finder/Symfony/Component/Finder/Expression/Expression.php',
            'symfony\\component\\finder\\expression\\glob' => '/symfony/finder/Symfony/Component/Finder/Expression/Glob.php',
            'symfony\\component\\finder\\expression\\regex' => '/symfony/finder/Symfony/Component/Finder/Expression/Regex.php',
            'symfony\\component\\finder\\expression\\valueinterface' => '/symfony/finder/Symfony/Component/Finder/Expression/ValueInterface.php',
            'symfony\\component\\finder\\finder' => '/symfony/finder/Symfony/Component/Finder/Finder.php',
            'symfony\\component\\finder\\glob' => '/symfony/finder/Symfony/Component/Finder/Glob.php',
            'symfony\\component\\finder\\iterator\\customfilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/CustomFilterIterator.php',
            'symfony\\component\\finder\\iterator\\daterangefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php',
            'symfony\\component\\finder\\iterator\\depthrangefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php',
            'symfony\\component\\finder\\iterator\\excludedirectoryfilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php',
            'symfony\\component\\finder\\iterator\\filecontentfilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/FilecontentFilterIterator.php',
            'symfony\\component\\finder\\iterator\\filenamefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/FilenameFilterIterator.php',
            'symfony\\component\\finder\\iterator\\filepathsiterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/FilePathsIterator.php',
            'symfony\\component\\finder\\iterator\\filetypefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php',
            'symfony\\component\\finder\\iterator\\filteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/FilterIterator.php',
            'symfony\\component\\finder\\iterator\\multiplepcrefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php',
            'symfony\\component\\finder\\iterator\\pathfilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/PathFilterIterator.php',
            'symfony\\component\\finder\\iterator\\recursivedirectoryiterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php',
            'symfony\\component\\finder\\iterator\\sizerangefilteriterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php',
            'symfony\\component\\finder\\iterator\\sortableiterator' => '/symfony/finder/Symfony/Component/Finder/Iterator/SortableIterator.php',
            'symfony\\component\\finder\\shell\\command' => '/symfony/finder/Symfony/Component/Finder/Shell/Command.php',
            'symfony\\component\\finder\\shell\\shell' => '/symfony/finder/Symfony/Component/Finder/Shell/Shell.php',
            'symfony\\component\\finder\\splfileinfo' => '/symfony/finder/Symfony/Component/Finder/SplFileInfo.php',
            'symfony\\component\\yaml\\dumper' => '/symfony/yaml/Symfony/Component/Yaml/Dumper.php',
            'symfony\\component\\yaml\\escaper' => '/symfony/yaml/Symfony/Component/Yaml/Escaper.php',
            'symfony\\component\\yaml\\exception\\dumpexception' => '/symfony/yaml/Symfony/Component/Yaml/Exception/DumpException.php',
            'symfony\\component\\yaml\\exception\\exceptioninterface' => '/symfony/yaml/Symfony/Component/Yaml/Exception/ExceptionInterface.php',
            'symfony\\component\\yaml\\exception\\parseexception' => '/symfony/yaml/Symfony/Component/Yaml/Exception/ParseException.php',
            'symfony\\component\\yaml\\exception\\runtimeexception' => '/symfony/yaml/Symfony/Component/Yaml/Exception/RuntimeException.php',
            'symfony\\component\\yaml\\inline' => '/symfony/yaml/Symfony/Component/Yaml/Inline.php',
            'symfony\\component\\yaml\\parser' => '/symfony/yaml/Symfony/Component/Yaml/Parser.php',
            'symfony\\component\\yaml\\unescaper' => '/symfony/yaml/Symfony/Component/Yaml/Unescaper.php',
            'symfony\\component\\yaml\\yaml' => '/symfony/yaml/Symfony/Component/Yaml/Yaml.php',
            'theseer\\fdom\\css\\dollarequalrule' => '/fdomdocument/css/DollarEqualRule.php',
            'theseer\\fdom\\css\\notrule' => '/fdomdocument/css/NotRule.php',
            'theseer\\fdom\\css\\nthchildrule' => '/fdomdocument/css/NthChildRule.php',
            'theseer\\fdom\\css\\regexrule' => '/fdomdocument/css/RegexRule.php',
            'theseer\\fdom\\css\\ruleinterface' => '/fdomdocument/css/RuleInterface.php',
            'theseer\\fdom\\css\\translator' => '/fdomdocument/css/Translator.php',
            'theseer\\fdom\\fdomdocument' => '/fdomdocument/fDOMDocument.php',
            'theseer\\fdom\\fdomdocumentfragment' => '/fdomdocument/fDOMDocumentFragment.php',
            'theseer\\fdom\\fdomelement' => '/fdomdocument/fDOMElement.php',
            'theseer\\fdom\\fdomexception' => '/fdomdocument/fDOMException.php',
            'theseer\\fdom\\fdomnode' => '/fdomdocument/fDOMNode.php',
            'theseer\\fdom\\fdomxpath' => '/fdomdocument/fDOMXPath.php',
            'theseer\\fdom\\xpathquery' => '/fdomdocument/XPathQuery.php',
            'theseer\\fdom\\xpathqueryexception' => '/fdomdocument/XPathQueryException.php'
          );
      }

      $class = strtolower($class);

      if (isset($classes[$class])) {
          require 'phar://phpdcd-1.0.2.phar' . $classes[$class];
      }
  }
);

Phar::mapPhar('phpdcd-1.0.2.phar');

if (isset($_SERVER['argv'][1]) && $_SERVER['argv'][1] == '--manifest') {
    print file_get_contents(__PHPDCD_PHAR_ROOT__ . '/manifest.txt');
    exit;
}

$application = new SebastianBergmann\PHPDCD\CLI\Application;
$application->run();

__HALT_COMPILER(); ?>
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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

/**
 * Interface for finder engine implementations.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
abstract class AbstractAdapter implements AdapterInterface
{
    protected $followLinks = false;
    protected $mode        = 0;
    protected $minDepth    = 0;
    protected $maxDepth    = PHP_INT_MAX;
    protected $exclude     = array();
    protected $names       = array();
    protected $notNames    = array();
    protected $contains    = array();
    protected $notContains = array();
    protected $sizes       = array();
    protected $dates       = array();
    protected $filters     = array();
    protected $sort        = false;
    protected $paths       = array();
    protected $notPaths    = array();
    protected $ignoreUnreadableDirs = false;

    private static $areSupported = array();

    /**
     * {@inheritDoc}
     */
    public function isSupported()
    {
        $name = $this->getName();

        if (!array_key_exists($name, self::$areSupported)) {
            self::$areSupported[$name] = $this->canBeUsed();
        }

        return self::$areSupported[$name];
    }

    /**
     * {@inheritdoc}
     */
    public function setFollowLinks($followLinks)
    {
        $this->followLinks = $followLinks;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setMode($mode)
    {
        $this->mode = $mode;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setDepths(array $depths)
    {
        $this->minDepth = 0;
        $this->maxDepth = PHP_INT_MAX;

        foreach ($depths as $comparator) {
            switch ($comparator->getOperator()) {
                case '>':
                    $this->minDepth = $comparator->getTarget() + 1;
                    break;
                case '>=':
                    $this->minDepth = $comparator->getTarget();
                    break;
                case '<':
                    $this->maxDepth = $comparator->getTarget() - 1;
                    break;
                case '<=':
                    $this->maxDepth = $comparator->getTarget();
                    break;
                default:
                    $this->minDepth = $this->maxDepth = $comparator->getTarget();
            }
        }

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setExclude(array $exclude)
    {
        $this->exclude = $exclude;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNames(array $names)
    {
        $this->names = $names;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotNames(array $notNames)
    {
        $this->notNames = $notNames;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setContains(array $contains)
    {
        $this->contains = $contains;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotContains(array $notContains)
    {
        $this->notContains = $notContains;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setSizes(array $sizes)
    {
        $this->sizes = $sizes;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setDates(array $dates)
    {
        $this->dates = $dates;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setFilters(array $filters)
    {
        $this->filters = $filters;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setSort($sort)
    {
        $this->sort = $sort;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setPath(array $paths)
    {
        $this->paths = $paths;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotPath(array $notPaths)
    {
        $this->notPaths = $notPaths;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function ignoreUnreadableDirs($ignore = true)
    {
        $this->ignoreUnreadableDirs = (Boolean) $ignore;

        return $this;
    }

    /**
     * Returns whether the adapter is supported in the current environment.
     *
     * This method should be implemented in all adapters. Do not implement
     * isSupported in the adapters as the generic implementation provides a cache
     * layer.
     *
     * @see isSupported
     *
     * @return Boolean Whether the adapter is supported
     */
    abstract protected function canBeUsed();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Expression\Expression;

/**
 * Shell engine implementation using GNU find command.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class GnuFindAdapter extends AbstractFindAdapter
{
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'gnu_find';
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFormatSorting(Command $command, $sort)
    {
        switch ($sort) {
            case SortableIterator::SORT_BY_NAME:
                $command->ins('sort')->add('| sort');

                return;
            case SortableIterator::SORT_BY_TYPE:
                $format = '%y';
                break;
            case SortableIterator::SORT_BY_ACCESSED_TIME:
                $format = '%A@';
                break;
            case SortableIterator::SORT_BY_CHANGED_TIME:
                $format = '%C@';
                break;
            case SortableIterator::SORT_BY_MODIFIED_TIME:
                $format = '%T@';
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
        }

        $command
            ->get('find')
            ->add('-printf')
            ->arg($format.' %h/%f\\n')
            ->add('| sort | cut')
            ->arg('-d ')
            ->arg('-f2-')
        ;
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return $this->shell->getType() === Shell::TYPE_UNIX && parent::canBeUsed();
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFindCommand(Command $command, $dir)
    {
      return parent::buildFindCommand($command, $dir)->add('-regextype posix-extended');
    }

    /**
     * {@inheritdoc}
     */
    protected function buildContentFiltering(Command $command, array $contains, $not = false)
    {
        foreach ($contains as $contain) {
            $expr = Expression::create($contain);

            // todo: avoid forking process for each $pattern by using multiple -e options
            $command
                ->add('| xargs -I{} -r grep -I')
                ->add($expr->isCaseSensitive() ? null : '-i')
                ->add($not ? '-L' : '-l')
                ->add('-Ee')->arg($expr->renderPattern())
                ->add('{}')
            ;
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Expression\Expression;

/**
 * Shell engine implementation using BSD find command.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class BsdFindAdapter extends AbstractFindAdapter
{
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'bsd_find';
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return in_array($this->shell->getType(), array(Shell::TYPE_BSD, Shell::TYPE_DARWIN)) && parent::canBeUsed();
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFormatSorting(Command $command, $sort)
    {
        switch ($sort) {
            case SortableIterator::SORT_BY_NAME:
                $command->ins('sort')->add('| sort');

                return;
            case SortableIterator::SORT_BY_TYPE:
                $format = '%HT';
                break;
            case SortableIterator::SORT_BY_ACCESSED_TIME:
                $format = '%a';
                break;
            case SortableIterator::SORT_BY_CHANGED_TIME:
                $format = '%c';
                break;
            case SortableIterator::SORT_BY_MODIFIED_TIME:
                $format = '%m';
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
        }

        $command
            ->add('-print0 | xargs -0 stat -f')
            ->arg($format.'%t%N')
            ->add('| sort | cut -f 2');
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFindCommand(Command $command, $dir)
    {
        parent::buildFindCommand($command, $dir)->addAtIndex('-E', 1);

        return $command;
    }

    /**
     * {@inheritdoc}
     */
    protected function buildContentFiltering(Command $command, array $contains, $not = false)
    {
        foreach ($contains as $contain) {
            $expr = Expression::create($contain);

            // todo: avoid forking process for each $pattern by using multiple -e options
            $command
                ->add('| grep -v \'^$\'')
                ->add('| xargs -I{} grep -I')
                ->add($expr->isCaseSensitive() ? null : '-i')
                ->add($not ? '-L' : '-l')
                ->add('-Ee')->arg($expr->renderPattern())
                ->add('{}')
            ;
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Exception\AccessDeniedException;
use Symfony\Component\Finder\Iterator;
use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Expression\Expression;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Comparator\NumberComparator;
use Symfony\Component\Finder\Comparator\DateComparator;

/**
 * Shell engine implementation using GNU find command.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
abstract class AbstractFindAdapter extends AbstractAdapter
{
    /**
     * @var Shell
     */
    protected $shell;

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->shell = new Shell();
    }

    /**
     * {@inheritdoc}
     */
    public function searchInDirectory($dir)
    {
        // having "/../" in path make find fail
        $dir = realpath($dir);

        // searching directories containing or not containing strings leads to no result
        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode && ($this->contains || $this->notContains)) {
            return new Iterator\FilePathsIterator(array(), $dir);
        }

        $command = Command::create();
        $find = $this->buildFindCommand($command, $dir);

        if ($this->followLinks) {
            $find->add('-follow');
        }

        $find->add('-mindepth')->add($this->minDepth + 1);

        if (PHP_INT_MAX !== $this->maxDepth) {
            $find->add('-maxdepth')->add($this->maxDepth + 1);
        }

        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode) {
            $find->add('-type d');
        } elseif (Iterator\FileTypeFilterIterator::ONLY_FILES === $this->mode) {
            $find->add('-type f');
        }

        $this->buildNamesFiltering($find, $this->names);
        $this->buildNamesFiltering($find, $this->notNames, true);
        $this->buildPathsFiltering($find, $dir, $this->paths);
        $this->buildPathsFiltering($find, $dir, $this->notPaths, true);
        $this->buildSizesFiltering($find, $this->sizes);
        $this->buildDatesFiltering($find, $this->dates);

        $useGrep = $this->shell->testCommand('grep') && $this->shell->testCommand('xargs');
        $useSort = is_int($this->sort) && $this->shell->testCommand('sort') && $this->shell->testCommand('cut');

        if ($useGrep && ($this->contains || $this->notContains)) {
            $grep = $command->ins('grep');
            $this->buildContentFiltering($grep, $this->contains);
            $this->buildContentFiltering($grep, $this->notContains, true);
        }

        if ($useSort) {
            $this->buildSorting($command, $this->sort);
        }

        $command->setErrorHandler(
            $this->ignoreUnreadableDirs
                // If directory is unreadable and finder is set to ignore it, `stderr` is ignored.
                ? function ($stderr) { return; }
                : function ($stderr) { throw new AccessDeniedException($stderr); }
        );

        $paths = $this->shell->testCommand('uniq') ? $command->add('| uniq')->execute() : array_unique($command->execute());
        $iterator = new Iterator\FilePathsIterator($paths, $dir);

        if ($this->exclude) {
            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
        }

        if (!$useGrep && ($this->contains || $this->notContains)) {
            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
        }

        if ($this->filters) {
            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
        }

        if (!$useSort && $this->sort) {
            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
            $iterator = $iteratorAggregate->getIterator();
        }

        return $iterator;
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return $this->shell->testCommand('find');
    }

    /**
     * @param Command $command
     * @param string  $dir
     *
     * @return Command
     */
    protected function buildFindCommand(Command $command, $dir)
    {
        return $command
            ->ins('find')
            ->add('find ')
            ->arg($dir)
            ->add('-noleaf'); // the -noleaf option is required for filesystems that don't follow the '.' and '..' conventions
    }

    /**
     * @param Command  $command
     * @param string[] $names
     * @param Boolean  $not
     */
    private function buildNamesFiltering(Command $command, array $names, $not = false)
    {
        if (0 === count($names)) {
            return;
        }

        $command->add($not ? '-not' : null)->cmd('(');

        foreach ($names as $i => $name) {
            $expr = Expression::create($name);

            // Find does not support expandable globs ("*.{a,b}" syntax).
            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
                $expr = Expression::create($expr->getGlob()->toRegex(false));
            }

            // Fixes 'not search' and 'full path matching' regex problems.
            // - Jokers '.' are replaced by [^/].
            // - We add '[^/]*' before and after regex (if no ^|$ flags are present).
            if ($expr->isRegex()) {
                $regex = $expr->getRegex();
                $regex->prepend($regex->hasStartFlag() ? '/' : '/[^/]*')
                    ->setStartFlag(false)
                    ->setStartJoker(true)
                    ->replaceJokers('[^/]');
                if (!$regex->hasEndFlag() || $regex->hasEndJoker()) {
                    $regex->setEndJoker(false)->append('[^/]*');
                }
            }

            $command
                ->add($i > 0 ? '-or' : null)
                ->add($expr->isRegex()
                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
                    : ($expr->isCaseSensitive() ? '-name' : '-iname')
                )
                ->arg($expr->renderPattern());
        }

        $command->cmd(')');
    }

    /**
     * @param Command  $command
     * @param string   $dir
     * @param string[] $paths
     * @param Boolean  $not
     */
    private function buildPathsFiltering(Command $command, $dir, array $paths, $not = false)
    {
        if (0 === count($paths)) {
            return;
        }

        $command->add($not ? '-not' : null)->cmd('(');

        foreach ($paths as $i => $path) {
            $expr = Expression::create($path);

            // Find does not support expandable globs ("*.{a,b}" syntax).
            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
                $expr = Expression::create($expr->getGlob()->toRegex(false));
            }

            // Fixes 'not search' regex problems.
            if ($expr->isRegex()) {
                $regex = $expr->getRegex();
                $regex->prepend($regex->hasStartFlag() ? $dir.DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
            } else {
                $expr->prepend('*')->append('*');
            }

            $command
                ->add($i > 0 ? '-or' : null)
                ->add($expr->isRegex()
                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
                    : ($expr->isCaseSensitive() ? '-path' : '-ipath')
                )
                ->arg($expr->renderPattern());
        }

        $command->cmd(')');
    }

    /**
     * @param Command            $command
     * @param NumberComparator[] $sizes
     */
    private function buildSizesFiltering(Command $command, array $sizes)
    {
        foreach ($sizes as $i => $size) {
            $command->add($i > 0 ? '-and' : null);

            switch ($size->getOperator()) {
                case '<=':
                    $command->add('-size -'.($size->getTarget() + 1).'c');
                    break;
                case '>=':
                    $command->add('-size +'. ($size->getTarget() - 1).'c');
                    break;
                case '>':
                    $command->add('-size +'.$size->getTarget().'c');
                    break;
                case '!=':
                    $command->add('-size -'.$size->getTarget().'c');
                    $command->add('-size +'.$size->getTarget().'c');
                case '<':
                default:
                    $command->add('-size -'.$size->getTarget().'c');
            }
        }
    }

    /**
     * @param Command          $command
     * @param DateComparator[] $dates
     */
    private function buildDatesFiltering(Command $command, array $dates)
    {
        foreach ($dates as $i => $date) {
            $command->add($i > 0 ? '-and' : null);

            $mins = (int) round((time()-$date->getTarget()) / 60);

            if (0 > $mins) {
                // mtime is in the future
                $command->add(' -mmin -0');
                // we will have no result so we don't need to continue
                return;
            }

            switch ($date->getOperator()) {
                case '<=':
                    $command->add('-mmin +'.($mins - 1));
                    break;
                case '>=':
                    $command->add('-mmin -'.($mins + 1));
                    break;
                case '>':
                    $command->add('-mmin -'.$mins);
                    break;
                case '!=':
                    $command->add('-mmin +'.$mins.' -or -mmin -'.$mins);
                    break;
                case '<':
                default:
                    $command->add('-mmin +'.$mins);
            }
        }
    }

    /**
     * @param Command $command
     * @param string  $sort
     *
     * @throws \InvalidArgumentException
     */
    private function buildSorting(Command $command, $sort)
    {
        $this->buildFormatSorting($command, $sort);
    }

    /**
     * @param Command $command
     * @param string  $sort
     */
    abstract protected function buildFormatSorting(Command $command, $sort);

    /**
     * @param Command $command
     * @param array   $contains
     * @param Boolean $not
     */
    abstract protected function buildContentFiltering(Command $command, array $contains, $not = false);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Iterator;

/**
 * PHP finder engine implementation.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class PhpAdapter extends AbstractAdapter
{
    /**
     * {@inheritdoc}
     */
    public function searchInDirectory($dir)
    {
        $flags = \RecursiveDirectoryIterator::SKIP_DOTS;

        if ($this->followLinks) {
            $flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
        }

        $iterator = new \RecursiveIteratorIterator(
            new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs),
            \RecursiveIteratorIterator::SELF_FIRST
        );

        if ($this->minDepth > 0 || $this->maxDepth < PHP_INT_MAX) {
            $iterator = new Iterator\DepthRangeFilterIterator($iterator, $this->minDepth, $this->maxDepth);
        }

        if ($this->mode) {
            $iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
        }

        if ($this->exclude) {
            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
        }

        if ($this->names || $this->notNames) {
            $iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
        }

        if ($this->contains || $this->notContains) {
            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
        }

        if ($this->sizes) {
            $iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
        }

        if ($this->dates) {
            $iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
        }

        if ($this->filters) {
            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
        }

        if ($this->sort) {
            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
            $iterator = $iteratorAggregate->getIterator();
        }

        if ($this->paths || $this->notPaths) {
            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
        }

        return $iterator;
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'php';
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
interface AdapterInterface
{
    /**
     * @param Boolean $followLinks
     *
     * @return AdapterInterface Current instance
     */
    public function setFollowLinks($followLinks);

    /**
     * @param integer $mode
     *
     * @return AdapterInterface Current instance
     */
    public function setMode($mode);

    /**
     * @param array $exclude
     *
     * @return AdapterInterface Current instance
     */
    public function setExclude(array $exclude);

    /**
     * @param array $depths
     *
     * @return AdapterInterface Current instance
     */
    public function setDepths(array $depths);

    /**
     * @param array $names
     *
     * @return AdapterInterface Current instance
     */
    public function setNames(array $names);

    /**
     * @param array $notNames
     *
     * @return AdapterInterface Current instance
     */
    public function setNotNames(array $notNames);

    /**
     * @param array $contains
     *
     * @return AdapterInterface Current instance
     */
    public function setContains(array $contains);

    /**
     * @param array $notContains
     *
     * @return AdapterInterface Current instance
     */
    public function setNotContains(array $notContains);

    /**
     * @param array $sizes
     *
     * @return AdapterInterface Current instance
     */
    public function setSizes(array $sizes);

    /**
     * @param array $dates
     *
     * @return AdapterInterface Current instance
     */
    public function setDates(array $dates);

    /**
     * @param array $filters
     *
     * @return AdapterInterface Current instance
     */
    public function setFilters(array $filters);

    /**
     * @param \Closure|integer $sort
     *
     * @return AdapterInterface Current instance
     */
    public function setSort($sort);

    /**
     * @param array $paths
     *
     * @return AdapterInterface Current instance
     */
    public function setPath(array $paths);

    /**
     * @param array $notPaths
     *
     * @return AdapterInterface Current instance
     */
    public function setNotPath(array $notPaths);

    /**
     * @param boolean $ignore
     *
     * @return AdapterInterface Current instance
     */
    public function ignoreUnreadableDirs($ignore = true);

    /**
     * @param string $dir
     *
     * @return \Iterator Result iterator
     */
    public function searchInDirectory($dir);

    /**
     * Tests adapter support for current platform.
     *
     * @return Boolean
     */
    public function isSupported();

    /**
     * Returns adapter name.
     *
     * @return string
     */
    public function getName();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

/**
 * Glob matches globbing patterns against text.
 *
 *   if match_glob("foo.*", "foo.bar") echo "matched\n";
 *
 * // prints foo.bar and foo.baz
 * $regex = glob_to_regex("foo.*");
 * for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
 * {
 *   if (/$regex/) echo "matched: $car\n";
 * }
 *
 * Glob implements glob(3) style matching that can be used to match
 * against text, rather than fetching names from a filesystem.
 *
 * Based on the Perl Text::Glob module.
 *
 * @author Fabien Potencier <fabien@symfony.com> PHP port
 * @author     Richard Clamp <richardc@unixbeard.net> Perl version
 * @copyright  2004-2005 Fabien Potencier <fabien@symfony.com>
 * @copyright  2002 Richard Clamp <richardc@unixbeard.net>
 */
class Glob
{
    /**
     * Returns a regexp which is the equivalent of the glob pattern.
     *
     * @param string  $glob                The glob pattern
     * @param Boolean $strictLeadingDot
     * @param Boolean $strictWildcardSlash
     *
     * @return string regex The regexp
     */
    public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardSlash = true)
    {
        $firstByte = true;
        $escaping = false;
        $inCurlies = 0;
        $regex = '';
        $sizeGlob = strlen($glob);
        for ($i = 0; $i < $sizeGlob; $i++) {
            $car = $glob[$i];
            if ($firstByte) {
                if ($strictLeadingDot && '.' !== $car) {
                    $regex .= '(?=[^\.])';
                }

                $firstByte = false;
            }

            if ('/' === $car) {
                $firstByte = true;
            }

            if ('.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
                $regex .= "\\$car";
            } elseif ('*' === $car) {
                $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');
            } elseif ('?' === $car) {
                $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.');
            } elseif ('{' === $car) {
                $regex .= $escaping ? '\\{' : '(';
                if (!$escaping) {
                    ++$inCurlies;
                }
            } elseif ('}' === $car && $inCurlies) {
                $regex .= $escaping ? '}' : ')';
                if (!$escaping) {
                    --$inCurlies;
                }
            } elseif (',' === $car && $inCurlies) {
                $regex .= $escaping ? ',' : '|';
            } elseif ('\\' === $car) {
                if ($escaping) {
                    $regex .= '\\\\';
                    $escaping = false;
                } else {
                    $escaping = true;
                }

                continue;
            } else {
                $regex .= $car;
            }
            $escaping = false;
        }

        return '#^'.$regex.'$#';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\SplFileInfo;

/**
 * Iterate over shell command result.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class FilePathsIterator extends \ArrayIterator
{
    /**
     * @var string
     */
    private $baseDir;

    /**
     * @var int
     */
    private $baseDirLength;

    /**
     * @var string
     */
    private $subPath;

    /**
     * @var string
     */
    private $subPathname;

    /**
     * @var SplFileInfo
     */
    private $current;

    /**
     * @param array  $paths   List of paths returned by shell command
     * @param string $baseDir Base dir for relative path building
     */
    public function __construct(array $paths, $baseDir)
    {
        $this->baseDir       = $baseDir;
        $this->baseDirLength = strlen($baseDir);

        parent::__construct($paths);
    }

    /**
     * @param string $name
     * @param array  $arguments
     *
     * @return mixed
     */
    public function __call($name, array $arguments)
    {
        return call_user_func_array(array($this->current(), $name), $arguments);
    }

    /**
     * Return an instance of SplFileInfo with support for relative paths.
     *
     * @return SplFileInfo File information
     */
    public function current()
    {
        return $this->current;
    }

    /**
     * @return string
     */
    public function key()
    {
        return $this->current->getPathname();
    }

    public function next()
    {
        parent::next();
        $this->buildProperties();
    }

    public function rewind()
    {
        parent::rewind();
        $this->buildProperties();
    }

    /**
     * @return string
     */
    public function getSubPath()
    {
        return $this->subPath;
    }

    /**
     * @return string
     */
    public function getSubPathname()
    {
        return $this->subPathname;
    }

    private function buildProperties()
    {
        $absolutePath = parent::current();

        if ($this->baseDir === substr($absolutePath, 0, $this->baseDirLength)) {
            $this->subPathname = ltrim(substr($absolutePath, $this->baseDirLength), '/\\');
            $dir = dirname($this->subPathname);
            $this->subPath = '.' === $dir ? '' : $dir;
        } else {
            $this->subPath = $this->subPathname = '';
        }

        $this->current = new SplFileInfo(parent::current(), $this->subPath, $this->subPathname);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * FileTypeFilterIterator only keeps files, directories, or both.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FileTypeFilterIterator extends FilterIterator
{
    const ONLY_FILES       = 1;
    const ONLY_DIRECTORIES = 2;

    private $mode;

    /**
     * Constructor.
     *
     * @param \Iterator $iterator The Iterator to filter
     * @param integer   $mode     The mode (self::ONLY_FILES or self::ONLY_DIRECTORIES)
     */
    public function __construct(\Iterator $iterator, $mode)
    {
        $this->mode = $mode;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();
        if (self::ONLY_DIRECTORIES === (self::ONLY_DIRECTORIES & $this->mode) && $fileinfo->isFile()) {
            return false;
        } elseif (self::ONLY_FILES === (self::ONLY_FILES & $this->mode) && $fileinfo->isDir()) {
            return false;
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * SortableIterator applies a sort on a given Iterator.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SortableIterator implements \IteratorAggregate
{
    const SORT_BY_NAME = 1;
    const SORT_BY_TYPE = 2;
    const SORT_BY_ACCESSED_TIME = 3;
    const SORT_BY_CHANGED_TIME = 4;
    const SORT_BY_MODIFIED_TIME = 5;

    private $iterator;
    private $sort;

    /**
     * Constructor.
     *
     * @param \Traversable     $iterator The Iterator to filter
     * @param integer|callback $sort     The sort type (SORT_BY_NAME, SORT_BY_TYPE, or a PHP callback)
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(\Traversable $iterator, $sort)
    {
        $this->iterator = $iterator;

        if (self::SORT_BY_NAME === $sort) {
            $this->sort = function ($a, $b) {
                return strcmp($a->getRealpath(), $b->getRealpath());
            };
        } elseif (self::SORT_BY_TYPE === $sort) {
            $this->sort = function ($a, $b) {
                if ($a->isDir() && $b->isFile()) {
                    return -1;
                } elseif ($a->isFile() && $b->isDir()) {
                    return 1;
                }

                return strcmp($a->getRealpath(), $b->getRealpath());
            };
        } elseif (self::SORT_BY_ACCESSED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getATime() > $b->getATime());
            };
        } elseif (self::SORT_BY_CHANGED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getCTime() > $b->getCTime());
            };
        } elseif (self::SORT_BY_MODIFIED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getMTime() > $b->getMTime());
            };
        } elseif (is_callable($sort)) {
            $this->sort = $sort;
        } else {
            throw new \InvalidArgumentException('The SortableIterator takes a PHP callback or a valid built-in sort algorithm as an argument.');
        }
    }

    public function getIterator()
    {
        $array = iterator_to_array($this->iterator, true);
        uasort($array, $this->sort);

        return new \ArrayIterator($array);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * This iterator just overrides the rewind method in order to correct a PHP bug.
 *
 * @see https://bugs.php.net/bug.php?id=49104
 *
 * @author Alex Bogomazov
 */
abstract class FilterIterator extends \FilterIterator
{
    /**
     * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
     * rewind in some cases.
     *
     * @see FilterIterator::rewind()
     */
    public function rewind()
    {
        $iterator = $this;
        while ($iterator instanceof \OuterIterator) {
            $innerIterator = $iterator->getInnerIterator();

            if ($innerIterator instanceof RecursiveDirectoryIterator) {
                if ($innerIterator->isRewindable()) {
                    $innerIterator->next();
                    $innerIterator->rewind();
                }
            } elseif ($iterator->getInnerIterator() instanceof \FilesystemIterator) {
                $iterator->getInnerIterator()->next();
                $iterator->getInnerIterator()->rewind();
            }
            $iterator = $iterator->getInnerIterator();
        }

        parent::rewind();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
 *
 * @author Fabien Potencier  <fabien@symfony.com>
 * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
 */
class FilecontentFilterIterator extends MultiplePcreFilterIterator
{
    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        if (!$this->matchRegexps && !$this->noMatchRegexps) {
            return true;
        }

        $fileinfo = $this->current();

        if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
            return false;
        }

        $content = $fileinfo->getContents();
        if (!$content) {
            return false;
        }

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $content)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $content)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts string to regexp if necessary.
     *
     * @param string $str Pattern: string or regexp
     *
     * @return string regexp corresponding to a given string or regexp
     */
    protected function toRegex($str)
    {
        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Comparator\NumberComparator;

/**
 * SizeRangeFilterIterator filters out files that are not in the given size range.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SizeRangeFilterIterator extends FilterIterator
{
    private $comparators = array();

    /**
     * Constructor.
     *
     * @param \Iterator          $iterator    The Iterator to filter
     * @param NumberComparator[] $comparators An array of NumberComparator instances
     */
    public function __construct(\Iterator $iterator, array $comparators)
    {
        $this->comparators = $comparators;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();
        if (!$fileinfo->isFile()) {
            return true;
        }

        $filesize = $fileinfo->getSize();
        foreach ($this->comparators as $compare) {
            if (!$compare->test($filesize)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * ExcludeDirectoryFilterIterator filters out directories.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ExcludeDirectoryFilterIterator extends FilterIterator
{
    private $patterns = array();

    /**
     * Constructor.
     *
     * @param \Iterator $iterator    The Iterator to filter
     * @param array     $directories An array of directories to exclude
     */
    public function __construct(\Iterator $iterator, array $directories)
    {
        foreach ($directories as $directory) {
            $this->patterns[] = '#(^|/)'.preg_quote($directory, '#').'(/|$)#';
        }

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
        $path = strtr($path, '\\', '/');
        foreach ($this->patterns as $pattern) {
            if (preg_match($pattern, $path)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * DepthRangeFilterIterator limits the directory depth.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DepthRangeFilterIterator extends FilterIterator
{
    private $minDepth = 0;

    /**
     * Constructor.
     *
     * @param \RecursiveIteratorIterator $iterator    The Iterator to filter
     * @param int                        $minDepth    The min depth
     * @param int                        $maxDepth    The max depth
     */
    public function __construct(\RecursiveIteratorIterator $iterator, $minDepth = 0, $maxDepth = PHP_INT_MAX)
    {
        $this->minDepth = $minDepth;
        $iterator->setMaxDepth(PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        return $this->getInnerIterator()->getDepth() >= $this->minDepth;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Expression\Expression;

/**
 * MultiplePcreFilterIterator filters files using patterns (regexps, globs or strings).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class MultiplePcreFilterIterator extends FilterIterator
{
    protected $matchRegexps = array();
    protected $noMatchRegexps = array();

    /**
     * Constructor.
     *
     * @param \Iterator $iterator        The Iterator to filter
     * @param array     $matchPatterns   An array of patterns that need to match
     * @param array     $noMatchPatterns An array of patterns that need to not match
     */
    public function __construct(\Iterator $iterator, array $matchPatterns, array $noMatchPatterns)
    {
        foreach ($matchPatterns as $pattern) {
            $this->matchRegexps[] = $this->toRegex($pattern);
        }

        foreach ($noMatchPatterns as $pattern) {
            $this->noMatchRegexps[] = $this->toRegex($pattern);
        }

        parent::__construct($iterator);
    }

    /**
     * Checks whether the string is a regex.
     *
     * @param string $str
     *
     * @return Boolean Whether the given string is a regex
     */
    protected function isRegex($str)
    {
        return Expression::create($str)->isRegex();
    }

    /**
     * Converts string into regexp.
     *
     * @param string $str Pattern
     *
     * @return string regexp corresponding to a given string
     */
    abstract protected function toRegex($str);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Exception\AccessDeniedException;
use Symfony\Component\Finder\SplFileInfo;

/**
 * Extends the \RecursiveDirectoryIterator to support relative paths
 *
 * @author Victor Berchet <victor@suumit.com>
 */
class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
{
    /**
     * @var boolean
     */
    private $ignoreUnreadableDirs;

    /**
     * @var Boolean
     */
    private $rewindable;

    /**
     * Constructor.
     *
     * @param string  $path
     * @param int     $flags
     * @param boolean $ignoreUnreadableDirs
     *
     * @throws \RuntimeException
     */
    public function __construct($path, $flags, $ignoreUnreadableDirs = false)
    {
        if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) {
            throw new \RuntimeException('This iterator only support returning current as fileinfo.');
        }

        parent::__construct($path, $flags);
        $this->ignoreUnreadableDirs = $ignoreUnreadableDirs;
    }

    /**
     * Return an instance of SplFileInfo with support for relative paths
     *
     * @return SplFileInfo File information
     */
    public function current()
    {
        return new SplFileInfo(parent::current()->getPathname(), $this->getSubPath(), $this->getSubPathname());
    }

    /**
     * @return \RecursiveIterator
     *
     * @throws AccessDeniedException
     */
    public function getChildren()
    {
        try {
            return parent::getChildren();
        } catch (\UnexpectedValueException $e) {
            if ($this->ignoreUnreadableDirs) {
                // If directory is unreadable and finder is set to ignore it, a fake empty content is returned.
                return new \RecursiveArrayIterator(array());
            } else {
                throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e);
            }
        }
    }

    /**
     * Do nothing for non rewindable stream
     */
    public function rewind()
    {
        if (false === $this->isRewindable()) {
            return;
        }

        // @see https://bugs.php.net/bug.php?id=49104
        parent::next();

        parent::rewind();
    }

    /**
     * Checks if the stream is rewindable.
     *
     * @return Boolean true when the stream is rewindable, false otherwise
     */
    public function isRewindable()
    {
        if (null !== $this->rewindable) {
            return $this->rewindable;
        }

        if (false !== $stream = @opendir($this->getPath())) {
            $infos = stream_get_meta_data($stream);
            closedir($stream);

            if ($infos['seekable']) {
                return $this->rewindable = true;
            }
        }

        return $this->rewindable = false;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Expression\Expression;

/**
 * FilenameFilterIterator filters files by patterns (a regexp, a glob, or a string).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FilenameFilterIterator extends MultiplePcreFilterIterator
{

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $filename = $this->current()->getFilename();

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $filename)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $filename)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts glob to regexp.
     *
     * PCRE patterns are left unchanged.
     * Glob strings are transformed with Glob::toRegex().
     *
     * @param string $str Pattern: glob or regexp
     *
     * @return string regexp corresponding to a given glob or regexp
     */
    protected function toRegex($str)
    {
        return Expression::create($str)->getRegex()->render();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * CustomFilterIterator filters files by applying anonymous functions.
 *
 * The anonymous function receives a \SplFileInfo and must return false
 * to remove files.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class CustomFilterIterator extends FilterIterator
{
    private $filters = array();

    /**
     * Constructor.
     *
     * @param \Iterator $iterator The Iterator to filter
     * @param array     $filters  An array of PHP callbacks
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(\Iterator $iterator, array $filters)
    {
        foreach ($filters as $filter) {
            if (!is_callable($filter)) {
                throw new \InvalidArgumentException('Invalid PHP callback.');
            }
        }
        $this->filters = $filters;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();

        foreach ($this->filters as $filter) {
            if (false === call_user_func($filter, $fileinfo)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
 *
 * @author Fabien Potencier  <fabien@symfony.com>
 * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
 */
class PathFilterIterator extends MultiplePcreFilterIterator
{

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $filename = $this->current()->getRelativePathname();

        if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
            $filename = strtr($filename, '\\', '/');
        }

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $filename)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $filename)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts strings to regexp.
     *
     * PCRE patterns are left unchanged.
     *
     * Default conversion:
     *     'lorem/ipsum/dolor'  ==>  'lorem\/ipsum\/dolor/'
     *
     * Use only / as directory separator (on Windows also).
     *
     * @param string $str Pattern: regexp or dirname.
     *
     * @return string regexp corresponding to a given string or regexp
     */
    protected function toRegex($str)
    {
        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Comparator\DateComparator;

/**
 * DateRangeFilterIterator filters out files that are not in the given date range (last modified dates).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DateRangeFilterIterator extends FilterIterator
{
    private $comparators = array();

    /**
     * Constructor.
     *
     * @param \Iterator        $iterator    The Iterator to filter
     * @param DateComparator[] $comparators An array of DateComparator instances
     */
    public function __construct(\Iterator $iterator, array $comparators)
    {
        $this->comparators = $comparators;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return Boolean true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();

        if (!$fileinfo->isFile()) {
            return true;
        }

        $filedate = $fileinfo->getMTime();
        foreach ($this->comparators as $compare) {
            if (!$compare->test($filedate)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * NumberComparator compiles a simple comparison to an anonymous
 * subroutine, which you can call with a value to be tested again.
 *
 * Now this would be very pointless, if NumberCompare didn't understand
 * magnitudes.
 *
 * The target value may use magnitudes of kilobytes (k, ki),
 * megabytes (m, mi), or gigabytes (g, gi).  Those suffixed
 * with an i use the appropriate 2**n version in accordance with the
 * IEC standard: http://physics.nist.gov/cuu/Units/binary.html
 *
 * Based on the Perl Number::Compare module.
 *
 * @author    Fabien Potencier <fabien@symfony.com> PHP port
 * @author    Richard Clamp <richardc@unixbeard.net> Perl version
 *
 * @copyright 2004-2005 Fabien Potencier <fabien@symfony.com>
 * @copyright 2002 Richard Clamp <richardc@unixbeard.net>
 *
 * @see       http://physics.nist.gov/cuu/Units/binary.html
 */
class NumberComparator extends Comparator
{
    /**
     * Constructor.
     *
     * @param string $test A comparison string
     *
     * @throws \InvalidArgumentException If the test is not understood
     */
    public function __construct($test)
    {
        if (!preg_match('#^\s*(==|!=|[<>]=?)?\s*([0-9\.]+)\s*([kmg]i?)?\s*$#i', $test, $matches)) {
            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a number test.', $test));
        }

        $target = $matches[2];
        if (!is_numeric($target)) {
            throw new \InvalidArgumentException(sprintf('Invalid number "%s".', $target));
        }
        if (isset($matches[3])) {
            // magnitude
            switch (strtolower($matches[3])) {
                case 'k':
                    $target *= 1000;
                    break;
                case 'ki':
                    $target *= 1024;
                    break;
                case 'm':
                    $target *= 1000000;
                    break;
                case 'mi':
                    $target *= 1024*1024;
                    break;
                case 'g':
                    $target *= 1000000000;
                    break;
                case 'gi':
                    $target *= 1024*1024*1024;
                    break;
            }
        }

        $this->setTarget($target);
        $this->setOperator(isset($matches[1]) ? $matches[1] : '==');
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * Comparator.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Comparator
{
    private $target;
    private $operator = '==';

    /**
     * Gets the target value.
     *
     * @return string The target value
     */
    public function getTarget()
    {
        return $this->target;
    }

    /**
     * Sets the target value.
     *
     * @param string $target The target value
     */
    public function setTarget($target)
    {
        $this->target = $target;
    }

    /**
     * Gets the comparison operator.
     *
     * @return string The operator
     */
    public function getOperator()
    {
        return $this->operator;
    }

    /**
     * Sets the comparison operator.
     *
     * @param string $operator A valid operator
     *
     * @throws \InvalidArgumentException
     */
    public function setOperator($operator)
    {
        if (!$operator) {
            $operator = '==';
        }

        if (!in_array($operator, array('>', '<', '>=', '<=', '==', '!='))) {
            throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
        }

        $this->operator = $operator;
    }

    /**
     * Tests against the target.
     *
     * @param mixed $test A test value
     *
     * @return Boolean
     */
    public function test($test)
    {
        switch ($this->operator) {
            case '>':
                return $test > $this->target;
            case '>=':
                return $test >= $this->target;
            case '<':
                return $test < $this->target;
            case '<=':
                return $test <= $this->target;
            case '!=':
                return $test != $this->target;
        }

        return $test == $this->target;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * DateCompare compiles date comparisons.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DateComparator extends Comparator
{

    /**
     * Constructor.
     *
     * @param string $test A comparison string
     *
     * @throws \InvalidArgumentException If the test is not understood
     */
    public function __construct($test)
    {
        if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) {
            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a date test.', $test));
        }

        try {
            $date = new \DateTime($matches[2]);
            $target = $date->format('U');
        } catch (\Exception $e) {
            throw new \InvalidArgumentException(sprintf('"%s" is not a valid date.', $matches[2]));
        }

        $operator = isset($matches[1]) ? $matches[1] : '==';
        if ('since' === $operator || 'after' === $operator) {
            $operator = '>';
        }

        if ('until' === $operator || 'before' === $operator) {
            $operator = '<';
        }

        $this->setOperator($operator);
        $this->setTarget($target);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Shell;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class Command
{
    /**
     * @var Command|null
     */
    private $parent;

    /**
     * @var array
     */
    private $bits = array();

    /**
     * @var array
     */
    private $labels = array();

    /**
     * @var \Closure|null
     */
    private $errorHandler;

    /**
     * Constructor.
     *
     * @param Command|null $parent Parent command
     */
    public function __construct(Command $parent = null)
    {
        $this->parent = $parent;
    }

    /**
     * Returns command as string.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->join();
    }

    /**
     * Creates a new Command instance.
     *
     * @param Command|null $parent Parent command
     *
     * @return Command New Command instance
     */
    public static function create(Command $parent = null)
    {
        return new self($parent);
    }

    /**
     * Escapes special chars from input.
     *
     * @param string $input A string to escape
     *
     * @return string The escaped string
     */
    public static function escape($input)
    {
        return escapeshellcmd($input);
    }

    /**
     * Quotes input.
     *
     * @param string $input An argument string
     *
     * @return string The quoted string
     */
    public static function quote($input)
    {
        return escapeshellarg($input);
    }

    /**
     * Appends a string or a Command instance.
     *
     * @param string|Command $bit
     *
     * @return Command The current Command instance
     */
    public function add($bit)
    {
        $this->bits[] = $bit;

        return $this;
    }

    /**
     * Prepends a string or a command instance.
     *
     * @param string|Command $bit
     *
     * @return Command The current Command instance
     */
    public function top($bit)
    {
        array_unshift($this->bits, $bit);

        foreach ($this->labels as $label => $index) {
            $this->labels[$label] += 1;
        }

        return $this;
    }

    /**
     * Appends an argument, will be quoted.
     *
     * @param string $arg
     *
     * @return Command The current Command instance
     */
    public function arg($arg)
    {
        $this->bits[] = self::quote($arg);

        return $this;
    }

    /**
     * Appends escaped special command chars.
     *
     * @param string $esc
     *
     * @return Command The current Command instance
     */
    public function cmd($esc)
    {
        $this->bits[] = self::escape($esc);

        return $this;
    }

    /**
     * Inserts a labeled command to feed later.
     *
     * @param string $label The unique label
     *
     * @return Command The current Command instance
     *
     * @throws \RuntimeException If label already exists
     */
    public function ins($label)
    {
        if (isset($this->labels[$label])) {
            throw new \RuntimeException(sprintf('Label "%s" already exists.', $label));
        }

        $this->bits[] = self::create($this);
        $this->labels[$label] = count($this->bits)-1;

        return $this->bits[$this->labels[$label]];
    }

    /**
     * Retrieves a previously labeled command.
     *
     * @param string $label
     *
     * @return Command The labeled command
     *
     * @throws \RuntimeException
     */
    public function get($label)
    {
        if (!isset($this->labels[$label])) {
            throw new \RuntimeException(sprintf('Label "%s" does not exist.', $label));
        }

        return $this->bits[$this->labels[$label]];
    }

    /**
     * Returns parent command (if any).
     *
     * @return Command Parent command
     *
     * @throws \RuntimeException If command has no parent
     */
    public function end()
    {
        if (null === $this->parent) {
            throw new \RuntimeException('Calling end on root command doesn\'t make sense.');
        }

        return $this->parent;
    }

    /**
     * Counts bits stored in command.
     *
     * @return int The bits count
     */
    public function length()
    {
        return count($this->bits);
    }

    /**
     * @param \Closure $errorHandler
     *
     * @return Command
     */
    public function setErrorHandler(\Closure $errorHandler)
    {
        $this->errorHandler = $errorHandler;

        return $this;
    }

    /**
     * @return \Closure|null
     */
    public function getErrorHandler()
    {
        return $this->errorHandler;
    }

    /**
     * Executes current command.
     *
     * @return array The command result
     *
     * @throws \RuntimeException
     */
    public function execute()
    {
        if (null === $this->errorHandler) {
            exec($this->join(), $output);
        } else {
            $process = proc_open($this->join(), array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w')), $pipes);
            $output = preg_split('~(\r\n|\r|\n)~', stream_get_contents($pipes[1]), -1, PREG_SPLIT_NO_EMPTY);

            if ($error = stream_get_contents($pipes[2])) {
                call_user_func($this->errorHandler, $error);
            }

            proc_close($process);
        }

        return $output ?: array();
    }

    /**
     * Joins bits.
     *
     * @return string
     */
    public function join()
    {
        return implode(' ', array_filter(
            array_map(function ($bit) {
                return $bit instanceof Command ? $bit->join() : ($bit ?: null);
            }, $this->bits),
            function ($bit) { return null !== $bit; }
        ));
    }

    /**
     * Insert a string or a Command instance before the bit at given position $index (index starts from 0).
     *
     * @param string|Command $bit
     * @param integer        $index
     *
     * @return Command The current Command instance
     */
    public function addAtIndex($bit, $index)
    {
        array_splice($this->bits, $index, 0, $bit);

        return $this;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Shell;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class Shell
{
    const TYPE_UNIX    = 1;
    const TYPE_DARWIN  = 2;
    const TYPE_CYGWIN  = 3;
    const TYPE_WINDOWS = 4;
    const TYPE_BSD     = 5;

    /**
     * @var string|null
     */
    private $type;

    /**
     * Returns guessed OS type.
     *
     * @return int
     */
    public function getType()
    {
        if (null === $this->type) {
            $this->type = $this->guessType();
        }

        return $this->type;
    }

    /**
     * Tests if a command is available.
     *
     * @param string $command
     *
     * @return bool
     */
    public function testCommand($command)
    {
        if (self::TYPE_WINDOWS === $this->type) {
            // todo: find a way to test if Windows command exists
            return false;
        }

        if (!function_exists('exec')) {
            return false;
        }

        // todo: find a better way (command could not be available)
        exec('command -v '.$command, $output, $code);

        return 0 === $code && count($output) > 0;
    }

    /**
     * Guesses OS type.
     *
     * @return int
     */
    private function guessType()
    {
        $os = strtolower(PHP_OS);

        if (false !== strpos($os, 'cygwin')) {
            return self::TYPE_CYGWIN;
        }

        if (false !== strpos($os, 'darwin')) {
            return self::TYPE_DARWIN;
        }

        if (false !== strpos($os, 'bsd')) {
            return self::TYPE_BSD;
        }

        if (0 === strpos($os, 'win')) {
            return self::TYPE_WINDOWS;
        }

        return self::TYPE_UNIX;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class OperationNotPermitedException extends AdapterFailureException
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

use Symfony\Component\Finder\Adapter\AdapterInterface;

/**
 * Base exception for all adapter failures.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class AdapterFailureException extends \RuntimeException implements ExceptionInterface
{
    /**
     * @var \Symfony\Component\Finder\Adapter\AdapterInterface
     */
    private $adapter;

    /**
     * @param AdapterInterface $adapter
     * @param string|null      $message
     * @param \Exception|null  $previous
     */
    public function __construct(AdapterInterface $adapter, $message = null, \Exception $previous = null)
    {
        $this->adapter = $adapter;
        parent::__construct($message ?: 'Search failed with "'.$adapter->getName().'" adapter.', $previous);
    }

    /**
     * {@inheritdoc}
     */
    public function getAdapter()
    {
        return $this->adapter;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 */
class AccessDeniedException extends \UnexpectedValueException
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
interface ExceptionInterface
{
    /**
     * @return \Symfony\Component\Finder\Adapter\AdapterInterface
     */
    public function getAdapter();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

use Symfony\Component\Finder\Adapter\AdapterInterface;
use Symfony\Component\Finder\Shell\Command;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class ShellCommandFailureException extends AdapterFailureException
{
    /**
     * @var Command
     */
    private $command;

    /**
     * @param AdapterInterface $adapter
     * @param Command          $command
     * @param \Exception|null  $previous
     */
    public function __construct(AdapterInterface $adapter, Command $command, \Exception $previous = null)
    {
        $this->command = $command;
        parent::__construct($adapter, 'Shell command failed: "'.$command->join().'".', $previous);
    }

    /**
     * @return Command
     */
    public function getCommand()
    {
        return $this->command;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

use Symfony\Component\Finder\Adapter\AdapterInterface;
use Symfony\Component\Finder\Adapter\GnuFindAdapter;
use Symfony\Component\Finder\Adapter\BsdFindAdapter;
use Symfony\Component\Finder\Adapter\PhpAdapter;
use Symfony\Component\Finder\Exception\ExceptionInterface;

/**
 * Finder allows to build rules to find files and directories.
 *
 * It is a thin wrapper around several specialized iterator classes.
 *
 * All rules may be invoked several times.
 *
 * All methods return the current Finder object to allow easy chaining:
 *
 * $finder = Finder::create()->files()->name('*.php')->in(__DIR__);
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class Finder implements \IteratorAggregate, \Countable
{
    const IGNORE_VCS_FILES = 1;
    const IGNORE_DOT_FILES = 2;

    private $mode        = 0;
    private $names       = array();
    private $notNames    = array();
    private $exclude     = array();
    private $filters     = array();
    private $depths      = array();
    private $sizes       = array();
    private $followLinks = false;
    private $sort        = false;
    private $ignore      = 0;
    private $dirs        = array();
    private $dates       = array();
    private $iterators   = array();
    private $contains    = array();
    private $notContains = array();
    private $adapters    = array();
    private $paths       = array();
    private $notPaths    = array();
    private $ignoreUnreadableDirs = false;

    private static $vcsPatterns = array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg');

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->ignore = static::IGNORE_VCS_FILES | static::IGNORE_DOT_FILES;

        $this
            ->addAdapter(new GnuFindAdapter())
            ->addAdapter(new BsdFindAdapter())
            ->addAdapter(new PhpAdapter(), -50)
            ->setAdapter('php')
        ;
    }

    /**
     * Creates a new Finder.
     *
     * @return Finder A new Finder instance
     *
     * @api
     */
    public static function create()
    {
        return new static();
    }

    /**
     * Registers a finder engine implementation.
     *
     * @param AdapterInterface $adapter  An adapter instance
     * @param integer          $priority Highest is selected first
     *
     * @return Finder The current Finder instance
     */
    public function addAdapter(Adapter\AdapterInterface $adapter, $priority = 0)
    {
        $this->adapters[$adapter->getName()] = array(
            'adapter'  => $adapter,
            'priority' => $priority,
            'selected' => false,
        );

        return $this->sortAdapters();
    }

    /**
     * Sets the selected adapter to the best one according to the current platform the code is run on.
     *
     * @return Finder The current Finder instance
     */
    public function useBestAdapter()
    {
        $this->resetAdapterSelection();

        return $this->sortAdapters();
    }

    /**
     * Selects the adapter to use.
     *
     * @param string $name
     *
     * @throws \InvalidArgumentException
     *
     * @return Finder The current Finder instance
     */
    public function setAdapter($name)
    {
        if (!isset($this->adapters[$name])) {
            throw new \InvalidArgumentException(sprintf('Adapter "%s" does not exist.', $name));
        }

        $this->resetAdapterSelection();
        $this->adapters[$name]['selected'] = true;

        return $this->sortAdapters();
    }

    /**
     * Removes all adapters registered in the finder.
     *
     * @return Finder The current Finder instance
     */
    public function removeAdapters()
    {
        $this->adapters = array();

        return $this;
    }

    /**
     * Returns registered adapters ordered by priority without extra information.
     *
     * @return AdapterInterface[]
     */
    public function getAdapters()
    {
        return array_values(array_map(function (array $adapter) {
            return $adapter['adapter'];
        }, $this->adapters));
    }

    /**
     * Restricts the matching to directories only.
     *
     * @return Finder The current Finder instance
     *
     * @api
     */
    public function directories()
    {
        $this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;

        return $this;
    }

    /**
     * Restricts the matching to files only.
     *
     * @return Finder The current Finder instance
     *
     * @api
     */
    public function files()
    {
        $this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;

        return $this;
    }

    /**
     * Adds tests for the directory depth.
     *
     * Usage:
     *
     *   $finder->depth('> 1') // the Finder will start matching at level 1.
     *   $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
     *
     * @param int $level The depth level expression
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\DepthRangeFilterIterator
     * @see Symfony\Component\Finder\Comparator\NumberComparator
     *
     * @api
     */
    public function depth($level)
    {
        $this->depths[] = new Comparator\NumberComparator($level);

        return $this;
    }

    /**
     * Adds tests for file dates (last modified).
     *
     * The date must be something that strtotime() is able to parse:
     *
     *   $finder->date('since yesterday');
     *   $finder->date('until 2 days ago');
     *   $finder->date('> now - 2 hours');
     *   $finder->date('>= 2005-10-15');
     *
     * @param string $date A date rage string
     *
     * @return Finder The current Finder instance
     *
     * @see strtotime
     * @see Symfony\Component\Finder\Iterator\DateRangeFilterIterator
     * @see Symfony\Component\Finder\Comparator\DateComparator
     *
     * @api
     */
    public function date($date)
    {
        $this->dates[] = new Comparator\DateComparator($date);

        return $this;
    }

    /**
     * Adds rules that files must match.
     *
     * You can use patterns (delimited with / sign), globs or simple strings.
     *
     * $finder->name('*.php')
     * $finder->name('/\.php$/') // same as above
     * $finder->name('test.php')
     *
     * @param string $pattern A pattern (a regexp, a glob, or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilenameFilterIterator
     *
     * @api
     */
    public function name($pattern)
    {
        $this->names[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that files must not match.
     *
     * @param string $pattern A pattern (a regexp, a glob, or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilenameFilterIterator
     *
     * @api
     */
    public function notName($pattern)
    {
        $this->notNames[] = $pattern;

        return $this;
    }

    /**
     * Adds tests that file contents must match.
     *
     * Strings or PCRE patterns can be used:
     *
     * $finder->contains('Lorem ipsum')
     * $finder->contains('/Lorem ipsum/i')
     *
     * @param string $pattern A pattern (string or regexp)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilecontentFilterIterator
     */
    public function contains($pattern)
    {
        $this->contains[] = $pattern;

        return $this;
    }

    /**
     * Adds tests that file contents must not match.
     *
     * Strings or PCRE patterns can be used:
     *
     * $finder->notContains('Lorem ipsum')
     * $finder->notContains('/Lorem ipsum/i')
     *
     * @param string $pattern A pattern (string or regexp)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilecontentFilterIterator
     */
    public function notContains($pattern)
    {
        $this->notContains[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that filenames must match.
     *
     * You can use patterns (delimited with / sign) or simple strings.
     *
     * $finder->path('some/special/dir')
     * $finder->path('/some\/special\/dir/') // same as above
     *
     * Use only / as dirname separator.
     *
     * @param string $pattern A pattern (a regexp or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilenameFilterIterator
     */
    public function path($pattern)
    {
        $this->paths[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that filenames must not match.
     *
     * You can use patterns (delimited with / sign) or simple strings.
     *
     * $finder->notPath('some/special/dir')
     * $finder->notPath('/some\/special\/dir/') // same as above
     *
     * Use only / as dirname separator.
     *
     * @param string $pattern A pattern (a regexp or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\FilenameFilterIterator
     */
    public function notPath($pattern)
    {
        $this->notPaths[] = $pattern;

        return $this;
    }

    /**
     * Adds tests for file sizes.
     *
     * $finder->size('> 10K');
     * $finder->size('<= 1Ki');
     * $finder->size(4);
     *
     * @param string $size A size range string
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SizeRangeFilterIterator
     * @see Symfony\Component\Finder\Comparator\NumberComparator
     *
     * @api
     */
    public function size($size)
    {
        $this->sizes[] = new Comparator\NumberComparator($size);

        return $this;
    }

    /**
     * Excludes directories.
     *
     * @param string|array $dirs A directory path or an array of directories
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator
     *
     * @api
     */
    public function exclude($dirs)
    {
        $this->exclude = array_merge($this->exclude, (array) $dirs);

        return $this;
    }

    /**
     * Excludes "hidden" directories and files (starting with a dot).
     *
     * @param Boolean $ignoreDotFiles Whether to exclude "hidden" files or not
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator
     *
     * @api
     */
    public function ignoreDotFiles($ignoreDotFiles)
    {
        if ($ignoreDotFiles) {
            $this->ignore = $this->ignore | static::IGNORE_DOT_FILES;
        } else {
            $this->ignore = $this->ignore & ~static::IGNORE_DOT_FILES;
        }

        return $this;
    }

    /**
     * Forces the finder to ignore version control directories.
     *
     * @param Boolean $ignoreVCS Whether to exclude VCS files or not
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator
     *
     * @api
     */
    public function ignoreVCS($ignoreVCS)
    {
        if ($ignoreVCS) {
            $this->ignore = $this->ignore | static::IGNORE_VCS_FILES;
        } else {
            $this->ignore = $this->ignore & ~static::IGNORE_VCS_FILES;
        }

        return $this;
    }

    /**
     * Adds VCS patterns.
     *
     * @see ignoreVCS
     *
     * @param string|string[] $pattern VCS patterns to ignore
     */
    public static function addVCSPattern($pattern)
    {
        foreach ((array) $pattern as $p) {
            self::$vcsPatterns[] = $p;
        }

        self::$vcsPatterns = array_unique(self::$vcsPatterns);
    }

    /**
     * Sorts files and directories by an anonymous function.
     *
     * The anonymous function receives two \SplFileInfo instances to compare.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @param \Closure $closure An anonymous function
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sort(\Closure $closure)
    {
        $this->sort = $closure;

        return $this;
    }

    /**
     * Sorts files and directories by name.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sortByName()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_NAME;

        return $this;
    }

    /**
     * Sorts files and directories by type (directories before files), then by name.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sortByType()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_TYPE;

        return $this;
    }

    /**
     * Sorts files and directories by the last accessed time.
     *
     * This is the time that the file was last accessed, read or written to.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sortByAccessedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_ACCESSED_TIME;

        return $this;
    }

    /**
     * Sorts files and directories by the last inode changed time.
     *
     * This is the time that the inode information was last modified (permissions, owner, group or other metadata).
     *
     * On Windows, since inode is not available, changed time is actually the file creation time.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sortByChangedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_CHANGED_TIME;

        return $this;
    }

    /**
     * Sorts files and directories by the last modified time.
     *
     * This is the last time the actual contents of the file were last modified.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\SortableIterator
     *
     * @api
     */
    public function sortByModifiedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_MODIFIED_TIME;

        return $this;
    }

    /**
     * Filters the iterator with an anonymous function.
     *
     * The anonymous function receives a \SplFileInfo and must return false
     * to remove files.
     *
     * @param \Closure $closure An anonymous function
     *
     * @return Finder The current Finder instance
     *
     * @see Symfony\Component\Finder\Iterator\CustomFilterIterator
     *
     * @api
     */
    public function filter(\Closure $closure)
    {
        $this->filters[] = $closure;

        return $this;
    }

    /**
     * Forces the following of symlinks.
     *
     * @return Finder The current Finder instance
     *
     * @api
     */
    public function followLinks()
    {
        $this->followLinks = true;

        return $this;
    }

    /**
     * Tells finder to ignore unreadable directories.
     *
     * By default, scanning unreadable directories content throws an AccessDeniedException.
     *
     * @param boolean $ignore
     *
     * @return Finder The current Finder instance
     */
    public function ignoreUnreadableDirs($ignore = true)
    {
        $this->ignoreUnreadableDirs = (Boolean) $ignore;

        return $this;
    }

    /**
     * Searches files and directories which match defined rules.
     *
     * @param string|array $dirs A directory path or an array of directories
     *
     * @return Finder The current Finder instance
     *
     * @throws \InvalidArgumentException if one of the directories does not exist
     *
     * @api
     */
    public function in($dirs)
    {
        $resolvedDirs = array();

        foreach ((array) $dirs as $dir) {
            if (is_dir($dir)) {
                $resolvedDirs[] = $dir;
            } elseif ($glob = glob($dir, GLOB_ONLYDIR)) {
                $resolvedDirs = array_merge($resolvedDirs, $glob);
            } else {
                throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
            }
        }

        $this->dirs = array_merge($this->dirs, $resolvedDirs);

        return $this;
    }

    /**
     * Returns an Iterator for the current Finder configuration.
     *
     * This method implements the IteratorAggregate interface.
     *
     * @return \Iterator An iterator
     *
     * @throws \LogicException if the in() method has not been called
     */
    public function getIterator()
    {
        if (0 === count($this->dirs) && 0 === count($this->iterators)) {
            throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
        }

        if (1 === count($this->dirs) && 0 === count($this->iterators)) {
            return $this->searchInDirectory($this->dirs[0]);
        }

        $iterator = new \AppendIterator();
        foreach ($this->dirs as $dir) {
            $iterator->append($this->searchInDirectory($dir));
        }

        foreach ($this->iterators as $it) {
            $iterator->append($it);
        }

        return $iterator;
    }

    /**
     * Appends an existing set of files/directories to the finder.
     *
     * The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
     *
     * @param mixed $iterator
     *
     * @return Finder The finder
     *
     * @throws \InvalidArgumentException When the given argument is not iterable.
     */
    public function append($iterator)
    {
        if ($iterator instanceof \IteratorAggregate) {
            $this->iterators[] = $iterator->getIterator();
        } elseif ($iterator instanceof \Iterator) {
            $this->iterators[] = $iterator;
        } elseif ($iterator instanceof \Traversable || is_array($iterator)) {
            $it = new \ArrayIterator();
            foreach ($iterator as $file) {
                $it->append($file instanceof \SplFileInfo ? $file : new \SplFileInfo($file));
            }
            $this->iterators[] = $it;
        } else {
            throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
        }

        return $this;
    }

    /**
     * Counts all the results collected by the iterators.
     *
     * @return int
     */
    public function count()
    {
        return iterator_count($this->getIterator());
    }

    /**
     * @return Finder The current Finder instance
     */
    private function sortAdapters()
    {
        uasort($this->adapters, function (array $a, array $b) {
            if ($a['selected'] || $b['selected']) {
                return $a['selected'] ? -1 : 1;
            }

            return $a['priority'] > $b['priority'] ? -1 : 1;
        });

        return $this;
    }

    /**
     * @param $dir
     *
     * @return \Iterator
     *
     * @throws \RuntimeException When none of the adapters are supported
     */
    private function searchInDirectory($dir)
    {
        if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
            $this->exclude = array_merge($this->exclude, self::$vcsPatterns);
        }

        if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
            $this->notPaths[] = '#(^|/)\..+(/|$)#';
        }

        foreach ($this->adapters as $adapter) {
            if ($adapter['adapter']->isSupported()) {
                try {
                    return $this
                        ->buildAdapter($adapter['adapter'])
                        ->searchInDirectory($dir);
                } catch (ExceptionInterface $e) {}
            }
        }

        throw new \RuntimeException('No supported adapter found.');
    }

    /**
     * @param AdapterInterface $adapter
     *
     * @return AdapterInterface
     */
    private function buildAdapter(AdapterInterface $adapter)
    {
        return $adapter
            ->setFollowLinks($this->followLinks)
            ->setDepths($this->depths)
            ->setMode($this->mode)
            ->setExclude($this->exclude)
            ->setNames($this->names)
            ->setNotNames($this->notNames)
            ->setContains($this->contains)
            ->setNotContains($this->notContains)
            ->setSizes($this->sizes)
            ->setDates($this->dates)
            ->setFilters($this->filters)
            ->setSort($this->sort)
            ->setPath($this->paths)
            ->setNotPath($this->notPaths)
            ->ignoreUnreadableDirs($this->ignoreUnreadableDirs);
    }

    /**
     * Unselects all adapters.
     */
    private function resetAdapterSelection()
    {
        $this->adapters = array_map(function (array $properties) {
            $properties['selected'] = false;

            return $properties;
        }, $this->adapters);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

/**
 * Extends \SplFileInfo to support relative paths
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SplFileInfo extends \SplFileInfo
{
    private $relativePath;
    private $relativePathname;

    /**
     * Constructor
     *
     * @param string $file             The file name
     * @param string $relativePath     The relative path
     * @param string $relativePathname The relative path name
     */
    public function __construct($file, $relativePath, $relativePathname)
    {
        parent::__construct($file);
        $this->relativePath = $relativePath;
        $this->relativePathname = $relativePathname;
    }

    /**
     * Returns the relative path
     *
     * @return string the relative path
     */
    public function getRelativePath()
    {
        return $this->relativePath;
    }

    /**
     * Returns the relative path name
     *
     * @return string the relative path name
     */
    public function getRelativePathname()
    {
        return $this->relativePathname;
    }

    /**
     * Returns the contents of the file
     *
     * @return string the contents of the file
     *
     * @throws \RuntimeException
     */
    public function getContents()
    {
        $level = error_reporting(0);
        $content = file_get_contents($this->getPathname());
        error_reporting($level);
        if (false === $content) {
            $error = error_get_last();
            throw new \RuntimeException($error['message']);
        }

        return $content;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
interface ValueInterface
{
    /**
     * Renders string representation of expression.
     *
     * @return string
     */
    public function render();

    /**
     * Renders string representation of pattern.
     *
     * @return string
     */
    public function renderPattern();

    /**
     * Returns value case sensitivity.
     *
     * @return bool
     */
    public function isCaseSensitive();

    /**
     * Returns expression type.
     *
     * @return int
     */
    public function getType();

    /**
     * @param string $expr
     *
     * @return ValueInterface
     */
    public function prepend($expr);

    /**
     * @param string $expr
     *
     * @return ValueInterface
     */
    public function append($expr);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class Glob implements ValueInterface
{
    /**
     * @var string
     */
    private $pattern;

    /**
     * @param string $pattern
     */
    public function __construct($pattern)
    {
        $this->pattern = $pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return $this->pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return $this->pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function getType()
    {
        return Expression::TYPE_GLOB;
    }

    /**
     * {@inheritdoc}
     */
    public function isCaseSensitive()
    {
        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->pattern = $expr.$this->pattern;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->pattern .= $expr;

        return $this;
    }

    /**
     * Tests if glob is expandable ("*.{a,b}" syntax).
     *
     * @return bool
     */
    public function isExpandable()
    {
        return false !== strpos($this->pattern, '{')
            && false !== strpos($this->pattern, '}');
    }

    /**
     * @param bool $strictLeadingDot
     * @param bool $strictWildcardSlash
     *
     * @return Regex
     */
    public function toRegex($strictLeadingDot = true, $strictWildcardSlash = true)
    {
        $firstByte = true;
        $escaping = false;
        $inCurlies = 0;
        $regex = '';
        $sizeGlob = strlen($this->pattern);
        for ($i = 0; $i < $sizeGlob; $i++) {
            $car = $this->pattern[$i];
            if ($firstByte) {
                if ($strictLeadingDot && '.' !== $car) {
                    $regex .= '(?=[^\.])';
                }

                $firstByte = false;
            }

            if ('/' === $car) {
                $firstByte = true;
            }

            if ('.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
                $regex .= "\\$car";
            } elseif ('*' === $car) {
                $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');
            } elseif ('?' === $car) {
                $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.');
            } elseif ('{' === $car) {
                $regex .= $escaping ? '\\{' : '(';
                if (!$escaping) {
                    ++$inCurlies;
                }
            } elseif ('}' === $car && $inCurlies) {
                $regex .= $escaping ? '}' : ')';
                if (!$escaping) {
                    --$inCurlies;
                }
            } elseif (',' === $car && $inCurlies) {
                $regex .= $escaping ? ',' : '|';
            } elseif ('\\' === $car) {
                if ($escaping) {
                    $regex .= '\\\\';
                    $escaping = false;
                } else {
                    $escaping = true;
                }

                continue;
            } else {
                $regex .= $car;
            }
            $escaping = false;
        }

        return new Regex('^'.$regex.'$');
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class Expression implements ValueInterface
{
    const TYPE_REGEX = 1;
    const TYPE_GLOB  = 2;

    /**
     * @var ValueInterface
     */
    private $value;

    /**
     * @param string $expr
     *
     * @return Expression
     */
    public static function create($expr)
    {
        return new self($expr);
    }

    /**
     * @param string $expr
     */
    public function __construct($expr)
    {
        try {
            $this->value = Regex::create($expr);
        } catch (\InvalidArgumentException $e) {
            $this->value = new Glob($expr);
        }
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->render();
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return $this->value->render();
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return $this->value->renderPattern();
    }

    /**
     * @return bool
     */
    public function isCaseSensitive()
    {
        return $this->value->isCaseSensitive();
    }

    /**
     * @return int
     */
    public function getType()
    {
        return $this->value->getType();
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->value->prepend($expr);

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->value->append($expr);

        return $this;
    }

    /**
     * @return bool
     */
    public function isRegex()
    {
        return self::TYPE_REGEX === $this->value->getType();
    }

    /**
     * @return bool
     */
    public function isGlob()
    {
        return self::TYPE_GLOB === $this->value->getType();
    }

    /**
     * @throws \LogicException
     *
     * @return Glob
     */
    public function getGlob()
    {
        if (self::TYPE_GLOB !== $this->value->getType()) {
            throw new \LogicException('Regex can\'t be transformed to glob.');
        }

        return $this->value;
    }

    /**
     * @return Regex
     */
    public function getRegex()
    {
        return self::TYPE_REGEX === $this->value->getType() ? $this->value : $this->value->toRegex();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class Regex implements ValueInterface
{
    const START_FLAG = '^';
    const END_FLAG   = '$';
    const BOUNDARY   = '~';
    const JOKER      = '.*';
    const ESCAPING   = '\\';

    /**
     * @var string
     */
    private $pattern;

    /**
     * @var array
     */
    private $options;

    /**
     * @var bool
     */
    private $startFlag;

    /**
     * @var bool
     */
    private $endFlag;

    /**
     * @var bool
     */
    private $startJoker;

    /**
     * @var bool
     */
    private $endJoker;

    /**
     * @param string $expr
     *
     * @return Regex
     *
     * @throws \InvalidArgumentException
     */
    public static function create($expr)
    {
        if (preg_match('/^(.{3,}?)([imsxuADU]*)$/', $expr, $m)) {
            $start = substr($m[1], 0, 1);
            $end   = substr($m[1], -1);

            if (
                ($start === $end && !preg_match('/[*?[:alnum:] \\\\]/', $start))
                || ($start === '{' && $end === '}')
                || ($start === '(' && $end === ')')
            ) {
                return new self(substr($m[1], 1, -1), $m[2], $end);
            }
        }

        throw new \InvalidArgumentException('Given expression is not a regex.');
    }

    /**
     * @param string $pattern
     * @param string $options
     * @param string $delimiter
     */
    public function __construct($pattern, $options = '', $delimiter = null)
    {
        if (null !== $delimiter) {
            // removes delimiter escaping
            $pattern = str_replace('\\'.$delimiter, $delimiter, $pattern);
        }

        $this->parsePattern($pattern);
        $this->options = $options;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->render();
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return self::BOUNDARY
            .$this->renderPattern()
            .self::BOUNDARY
            .$this->options;
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return ($this->startFlag ? self::START_FLAG : '')
            .($this->startJoker ? self::JOKER : '')
            .str_replace(self::BOUNDARY, '\\'.self::BOUNDARY, $this->pattern)
            .($this->endJoker ? self::JOKER : '')
            .($this->endFlag ? self::END_FLAG : '');
    }

    /**
     * {@inheritdoc}
     */
    public function isCaseSensitive()
    {
        return !$this->hasOption('i');
    }

    /**
     * {@inheritdoc}
     */
    public function getType()
    {
        return Expression::TYPE_REGEX;
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->pattern = $expr.$this->pattern;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->pattern .= $expr;

        return $this;
    }

    /**
     * @param string $option
     *
     * @return bool
     */
    public function hasOption($option)
    {
        return false !== strpos($this->options, $option);
    }

    /**
     * @param string $option
     *
     * @return Regex
     */
    public function addOption($option)
    {
        if (!$this->hasOption($option)) {
            $this->options.= $option;
        }

        return $this;
    }

    /**
     * @param string $option
     *
     * @return Regex
     */
    public function removeOption($option)
    {
        $this->options = str_replace($option, '', $this->options);

        return $this;
    }

    /**
     * @param bool $startFlag
     *
     * @return Regex
     */
    public function setStartFlag($startFlag)
    {
        $this->startFlag = $startFlag;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasStartFlag()
    {
        return $this->startFlag;
    }

    /**
     * @param bool $endFlag
     *
     * @return Regex
     */
    public function setEndFlag($endFlag)
    {
        $this->endFlag = (bool) $endFlag;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasEndFlag()
    {
        return $this->endFlag;
    }

    /**
     * @param bool $startJoker
     *
     * @return Regex
     */
    public function setStartJoker($startJoker)
    {
        $this->startJoker = $startJoker;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasStartJoker()
    {
        return $this->startJoker;
    }

    /**
     * @param bool $endJoker
     *
     * @return Regex
     */
    public function setEndJoker($endJoker)
    {
        $this->endJoker = (bool) $endJoker;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasEndJoker()
    {
        return $this->endJoker;
    }

    /**
     * @param array $replacement
     *
     * @return Regex
     */
    public function replaceJokers($replacement)
    {
        $replace = function ($subject) use ($replacement) {
            $subject = $subject[0];
            $replace = 0 === substr_count($subject, '\\') % 2;

            return $replace ? str_replace('.', $replacement, $subject) : $subject;
        };

        $this->pattern = preg_replace_callback('~[\\\\]*\\.~', $replace, $this->pattern);

        return $this;
    }

    /**
     * @param string $pattern
     */
    private function parsePattern($pattern)
    {
        if ($this->startFlag = self::START_FLAG === substr($pattern, 0, 1)) {
            $pattern = substr($pattern, 1);
        }

        if ($this->startJoker = self::JOKER === substr($pattern, 0, 2)) {
            $pattern = substr($pattern, 2);
        }

        if ($this->endFlag = (self::END_FLAG === substr($pattern, -1) && self::ESCAPING !== substr($pattern, -2, -1))) {
            $pattern = substr($pattern, 0, -1);
        }

        if ($this->endJoker = (self::JOKER === substr($pattern, -2) && self::ESCAPING !== substr($pattern, -3, -2))) {
            $pattern = substr($pattern, 0, -2);
        }

        $this->pattern = $pattern;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

use Symfony\Component\Yaml\Exception\ParseException;

/**
 * Yaml offers convenience methods to load and dump YAML.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class Yaml
{
    /**
     * Parses YAML into a PHP array.
     *
     * The parse method, when supplied with a YAML stream (string or file),
     * will do its best to convert YAML in a file into a PHP array.
     *
     *  Usage:
     *  <code>
     *   $array = Yaml::parse('config.yml');
     *   print_r($array);
     *  </code>
     *
     * As this method accepts both plain strings and file names as an input,
     * you must validate the input before calling this method. Passing a file
     * as an input is a deprecated feature and will be removed in 3.0.
     *
     * @param string  $input                  Path to a YAML file or a string containing YAML
     * @param Boolean $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
     * @param Boolean $objectSupport          True if object support is enabled, false otherwise
     *
     * @return array The YAML converted to a PHP array
     *
     * @throws ParseException If the YAML is not valid
     *
     * @api
     */
    public static function parse($input, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        // if input is a file, process it
        $file = '';
        if (strpos($input, "\n") === false && is_file($input)) {
            if (false === is_readable($input)) {
                throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input));
            }

            $file = $input;
            $input = file_get_contents($file);
        }

        $yaml = new Parser();

        try {
            return $yaml->parse($input, $exceptionOnInvalidType, $objectSupport);
        } catch (ParseException $e) {
            if ($file) {
                $e->setParsedFile($file);
            }

            throw $e;
        }
    }

    /**
     * Dumps a PHP array to a YAML string.
     *
     * The dump method, when supplied with an array, will do its best
     * to convert the array into friendly YAML.
     *
     * @param array   $array                  PHP array
     * @param integer $inline                 The level where you switch to inline YAML
     * @param integer $indent                 The amount of spaces to use for indentation of nested nodes.
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return string A YAML string representing the original PHP array
     *
     * @api
     */
    public static function dump($array, $inline = 2, $indent = 4, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        $yaml = new Dumper();
        $yaml->setIndentation($indent);

        return $yaml->dump($array, $inline, 0, $exceptionOnInvalidType, $objectSupport);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

/**
 * Escaper encapsulates escaping rules for single and double-quoted
 * YAML strings.
 *
 * @author Matthew Lewinski <matthew@lewinski.org>
 */
class Escaper
{
    // Characters that would cause a dumped string to require double quoting.
    const REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";

    // Mapping arrays for escaping a double quoted string. The backslash is
    // first to ensure proper escaping because str_replace operates iteratively
    // on the input arrays. This ordering of the characters avoids the use of strtr,
    // which performs more slowly.
    private static $escapees = array('\\\\', '\\"', '"',
                                     "\x00",  "\x01",  "\x02",  "\x03",  "\x04",  "\x05",  "\x06",  "\x07",
                                     "\x08",  "\x09",  "\x0a",  "\x0b",  "\x0c",  "\x0d",  "\x0e",  "\x0f",
                                     "\x10",  "\x11",  "\x12",  "\x13",  "\x14",  "\x15",  "\x16",  "\x17",
                                     "\x18",  "\x19",  "\x1a",  "\x1b",  "\x1c",  "\x1d",  "\x1e",  "\x1f",
                                     "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9");
    private static $escaped  = array('\\"', '\\\\', '\\"',
                                     "\\0",   "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\a",
                                     "\\b",   "\\t",   "\\n",   "\\v",   "\\f",   "\\r",   "\\x0e", "\\x0f",
                                     "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17",
                                     "\\x18", "\\x19", "\\x1a", "\\e",   "\\x1c", "\\x1d", "\\x1e", "\\x1f",
                                     "\\N", "\\_", "\\L", "\\P");

    /**
     * Determines if a PHP value would require double quoting in YAML.
     *
     * @param string $value A PHP value
     *
     * @return Boolean True if the value would require double quotes.
     */
    public static function requiresDoubleQuoting($value)
    {
        return preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value);
    }

    /**
     * Escapes and surrounds a PHP value with double quotes.
     *
     * @param string $value A PHP value
     *
     * @return string The quoted, escaped string
     */
    public static function escapeWithDoubleQuotes($value)
    {
        return sprintf('"%s"', str_replace(self::$escapees, self::$escaped, $value));
    }

    /**
     * Determines if a PHP value would require single quoting in YAML.
     *
     * @param string $value A PHP value
     *
     * @return Boolean True if the value would require single quotes.
     */
    public static function requiresSingleQuoting($value)
    {
        return preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value);
    }

    /**
     * Escapes and surrounds a PHP value with single quotes.
     *
     * @param string $value A PHP value
     *
     * @return string The quoted, escaped string
     */
    public static function escapeWithSingleQuotes($value)
    {
        return sprintf("'%s'", str_replace('\'', '\'\'', $value));
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

use Symfony\Component\Yaml\Exception\ParseException;

/**
 * Parser parses YAML strings to convert them to PHP arrays.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Parser
{
    const FOLDED_SCALAR_PATTERN = '(?P<separator>\||>)(?P<modifiers>\+|\-|\d+|\+\d+|\-\d+|\d+\+|\d+\-)?(?P<comments> +#.*)?';

    private $offset         = 0;
    private $lines          = array();
    private $currentLineNb  = -1;
    private $currentLine    = '';
    private $refs           = array();

    /**
     * Constructor
     *
     * @param integer $offset The offset of YAML document (used for line numbers in error messages)
     */
    public function __construct($offset = 0)
    {
        $this->offset = $offset;
    }

    /**
     * Parses a YAML string to a PHP value.
     *
     * @param string  $value                  A YAML string
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return mixed  A PHP value
     *
     * @throws ParseException If the YAML is not valid
     */
    public function parse($value, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        $this->currentLineNb = -1;
        $this->currentLine = '';
        $this->lines = explode("\n", $this->cleanup($value));

        if (function_exists('mb_detect_encoding') && false === mb_detect_encoding($value, 'UTF-8', true)) {
            throw new ParseException('The YAML value does not appear to be valid UTF-8.');
        }

        if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
            $mbEncoding = mb_internal_encoding();
            mb_internal_encoding('UTF-8');
        }

        $data = array();
        $context = null;
        while ($this->moveToNextLine()) {
            if ($this->isCurrentLineEmpty()) {
                continue;
            }

            // tab?
            if ("\t" === $this->currentLine[0]) {
                throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }

            $isRef = $isInPlace = $isProcessed = false;
            if (preg_match('#^\-((?P<leadspaces>\s+)(?P<value>.+?))?\s*$#u', $this->currentLine, $values)) {
                if ($context && 'mapping' == $context) {
                    throw new ParseException('You cannot define a sequence item when in a mapping');
                }
                $context = 'sequence';

                if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
                    $isRef = $matches['ref'];
                    $values['value'] = $matches['value'];
                }

                // array
                if (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
                    $c = $this->getRealCurrentLineNb() + 1;
                    $parser = new Parser($c);
                    $parser->refs =& $this->refs;
                    $data[] = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport);
                } else {
                    if (isset($values['leadspaces'])
                        && ' ' == $values['leadspaces']
                        && preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $values['value'], $matches)
                    ) {
                        // this is a compact notation element, add to next block and parse
                        $c = $this->getRealCurrentLineNb();
                        $parser = new Parser($c);
                        $parser->refs =& $this->refs;

                        $block = $values['value'];
                        if ($this->isNextLineIndented()) {
                            $block .= "\n".$this->getNextEmbedBlock($this->getCurrentLineIndentation() + 2);
                        }

                        $data[] = $parser->parse($block, $exceptionOnInvalidType, $objectSupport);
                    } else {
                        $data[] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport);
                    }
                }
            } elseif (preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\[\{].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->currentLine, $values) && false === strpos($values['key'],' #')) {
                if ($context && 'sequence' == $context) {
                    throw new ParseException('You cannot define a mapping item when in a sequence');
                }
                $context = 'mapping';

                // force correct settings
                Inline::parse(null, $exceptionOnInvalidType, $objectSupport);
                try {
                    $key = Inline::parseScalar($values['key']);
                } catch (ParseException $e) {
                    $e->setParsedLine($this->getRealCurrentLineNb() + 1);
                    $e->setSnippet($this->currentLine);

                    throw $e;
                }

                if ('<<' === $key) {
                    if (isset($values['value']) && 0 === strpos($values['value'], '*')) {
                        $isInPlace = substr($values['value'], 1);
                        if (!array_key_exists($isInPlace, $this->refs)) {
                            throw new ParseException(sprintf('Reference "%s" does not exist.', $isInPlace), $this->getRealCurrentLineNb() + 1, $this->currentLine);
                        }
                    } else {
                        if (isset($values['value']) && $values['value'] !== '') {
                            $value = $values['value'];
                        } else {
                            $value = $this->getNextEmbedBlock();
                        }
                        $c = $this->getRealCurrentLineNb() + 1;
                        $parser = new Parser($c);
                        $parser->refs =& $this->refs;
                        $parsed = $parser->parse($value, $exceptionOnInvalidType, $objectSupport);

                        $merged = array();
                        if (!is_array($parsed)) {
                            throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
                        } elseif (isset($parsed[0])) {
                            // Numeric array, merge individual elements
                            foreach (array_reverse($parsed) as $parsedItem) {
                                if (!is_array($parsedItem)) {
                                    throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem);
                                }
                                $merged = array_merge($parsedItem, $merged);
                            }
                        } else {
                            // Associative array, merge
                            $merged = array_merge($merged, $parsed);
                        }

                        $isProcessed = $merged;
                    }
                } elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) *(?P<value>.*)#u', $values['value'], $matches)) {
                    $isRef = $matches['ref'];
                    $values['value'] = $matches['value'];
                }

                if ($isProcessed) {
                    // Merge keys
                    $data = $isProcessed;
                // hash
                } elseif (!isset($values['value']) || '' == trim($values['value'], ' ') || 0 === strpos(ltrim($values['value'], ' '), '#')) {
                    // if next line is less indented or equal, then it means that the current value is null
                    if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
                        $data[$key] = null;
                    } else {
                        $c = $this->getRealCurrentLineNb() + 1;
                        $parser = new Parser($c);
                        $parser->refs =& $this->refs;
                        $data[$key] = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport);
                    }
                } else {
                    if ($isInPlace) {
                        $data = $this->refs[$isInPlace];
                    } else {
                        $data[$key] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport);
                    }
                }
            } else {
                // 1-liner optionally followed by newline
                $lineCount = count($this->lines);
                if (1 === $lineCount || (2 === $lineCount && empty($this->lines[1]))) {
                    try {
                        $value = Inline::parse($this->lines[0], $exceptionOnInvalidType, $objectSupport);
                    } catch (ParseException $e) {
                        $e->setParsedLine($this->getRealCurrentLineNb() + 1);
                        $e->setSnippet($this->currentLine);

                        throw $e;
                    }

                    if (is_array($value)) {
                        $first = reset($value);
                        if (is_string($first) && 0 === strpos($first, '*')) {
                            $data = array();
                            foreach ($value as $alias) {
                                $data[] = $this->refs[substr($alias, 1)];
                            }
                            $value = $data;
                        }
                    }

                    if (isset($mbEncoding)) {
                        mb_internal_encoding($mbEncoding);
                    }

                    return $value;
                }

                switch (preg_last_error()) {
                    case PREG_INTERNAL_ERROR:
                        $error = 'Internal PCRE error.';
                        break;
                    case PREG_BACKTRACK_LIMIT_ERROR:
                        $error = 'pcre.backtrack_limit reached.';
                        break;
                    case PREG_RECURSION_LIMIT_ERROR:
                        $error = 'pcre.recursion_limit reached.';
                        break;
                    case PREG_BAD_UTF8_ERROR:
                        $error = 'Malformed UTF-8 data.';
                        break;
                    case PREG_BAD_UTF8_OFFSET_ERROR:
                        $error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.';
                        break;
                    default:
                        $error = 'Unable to parse.';
                }

                throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }

            if ($isRef) {
                $this->refs[$isRef] = end($data);
            }
        }

        if (isset($mbEncoding)) {
            mb_internal_encoding($mbEncoding);
        }

        return empty($data) ? null : $data;
    }

    /**
     * Returns the current line number (takes the offset into account).
     *
     * @return integer The current line number
     */
    private function getRealCurrentLineNb()
    {
        return $this->currentLineNb + $this->offset;
    }

    /**
     * Returns the current line indentation.
     *
     * @return integer The current line indentation
     */
    private function getCurrentLineIndentation()
    {
        return strlen($this->currentLine) - strlen(ltrim($this->currentLine, ' '));
    }

    /**
     * Returns the next embed block of YAML.
     *
     * @param integer $indentation The indent level at which the block is to be read, or null for default
     *
     * @return string A YAML string
     *
     * @throws ParseException When indentation problem are detected
     */
    private function getNextEmbedBlock($indentation = null)
    {
        $this->moveToNextLine();

        if (null === $indentation) {
            $newIndent = $this->getCurrentLineIndentation();

            $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem($this->currentLine);

            if (!$this->isCurrentLineEmpty() && 0 === $newIndent && !$unindentedEmbedBlock) {
                throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }
        } else {
            $newIndent = $indentation;
        }

        $data = array(substr($this->currentLine, $newIndent));

        $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem($this->currentLine);

        // Comments must not be removed inside a string block (ie. after a line ending with "|")
        $removeCommentsPattern = '~'.self::FOLDED_SCALAR_PATTERN.'$~';
        $removeComments = !preg_match($removeCommentsPattern, $this->currentLine);

        while ($this->moveToNextLine()) {
            $indent = $this->getCurrentLineIndentation();

            if ($indent === $newIndent) {
                $removeComments = !preg_match($removeCommentsPattern, $this->currentLine);
            }

            if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem($this->currentLine)) {
                $this->moveToPreviousLine();
                break;
            }

            if ($this->isCurrentLineBlank()) {
                $data[] = substr($this->currentLine, $newIndent);
                continue;
            }

            if ($removeComments && $this->isCurrentLineComment()) {
                continue;
            }

            if ($indent >= $newIndent) {
                $data[] = substr($this->currentLine, $newIndent);
            } elseif (0 == $indent) {
                $this->moveToPreviousLine();

                break;
            } else {
                throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }
        }

        return implode("\n", $data);
    }

    /**
     * Moves the parser to the next line.
     *
     * @return Boolean
     */
    private function moveToNextLine()
    {
        if ($this->currentLineNb >= count($this->lines) - 1) {
            return false;
        }

        $this->currentLine = $this->lines[++$this->currentLineNb];

        return true;
    }

    /**
     * Moves the parser to the previous line.
     */
    private function moveToPreviousLine()
    {
        $this->currentLine = $this->lines[--$this->currentLineNb];
    }

    /**
     * Parses a YAML value.
     *
     * @param string  $value                  A YAML value
     * @param Boolean $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
     * @param Boolean $objectSupport          True if object support is enabled, false otherwise
     *
     * @return mixed  A PHP value
     *
     * @throws ParseException When reference does not exist
     */
    private function parseValue($value, $exceptionOnInvalidType, $objectSupport)
    {
        if (0 === strpos($value, '*')) {
            if (false !== $pos = strpos($value, '#')) {
                $value = substr($value, 1, $pos - 2);
            } else {
                $value = substr($value, 1);
            }

            if (!array_key_exists($value, $this->refs)) {
                throw new ParseException(sprintf('Reference "%s" does not exist.', $value), $this->currentLine);
            }

            return $this->refs[$value];
        }

        if (preg_match('/^'.self::FOLDED_SCALAR_PATTERN.'$/', $value, $matches)) {
            $modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : '';

            return $this->parseFoldedScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), intval(abs($modifiers)));
        }

        try {
            return Inline::parse($value, $exceptionOnInvalidType, $objectSupport);
        } catch (ParseException $e) {
            $e->setParsedLine($this->getRealCurrentLineNb() + 1);
            $e->setSnippet($this->currentLine);

            throw $e;
        }
    }

    /**
     * Parses a folded scalar.
     *
     * @param string  $separator   The separator that was used to begin this folded scalar (| or >)
     * @param string  $indicator   The indicator that was used to begin this folded scalar (+ or -)
     * @param integer $indentation The indentation that was used to begin this folded scalar
     *
     * @return string  The text value
     */
    private function parseFoldedScalar($separator, $indicator = '', $indentation = 0)
    {
        $notEOF = $this->moveToNextLine();
        if (!$notEOF) {
            return '';
        }

        $isCurrentLineBlank = $this->isCurrentLineBlank();
        $text = '';

        // leading blank lines are consumed before determining indentation
        while ($notEOF && $isCurrentLineBlank) {
            // newline only if not EOF
            if ($notEOF = $this->moveToNextLine()) {
                $text .= "\n";
                $isCurrentLineBlank = $this->isCurrentLineBlank();
            }
        }

        // determine indentation if not specified
        if (0 === $indentation) {
            if (preg_match('/^ +/', $this->currentLine, $matches)) {
                $indentation = strlen($matches[0]);
            }
        }

        if ($indentation > 0) {
            $pattern = sprintf('/^ {%d}(.*)$/', $indentation);

            while (
                $notEOF && (
                    $isCurrentLineBlank ||
                    preg_match($pattern, $this->currentLine, $matches)
                )
            ) {
                if ($isCurrentLineBlank) {
                    $text .= substr($this->currentLine, $indentation);
                } else {
                    $text .= $matches[1];
                }

                // newline only if not EOF
                if ($notEOF = $this->moveToNextLine()) {
                    $text .= "\n";
                    $isCurrentLineBlank = $this->isCurrentLineBlank();
                }
            }
        } elseif ($notEOF) {
            $text .= "\n";
        }

        if ($notEOF) {
            $this->moveToPreviousLine();
        }

        // replace all non-trailing single newlines with spaces in folded blocks
        if ('>' === $separator) {
            preg_match('/(\n*)$/', $text, $matches);
            $text = preg_replace('/(?<!\n)\n(?!\n)/', ' ', rtrim($text, "\n"));
            $text .= $matches[1];
        }

        // deal with trailing newlines as indicated
        if ('' === $indicator) {
            $text = preg_replace('/\n+$/s', "\n", $text);
        } elseif ('-' === $indicator) {
            $text = preg_replace('/\n+$/s', '', $text);
        }

        return $text;
    }

    /**
     * Returns true if the next line is indented.
     *
     * @return Boolean Returns true if the next line is indented, false otherwise
     */
    private function isNextLineIndented()
    {
        $currentIndentation = $this->getCurrentLineIndentation();
        $EOF = !$this->moveToNextLine();

        while (!$EOF && $this->isCurrentLineEmpty()) {
            $EOF = !$this->moveToNextLine();
        }

        if ($EOF) {
            return false;
        }

        $ret = false;
        if ($this->getCurrentLineIndentation() > $currentIndentation) {
            $ret = true;
        }

        $this->moveToPreviousLine();

        return $ret;
    }

    /**
     * Returns true if the current line is blank or if it is a comment line.
     *
     * @return Boolean Returns true if the current line is empty or if it is a comment line, false otherwise
     */
    private function isCurrentLineEmpty()
    {
        return $this->isCurrentLineBlank() || $this->isCurrentLineComment();
    }

    /**
     * Returns true if the current line is blank.
     *
     * @return Boolean Returns true if the current line is blank, false otherwise
     */
    private function isCurrentLineBlank()
    {
        return '' == trim($this->currentLine, ' ');
    }

    /**
     * Returns true if the current line is a comment line.
     *
     * @return Boolean Returns true if the current line is a comment line, false otherwise
     */
    private function isCurrentLineComment()
    {
        //checking explicitly the first char of the trim is faster than loops or strpos
        $ltrimmedLine = ltrim($this->currentLine, ' ');

        return $ltrimmedLine[0] === '#';
    }

    /**
     * Cleanups a YAML string to be parsed.
     *
     * @param string $value The input YAML string
     *
     * @return string A cleaned up YAML string
     */
    private function cleanup($value)
    {
        $value = str_replace(array("\r\n", "\r"), "\n", $value);

        // strip YAML header
        $count = 0;
        $value = preg_replace('#^\%YAML[: ][\d\.]+.*\n#su', '', $value, -1, $count);
        $this->offset += $count;

        // remove leading comments
        $trimmedValue = preg_replace('#^(\#.*?\n)+#s', '', $value, -1, $count);
        if ($count == 1) {
            // items have been removed, update the offset
            $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
            $value = $trimmedValue;
        }

        // remove start of the document marker (---)
        $trimmedValue = preg_replace('#^\-\-\-.*?\n#s', '', $value, -1, $count);
        if ($count == 1) {
            // items have been removed, update the offset
            $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
            $value = $trimmedValue;

            // remove end of the document marker (...)
            $value = preg_replace('#\.\.\.\s*$#s', '', $value);
        }

        return $value;
    }

    /**
     * Returns true if the next line starts unindented collection
     *
     * @return Boolean Returns true if the next line starts unindented collection, false otherwise
     */
    private function isNextLineUnIndentedCollection()
    {
        $currentIndentation = $this->getCurrentLineIndentation();
        $notEOF = $this->moveToNextLine();

        while ($notEOF && $this->isCurrentLineEmpty()) {
            $notEOF = $this->moveToNextLine();
        }

        if (false === $notEOF) {
            return false;
        }

        $ret = false;
        if (
            $this->getCurrentLineIndentation() == $currentIndentation
            &&
            $this->isStringUnIndentedCollectionItem($this->currentLine)
        ) {
            $ret = true;
        }

        $this->moveToPreviousLine();

        return $ret;
    }

    /**
     * Returns true if the string is un-indented collection item
     *
     * @return Boolean Returns true if the string is un-indented collection item, false otherwise
     */
    private function isStringUnIndentedCollectionItem()
    {
        return (0 === strpos($this->currentLine, '- '));
    }

}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

/**
 * Dumper dumps PHP variables to YAML strings.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Dumper
{
    /**
     * The amount of spaces to use for indentation of nested nodes.
     *
     * @var integer
     */
    protected $indentation = 4;

    /**
     * Sets the indentation.
     *
     * @param integer $num The amount of spaces to use for indentation of nested nodes.
     */
    public function setIndentation($num)
    {
        $this->indentation = (int) $num;
    }

    /**
     * Dumps a PHP value to YAML.
     *
     * @param mixed   $input                  The PHP value
     * @param integer $inline                 The level where you switch to inline YAML
     * @param integer $indent                 The level of indentation (used internally)
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return string  The YAML representation of the PHP value
     */
    public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        $output = '';
        $prefix = $indent ? str_repeat(' ', $indent) : '';

        if ($inline <= 0 || !is_array($input) || empty($input)) {
            $output .= $prefix.Inline::dump($input, $exceptionOnInvalidType, $objectSupport);
        } else {
            $isAHash = array_keys($input) !== range(0, count($input) - 1);

            foreach ($input as $key => $value) {
                $willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value);

                $output .= sprintf('%s%s%s%s',
                    $prefix,
                    $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport).':' : '-',
                    $willBeInlined ? ' ' : "\n",
                    $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport)
                ).($willBeInlined ? "\n" : '');
            }
        }

        return $output;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

/**
 * Unescaper encapsulates unescaping rules for single and double-quoted
 * YAML strings.
 *
 * @author Matthew Lewinski <matthew@lewinski.org>
 */
class Unescaper
{
    // Parser and Inline assume UTF-8 encoding, so escaped Unicode characters
    // must be converted to that encoding.
    const ENCODING = 'UTF-8';

    // Regex fragment that matches an escaped character in a double quoted
    // string.
    const REGEX_ESCAPED_CHARACTER = "\\\\([0abt\tnvfre \\\"\\/\\\\N_LP]|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8})";

    /**
     * Unescapes a single quoted string.
     *
     * @param string $value A single quoted string.
     *
     * @return string The unescaped string.
     */
    public function unescapeSingleQuotedString($value)
    {
        return str_replace('\'\'', '\'', $value);
    }

    /**
     * Unescapes a double quoted string.
     *
     * @param string $value A double quoted string.
     *
     * @return string The unescaped string.
     */
    public function unescapeDoubleQuotedString($value)
    {
        $self = $this;
        $callback = function ($match) use ($self) {
            return $self->unescapeCharacter($match[0]);
        };

        // evaluate the string
        return preg_replace_callback('/'.self::REGEX_ESCAPED_CHARACTER.'/u', $callback, $value);
    }

    /**
     * Unescapes a character that was found in a double-quoted string
     *
     * @param string $value An escaped character
     *
     * @return string The unescaped character
     */
    public function unescapeCharacter($value)
    {
        switch ($value{1}) {
            case '0':
                return "\x0";
            case 'a':
                return "\x7";
            case 'b':
                return "\x8";
            case 't':
                return "\t";
            case "\t":
                return "\t";
            case 'n':
                return "\n";
            case 'v':
                return "\xb";
            case 'f':
                return "\xc";
            case 'r':
                return "\xd";
            case 'e':
                return "\x1b";
            case ' ':
                return ' ';
            case '"':
                return '"';
            case '/':
                return '/';
            case '\\':
                return '\\';
            case 'N':
                // U+0085 NEXT LINE
                return $this->convertEncoding("\x00\x85", self::ENCODING, 'UCS-2BE');
            case '_':
                // U+00A0 NO-BREAK SPACE
                return $this->convertEncoding("\x00\xA0", self::ENCODING, 'UCS-2BE');
            case 'L':
                // U+2028 LINE SEPARATOR
                return $this->convertEncoding("\x20\x28", self::ENCODING, 'UCS-2BE');
            case 'P':
                // U+2029 PARAGRAPH SEPARATOR
                return $this->convertEncoding("\x20\x29", self::ENCODING, 'UCS-2BE');
            case 'x':
                $char = pack('n', hexdec(substr($value, 2, 2)));

                return $this->convertEncoding($char, self::ENCODING, 'UCS-2BE');
            case 'u':
                $char = pack('n', hexdec(substr($value, 2, 4)));

                return $this->convertEncoding($char, self::ENCODING, 'UCS-2BE');
            case 'U':
                $char = pack('N', hexdec(substr($value, 2, 8)));

                return $this->convertEncoding($char, self::ENCODING, 'UCS-4BE');
        }
    }

    /**
     * Convert a string from one encoding to another.
     *
     * @param string $value The string to convert
     * @param string $to    The input encoding
     * @param string $from  The output encoding
     *
     * @return string The string with the new encoding
     *
     * @throws \RuntimeException if no suitable encoding function is found (iconv or mbstring)
     */
    private function convertEncoding($value, $to, $from)
    {
        if (function_exists('mb_convert_encoding')) {
            return mb_convert_encoding($value, $to, $from);
        } elseif (function_exists('iconv')) {
            return iconv($from, $to, $value);
        }

        throw new \RuntimeException('No suitable convert encoding function (install the iconv or mbstring extension).');
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml\Exception;

/**
 * Exception class thrown when an error occurs during dumping.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class DumpException extends RuntimeException
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml\Exception;

/**
 * Exception interface for all exceptions thrown by the component.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
interface ExceptionInterface
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml\Exception;

if (!defined('JSON_UNESCAPED_UNICODE')) {
    define('JSON_UNESCAPED_SLASHES', 64);
    define('JSON_UNESCAPED_UNICODE', 256);
}

/**
 * Exception class thrown when an error occurs during parsing.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class ParseException extends RuntimeException
{
    private $parsedFile;
    private $parsedLine;
    private $snippet;
    private $rawMessage;

    /**
     * Constructor.
     *
     * @param string    $message    The error message
     * @param integer   $parsedLine The line where the error occurred
     * @param integer   $snippet    The snippet of code near the problem
     * @param string    $parsedFile The file name where the error occurred
     * @param \Exception $previous   The previous exception
     */
    public function __construct($message, $parsedLine = -1, $snippet = null, $parsedFile = null, \Exception $previous = null)
    {
        $this->parsedFile = $parsedFile;
        $this->parsedLine = $parsedLine;
        $this->snippet = $snippet;
        $this->rawMessage = $message;

        $this->updateRepr();

        parent::__construct($this->message, 0, $previous);
    }

    /**
     * Gets the snippet of code near the error.
     *
     * @return string The snippet of code
     */
    public function getSnippet()
    {
        return $this->snippet;
    }

    /**
     * Sets the snippet of code near the error.
     *
     * @param string $snippet The code snippet
     */
    public function setSnippet($snippet)
    {
        $this->snippet = $snippet;

        $this->updateRepr();
    }

    /**
     * Gets the filename where the error occurred.
     *
     * This method returns null if a string is parsed.
     *
     * @return string The filename
     */
    public function getParsedFile()
    {
        return $this->parsedFile;
    }

    /**
     * Sets the filename where the error occurred.
     *
     * @param string $parsedFile The filename
     */
    public function setParsedFile($parsedFile)
    {
        $this->parsedFile = $parsedFile;

        $this->updateRepr();
    }

    /**
     * Gets the line where the error occurred.
     *
     * @return integer The file line
     */
    public function getParsedLine()
    {
        return $this->parsedLine;
    }

    /**
     * Sets the line where the error occurred.
     *
     * @param integer $parsedLine The file line
     */
    public function setParsedLine($parsedLine)
    {
        $this->parsedLine = $parsedLine;

        $this->updateRepr();
    }

    private function updateRepr()
    {
        $this->message = $this->rawMessage;

        $dot = false;
        if ('.' === substr($this->message, -1)) {
            $this->message = substr($this->message, 0, -1);
            $dot = true;
        }

        if (null !== $this->parsedFile) {
            $this->message .= sprintf(' in %s', json_encode($this->parsedFile, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
        }

        if ($this->parsedLine >= 0) {
            $this->message .= sprintf(' at line %d', $this->parsedLine);
        }

        if ($this->snippet) {
            $this->message .= sprintf(' (near "%s")', $this->snippet);
        }

        if ($dot) {
            $this->message .= '.';
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml\Exception;

/**
 * Exception class thrown when an error occurs during parsing.
 *
 * @author Romain Neutron <imprec@gmail.com>
 *
 * @api
 */
class RuntimeException extends \RuntimeException implements ExceptionInterface
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Exception\DumpException;

/**
 * Inline implements a YAML parser/dumper for the YAML inline syntax.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Inline
{
    const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\']*(?:\'\'[^\']*)*)\')';

    private static $exceptionOnInvalidType = false;
    private static $objectSupport = false;

    /**
     * Converts a YAML string to a PHP array.
     *
     * @param string  $value                  A YAML string
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return array A PHP array representing the YAML string
     *
     * @throws ParseException
     */
    public static function parse($value, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        self::$exceptionOnInvalidType = $exceptionOnInvalidType;
        self::$objectSupport = $objectSupport;

        $value = trim($value);

        if (0 == strlen($value)) {
            return '';
        }

        if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
            $mbEncoding = mb_internal_encoding();
            mb_internal_encoding('ASCII');
        }

        $i = 0;
        switch ($value[0]) {
            case '[':
                $result = self::parseSequence($value, $i);
                ++$i;
                break;
            case '{':
                $result = self::parseMapping($value, $i);
                ++$i;
                break;
            default:
                $result = self::parseScalar($value, null, array('"', "'"), $i);
        }

        // some comments are allowed at the end
        if (preg_replace('/\s+#.*$/A', '', substr($value, $i))) {
            throw new ParseException(sprintf('Unexpected characters near "%s".', substr($value, $i)));
        }

        if (isset($mbEncoding)) {
            mb_internal_encoding($mbEncoding);
        }

        return $result;
    }

    /**
     * Dumps a given PHP variable to a YAML string.
     *
     * @param mixed   $value                  The PHP variable to convert
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return string The YAML string representing the PHP array
     *
     * @throws DumpException When trying to dump PHP resource
     */
    public static function dump($value, $exceptionOnInvalidType = false, $objectSupport = false)
    {
        switch (true) {
            case is_resource($value):
                if ($exceptionOnInvalidType) {
                    throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
                }

                return 'null';
            case is_object($value):
                if ($objectSupport) {
                    return '!!php/object:'.serialize($value);
                }

                if ($exceptionOnInvalidType) {
                    throw new DumpException('Object support when dumping a YAML file has been disabled.');
                }

                return 'null';
            case is_array($value):
                return self::dumpArray($value, $exceptionOnInvalidType, $objectSupport);
            case null === $value:
                return 'null';
            case true === $value:
                return 'true';
            case false === $value:
                return 'false';
            case ctype_digit($value):
                return is_string($value) ? "'$value'" : (int) $value;
            case is_numeric($value):
                $locale = setlocale(LC_NUMERIC, 0);
                if (false !== $locale) {
                    setlocale(LC_NUMERIC, 'C');
                }
                $repr = is_string($value) ? "'$value'" : (is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : strval($value));

                if (false !== $locale) {
                    setlocale(LC_NUMERIC, $locale);
                }

                return $repr;
            case Escaper::requiresDoubleQuoting($value):
                return Escaper::escapeWithDoubleQuotes($value);
            case Escaper::requiresSingleQuoting($value):
                return Escaper::escapeWithSingleQuotes($value);
            case '' == $value:
                return "''";
            case preg_match(self::getTimestampRegex(), $value):
            case in_array(strtolower($value), array('null', '~', 'true', 'false')):
                return "'$value'";
            default:
                return $value;
        }
    }

    /**
     * Dumps a PHP array to a YAML string.
     *
     * @param array   $value                  The PHP array to dump
     * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
     * @param Boolean $objectSupport          true if object support is enabled, false otherwise
     *
     * @return string The YAML string representing the PHP array
     */
    private static function dumpArray($value, $exceptionOnInvalidType, $objectSupport)
    {
        // array
        $keys = array_keys($value);
        if ((1 == count($keys) && '0' == $keys[0])
            || (count($keys) > 1 && array_reduce($keys, function ($v, $w) { return (integer) $v + $w; }, 0) == count($keys) * (count($keys) - 1) / 2)
        ) {
            $output = array();
            foreach ($value as $val) {
                $output[] = self::dump($val, $exceptionOnInvalidType, $objectSupport);
            }

            return sprintf('[%s]', implode(', ', $output));
        }

        // mapping
        $output = array();
        foreach ($value as $key => $val) {
            $output[] = sprintf('%s: %s', self::dump($key, $exceptionOnInvalidType, $objectSupport), self::dump($val, $exceptionOnInvalidType, $objectSupport));
        }

        return sprintf('{ %s }', implode(', ', $output));
    }

    /**
     * Parses a scalar to a YAML string.
     *
     * @param scalar $scalar
     * @param string $delimiters
     * @param array  $stringDelimiters
     * @param integer &$i
     * @param Boolean $evaluate
     *
     * @return string A YAML string
     *
     * @throws ParseException When malformed inline YAML string is parsed
     */
    public static function parseScalar($scalar, $delimiters = null, $stringDelimiters = array('"', "'"), &$i = 0, $evaluate = true)
    {
        if (in_array($scalar[$i], $stringDelimiters)) {
            // quoted scalar
            $output = self::parseQuotedScalar($scalar, $i);

            if (null !== $delimiters) {
                $tmp = ltrim(substr($scalar, $i), ' ');
                if (!in_array($tmp[0], $delimiters)) {
                    throw new ParseException(sprintf('Unexpected characters (%s).', substr($scalar, $i)));
                }
            }
        } else {
            // "normal" string
            if (!$delimiters) {
                $output = substr($scalar, $i);
                $i += strlen($output);

                // remove comments
                if (false !== $strpos = strpos($output, ' #')) {
                    $output = rtrim(substr($output, 0, $strpos));
                }
            } elseif (preg_match('/^(.+?)('.implode('|', $delimiters).')/', substr($scalar, $i), $match)) {
                $output = $match[1];
                $i += strlen($output);
            } else {
                throw new ParseException(sprintf('Malformed inline YAML string (%s).', $scalar));
            }

            if ($evaluate) {
                $output = self::evaluateScalar($output);
            }
        }

        return $output;
    }

    /**
     * Parses a quoted scalar to YAML.
     *
     * @param string $scalar
     * @param integer &$i
     *
     * @return string A YAML string
     *
     * @throws ParseException When malformed inline YAML string is parsed
     */
    private static function parseQuotedScalar($scalar, &$i)
    {
        if (!preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match)) {
            throw new ParseException(sprintf('Malformed inline YAML string (%s).', substr($scalar, $i)));
        }

        $output = substr($match[0], 1, strlen($match[0]) - 2);

        $unescaper = new Unescaper();
        if ('"' == $scalar[$i]) {
            $output = $unescaper->unescapeDoubleQuotedString($output);
        } else {
            $output = $unescaper->unescapeSingleQuotedString($output);
        }

        $i += strlen($match[0]);

        return $output;
    }

    /**
     * Parses a sequence to a YAML string.
     *
     * @param string $sequence
     * @param integer &$i
     *
     * @return string A YAML string
     *
     * @throws ParseException When malformed inline YAML string is parsed
     */
    private static function parseSequence($sequence, &$i = 0)
    {
        $output = array();
        $len = strlen($sequence);
        $i += 1;

        // [foo, bar, ...]
        while ($i < $len) {
            switch ($sequence[$i]) {
                case '[':
                    // nested sequence
                    $output[] = self::parseSequence($sequence, $i);
                    break;
                case '{':
                    // nested mapping
                    $output[] = self::parseMapping($sequence, $i);
                    break;
                case ']':
                    return $output;
                case ',':
                case ' ':
                    break;
                default:
                    $isQuoted = in_array($sequence[$i], array('"', "'"));
                    $value = self::parseScalar($sequence, array(',', ']'), array('"', "'"), $i);

                    if (!$isQuoted && false !== strpos($value, ': ')) {
                        // embedded mapping?
                        try {
                            $value = self::parseMapping('{'.$value.'}');
                        } catch (\InvalidArgumentException $e) {
                            // no, it's not
                        }
                    }

                    $output[] = $value;

                    --$i;
            }

            ++$i;
        }

        throw new ParseException(sprintf('Malformed inline YAML string %s', $sequence));
    }

    /**
     * Parses a mapping to a YAML string.
     *
     * @param string $mapping
     * @param integer &$i
     *
     * @return string A YAML string
     *
     * @throws ParseException When malformed inline YAML string is parsed
     */
    private static function parseMapping($mapping, &$i = 0)
    {
        $output = array();
        $len = strlen($mapping);
        $i += 1;

        // {foo: bar, bar:foo, ...}
        while ($i < $len) {
            switch ($mapping[$i]) {
                case ' ':
                case ',':
                    ++$i;
                    continue 2;
                case '}':
                    return $output;
            }

            // key
            $key = self::parseScalar($mapping, array(':', ' '), array('"', "'"), $i, false);

            // value
            $done = false;
            while ($i < $len) {
                switch ($mapping[$i]) {
                    case '[':
                        // nested sequence
                        $output[$key] = self::parseSequence($mapping, $i);
                        $done = true;
                        break;
                    case '{':
                        // nested mapping
                        $output[$key] = self::parseMapping($mapping, $i);
                        $done = true;
                        break;
                    case ':':
                    case ' ':
                        break;
                    default:
                        $output[$key] = self::parseScalar($mapping, array(',', '}'), array('"', "'"), $i);
                        $done = true;
                        --$i;
                }

                ++$i;

                if ($done) {
                    continue 2;
                }
            }
        }

        throw new ParseException(sprintf('Malformed inline YAML string %s', $mapping));
    }

    /**
     * Evaluates scalars and replaces magic values.
     *
     * @param string $scalar
     *
     * @return string A YAML string
     */
    private static function evaluateScalar($scalar)
    {
        $scalar = trim($scalar);
        $scalarLower = strtolower($scalar);
        switch (true) {
            case 'null' === $scalarLower:
            case '' === $scalar:
            case '~' === $scalar:
                return null;
            case 'true' === $scalarLower:
                return true;
            case 'false' === $scalarLower:
                return false;
            // Optimise for returning strings.
            case $scalar[0] === '+' || $scalar[0] === '-' || $scalar[0] === '.' || $scalar[0] === '!' || is_numeric($scalar[0]):
                switch (true) {
                    case 0 === strpos($scalar, '!str'):
                        return (string) substr($scalar, 5);
                    case 0 === strpos($scalar, '! '):
                        return intval(self::parseScalar(substr($scalar, 2)));
                    case 0 === strpos($scalar, '!!php/object:'):
                        if (self::$objectSupport) {
                            return unserialize(substr($scalar, 13));
                        }

                        if (self::$exceptionOnInvalidType) {
                            throw new ParseException('Object support when parsing a YAML file has been disabled.');
                        }

                        return null;
                    case ctype_digit($scalar):
                        $raw = $scalar;
                        $cast = intval($scalar);

                        return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw);
                    case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)):
                        $raw = $scalar;
                        $cast = intval($scalar);

                        return '0' == $scalar[1] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw);
                    case is_numeric($scalar):
                        return '0x' == $scalar[0].$scalar[1] ? hexdec($scalar) : floatval($scalar);
                    case '.inf' === $scalarLower:
                    case '.nan' === $scalarLower:
                        return -log(0);
                    case '-.inf' === $scalarLower:
                        return log(0);
                    case preg_match('/^(-|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar):
                        return floatval(str_replace(',', '', $scalar));
                    case preg_match(self::getTimestampRegex(), $scalar):
                        return strtotime($scalar);
                }
            default:
                return (string) $scalar;
        }
    }

    /**
     * Gets a regex that matches a YAML date.
     *
     * @return string The regular expression
     *
     * @see http://www.yaml.org/spec/1.2/spec.html#id2761573
     */
    private static function getTimestampRegex()
    {
        return <<<EOF
        ~^
        (?P<year>[0-9][0-9][0-9][0-9])
        -(?P<month>[0-9][0-9]?)
        -(?P<day>[0-9][0-9]?)
        (?:(?:[Tt]|[ \t]+)
        (?P<hour>[0-9][0-9]?)
        :(?P<minute>[0-9][0-9])
        :(?P<second>[0-9][0-9])
        (?:\.(?P<fraction>[0-9]*))?
        (?:[ \t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?)
        (?::(?P<tz_minute>[0-9][0-9]))?))?)?
        $~x
EOF;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

/**
 * Contains all events dispatched by an Application.
 *
 * @author Francesco Levorato <git@flevour.net>
 */
final class ConsoleEvents
{
    /**
     * The COMMAND event allows you to attach listeners before any command is
     * executed by the console. It also allows you to modify the command, input and output
     * before they are handled to the command.
     *
     * The event listener method receives a Symfony\Component\Console\Event\ConsoleCommandEvent
     * instance.
     *
     * @var string
     */
    const COMMAND = 'console.command';

    /**
     * The TERMINATE event allows you to attach listeners after a command is
     * executed by the console.
     *
     * The event listener method receives a Symfony\Component\Console\Event\ConsoleTerminateEvent
     * instance.
     *
     * @var string
     */
    const TERMINATE = 'console.terminate';

    /**
     * The EXCEPTION event occurs when an uncaught exception appears.
     *
     * This event allows you to deal with the exception or
     * to modify the thrown exception. The event listener method receives
     * a Symfony\Component\Console\Event\ConsoleExceptionEvent
     * instance.
     *
     * @var string
     */
    const EXCEPTION = 'console.exception';
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Formatter;

/**
 * Formatter class for console output.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 *
 * @api
 */
class OutputFormatter implements OutputFormatterInterface
{
    private $decorated;
    private $styles = array();
    private $styleStack;

    /**
     * Escapes "<" special char in given text.
     *
     * @param string $text Text to escape
     *
     * @return string Escaped text
     */
    public static function escape($text)
    {
        return preg_replace('/([^\\\\]?)</is', '$1\\<', $text);
    }

    /**
     * Initializes console output formatter.
     *
     * @param Boolean          $decorated Whether this formatter should actually decorate strings
     * @param OutputFormatterStyleInterface[] $styles    Array of "name => FormatterStyle" instances
     *
     * @api
     */
    public function __construct($decorated = false, array $styles = array())
    {
        $this->decorated = (Boolean) $decorated;

        $this->setStyle('error', new OutputFormatterStyle('white', 'red'));
        $this->setStyle('info', new OutputFormatterStyle('green'));
        $this->setStyle('comment', new OutputFormatterStyle('yellow'));
        $this->setStyle('question', new OutputFormatterStyle('black', 'cyan'));

        foreach ($styles as $name => $style) {
            $this->setStyle($name, $style);
        }

        $this->styleStack = new OutputFormatterStyleStack();
    }

    /**
     * Sets the decorated flag.
     *
     * @param Boolean $decorated Whether to decorate the messages or not
     *
     * @api
     */
    public function setDecorated($decorated)
    {
        $this->decorated = (Boolean) $decorated;
    }

    /**
     * Gets the decorated flag.
     *
     * @return Boolean true if the output will decorate messages, false otherwise
     *
     * @api
     */
    public function isDecorated()
    {
        return $this->decorated;
    }

    /**
     * Sets a new style.
     *
     * @param string                        $name  The style name
     * @param OutputFormatterStyleInterface $style The style instance
     *
     * @api
     */
    public function setStyle($name, OutputFormatterStyleInterface $style)
    {
        $this->styles[strtolower($name)] = $style;
    }

    /**
     * Checks if output formatter has style with specified name.
     *
     * @param string $name
     *
     * @return Boolean
     *
     * @api
     */
    public function hasStyle($name)
    {
        return isset($this->styles[strtolower($name)]);
    }

    /**
     * Gets style options from style with specified name.
     *
     * @param string $name
     *
     * @return OutputFormatterStyleInterface
     *
     * @throws \InvalidArgumentException When style isn't defined
     *
     * @api
     */
    public function getStyle($name)
    {
        if (!$this->hasStyle($name)) {
            throw new \InvalidArgumentException(sprintf('Undefined style: %s', $name));
        }

        return $this->styles[strtolower($name)];
    }

    /**
     * Formats a message according to the given styles.
     *
     * @param string $message The message to style
     *
     * @return string The styled message
     *
     * @api
     */
    public function format($message)
    {
        $offset = 0;
        $output = '';
        $tagRegex = '[a-z][a-z0-9_=;-]*';
        preg_match_all("#<(($tagRegex) | /($tagRegex)?)>#isx", $message, $matches, PREG_OFFSET_CAPTURE);
        foreach ($matches[0] as $i => $match) {
            $pos = $match[1];
            $text = $match[0];

            // add the text up to the next tag
            $output .= $this->applyCurrentStyle(substr($message, $offset, $pos - $offset));
            $offset = $pos + strlen($text);

            // opening tag?
            if ($open = '/' != $text[1]) {
                $tag = $matches[1][$i][0];
            } else {
                $tag = isset($matches[3][$i][0]) ? $matches[3][$i][0] : '';
            }

            if (!$open && !$tag) {
                // </>
                $this->styleStack->pop();
            } elseif ($pos && '\\' == $message[$pos - 1]) {
                // escaped tag
                $output .= $this->applyCurrentStyle($text);
            } elseif (false === $style = $this->createStyleFromString(strtolower($tag))) {
                $output .= $this->applyCurrentStyle($text);
            } elseif ($open) {
                $this->styleStack->push($style);
            } else {
                $this->styleStack->pop($style);
            }
        }

        $output .= $this->applyCurrentStyle(substr($message, $offset));

        return str_replace('\\<', '<', $output);
    }

    /**
     * @return OutputFormatterStyleStack
     */
    public function getStyleStack()
    {
        return $this->styleStack;
    }

    /**
     * Tries to create new style instance from string.
     *
     * @param string $string
     *
     * @return OutputFormatterStyle|Boolean false if string is not format string
     */
    private function createStyleFromString($string)
    {
        if (isset($this->styles[$string])) {
            return $this->styles[$string];
        }

        if (!preg_match_all('/([^=]+)=([^;]+)(;|$)/', strtolower($string), $matches, PREG_SET_ORDER)) {
            return false;
        }

        $style = new OutputFormatterStyle();
        foreach ($matches as $match) {
            array_shift($match);

            if ('fg' == $match[0]) {
                $style->setForeground($match[1]);
            } elseif ('bg' == $match[0]) {
                $style->setBackground($match[1]);
            } else {
                $style->setOption($match[1]);
            }
        }

        return $style;
    }

    /**
     * Applies current style from stack to text, if must be applied.
     *
     * @param string $text Input text
     *
     * @return string Styled text
     */
    private function applyCurrentStyle($text)
    {
        return $this->isDecorated() && strlen($text) > 0 ? $this->styleStack->getCurrent()->apply($text) : $text;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Formatter;

/**
 * Formatter interface for console output.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 *
 * @api
 */
interface OutputFormatterInterface
{
    /**
     * Sets the decorated flag.
     *
     * @param Boolean $decorated Whether to decorate the messages or not
     *
     * @api
     */
    public function setDecorated($decorated);

    /**
     * Gets the decorated flag.
     *
     * @return Boolean true if the output will decorate messages, false otherwise
     *
     * @api
     */
    public function isDecorated();

    /**
     * Sets a new style.
     *
     * @param string                        $name  The style name
     * @param OutputFormatterStyleInterface $style The style instance
     *
     * @api
     */
    public function setStyle($name, OutputFormatterStyleInterface $style);

    /**
     * Checks if output formatter has style with specified name.
     *
     * @param string $name
     *
     * @return Boolean
     *
     * @api
     */
    public function hasStyle($name);

    /**
     * Gets style options from style with specified name.
     *
     * @param string $name
     *
     * @return OutputFormatterStyleInterface
     *
     * @api
     */
    public function getStyle($name);

    /**
     * Formats a message according to the given styles.
     *
     * @param string $message The message to style
     *
     * @return string The styled message
     *
     * @api
     */
    public function format($message);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Formatter;

/**
 * Formatter style class for defining styles.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 *
 * @api
 */
class OutputFormatterStyle implements OutputFormatterStyleInterface
{
    private static $availableForegroundColors = array(
        'black'     => 30,
        'red'       => 31,
        'green'     => 32,
        'yellow'    => 33,
        'blue'      => 34,
        'magenta'   => 35,
        'cyan'      => 36,
        'white'     => 37
    );
    private static $availableBackgroundColors = array(
        'black'     => 40,
        'red'       => 41,
        'green'     => 42,
        'yellow'    => 43,
        'blue'      => 44,
        'magenta'   => 45,
        'cyan'      => 46,
        'white'     => 47
    );
    private static $availableOptions = array(
        'bold'          => 1,
        'underscore'    => 4,
        'blink'         => 5,
        'reverse'       => 7,
        'conceal'       => 8
    );

    private $foreground;
    private $background;
    private $options = array();

    /**
     * Initializes output formatter style.
     *
     * @param string|null $foreground The style foreground color name
     * @param string|null $background The style background color name
     * @param array       $options    The style options
     *
     * @api
     */
    public function __construct($foreground = null, $background = null, array $options = array())
    {
        if (null !== $foreground) {
            $this->setForeground($foreground);
        }
        if (null !== $background) {
            $this->setBackground($background);
        }
        if (count($options)) {
            $this->setOptions($options);
        }
    }

    /**
     * Sets style foreground color.
     *
     * @param string|null $color The color name
     *
     * @throws \InvalidArgumentException When the color name isn't defined
     *
     * @api
     */
    public function setForeground($color = null)
    {
        if (null === $color) {
            $this->foreground = null;

            return;
        }

        if (!isset(static::$availableForegroundColors[$color])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid foreground color specified: "%s". Expected one of (%s)',
                $color,
                implode(', ', array_keys(static::$availableForegroundColors))
            ));
        }

        $this->foreground = static::$availableForegroundColors[$color];
    }

    /**
     * Sets style background color.
     *
     * @param string|null $color The color name
     *
     * @throws \InvalidArgumentException When the color name isn't defined
     *
     * @api
     */
    public function setBackground($color = null)
    {
        if (null === $color) {
            $this->background = null;

            return;
        }

        if (!isset(static::$availableBackgroundColors[$color])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid background color specified: "%s". Expected one of (%s)',
                $color,
                implode(', ', array_keys(static::$availableBackgroundColors))
            ));
        }

        $this->background = static::$availableBackgroundColors[$color];
    }

    /**
     * Sets some specific style option.
     *
     * @param string $option The option name
     *
     * @throws \InvalidArgumentException When the option name isn't defined
     *
     * @api
     */
    public function setOption($option)
    {
        if (!isset(static::$availableOptions[$option])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid option specified: "%s". Expected one of (%s)',
                $option,
                implode(', ', array_keys(static::$availableOptions))
            ));
        }

        if (false === array_search(static::$availableOptions[$option], $this->options)) {
            $this->options[] = static::$availableOptions[$option];
        }
    }

    /**
     * Unsets some specific style option.
     *
     * @param string $option The option name
     *
     * @throws \InvalidArgumentException When the option name isn't defined
     *
     */
    public function unsetOption($option)
    {
        if (!isset(static::$availableOptions[$option])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid option specified: "%s". Expected one of (%s)',
                $option,
                implode(', ', array_keys(static::$availableOptions))
            ));
        }

        $pos = array_search(static::$availableOptions[$option], $this->options);
        if (false !== $pos) {
            unset($this->options[$pos]);
        }
    }

    /**
     * Sets multiple style options at once.
     *
     * @param array $options
     */
    public function setOptions(array $options)
    {
        $this->options = array();

        foreach ($options as $option) {
            $this->setOption($option);
        }
    }

    /**
     * Applies the style to a given text.
     *
     * @param string $text The text to style
     *
     * @return string
     */
    public function apply($text)
    {
        $codes = array();

        if (null !== $this->foreground) {
            $codes[] = $this->foreground;
        }
        if (null !== $this->background) {
            $codes[] = $this->background;
        }
        if (count($this->options)) {
            $codes = array_merge($codes, $this->options);
        }

        if (0 === count($codes)) {
            return $text;
        }

        return sprintf("\033[%sm%s\033[0m", implode(';', $codes), $text);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Formatter;

/**
 * Formatter style interface for defining styles.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 *
 * @api
 */
interface OutputFormatterStyleInterface
{
    /**
     * Sets style foreground color.
     *
     * @param string $color The color name
     *
     * @api
     */
    public function setForeground($color = null);

    /**
     * Sets style background color.
     *
     * @param string $color The color name
     *
     * @api
     */
    public function setBackground($color = null);

    /**
     * Sets some specific style option.
     *
     * @param string $option The option name
     *
     * @api
     */
    public function setOption($option);

    /**
     * Unsets some specific style option.
     *
     * @param string $option The option name
     */
    public function unsetOption($option);

    /**
     * Sets multiple style options at once.
     *
     * @param array $options
     */
    public function setOptions(array $options);

    /**
     * Applies the style to a given text.
     *
     * @param string $text The text to style
     *
     * @return string
     */
    public function apply($text);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Formatter;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class OutputFormatterStyleStack
{
    /**
     * @var OutputFormatterStyleInterface[]
     */
    private $styles;

    /**
     * @var OutputFormatterStyleInterface
     */
    private $emptyStyle;

    /**
     * Constructor.
     *
     * @param OutputFormatterStyleInterface|null $emptyStyle
     */
    public function __construct(OutputFormatterStyleInterface $emptyStyle = null)
    {
        $this->emptyStyle = $emptyStyle ?: new OutputFormatterStyle();
        $this->reset();
    }

    /**
     * Resets stack (ie. empty internal arrays).
     */
    public function reset()
    {
        $this->styles = array();
    }

    /**
     * Pushes a style in the stack.
     *
     * @param OutputFormatterStyleInterface $style
     */
    public function push(OutputFormatterStyleInterface $style)
    {
        $this->styles[] = $style;
    }

    /**
     * Pops a style from the stack.
     *
     * @param OutputFormatterStyleInterface|null $style
     *
     * @return OutputFormatterStyleInterface
     *
     * @throws \InvalidArgumentException  When style tags incorrectly nested
     */
    public function pop(OutputFormatterStyleInterface $style = null)
    {
        if (empty($this->styles)) {
            return $this->emptyStyle;
        }

        if (null === $style) {
            return array_pop($this->styles);
        }

        foreach (array_reverse($this->styles, true) as $index => $stackedStyle) {
            if ($style->apply('') === $stackedStyle->apply('')) {
                $this->styles = array_slice($this->styles, 0, $index);

                return $stackedStyle;
            }
        }

        throw new \InvalidArgumentException('Incorrectly nested style tag found.');
    }

    /**
     * Computes current style with stacks top codes.
     *
     * @return OutputFormatterStyle
     */
    public function getCurrent()
    {
        if (empty($this->styles)) {
            return $this->emptyStyle;
        }

        return $this->styles[count($this->styles)-1];
    }

    /**
     * @param OutputFormatterStyleInterface $emptyStyle
     *
     * @return OutputFormatterStyleStack
     */
    public function setEmptyStyle(OutputFormatterStyleInterface $emptyStyle)
    {
        $this->emptyStyle = $emptyStyle;

        return $this;
    }

    /**
     * @return OutputFormatterStyleInterface
     */
    public function getEmptyStyle()
    {
        return $this->emptyStyle;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

/**
 * HelperInterface is the interface all helpers must implement.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
interface HelperInterface
{
    /**
     * Sets the helper set associated with this helper.
     *
     * @param HelperSet $helperSet A HelperSet instance
     *
     * @api
     */
    public function setHelperSet(HelperSet $helperSet = null);

    /**
     * Gets the helper set associated with this helper.
     *
     * @return HelperSet A HelperSet instance
     *
     * @api
     */
    public function getHelperSet();

    /**
     * Returns the canonical name of this helper.
     *
     * @return string The canonical name
     *
     * @api
     */
    public function getName();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Formatter\OutputFormatter;

/**
 * The Formatter class provides helpers to format messages.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FormatterHelper extends Helper
{
    /**
     * Formats a message within a section.
     *
     * @param string $section The section name
     * @param string $message The message
     * @param string $style   The style to apply to the section
     *
     * @return string The format section
     */
    public function formatSection($section, $message, $style = 'info')
    {
        return sprintf('<%s>[%s]</%s> %s', $style, $section, $style, $message);
    }

    /**
     * Formats a message as a block of text.
     *
     * @param string|array $messages The message to write in the block
     * @param string       $style    The style to apply to the whole block
     * @param Boolean      $large    Whether to return a large block
     *
     * @return string The formatter message
     */
    public function formatBlock($messages, $style, $large = false)
    {
        $messages = (array) $messages;

        $len = 0;
        $lines = array();
        foreach ($messages as $message) {
            $message = OutputFormatter::escape($message);
            $lines[] = sprintf($large ? '  %s  ' : ' %s ', $message);
            $len = max($this->strlen($message) + ($large ? 4 : 2), $len);
        }

        $messages = $large ? array(str_repeat(' ', $len)) : array();
        foreach ($lines as $line) {
            $messages[] = $line.str_repeat(' ', $len - $this->strlen($line));
        }
        if ($large) {
            $messages[] = str_repeat(' ', $len);
        }

        foreach ($messages as &$message) {
            $message = sprintf('<%s>%s</%s>', $style, $message, $style);
        }

        return implode("\n", $messages);
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        return 'formatter';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Output\OutputInterface;
use InvalidArgumentException;

/**
 * Provides helpers to display table output.
 *
 * @author Саша Стаменковић <umpirsky@gmail.com>
 */
class TableHelper extends Helper
{
    const LAYOUT_DEFAULT = 0;
    const LAYOUT_BORDERLESS = 1;
    const LAYOUT_COMPACT = 2;

    /**
     * Table headers.
     *
     * @var array
     */
    private $headers = array();

    /**
     * Table rows.
     *
     * @var array
     */
    private $rows = array();

    // Rendering options
    private $paddingChar;
    private $horizontalBorderChar;
    private $verticalBorderChar;
    private $crossingChar;
    private $cellHeaderFormat;
    private $cellRowFormat;
    private $cellRowContentFormat;
    private $borderFormat;
    private $padType;

    /**
     * Column widths cache.
     *
     * @var array
     */
    private $columnWidths = array();

    /**
     * Number of columns cache.
     *
     * @var array
     */
    private $numberOfColumns;

    /**
     * @var OutputInterface
     */
    private $output;

    public function __construct()
    {
        $this->setLayout(self::LAYOUT_DEFAULT);
    }

    /**
     * Sets table layout type.
     *
     * @param int $layout self::LAYOUT_*
     *
     * @return TableHelper
     */
    public function setLayout($layout)
    {
        switch ($layout) {
            case self::LAYOUT_BORDERLESS:
                $this
                    ->setPaddingChar(' ')
                    ->setHorizontalBorderChar('=')
                    ->setVerticalBorderChar(' ')
                    ->setCrossingChar(' ')
                    ->setCellHeaderFormat('<info>%s</info>')
                    ->setCellRowFormat('%s')
                    ->setCellRowContentFormat(' %s ')
                    ->setBorderFormat('%s')
                    ->setPadType(STR_PAD_RIGHT)
                ;
                break;

            case self::LAYOUT_COMPACT:
                $this
                    ->setPaddingChar(' ')
                    ->setHorizontalBorderChar('')
                    ->setVerticalBorderChar(' ')
                    ->setCrossingChar('')
                    ->setCellHeaderFormat('<info>%s</info>')
                    ->setCellRowFormat('%s')
                    ->setCellRowContentFormat('%s')
                    ->setBorderFormat('%s')
                    ->setPadType(STR_PAD_RIGHT)
                ;
                break;

            case self::LAYOUT_DEFAULT:
                $this
                    ->setPaddingChar(' ')
                    ->setHorizontalBorderChar('-')
                    ->setVerticalBorderChar('|')
                    ->setCrossingChar('+')
                    ->setCellHeaderFormat('<info>%s</info>')
                    ->setCellRowFormat('%s')
                    ->setCellRowContentFormat(' %s ')
                    ->setBorderFormat('%s')
                    ->setPadType(STR_PAD_RIGHT)
                ;
                break;

            default:
                throw new InvalidArgumentException(sprintf('Invalid table layout "%s".', $layout));
                break;
        };

        return $this;
    }

    public function setHeaders(array $headers)
    {
        $this->headers = array_values($headers);

        return $this;
    }

    public function setRows(array $rows)
    {
        $this->rows = array();

        return $this->addRows($rows);
    }

    public function addRows(array $rows)
    {
        foreach ($rows as $row) {
            $this->addRow($row);
        }

        return $this;
    }

    public function addRow(array $row)
    {
        $this->rows[] = array_values($row);

        $keys = array_keys($this->rows);
        $rowKey = array_pop($keys);

        foreach ($row as $key => $cellValue) {
            if (!strstr($cellValue, "\n")) {
                continue;
            }

            $lines = explode("\n", $cellValue);
            $this->rows[$rowKey][$key] = $lines[0];
            unset($lines[0]);

            foreach ($lines as $lineKey => $line) {
                $nextRowKey = $rowKey + $lineKey + 1;

                if (isset($this->rows[$nextRowKey])) {
                    $this->rows[$nextRowKey][$key] = $line;
                } else {
                    $this->rows[$nextRowKey] = array($key => $line);
                }
            }
        }

        return $this;
    }

    public function setRow($column, array $row)
    {
        $this->rows[$column] = $row;

        return $this;
    }

    /**
     * Sets padding character, used for cell padding.
     *
     * @param string $paddingChar
     *
     * @return TableHelper
     */
    public function setPaddingChar($paddingChar)
    {
        if (!$paddingChar) {
            throw new \LogicException('The padding char must not be empty');
        }

        $this->paddingChar = $paddingChar;

        return $this;
    }

    /**
     * Sets horizontal border character.
     *
     * @param string $horizontalBorderChar
     *
     * @return TableHelper
     */
    public function setHorizontalBorderChar($horizontalBorderChar)
    {
        $this->horizontalBorderChar = $horizontalBorderChar;

        return $this;
    }

    /**
     * Sets vertical border character.
     *
     * @param string $verticalBorderChar
     *
     * @return TableHelper
     */
    public function setVerticalBorderChar($verticalBorderChar)
    {
        $this->verticalBorderChar = $verticalBorderChar;

        return $this;
    }

    /**
     * Sets crossing character.
     *
     * @param string $crossingChar
     *
     * @return TableHelper
     */
    public function setCrossingChar($crossingChar)
    {
        $this->crossingChar = $crossingChar;

        return $this;
    }

    /**
     * Sets header cell format.
     *
     * @param string $cellHeaderFormat
     *
     * @return TableHelper
     */
    public function setCellHeaderFormat($cellHeaderFormat)
    {
        $this->cellHeaderFormat = $cellHeaderFormat;

        return $this;
    }

    /**
     * Sets row cell format.
     *
     * @param string $cellRowFormat
     *
     * @return TableHelper
     */
    public function setCellRowFormat($cellRowFormat)
    {
        $this->cellRowFormat = $cellRowFormat;

        return $this;
    }

    /**
     * Sets row cell content format.
     *
     * @param string $cellRowContentFormat
     *
     * @return TableHelper
     */
    public function setCellRowContentFormat($cellRowContentFormat)
    {
        $this->cellRowContentFormat = $cellRowContentFormat;

        return $this;
    }

    /**
     * Sets table border format.
     *
     * @param string $borderFormat
     *
     * @return TableHelper
     */
    public function setBorderFormat($borderFormat)
    {
        $this->borderFormat = $borderFormat;

        return $this;
    }

    /**
     * Sets cell padding type.
     *
     * @param integer $padType STR_PAD_*
     *
     * @return TableHelper
     */
    public function setPadType($padType)
    {
        $this->padType = $padType;

        return $this;
    }

    /**
     * Renders table to output.
     *
     * Example:
     * +---------------+-----------------------+------------------+
     * | ISBN          | Title                 | Author           |
     * +---------------+-----------------------+------------------+
     * | 99921-58-10-7 | Divine Comedy         | Dante Alighieri  |
     * | 9971-5-0210-0 | A Tale of Two Cities  | Charles Dickens  |
     * | 960-425-059-0 | The Lord of the Rings | J. R. R. Tolkien |
     * +---------------+-----------------------+------------------+
     *
     * @param OutputInterface $output
     */
    public function render(OutputInterface $output)
    {
        $this->output = $output;

        $this->renderRowSeparator();
        $this->renderRow($this->headers, $this->cellHeaderFormat);
        if (!empty($this->headers)) {
            $this->renderRowSeparator();
        }
        foreach ($this->rows as $row) {
            $this->renderRow($row, $this->cellRowFormat);
        }
        if (!empty($this->rows)) {
            $this->renderRowSeparator();
        }

        $this->cleanup();
    }

    /**
     * Renders horizontal header separator.
     *
     * Example: +-----+-----------+-------+
     */
    private function renderRowSeparator()
    {
        if (0 === $count = $this->getNumberOfColumns()) {
            return;
        }

        if (!$this->horizontalBorderChar && !$this->crossingChar) {
            return;
        }

        $markup = $this->crossingChar;
        for ($column = 0; $column < $count; $column++) {
            $markup .= str_repeat($this->horizontalBorderChar, $this->getColumnWidth($column)).$this->crossingChar;
        }

        $this->output->writeln(sprintf($this->borderFormat, $markup));
    }

    /**
     * Renders vertical column separator.
     */
    private function renderColumnSeparator()
    {
        $this->output->write(sprintf($this->borderFormat, $this->verticalBorderChar));
    }

    /**
     * Renders table row.
     *
     * Example: | 9971-5-0210-0 | A Tale of Two Cities  | Charles Dickens  |
     *
     * @param array  $row
     * @param string $cellFormat
     */
    private function renderRow(array $row, $cellFormat)
    {
        if (empty($row)) {
            return;
        }

        $this->renderColumnSeparator();
        for ($column = 0, $count = $this->getNumberOfColumns(); $column < $count; $column++) {
            $this->renderCell($row, $column, $cellFormat);
            $this->renderColumnSeparator();
        }
        $this->output->writeln('');
    }

    /**
     * Renders table cell with padding.
     *
     * @param array   $row
     * @param integer $column
     * @param string  $cellFormat
     */
    private function renderCell(array $row, $column, $cellFormat)
    {
        $cell = isset($row[$column]) ? $row[$column] : '';
        $width = $this->getColumnWidth($column);

        // str_pad won't work properly with multi-byte strings, we need to fix the padding
        if (function_exists('mb_strlen') && false !== $encoding = mb_detect_encoding($cell)) {
            $width += strlen($cell) - mb_strlen($cell, $encoding);
        }

        $width += $this->strlen($cell) - $this->computeLengthWithoutDecoration($cell);

        $content = sprintf($this->cellRowContentFormat, $cell);

        $this->output->write(sprintf($cellFormat, str_pad($content, $width, $this->paddingChar, $this->padType)));
    }

    /**
     * Gets number of columns for this table.
     *
     * @return int
     */
    private function getNumberOfColumns()
    {
        if (null !== $this->numberOfColumns) {
            return $this->numberOfColumns;
        }

        $columns = array(0);
        $columns[] = count($this->headers);
        foreach ($this->rows as $row) {
            $columns[] = count($row);
        }

        return $this->numberOfColumns = max($columns);
    }

    /**
     * Gets column width.
     *
     * @param integer $column
     *
     * @return int
     */
    private function getColumnWidth($column)
    {
        if (isset($this->columnWidths[$column])) {
            return $this->columnWidths[$column];
        }

        $lengths = array(0);
        $lengths[] = $this->getCellWidth($this->headers, $column);
        foreach ($this->rows as $row) {
            $lengths[] = $this->getCellWidth($row, $column);
        }

        return $this->columnWidths[$column] = max($lengths) + strlen($this->cellRowContentFormat) - 2;
    }

    /**
     * Gets cell width.
     *
     * @param array   $row
     * @param integer $column
     *
     * @return int
     */
    private function getCellWidth(array $row, $column)
    {
        return isset($row[$column]) ? $this->computeLengthWithoutDecoration($row[$column]) : 0;
    }

    /**
     * Called after rendering to cleanup cache data.
     */
    private function cleanup()
    {
        $this->columnWidths = array();
        $this->numberOfColumns = null;
    }

    private function computeLengthWithoutDecoration($string)
    {
        $formatter = $this->output->getFormatter();
        $isDecorated = $formatter->isDecorated();
        $formatter->setDecorated(false);

        $string = $formatter->format($string);
        $formatter->setDecorated($isDecorated);

        return $this->strlen($string);
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        return 'table';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Descriptor\DescriptorInterface;
use Symfony\Component\Console\Descriptor\JsonDescriptor;
use Symfony\Component\Console\Descriptor\MarkdownDescriptor;
use Symfony\Component\Console\Descriptor\TextDescriptor;
use Symfony\Component\Console\Descriptor\XmlDescriptor;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * This class adds helper method to describe objects in various formats.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class DescriptorHelper extends Helper
{
    /**
     * @var DescriptorInterface[]
     */
    private $descriptors = array();

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this
            ->register('txt',  new TextDescriptor())
            ->register('xml',  new XmlDescriptor())
            ->register('json', new JsonDescriptor())
            ->register('md',   new MarkdownDescriptor())
        ;
    }

    /**
     * Describes an object if supported.
     *
     * Available options are:
     * * format: string, the output format name
     * * raw_text: boolean, sets output type as raw
     *
     * @param OutputInterface $output
     * @param object          $object
     * @param array           $options
     *
     * @throws \InvalidArgumentException
     */
    public function describe(OutputInterface $output, $object, array $options = array())
    {
        $options = array_merge(array(
            'raw_text'  => false,
            'format'    => 'txt',
        ), $options);

        if (!isset($this->descriptors[$options['format']])) {
            throw new \InvalidArgumentException(sprintf('Unsupported format "%s".', $options['format']));
        }

        $descriptor = $this->descriptors[$options['format']];
        $descriptor->describe($output, $object, $options);
    }

    /**
     * Registers a descriptor.
     *
     * @param string              $format
     * @param DescriptorInterface $descriptor
     *
     * @return DescriptorHelper
     */
    public function register($format, DescriptorInterface $descriptor)
    {
        $this->descriptors[$format] = $descriptor;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'descriptor';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputAwareInterface;

/**
 * An implementation of InputAwareInterface for Helpers.
 *
 * @author Wouter J <waldio.webdesign@gmail.com>
 */
abstract class InputAwareHelper extends Helper implements InputAwareInterface
{
    protected $input;

    /**
     * {@inheritDoc}
     */
    public function setInput(InputInterface $input)
    {
        $this->input = $input;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Output\OutputInterface;

/**
 * The Progress class provides helpers to display progress output.
 *
 * @author Chris Jones <leeked@gmail.com>
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ProgressHelper extends Helper
{
    const FORMAT_QUIET         = ' %percent%%';
    const FORMAT_NORMAL        = ' %current%/%max% [%bar%] %percent%%';
    const FORMAT_VERBOSE       = ' %current%/%max% [%bar%] %percent%% Elapsed: %elapsed%';
    const FORMAT_QUIET_NOMAX   = ' %current%';
    const FORMAT_NORMAL_NOMAX  = ' %current% [%bar%]';
    const FORMAT_VERBOSE_NOMAX = ' %current% [%bar%] Elapsed: %elapsed%';

    // options
    private $barWidth     = 28;
    private $barChar      = '=';
    private $emptyBarChar = '-';
    private $progressChar = '>';
    private $format       = null;
    private $redrawFreq   = 1;

    private $lastMessagesLength;
    private $barCharOriginal;

    /**
     * @var OutputInterface
     */
    private $output;

    /**
     * Current step
     *
     * @var integer
     */
    private $current;

    /**
     * Maximum number of steps
     *
     * @var integer
     */
    private $max;

    /**
     * Start time of the progress bar
     *
     * @var integer
     */
    private $startTime;

    /**
     * List of formatting variables
     *
     * @var array
     */
    private $defaultFormatVars = array(
        'current',
        'max',
        'bar',
        'percent',
        'elapsed',
    );

    /**
     * Available formatting variables
     *
     * @var array
     */
    private $formatVars;

    /**
     * Stored format part widths (used for padding)
     *
     * @var array
     */
    private $widths = array(
        'current' => 4,
        'max'     => 4,
        'percent' => 3,
        'elapsed' => 6,
    );

    /**
     * Various time formats
     *
     * @var array
     */
    private $timeFormats = array(
        array(0, '???'),
        array(2, '1 sec'),
        array(59, 'secs', 1),
        array(60, '1 min'),
        array(3600, 'mins', 60),
        array(5400, '1 hr'),
        array(86400, 'hrs', 3600),
        array(129600, '1 day'),
        array(604800, 'days', 86400),
    );

    /**
     * Sets the progress bar width.
     *
     * @param int $size The progress bar size
     */
    public function setBarWidth($size)
    {
        $this->barWidth = (int) $size;
    }

    /**
     * Sets the bar character.
     *
     * @param string $char A character
     */
    public function setBarCharacter($char)
    {
        $this->barChar = $char;
    }

    /**
     * Sets the empty bar character.
     *
     * @param string $char A character
     */
    public function setEmptyBarCharacter($char)
    {
        $this->emptyBarChar = $char;
    }

    /**
     * Sets the progress bar character.
     *
     * @param string $char A character
     */
    public function setProgressCharacter($char)
    {
        $this->progressChar = $char;
    }

    /**
     * Sets the progress bar format.
     *
     * @param string $format The format
     */
    public function setFormat($format)
    {
        $this->format = $format;
    }

    /**
     * Sets the redraw frequency.
     *
     * @param int $freq The frequency in steps
     */
    public function setRedrawFrequency($freq)
    {
        $this->redrawFreq = (int) $freq;
    }

    /**
     * Starts the progress output.
     *
     * @param OutputInterface $output An Output instance
     * @param integer|null    $max    Maximum steps
     */
    public function start(OutputInterface $output, $max = null)
    {
        $this->startTime = time();
        $this->current   = 0;
        $this->max       = (int) $max;
        $this->output    = $output;
        $this->lastMessagesLength = 0;
        $this->barCharOriginal = '';

        if (null === $this->format) {
            switch ($output->getVerbosity()) {
                case OutputInterface::VERBOSITY_QUIET:
                    $this->format = self::FORMAT_QUIET_NOMAX;
                    if ($this->max > 0) {
                        $this->format = self::FORMAT_QUIET;
                    }
                    break;
                case OutputInterface::VERBOSITY_VERBOSE:
                case OutputInterface::VERBOSITY_VERY_VERBOSE:
                case OutputInterface::VERBOSITY_DEBUG:
                    $this->format = self::FORMAT_VERBOSE_NOMAX;
                    if ($this->max > 0) {
                        $this->format = self::FORMAT_VERBOSE;
                    }
                    break;
                default:
                    $this->format = self::FORMAT_NORMAL_NOMAX;
                    if ($this->max > 0) {
                        $this->format = self::FORMAT_NORMAL;
                    }
                    break;
            }
        }

        $this->initialize();
    }

    /**
     * Advances the progress output X steps.
     *
     * @param integer $step   Number of steps to advance
     * @param Boolean $redraw Whether to redraw or not
     *
     * @throws \LogicException
     */
    public function advance($step = 1, $redraw = false)
    {
        $this->setCurrent($this->current + $step, $redraw);
    }

    /**
     * Sets the current progress.
     *
     * @param integer $current The current progress
     * @param Boolean $redraw  Whether to redraw or not
     *
     * @throws \LogicException
     */
    public function setCurrent($current, $redraw = false)
    {
        if (null === $this->startTime) {
            throw new \LogicException('You must start the progress bar before calling setCurrent().');
        }

        $current = (int) $current;

        if ($current < $this->current) {
            throw new \LogicException('You can\'t regress the progress bar');
        }

        if (0 === $this->current) {
            $redraw = true;
        }

        $prevPeriod = intval($this->current / $this->redrawFreq);

        $this->current = $current;

        $currPeriod = intval($this->current / $this->redrawFreq);
        if ($redraw || $prevPeriod !== $currPeriod || $this->max === $this->current) {
            $this->display();
        }
    }

    /**
     * Outputs the current progress string.
     *
     * @param Boolean $finish Forces the end result
     *
     * @throws \LogicException
     */
    public function display($finish = false)
    {
        if (null === $this->startTime) {
            throw new \LogicException('You must start the progress bar before calling display().');
        }

        $message = $this->format;
        foreach ($this->generate($finish) as $name => $value) {
            $message = str_replace("%{$name}%", $value, $message);
        }
        $this->overwrite($this->output, $message);
    }

    /**
     * Removes the progress bar from the current line.
     *
     * This is useful if you wish to write some output
     * while a progress bar is running.
     * Call display() to show the progress bar again.
     */
    public function clear()
    {
        $this->overwrite($this->output, '');
    }

    /**
     * Finishes the progress output.
     */
    public function finish()
    {
        if (null === $this->startTime) {
            throw new \LogicException('You must start the progress bar before calling finish().');
        }

        if (null !== $this->startTime) {
            if (!$this->max) {
                $this->barChar = $this->barCharOriginal;
                $this->display(true);
            }
            $this->startTime = null;
            $this->output->writeln('');
            $this->output = null;
        }
    }

    /**
     * Initializes the progress helper.
     */
    private function initialize()
    {
        $this->formatVars = array();
        foreach ($this->defaultFormatVars as $var) {
            if (false !== strpos($this->format, "%{$var}%")) {
                $this->formatVars[$var] = true;
            }
        }

        if ($this->max > 0) {
            $this->widths['max']     = $this->strlen($this->max);
            $this->widths['current'] = $this->widths['max'];
        } else {
            $this->barCharOriginal = $this->barChar;
            $this->barChar         = $this->emptyBarChar;
        }
    }

    /**
     * Generates the array map of format variables to values.
     *
     * @param Boolean $finish Forces the end result
     *
     * @return array Array of format vars and values
     */
    private function generate($finish = false)
    {
        $vars    = array();
        $percent = 0;
        if ($this->max > 0) {
            $percent = (float) $this->current / $this->max;
        }

        if (isset($this->formatVars['bar'])) {
            $completeBars = 0;

            if ($this->max > 0) {
                $completeBars = floor($percent * $this->barWidth);
            } else {
                if (!$finish) {
                    $completeBars = floor($this->current % $this->barWidth);
                } else {
                    $completeBars = $this->barWidth;
                }
            }

            $emptyBars = $this->barWidth - $completeBars - $this->strlen($this->progressChar);
            $bar = str_repeat($this->barChar, $completeBars);
            if ($completeBars < $this->barWidth) {
                $bar .= $this->progressChar;
                $bar .= str_repeat($this->emptyBarChar, $emptyBars);
            }

            $vars['bar'] = $bar;
        }

        if (isset($this->formatVars['elapsed'])) {
            $elapsed = time() - $this->startTime;
            $vars['elapsed'] = str_pad($this->humaneTime($elapsed), $this->widths['elapsed'], ' ', STR_PAD_LEFT);
        }

        if (isset($this->formatVars['current'])) {
            $vars['current'] = str_pad($this->current, $this->widths['current'], ' ', STR_PAD_LEFT);
        }

        if (isset($this->formatVars['max'])) {
            $vars['max'] = $this->max;
        }

        if (isset($this->formatVars['percent'])) {
            $vars['percent'] = str_pad(floor($percent * 100), $this->widths['percent'], ' ', STR_PAD_LEFT);
        }

        return $vars;
    }

    /**
     * Converts seconds into human-readable format.
     *
     * @param integer $secs Number of seconds
     *
     * @return string Time in readable format
     */
    private function humaneTime($secs)
    {
        $text = '';
        foreach ($this->timeFormats as $format) {
            if ($secs < $format[0]) {
                if (count($format) == 2) {
                    $text = $format[1];
                    break;
                } else {
                    $text = ceil($secs / $format[2]).' '.$format[1];
                    break;
                }
            }
        }

        return $text;
    }

    /**
     * Overwrites a previous message to the output.
     *
     * @param OutputInterface $output   An Output instance
     * @param string          $message  The message
     */
    private function overwrite(OutputInterface $output, $message)
    {
        $length = $this->strlen($message);

        // append whitespace to match the last line's length
        if (null !== $this->lastMessagesLength && $this->lastMessagesLength > $length) {
            $message = str_pad($message, $this->lastMessagesLength, "\x20", STR_PAD_RIGHT);
        }

        // carriage return
        $output->write("\x0D");
        $output->write($message);

        $this->lastMessagesLength = $this->strlen($message);
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        return 'progress';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Formatter\OutputFormatterStyle;

/**
 * The Dialog class provides helpers to interact with the user.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DialogHelper extends InputAwareHelper
{
    private $inputStream;
    private static $shell;
    private static $stty;

    /**
     * Asks the user to select a value.
     *
     * @param OutputInterface $output       An Output instance
     * @param string|array    $question     The question to ask
     * @param array           $choices      List of choices to pick from
     * @param Boolean|string  $default      The default answer if the user enters nothing
     * @param Boolean|integer $attempts Max number of times to ask before giving up (false by default, which means infinite)
     * @param string          $errorMessage Message which will be shown if invalid value from choice list would be picked
     * @param Boolean         $multiselect  Select more than one value separated by comma
     *
     * @return integer|string|array The selected value or values (the key of the choices array)
     *
     * @throws \InvalidArgumentException
     */
    public function select(OutputInterface $output, $question, $choices, $default = null, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false)
    {
        $width = max(array_map('strlen', array_keys($choices)));

        $messages = (array) $question;
        foreach ($choices as $key => $value) {
            $messages[] = sprintf("  [<info>%-${width}s</info>] %s", $key, $value);
        }

        $output->writeln($messages);

        $result = $this->askAndValidate($output, '> ', function ($picked) use ($choices, $errorMessage, $multiselect) {
            // Collapse all spaces.
            $selectedChoices = str_replace(" ", "", $picked);

            if ($multiselect) {
                // Check for a separated comma values
                if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
                    throw new \InvalidArgumentException(sprintf($errorMessage, $picked));
                }
                $selectedChoices = explode(",", $selectedChoices);
            } else {
                $selectedChoices = array($picked);
            }

            $multiselectChoices = array();

            foreach ($selectedChoices as $value) {
                if (empty($choices[$value])) {
                    throw new \InvalidArgumentException(sprintf($errorMessage, $value));
                }
                array_push($multiselectChoices, $value);
            }

            if ($multiselect) {
                return $multiselectChoices;
            }

            return $picked;
        }, $attempts, $default);

        return $result;
    }

    /**
     * Asks a question to the user.
     *
     * @param OutputInterface $output       An Output instance
     * @param string|array    $question     The question to ask
     * @param string          $default      The default answer if none is given by the user
     * @param array           $autocomplete List of values to autocomplete
     *
     * @return string The user answer
     *
     * @throws \RuntimeException If there is no data to read in the input stream
     */
    public function ask(OutputInterface $output, $question, $default = null, array $autocomplete = null)
    {
        if ($this->input && !$this->input->isInteractive()) {
            return $default;
        }

        $output->write($question);

        $inputStream = $this->inputStream ?: STDIN;

        if (null === $autocomplete || !$this->hasSttyAvailable()) {
            $ret = fgets($inputStream, 4096);
            if (false === $ret) {
                throw new \RuntimeException('Aborted');
            }
            $ret = trim($ret);
        } else {
            $ret = '';

            $i = 0;
            $ofs = -1;
            $matches = $autocomplete;
            $numMatches = count($matches);

            $sttyMode = shell_exec('stty -g');

            // Disable icanon (so we can fread each keypress) and echo (we'll do echoing here instead)
            shell_exec('stty -icanon -echo');

            // Add highlighted text style
            $output->getFormatter()->setStyle('hl', new OutputFormatterStyle('black', 'white'));

            // Read a keypress
            while (!feof($inputStream)) {
                $c = fread($inputStream, 1);

                // Backspace Character
                if ("\177" === $c) {
                    if (0 === $numMatches && 0 !== $i) {
                        $i--;
                        // Move cursor backwards
                        $output->write("\033[1D");
                    }

                    if ($i === 0) {
                        $ofs = -1;
                        $matches = $autocomplete;
                        $numMatches = count($matches);
                    } else {
                        $numMatches = 0;
                    }

                    // Pop the last character off the end of our string
                    $ret = substr($ret, 0, $i);
                } elseif ("\033" === $c) { // Did we read an escape sequence?
                    $c .= fread($inputStream, 2);

                    // A = Up Arrow. B = Down Arrow
                    if ('A' === $c[2] || 'B' === $c[2]) {
                        if ('A' === $c[2] && -1 === $ofs) {
                            $ofs = 0;
                        }

                        if (0 === $numMatches) {
                            continue;
                        }

                        $ofs += ('A' === $c[2]) ? -1 : 1;
                        $ofs = ($numMatches + $ofs) % $numMatches;
                    }
                } elseif (ord($c) < 32) {
                    if ("\t" === $c || "\n" === $c) {
                        if ($numMatches > 0 && -1 !== $ofs) {
                            $ret = $matches[$ofs];
                            // Echo out remaining chars for current match
                            $output->write(substr($ret, $i));
                            $i = strlen($ret);
                        }

                        if ("\n" === $c) {
                            $output->write($c);
                            break;
                        }

                        $numMatches = 0;
                    }

                    continue;
                } else {
                    $output->write($c);
                    $ret .= $c;
                    $i++;

                    $numMatches = 0;
                    $ofs = 0;

                    foreach ($autocomplete as $value) {
                        // If typed characters match the beginning chunk of value (e.g. [AcmeDe]moBundle)
                        if (0 === strpos($value, $ret) && $i !== strlen($value)) {
                            $matches[$numMatches++] = $value;
                        }
                    }
                }

                // Erase characters from cursor to end of line
                $output->write("\033[K");

                if ($numMatches > 0 && -1 !== $ofs) {
                    // Save cursor position
                    $output->write("\0337");
                    // Write highlighted text
                    $output->write('<hl>'.substr($matches[$ofs], $i).'</hl>');
                    // Restore cursor position
                    $output->write("\0338");
                }
            }

            // Reset stty so it behaves normally again
            shell_exec(sprintf('stty %s', $sttyMode));
        }

        return strlen($ret) > 0 ? $ret : $default;
    }

    /**
     * Asks a confirmation to the user.
     *
     * The question will be asked until the user answers by nothing, yes, or no.
     *
     * @param OutputInterface $output   An Output instance
     * @param string|array    $question The question to ask
     * @param Boolean         $default  The default answer if the user enters nothing
     *
     * @return Boolean true if the user has confirmed, false otherwise
     */
    public function askConfirmation(OutputInterface $output, $question, $default = true)
    {
        $answer = 'z';
        while ($answer && !in_array(strtolower($answer[0]), array('y', 'n'))) {
            $answer = $this->ask($output, $question);
        }

        if (false === $default) {
            return $answer && 'y' == strtolower($answer[0]);
        }

        return !$answer || 'y' == strtolower($answer[0]);
    }

    /**
     * Asks a question to the user, the response is hidden
     *
     * @param OutputInterface $output   An Output instance
     * @param string|array    $question The question
     * @param Boolean         $fallback In case the response can not be hidden, whether to fallback on non-hidden question or not
     *
     * @return string         The answer
     *
     * @throws \RuntimeException In case the fallback is deactivated and the response can not be hidden
     */
    public function askHiddenResponse(OutputInterface $output, $question, $fallback = true)
    {
        if (defined('PHP_WINDOWS_VERSION_BUILD')) {
            $exe = __DIR__.'/../Resources/bin/hiddeninput.exe';

            // handle code running from a phar
            if ('phar:' === substr(__FILE__, 0, 5)) {
                $tmpExe = sys_get_temp_dir().'/hiddeninput.exe';
                copy($exe, $tmpExe);
                $exe = $tmpExe;
            }

            $output->write($question);
            $value = rtrim(shell_exec($exe));
            $output->writeln('');

            if (isset($tmpExe)) {
                unlink($tmpExe);
            }

            return $value;
        }

        if ($this->hasSttyAvailable()) {
            $output->write($question);

            $sttyMode = shell_exec('stty -g');

            shell_exec('stty -echo');
            $value = fgets($this->inputStream ?: STDIN, 4096);
            shell_exec(sprintf('stty %s', $sttyMode));

            if (false === $value) {
                throw new \RuntimeException('Aborted');
            }

            $value = trim($value);
            $output->writeln('');

            return $value;
        }

        if (false !== $shell = $this->getShell()) {
            $output->write($question);
            $readCmd = $shell === 'csh' ? 'set mypassword = $<' : 'read -r mypassword';
            $command = sprintf("/usr/bin/env %s -c 'stty -echo; %s; stty echo; echo \$mypassword'", $shell, $readCmd);
            $value = rtrim(shell_exec($command));
            $output->writeln('');

            return $value;
        }

        if ($fallback) {
            return $this->ask($output, $question);
        }

        throw new \RuntimeException('Unable to hide the response');
    }

    /**
     * Asks for a value and validates the response.
     *
     * The validator receives the data to validate. It must return the
     * validated data when the data is valid and throw an exception
     * otherwise.
     *
     * @param OutputInterface $output       An Output instance
     * @param string|array    $question     The question to ask
     * @param callable        $validator    A PHP callback
     * @param integer         $attempts     Max number of times to ask before giving up (false by default, which means infinite)
     * @param string          $default      The default answer if none is given by the user
     * @param array           $autocomplete List of values to autocomplete
     *
     * @return mixed
     *
     * @throws \Exception When any of the validators return an error
     */
    public function askAndValidate(OutputInterface $output, $question, $validator, $attempts = false, $default = null, array $autocomplete = null)
    {
        $that = $this;

        $interviewer = function () use ($output, $question, $default, $autocomplete, $that) {
            return $that->ask($output, $question, $default, $autocomplete);
        };

        return $this->validateAttempts($interviewer, $output, $validator, $attempts);
    }

    /**
     * Asks for a value, hide and validates the response.
     *
     * The validator receives the data to validate. It must return the
     * validated data when the data is valid and throw an exception
     * otherwise.
     *
     * @param OutputInterface $output    An Output instance
     * @param string|array    $question  The question to ask
     * @param callable        $validator A PHP callback
     * @param integer         $attempts  Max number of times to ask before giving up (false by default, which means infinite)
     * @param Boolean         $fallback  In case the response can not be hidden, whether to fallback on non-hidden question or not
     *
     * @return string         The response
     *
     * @throws \Exception        When any of the validators return an error
     * @throws \RuntimeException In case the fallback is deactivated and the response can not be hidden
     *
     */
    public function askHiddenResponseAndValidate(OutputInterface $output, $question, $validator, $attempts = false, $fallback = true)
    {
        $that = $this;

        $interviewer = function () use ($output, $question, $fallback, $that) {
            return $that->askHiddenResponse($output, $question, $fallback);
        };

        return $this->validateAttempts($interviewer, $output, $validator, $attempts);
    }

    /**
     * Sets the input stream to read from when interacting with the user.
     *
     * This is mainly useful for testing purpose.
     *
     * @param resource $stream The input stream
     */
    public function setInputStream($stream)
    {
        $this->inputStream = $stream;
    }

    /**
     * Returns the helper's input stream
     *
     * @return string
     */
    public function getInputStream()
    {
        return $this->inputStream;
    }

    /**
     * {@inheritDoc}
     */
    public function getName()
    {
        return 'dialog';
    }

    /**
     * Return a valid Unix shell
     *
     * @return string|Boolean  The valid shell name, false in case no valid shell is found
     */
    private function getShell()
    {
        if (null !== self::$shell) {
            return self::$shell;
        }

        self::$shell = false;

        if (file_exists('/usr/bin/env')) {
            // handle other OSs with bash/zsh/ksh/csh if available to hide the answer
            $test = "/usr/bin/env %s -c 'echo OK' 2> /dev/null";
            foreach (array('bash', 'zsh', 'ksh', 'csh') as $sh) {
                if ('OK' === rtrim(shell_exec(sprintf($test, $sh)))) {
                    self::$shell = $sh;
                    break;
                }
            }
        }

        return self::$shell;
    }

    private function hasSttyAvailable()
    {
        if (null !== self::$stty) {
            return self::$stty;
        }

        exec('stty 2>&1', $output, $exitcode);

        return self::$stty = $exitcode === 0;
    }

    /**
     * Validate an attempt
     *
     * @param callable         $interviewer  A callable that will ask for a question and return the result
     * @param OutputInterface  $output       An Output instance
     * @param callable         $validator    A PHP callback
     * @param integer          $attempts     Max number of times to ask before giving up ; false will ask infinitely
     *
     * @return string   The validated response
     *
     * @throws \Exception In case the max number of attempts has been reached and no valid response has been given
     */
    private function validateAttempts($interviewer, OutputInterface $output, $validator, $attempts)
    {
        $error = null;
        while (false === $attempts || $attempts--) {
            if (null !== $error) {
                $output->writeln($this->getHelperSet()->get('formatter')->formatBlock($error->getMessage(), 'error'));
            }

            try {
                return call_user_func($validator, $interviewer());
            } catch (\Exception $error) {
            }
        }

        throw $error;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

/**
 * Helper is the base class for all helper classes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class Helper implements HelperInterface
{
    protected $helperSet = null;

    /**
     * Sets the helper set associated with this helper.
     *
     * @param HelperSet $helperSet A HelperSet instance
     */
    public function setHelperSet(HelperSet $helperSet = null)
    {
        $this->helperSet = $helperSet;
    }

    /**
     * Gets the helper set associated with this helper.
     *
     * @return HelperSet A HelperSet instance
     */
    public function getHelperSet()
    {
        return $this->helperSet;
    }

    /**
     * Returns the length of a string, using mb_strlen if it is available.
     *
     * @param string $string The string to check its length
     *
     * @return integer The length of the string
     */
    protected function strlen($string)
    {
        if (!function_exists('mb_strlen')) {
            return strlen($string);
        }

        if (false === $encoding = mb_detect_encoding($string)) {
            return strlen($string);
        }

        return mb_strlen($string, $encoding);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Command\Command;

/**
 * HelperSet represents a set of helpers to be used with a command.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class HelperSet implements \IteratorAggregate
{
    private $helpers = array();
    private $command;

    /**
     * Constructor.
     *
     * @param Helper[] $helpers An array of helper.
     */
    public function __construct(array $helpers = array())
    {
        foreach ($helpers as $alias => $helper) {
            $this->set($helper, is_int($alias) ? null : $alias);
        }
    }

    /**
     * Sets a helper.
     *
     * @param HelperInterface $helper The helper instance
     * @param string          $alias  An alias
     */
    public function set(HelperInterface $helper, $alias = null)
    {
        $this->helpers[$helper->getName()] = $helper;
        if (null !== $alias) {
            $this->helpers[$alias] = $helper;
        }

        $helper->setHelperSet($this);
    }

    /**
     * Returns true if the helper if defined.
     *
     * @param string $name The helper name
     *
     * @return Boolean true if the helper is defined, false otherwise
     */
    public function has($name)
    {
        return isset($this->helpers[$name]);
    }

    /**
     * Gets a helper value.
     *
     * @param string $name The helper name
     *
     * @return HelperInterface The helper instance
     *
     * @throws \InvalidArgumentException if the helper is not defined
     */
    public function get($name)
    {
        if (!$this->has($name)) {
            throw new \InvalidArgumentException(sprintf('The helper "%s" is not defined.', $name));
        }

        return $this->helpers[$name];
    }

    /**
     * Sets the command associated with this helper set.
     *
     * @param Command $command A Command instance
     */
    public function setCommand(Command $command = null)
    {
        $this->command = $command;
    }

    /**
     * Gets the command associated with this helper set.
     *
     * @return Command A Command instance
     */
    public function getCommand()
    {
        return $this->command;
    }

    public function getIterator()
    {
        return new \ArrayIterator($this->helpers);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Tester;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\StreamOutput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Eases the testing of console commands.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class CommandTester
{
    private $command;
    private $input;
    private $output;
    private $statusCode;

    /**
     * Constructor.
     *
     * @param Command $command A Command instance to test.
     */
    public function __construct(Command $command)
    {
        $this->command = $command;
    }

    /**
     * Executes the command.
     *
     * Available options:
     *
     *  * interactive: Sets the input interactive flag
     *  * decorated:   Sets the output decorated flag
     *  * verbosity:   Sets the output verbosity flag
     *
     * @param array $input   An array of arguments and options
     * @param array $options An array of options
     *
     * @return integer The command exit code
     */
    public function execute(array $input, array $options = array())
    {
        // set the command name automatically if the application requires
        // this argument and no command name was passed
        if (!isset($input['command'])
            && (null !== $application = $this->command->getApplication())
            && $application->getDefinition()->hasArgument('command')
        ) {
            $input['command'] = $this->command->getName();
        }

        $this->input = new ArrayInput($input);
        if (isset($options['interactive'])) {
            $this->input->setInteractive($options['interactive']);
        }

        $this->output = new StreamOutput(fopen('php://memory', 'w', false));
        if (isset($options['decorated'])) {
            $this->output->setDecorated($options['decorated']);
        }
        if (isset($options['verbosity'])) {
            $this->output->setVerbosity($options['verbosity']);
        }

        return $this->statusCode = $this->command->run($this->input, $this->output);
    }

    /**
     * Gets the display returned by the last execution of the command.
     *
     * @param Boolean $normalize Whether to normalize end of lines to \n or not
     *
     * @return string The display
     */
    public function getDisplay($normalize = false)
    {
        rewind($this->output->getStream());

        $display = stream_get_contents($this->output->getStream());

        if ($normalize) {
            $display = str_replace(PHP_EOL, "\n", $display);
        }

        return $display;
    }

    /**
     * Gets the input instance used by the last execution of the command.
     *
     * @return InputInterface The current input instance
     */
    public function getInput()
    {
        return $this->input;
    }

    /**
     * Gets the output instance used by the last execution of the command.
     *
     * @return OutputInterface The current output instance
     */
    public function getOutput()
    {
        return $this->output;
    }

    /**
     * Gets the status code returned by the last execution of the application.
     *
     * @return integer The status code
     */
    public function getStatusCode()
    {
        return $this->statusCode;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Tester;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Output\StreamOutput;

/**
 * Eases the testing of console applications.
 *
 * When testing an application, don't forget to disable the auto exit flag:
 *
 *     $application = new Application();
 *     $application->setAutoExit(false);
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ApplicationTester
{
    private $application;
    private $input;
    private $output;
    private $statusCode;

    /**
     * Constructor.
     *
     * @param Application $application An Application instance to test.
     */
    public function __construct(Application $application)
    {
        $this->application = $application;
    }

    /**
     * Executes the application.
     *
     * Available options:
     *
     *  * interactive: Sets the input interactive flag
     *  * decorated:   Sets the output decorated flag
     *  * verbosity:   Sets the output verbosity flag
     *
     * @param array $input   An array of arguments and options
     * @param array $options An array of options
     *
     * @return integer The command exit code
     */
    public function run(array $input, $options = array())
    {
        $this->input = new ArrayInput($input);
        if (isset($options['interactive'])) {
            $this->input->setInteractive($options['interactive']);
        }

        $this->output = new StreamOutput(fopen('php://memory', 'w', false));
        if (isset($options['decorated'])) {
            $this->output->setDecorated($options['decorated']);
        }
        if (isset($options['verbosity'])) {
            $this->output->setVerbosity($options['verbosity']);
        }

        return $this->statusCode = $this->application->run($this->input, $this->output);
    }

    /**
     * Gets the display returned by the last execution of the application.
     *
     * @param Boolean $normalize Whether to normalize end of lines to \n or not
     *
     * @return string The display
     */
    public function getDisplay($normalize = false)
    {
        rewind($this->output->getStream());

        $display = stream_get_contents($this->output->getStream());

        if ($normalize) {
            $display = str_replace(PHP_EOL, "\n", $display);
        }

        return $display;
    }

    /**
     * Gets the input instance used by the last execution of the application.
     *
     * @return InputInterface The current input instance
     */
    public function getInput()
    {
        return $this->input;
    }

    /**
     * Gets the output instance used by the last execution of the application.
     *
     * @return OutputInterface The current output instance
     */
    public function getOutput()
    {
        return $this->output;
    }

    /**
     * Gets the status code returned by the last execution of the application.
     *
     * @return integer The status code
     */
    public function getStatusCode()
    {
        return $this->statusCode;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

/**
 * ConsoleOutputInterface is the interface implemented by ConsoleOutput class.
 * This adds information about stderr output stream.
 *
 * @author Dariusz Górecki <darek.krk@gmail.com>
 */
interface ConsoleOutputInterface extends OutputInterface
{
    /**
     * Gets the OutputInterface for errors.
     *
     * @return OutputInterface
     */
    public function getErrorOutput();

    /**
     * Sets the OutputInterface used for errors.
     *
     * @param OutputInterface $error
     */
    public function setErrorOutput(OutputInterface $error);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Formatter\OutputFormatter;

/**
 * Base class for output classes.
 *
 * There are five levels of verbosity:
 *
 *  * normal: no option passed (normal output)
 *  * verbose: -v (more output)
 *  * very verbose: -vv (highly extended output)
 *  * debug: -vvv (all debug output)
 *  * quiet: -q (no output)
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
abstract class Output implements OutputInterface
{
    private $verbosity;
    private $formatter;

    /**
     * Constructor.
     *
     * @param integer                       $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
     * @param Boolean                       $decorated Whether to decorate messages
     * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
     *
     * @api
     */
    public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = false, OutputFormatterInterface $formatter = null)
    {
        $this->verbosity = null === $verbosity ? self::VERBOSITY_NORMAL : $verbosity;
        $this->formatter = $formatter ?: new OutputFormatter();
        $this->formatter->setDecorated($decorated);
    }

    /**
     * {@inheritdoc}
     */
    public function setFormatter(OutputFormatterInterface $formatter)
    {
        $this->formatter = $formatter;
    }

    /**
     * {@inheritdoc}
     */
    public function getFormatter()
    {
        return $this->formatter;
    }

    /**
     * {@inheritdoc}
     */
    public function setDecorated($decorated)
    {
        $this->formatter->setDecorated($decorated);
    }

    /**
     * {@inheritdoc}
     */
    public function isDecorated()
    {
        return $this->formatter->isDecorated();
    }

    /**
     * {@inheritdoc}
     */
    public function setVerbosity($level)
    {
        $this->verbosity = (int) $level;
    }

    /**
     * {@inheritdoc}
     */
    public function getVerbosity()
    {
        return $this->verbosity;
    }

    public function isQuiet()
    {
        return self::VERBOSITY_QUIET === $this->verbosity;
    }

    public function isVerbose()
    {
        return self::VERBOSITY_VERBOSE <= $this->verbosity;
    }

    public function isVeryVerbose()
    {
        return self::VERBOSITY_VERY_VERBOSE <= $this->verbosity;
    }

    public function isDebug()
    {
        return self::VERBOSITY_DEBUG <= $this->verbosity;
    }

    /**
     * {@inheritdoc}
     */
    public function writeln($messages, $type = self::OUTPUT_NORMAL)
    {
        $this->write($messages, true, $type);
    }

    /**
     * {@inheritdoc}
     */
    public function write($messages, $newline = false, $type = self::OUTPUT_NORMAL)
    {
        if (self::VERBOSITY_QUIET === $this->verbosity) {
            return;
        }

        $messages = (array) $messages;

        foreach ($messages as $message) {
            switch ($type) {
                case OutputInterface::OUTPUT_NORMAL:
                    $message = $this->formatter->format($message);
                    break;
                case OutputInterface::OUTPUT_RAW:
                    break;
                case OutputInterface::OUTPUT_PLAIN:
                    $message = strip_tags($this->formatter->format($message));
                    break;
                default:
                    throw new \InvalidArgumentException(sprintf('Unknown output type given (%s)', $type));
            }

            $this->doWrite($message, $newline);
        }
    }

    /**
     * Writes a message to the output.
     *
     * @param string  $message A message to write to the output
     * @param Boolean $newline Whether to add a newline or not
     */
    abstract protected function doWrite($message, $newline);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;

/**
 * StreamOutput writes the output to a given stream.
 *
 * Usage:
 *
 * $output = new StreamOutput(fopen('php://stdout', 'w'));
 *
 * As `StreamOutput` can use any stream, you can also use a file:
 *
 * $output = new StreamOutput(fopen('/path/to/output.log', 'a', false));
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class StreamOutput extends Output
{
    private $stream;

    /**
     * Constructor.
     *
     * @param mixed                         $stream    A stream resource
     * @param integer                       $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
     * @param Boolean|null                  $decorated Whether to decorate messages (null for auto-guessing)
     * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
     *
     * @throws \InvalidArgumentException When first argument is not a real stream
     *
     * @api
     */
    public function __construct($stream, $verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
    {
        if (!is_resource($stream) || 'stream' !== get_resource_type($stream)) {
            throw new \InvalidArgumentException('The StreamOutput class needs a stream as its first argument.');
        }

        $this->stream = $stream;

        if (null === $decorated) {
            $decorated = $this->hasColorSupport();
        }

        parent::__construct($verbosity, $decorated, $formatter);
    }

    /**
     * Gets the stream attached to this StreamOutput instance.
     *
     * @return resource A stream resource
     */
    public function getStream()
    {
        return $this->stream;
    }

    /**
     * {@inheritdoc}
     */
    protected function doWrite($message, $newline)
    {
        if (false === @fwrite($this->stream, $message.($newline ? PHP_EOL : ''))) {
            // @codeCoverageIgnoreStart
            // should never happen
            throw new \RuntimeException('Unable to write output.');
            // @codeCoverageIgnoreEnd
        }

        fflush($this->stream);
    }

    /**
     * Returns true if the stream supports colorization.
     *
     * Colorization is disabled if not supported by the stream:
     *
     *  -  Windows without Ansicon and ConEmu
     *  -  non tty consoles
     *
     * @return Boolean true if the stream supports colorization, false otherwise
     */
    protected function hasColorSupport()
    {
        // @codeCoverageIgnoreStart
        if (DIRECTORY_SEPARATOR == '\\') {
            return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI');
        }

        return function_exists('posix_isatty') && @posix_isatty($this->stream);
        // @codeCoverageIgnoreEnd
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;

/**
 * ConsoleOutput is the default class for all CLI output. It uses STDOUT.
 *
 * This class is a convenient wrapper around `StreamOutput`.
 *
 *     $output = new ConsoleOutput();
 *
 * This is equivalent to:
 *
 *     $output = new StreamOutput(fopen('php://stdout', 'w'));
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
{
    private $stderr;

    /**
     * Constructor.
     *
     * @param integer                       $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
     * @param Boolean|null                  $decorated Whether to decorate messages (null for auto-guessing)
     * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
     *
     * @api
     */
    public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
    {
        $outputStream = 'php://stdout';
        if (!$this->hasStdoutSupport()) {
            $outputStream = 'php://output';
        }

        parent::__construct(fopen($outputStream, 'w'), $verbosity, $decorated, $formatter);

        $this->stderr = new StreamOutput(fopen('php://stderr', 'w'), $verbosity, $decorated, $formatter);
    }

    /**
     * {@inheritdoc}
     */
    public function setDecorated($decorated)
    {
        parent::setDecorated($decorated);
        $this->stderr->setDecorated($decorated);
    }

    /**
     * {@inheritdoc}
     */
    public function setFormatter(OutputFormatterInterface $formatter)
    {
        parent::setFormatter($formatter);
        $this->stderr->setFormatter($formatter);
    }

    /**
     * {@inheritdoc}
     */
    public function setVerbosity($level)
    {
        parent::setVerbosity($level);
        $this->stderr->setVerbosity($level);
    }

    /**
     * {@inheritdoc}
     */
    public function getErrorOutput()
    {
        return $this->stderr;
    }

    /**
     * {@inheritdoc}
     */
    public function setErrorOutput(OutputInterface $error)
    {
        $this->stderr = $error;
    }

    /**
     * Returns true if current environment supports writing console output to
     * STDOUT.
     *
     * IBM iSeries (OS400) exhibits character-encoding issues when writing to
     * STDOUT and doesn't properly convert ASCII to EBCDIC, resulting in garbage
     * output.
     *
     * @return boolean
     */
    protected function hasStdoutSupport()
    {
        return ('OS400' != php_uname('s'));
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;

/**
 * NullOutput suppresses all output.
 *
 *     $output = new NullOutput();
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Tobias Schultze <http://tobion.de>
 *
 * @api
 */
class NullOutput implements OutputInterface
{
    /**
     * {@inheritdoc}
     */
    public function setFormatter(OutputFormatterInterface $formatter)
    {
        // do nothing
    }

    /**
     * {@inheritdoc}
     */
    public function getFormatter()
    {
        // to comply with the interface we must return a OutputFormatterInterface
        return new OutputFormatter();
    }

    /**
     * {@inheritdoc}
     */
    public function setDecorated($decorated)
    {
        // do nothing
    }

    /**
     * {@inheritdoc}
     */
    public function isDecorated()
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function setVerbosity($level)
    {
        // do nothing
    }

    /**
     * {@inheritdoc}
     */
    public function getVerbosity()
    {
        return self::VERBOSITY_QUIET;
    }

    /**
     * {@inheritdoc}
     */
    public function writeln($messages, $type = self::OUTPUT_NORMAL)
    {
        // do nothing
    }

    /**
     * {@inheritdoc}
     */
    public function write($messages, $newline = false, $type = self::OUTPUT_NORMAL)
    {
        // do nothing
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

/**
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class BufferedOutput extends Output
{
    /**
     * @var string
     */
    private $buffer = '';

    /**
     * Empties buffer and returns its content.
     *
     * @return string
     */
    public function fetch()
    {
        $content = $this->buffer;
        $this->buffer = '';

        return $content;
    }

    /**
     * {@inheritdoc}
     */
    protected function doWrite($message, $newline)
    {
        $this->buffer .= $message;

        if ($newline) {
            $this->buffer .= "\n";
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Output;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;

/**
 * OutputInterface is the interface implemented by all Output classes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
interface OutputInterface
{
    const VERBOSITY_QUIET        = 0;
    const VERBOSITY_NORMAL       = 1;
    const VERBOSITY_VERBOSE      = 2;
    const VERBOSITY_VERY_VERBOSE = 3;
    const VERBOSITY_DEBUG        = 4;

    const OUTPUT_NORMAL = 0;
    const OUTPUT_RAW    = 1;
    const OUTPUT_PLAIN  = 2;

    /**
     * Writes a message to the output.
     *
     * @param string|array $messages The message as an array of lines or a single string
     * @param Boolean      $newline  Whether to add a newline
     * @param integer      $type     The type of output (one of the OUTPUT constants)
     *
     * @throws \InvalidArgumentException When unknown output type is given
     *
     * @api
     */
    public function write($messages, $newline = false, $type = self::OUTPUT_NORMAL);

    /**
     * Writes a message to the output and adds a newline at the end.
     *
     * @param string|array $messages The message as an array of lines of a single string
     * @param integer      $type     The type of output (one of the OUTPUT constants)
     *
     * @throws \InvalidArgumentException When unknown output type is given
     *
     * @api
     */
    public function writeln($messages, $type = self::OUTPUT_NORMAL);

    /**
     * Sets the verbosity of the output.
     *
     * @param integer $level The level of verbosity (one of the VERBOSITY constants)
     *
     * @api
     */
    public function setVerbosity($level);

    /**
     * Gets the current verbosity of the output.
     *
     * @return integer The current level of verbosity (one of the VERBOSITY constants)
     *
     * @api
     */
    public function getVerbosity();

    /**
     * Sets the decorated flag.
     *
     * @param Boolean $decorated Whether to decorate the messages
     *
     * @api
     */
    public function setDecorated($decorated);

    /**
     * Gets the decorated flag.
     *
     * @return Boolean true if the output will decorate messages, false otherwise
     *
     * @api
     */
    public function isDecorated();

    /**
     * Sets output formatter.
     *
     * @param OutputFormatterInterface $formatter
     *
     * @api
     */
    public function setFormatter(OutputFormatterInterface $formatter);

    /**
     * Returns current output formatter instance.
     *
     * @return  OutputFormatterInterface
     *
     * @api
     */
    public function getFormatter();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 */
abstract class Descriptor implements DescriptorInterface
{
    /**
     * @var OutputInterface
     */
    private $output;

    /**
     * {@inheritdoc}
     */
    public function describe(OutputInterface $output, $object, array $options = array())
    {
        $this->output = $output;

        switch (true) {
            case $object instanceof InputArgument:
                $this->describeInputArgument($object, $options);
                break;
            case $object instanceof InputOption:
                $this->describeInputOption($object, $options);
                break;
            case $object instanceof InputDefinition:
                $this->describeInputDefinition($object, $options);
                break;
            case $object instanceof Command:
                $this->describeCommand($object, $options);
                break;
            case $object instanceof Application:
                $this->describeApplication($object, $options);
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Object of type "%s" is not describable.', get_class($object)));
        }
    }

    /**
     * Writes content to output.
     *
     * @param string  $content
     * @param boolean $decorated
     */
    protected function write($content, $decorated = false)
    {
        $this->output->write($content, false, $decorated ? OutputInterface::OUTPUT_NORMAL : OutputInterface::OUTPUT_RAW);
    }

    /**
     * Describes an InputArgument instance.
     *
     * @param InputArgument $argument
     * @param array         $options
     *
     * @return string|mixed
     */
    abstract protected function describeInputArgument(InputArgument $argument, array $options = array());

    /**
     * Describes an InputOption instance.
     *
     * @param InputOption $option
     * @param array       $options
     *
     * @return string|mixed
     */
    abstract protected function describeInputOption(InputOption $option, array $options = array());

    /**
     * Describes an InputDefinition instance.
     *
     * @param InputDefinition $definition
     * @param array           $options
     *
     * @return string|mixed
     */
    abstract protected function describeInputDefinition(InputDefinition $definition, array $options = array());

    /**
     * Describes a Command instance.
     *
     * @param Command $command
     * @param array   $options
     *
     * @return string|mixed
     */
    abstract protected function describeCommand(Command $command, array $options = array());

    /**
     * Describes an Application instance.
     *
     * @param Application $application
     * @param array       $options
     *
     * @return string|mixed
     */
    abstract protected function describeApplication(Application $application, array $options = array());
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;

/**
 * XML descriptor.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class XmlDescriptor extends Descriptor
{
    /**
     * @param InputDefinition $definition
     *
     * @return \DOMDocument
     */
    public function getInputDefinitionDocument(InputDefinition $definition)
    {
        $dom = new \DOMDocument('1.0', 'UTF-8');
        $dom->appendChild($definitionXML = $dom->createElement('definition'));

        $definitionXML->appendChild($argumentsXML = $dom->createElement('arguments'));
        foreach ($definition->getArguments() as $argument) {
            $this->appendDocument($argumentsXML, $this->getInputArgumentDocument($argument));
        }

        $definitionXML->appendChild($optionsXML = $dom->createElement('options'));
        foreach ($definition->getOptions() as $option) {
            $this->appendDocument($optionsXML, $this->getInputOptionDocument($option));
        }

        return $dom;
    }

    /**
     * @param Command $command
     *
     * @return \DOMDocument
     */
    public function getCommandDocument(Command $command)
    {
        $dom = new \DOMDocument('1.0', 'UTF-8');
        $dom->appendChild($commandXML = $dom->createElement('command'));

        $command->getSynopsis();
        $command->mergeApplicationDefinition(false);

        $commandXML->setAttribute('id', $command->getName());
        $commandXML->setAttribute('name', $command->getName());

        $commandXML->appendChild($usageXML = $dom->createElement('usage'));
        $usageXML->appendChild($dom->createTextNode(sprintf($command->getSynopsis(), '')));

        $commandXML->appendChild($descriptionXML = $dom->createElement('description'));
        $descriptionXML->appendChild($dom->createTextNode(str_replace("\n", "\n ", $command->getDescription())));

        $commandXML->appendChild($helpXML = $dom->createElement('help'));
        $helpXML->appendChild($dom->createTextNode(str_replace("\n", "\n ", $command->getProcessedHelp())));

        $commandXML->appendChild($aliasesXML = $dom->createElement('aliases'));
        foreach ($command->getAliases() as $alias) {
            $aliasesXML->appendChild($aliasXML = $dom->createElement('alias'));
            $aliasXML->appendChild($dom->createTextNode($alias));
        }

        $definitionXML = $this->getInputDefinitionDocument($command->getNativeDefinition());
        $this->appendDocument($commandXML, $definitionXML->getElementsByTagName('definition')->item(0));

        return $dom;
    }

    /**
     * @param Application $application
     * @param string|null $namespace
     *
     * @return \DOMDocument
     */
    public function getApplicationDocument(Application $application, $namespace = null)
    {
        $dom = new \DOMDocument('1.0', 'UTF-8');
        $dom->appendChild($rootXml = $dom->createElement('symfony'));

        if ($application->getName() !== 'UNKNOWN') {
            $rootXml->setAttribute('name', $application->getName());
            if ($application->getVersion() !== 'UNKNOWN') {
                $rootXml->setAttribute('version', $application->getVersion());
            }
        }

        $rootXml->appendChild($commandsXML = $dom->createElement('commands'));

        $description = new ApplicationDescription($application, $namespace);

        if ($namespace) {
            $commandsXML->setAttribute('namespace', $namespace);
        }

        foreach ($description->getCommands() as $command) {
            $this->appendDocument($commandsXML, $this->getCommandDocument($command));
        }

        if (!$namespace) {
            $rootXml->appendChild($namespacesXML = $dom->createElement('namespaces'));

            foreach ($description->getNamespaces() as $namespaceDescription) {
                $namespacesXML->appendChild($namespaceArrayXML = $dom->createElement('namespace'));
                $namespaceArrayXML->setAttribute('id', $namespaceDescription['id']);

                foreach ($namespaceDescription['commands'] as $name) {
                    $namespaceArrayXML->appendChild($commandXML = $dom->createElement('command'));
                    $commandXML->appendChild($dom->createTextNode($name));
                }
            }
        }

        return $dom;
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputArgument(InputArgument $argument, array $options = array())
    {
        $this->writeDocument($this->getInputArgumentDocument($argument));
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputOption(InputOption $option, array $options = array())
    {
        $this->writeDocument($this->getInputOptionDocument($option));
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputDefinition(InputDefinition $definition, array $options = array())
    {
        $this->writeDocument($this->getInputDefinitionDocument($definition));
    }

    /**
     * {@inheritdoc}
     */
    protected function describeCommand(Command $command, array $options = array())
    {
        $this->writeDocument($this->getCommandDocument($command));
    }

    /**
     * {@inheritdoc}
     */
    protected function describeApplication(Application $application, array $options = array())
    {
        $this->writeDocument($this->getApplicationDocument($application, isset($options['namespace']) ? $options['namespace'] : null));
    }

    /**
     * Appends document children to parent node.
     *
     * @param \DOMNode $parentNode
     * @param \DOMNode $importedParent
     */
    private function appendDocument(\DOMNode $parentNode, \DOMNode $importedParent)
    {
        foreach ($importedParent->childNodes as $childNode) {
            $parentNode->appendChild($parentNode->ownerDocument->importNode($childNode, true));
        }
    }

    /**
     * Writes DOM document.
     *
     * @param \DOMDocument $dom
     *
     * @return \DOMDocument|string
     */
    private function writeDocument(\DOMDocument $dom)
    {
        $dom->formatOutput = true;
        $this->write($dom->saveXML());
    }

    /**
     * @param InputArgument $argument
     *
     * @return \DOMDocument
     */
    private function getInputArgumentDocument(InputArgument $argument)
    {
        $dom = new \DOMDocument('1.0', 'UTF-8');

        $dom->appendChild($objectXML = $dom->createElement('argument'));
        $objectXML->setAttribute('name', $argument->getName());
        $objectXML->setAttribute('is_required', $argument->isRequired() ? 1 : 0);
        $objectXML->setAttribute('is_array', $argument->isArray() ? 1 : 0);
        $objectXML->appendChild($descriptionXML = $dom->createElement('description'));
        $descriptionXML->appendChild($dom->createTextNode($argument->getDescription()));

        $objectXML->appendChild($defaultsXML = $dom->createElement('defaults'));
        $defaults = is_array($argument->getDefault()) ? $argument->getDefault() : (is_bool($argument->getDefault()) ? array(var_export($argument->getDefault(), true)) : ($argument->getDefault() ? array($argument->getDefault()) : array()));
        foreach ($defaults as $default) {
            $defaultsXML->appendChild($defaultXML = $dom->createElement('default'));
            $defaultXML->appendChild($dom->createTextNode($default));
        }

        return $dom;
    }

    /**
     * @param InputOption $option
     *
     * @return \DOMDocument
     */
    private function getInputOptionDocument(InputOption $option)
    {
        $dom = new \DOMDocument('1.0', 'UTF-8');

        $dom->appendChild($objectXML = $dom->createElement('option'));
        $objectXML->setAttribute('name', '--'.$option->getName());
        $pos = strpos($option->getShortcut(), '|');
        if (false !== $pos) {
            $objectXML->setAttribute('shortcut', '-'.substr($option->getShortcut(), 0, $pos));
            $objectXML->setAttribute('shortcuts', '-'.implode('|-', explode('|', $option->getShortcut())));
        } else {
            $objectXML->setAttribute('shortcut', $option->getShortcut() ? '-'.$option->getShortcut() : '');
        }
        $objectXML->setAttribute('accept_value', $option->acceptValue() ? 1 : 0);
        $objectXML->setAttribute('is_value_required', $option->isValueRequired() ? 1 : 0);
        $objectXML->setAttribute('is_multiple', $option->isArray() ? 1 : 0);
        $objectXML->appendChild($descriptionXML = $dom->createElement('description'));
        $descriptionXML->appendChild($dom->createTextNode($option->getDescription()));

        if ($option->acceptValue()) {
            $defaults = is_array($option->getDefault()) ? $option->getDefault() : (is_bool($option->getDefault()) ? array(var_export($option->getDefault(), true)) : ($option->getDefault() ? array($option->getDefault()) : array()));
            $objectXML->appendChild($defaultsXML = $dom->createElement('defaults'));

            if (!empty($defaults)) {
                foreach ($defaults as $default) {
                    $defaultsXML->appendChild($defaultXML = $dom->createElement('default'));
                    $defaultXML->appendChild($dom->createTextNode($default));
                }
            }
        }

        return $dom;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;

/**
 * Text descriptor.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class TextDescriptor extends Descriptor
{
    /**
     * {@inheritdoc}
     */
    protected function describeInputArgument(InputArgument $argument, array $options = array())
    {
        if (null !== $argument->getDefault() && (!is_array($argument->getDefault()) || count($argument->getDefault()))) {
            $default = sprintf('<comment> (default: %s)</comment>', $this->formatDefaultValue($argument->getDefault()));
        } else {
            $default = '';
        }

        $nameWidth = isset($options['name_width']) ? $options['name_width'] : strlen($argument->getName());

        $this->writeText(sprintf(" <info>%-${nameWidth}s</info> %s%s",
            $argument->getName(),
            str_replace("\n", "\n".str_repeat(' ', $nameWidth + 2), $argument->getDescription()),
            $default
        ), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputOption(InputOption $option, array $options = array())
    {
        if ($option->acceptValue() && null !== $option->getDefault() && (!is_array($option->getDefault()) || count($option->getDefault()))) {
            $default = sprintf('<comment> (default: %s)</comment>', $this->formatDefaultValue($option->getDefault()));
        } else {
            $default = '';
        }

        $nameWidth = isset($options['name_width']) ? $options['name_width'] : strlen($option->getName());
        $nameWithShortcutWidth = $nameWidth - strlen($option->getName()) - 2;

        $this->writeText(sprintf(" <info>%s</info> %-${nameWithShortcutWidth}s%s%s%s",
            '--'.$option->getName(),
            $option->getShortcut() ? sprintf('(-%s) ', $option->getShortcut()) : '',
            str_replace("\n", "\n".str_repeat(' ', $nameWidth + 2), $option->getDescription()),
            $default,
            $option->isArray() ? '<comment> (multiple values allowed)</comment>' : ''
        ), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputDefinition(InputDefinition $definition, array $options = array())
    {
        $nameWidth = 0;
        foreach ($definition->getOptions() as $option) {
            $nameLength = strlen($option->getName()) + 2;
            if ($option->getShortcut()) {
                $nameLength += strlen($option->getShortcut()) + 3;
            }
            $nameWidth = max($nameWidth, $nameLength);
        }
        foreach ($definition->getArguments() as $argument) {
            $nameWidth = max($nameWidth, strlen($argument->getName()));
        }
        ++$nameWidth;

        if ($definition->getArguments()) {
            $this->writeText('<comment>Arguments:</comment>', $options);
            $this->writeText("\n");
            foreach ($definition->getArguments() as $argument) {
                $this->describeInputArgument($argument, array_merge($options, array('name_width' => $nameWidth)));
                $this->writeText("\n");
            }
        }

        if ($definition->getArguments() && $definition->getOptions()) {
            $this->writeText("\n");
        }

        if ($definition->getOptions()) {
            $this->writeText('<comment>Options:</comment>', $options);
            $this->writeText("\n");
            foreach ($definition->getOptions() as $option) {
                $this->describeInputOption($option, array_merge($options, array('name_width' => $nameWidth)));
                $this->writeText("\n");
            }
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeCommand(Command $command, array $options = array())
    {
        $command->getSynopsis();
        $command->mergeApplicationDefinition(false);

        $this->writeText('<comment>Usage:</comment>', $options);
        $this->writeText("\n");
        $this->writeText(' '.$command->getSynopsis(), $options);
        $this->writeText("\n");

        if (count($command->getAliases()) > 0) {
            $this->writeText("\n");
            $this->writeText('<comment>Aliases:</comment> <info>'.implode(', ', $command->getAliases()).'</info>', $options);
        }

        if ($definition = $command->getNativeDefinition()) {
            $this->writeText("\n");
            $this->describeInputDefinition($definition, $options);
        }

        $this->writeText("\n");

        if ($help = $command->getProcessedHelp()) {
            $this->writeText('<comment>Help:</comment>', $options);
            $this->writeText("\n");
            $this->writeText(' '.str_replace("\n", "\n ", $help), $options);
            $this->writeText("\n");
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeApplication(Application $application, array $options = array())
    {
        $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
        $description = new ApplicationDescription($application, $describedNamespace);

        if (isset($options['raw_text']) && $options['raw_text']) {
            $width = $this->getColumnWidth($description->getCommands());

            foreach ($description->getCommands() as $command) {
                $this->writeText(sprintf("%-${width}s %s", $command->getName(), $command->getDescription()), $options);
                $this->writeText("\n");
            }
        } else {
            $width = $this->getColumnWidth($description->getCommands());

            $this->writeText($application->getHelp(), $options);
            $this->writeText("\n\n");

            if ($describedNamespace) {
                $this->writeText(sprintf("<comment>Available commands for the \"%s\" namespace:</comment>", $describedNamespace), $options);
            } else {
                $this->writeText('<comment>Available commands:</comment>', $options);
            }

            // add commands by namespace
            foreach ($description->getNamespaces() as $namespace) {
                if (!$describedNamespace && ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
                    $this->writeText("\n");
                    $this->writeText('<comment>'.$namespace['id'].'</comment>', $options);
                }

                foreach ($namespace['commands'] as $name) {
                    $this->writeText("\n");
                    $this->writeText(sprintf("  <info>%-${width}s</info> %s", $name, $description->getCommand($name)->getDescription()), $options);
                }
            }

            $this->writeText("\n");
        }
    }

    /**
     * {@inheritdoc}
     */
    private function writeText($content, array $options = array())
    {
        $this->write(
            isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content,
            isset($options['raw_output']) ? !$options['raw_output'] : true
        );
    }

    /**
     * Formats input option/argument default value.
     *
     * @param mixed $default
     *
     * @return string
     */
    private function formatDefaultValue($default)
    {
        if (version_compare(PHP_VERSION, '5.4', '<')) {
            return str_replace('\/', '/', json_encode($default));
        }

        return json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
    }

    /**
     * @param Command[] $commands
     *
     * @return int
     */
    private function getColumnWidth(array $commands)
    {
        $width = 0;
        foreach ($commands as $command) {
            $width = strlen($command->getName()) > $width ? strlen($command->getName()) : $width;
        }

        return $width + 2;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;

/**
 * Markdown descriptor.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class MarkdownDescriptor extends Descriptor
{
    /**
     * {@inheritdoc}
     */
    protected function describeInputArgument(InputArgument $argument, array $options = array())
    {
        $this->write(
            '**'.$argument->getName().':**'."\n\n"
            .'* Name: '.($argument->getName() ?: '<none>')."\n"
            .'* Is required: '.($argument->isRequired() ? 'yes' : 'no')."\n"
            .'* Is array: '.($argument->isArray() ? 'yes' : 'no')."\n"
            .'* Description: '.($argument->getDescription() ?: '<none>')."\n"
            .'* Default: `'.str_replace("\n", '', var_export($argument->getDefault(), true)).'`'
        );
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputOption(InputOption $option, array $options = array())
    {
        $this->write(
            '**'.$option->getName().':**'."\n\n"
            .'* Name: `--'.$option->getName().'`'."\n"
            .'* Shortcut: '.($option->getShortcut() ? '`-'.implode('|-', explode('|', $option->getShortcut())).'`' : '<none>')."\n"
            .'* Accept value: '.($option->acceptValue() ? 'yes' : 'no')."\n"
            .'* Is value required: '.($option->isValueRequired() ? 'yes' : 'no')."\n"
            .'* Is multiple: '.($option->isArray() ? 'yes' : 'no')."\n"
            .'* Description: '.($option->getDescription() ?: '<none>')."\n"
            .'* Default: `'.str_replace("\n", '', var_export($option->getDefault(), true)).'`'
        );
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputDefinition(InputDefinition $definition, array $options = array())
    {
        if ($showArguments = count($definition->getArguments()) > 0) {
            $this->write('### Arguments:');
            foreach ($definition->getArguments() as $argument) {
                $this->write("\n\n");
                $this->write($this->describeInputArgument($argument));
            }
        }

        if (count($definition->getOptions()) > 0) {
            if ($showArguments) {
                $this->write("\n\n");
            }

            $this->write('### Options:');
            foreach ($definition->getOptions() as $option) {
                $this->write("\n\n");
                $this->write($this->describeInputOption($option));
            }
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeCommand(Command $command, array $options = array())
    {
        $command->getSynopsis();
        $command->mergeApplicationDefinition(false);

        $this->write(
            $command->getName()."\n"
            .str_repeat('-', strlen($command->getName()))."\n\n"
            .'* Description: '.($command->getDescription() ?: '<none>')."\n"
            .'* Usage: `'.$command->getSynopsis().'`'."\n"
            .'* Aliases: '.(count($command->getAliases()) ? '`'.implode('`, `', $command->getAliases()).'`' : '<none>')
        );

        if ($help = $command->getProcessedHelp()) {
            $this->write("\n\n");
            $this->write($help);
        }

        if ($definition = $command->getNativeDefinition()) {
            $this->write("\n\n");
            $this->describeInputDefinition($command->getNativeDefinition());
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeApplication(Application $application, array $options = array())
    {
        $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
        $description = new ApplicationDescription($application, $describedNamespace);

        $this->write($application->getName()."\n".str_repeat('=', strlen($application->getName())));

        foreach ($description->getNamespaces() as $namespace) {
            if (ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
                $this->write("\n\n");
                $this->write('**'.$namespace['id'].':**');
            }

            $this->write("\n\n");
            $this->write(implode("\n", array_map(function ($commandName) {
                return '* '.$commandName;
            } , $namespace['commands'])));
        }

        foreach ($description->getCommands() as $command) {
            $this->write("\n\n");
            $this->write($this->describeCommand($command));
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;

/**
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 */
class ApplicationDescription
{
    const GLOBAL_NAMESPACE = '_global';

    /**
     * @var Application
     */
    private $application;

    /**
     * @var null|string
     */
    private $namespace;

    /**
     * @var array
     */
    private $namespaces;

    /**
     * @var Command[]
     */
    private $commands;

    /**
     * @var Command[]
     */
    private $aliases;

    /**
     * Constructor.
     *
     * @param Application $application
     * @param string|null $namespace
     */
    public function __construct(Application $application, $namespace = null)
    {
        $this->application = $application;
        $this->namespace = $namespace;
    }

    /**
     * @return array
     */
    public function getNamespaces()
    {
        if (null === $this->namespaces) {
            $this->inspectApplication();
        }

        return $this->namespaces;
    }

    /**
     * @return Command[]
     */
    public function getCommands()
    {
        if (null === $this->commands) {
            $this->inspectApplication();
        }

        return $this->commands;
    }

    /**
     * @param string $name
     *
     * @return Command
     *
     * @throws \InvalidArgumentException
     */
    public function getCommand($name)
    {
        if (!isset($this->commands[$name]) && !isset($this->aliases[$name])) {
            throw new \InvalidArgumentException(sprintf('Command %s does not exist.', $name));
        }

        return isset($this->commands[$name]) ? $this->commands[$name] : $this->aliases[$name];
    }

    private function inspectApplication()
    {
        $this->commands = array();
        $this->namespaces = array();

        $all = $this->application->all($this->namespace ? $this->application->findNamespace($this->namespace) : null);
        foreach ($this->sortCommands($all) as $namespace => $commands) {
            $names = array();

            /** @var Command $command */
            foreach ($commands as $name => $command) {
                if (!$command->getName()) {
                    continue;
                }

                if ($command->getName() === $name) {
                    $this->commands[$name] = $command;
                } else {
                    $this->aliases[$name] = $command;
                }

                $names[] = $name;
            }

            $this->namespaces[$namespace] = array('id' => $namespace, 'commands' => $names);
        }
    }

    /**
     * @param array $commands
     *
     * @return array
     */
    private function sortCommands(array $commands)
    {
        $namespacedCommands = array();
        foreach ($commands as $name => $command) {
            $key = $this->application->extractNamespace($name, 1);
            if (!$key) {
                $key = '_global';
            }

            $namespacedCommands[$key][$name] = $command;
        }
        ksort($namespacedCommands);

        foreach ($namespacedCommands as &$commands) {
            ksort($commands);
        }

        return $namespacedCommands;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;

/**
 * JSON descriptor.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class JsonDescriptor extends Descriptor
{
    /**
     * {@inheritdoc}
     */
    protected function describeInputArgument(InputArgument $argument, array $options = array())
    {
        $this->writeData($this->getInputArgumentData($argument), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputOption(InputOption $option, array $options = array())
    {
        $this->writeData($this->getInputOptionData($option), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputDefinition(InputDefinition $definition, array $options = array())
    {
        $this->writeData($this->getInputDefinitionData($definition), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeCommand(Command $command, array $options = array())
    {
        $this->writeData($this->getCommandData($command), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeApplication(Application $application, array $options = array())
    {
        $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
        $description = new ApplicationDescription($application, $describedNamespace);
        $commands = array();

        foreach ($description->getCommands() as $command) {
            $commands[] = $this->getCommandData($command);
        }

        $data = $describedNamespace
            ? array('commands' => $commands, 'namespace' => $describedNamespace)
            : array('commands' => $commands, 'namespaces' => array_values($description->getNamespaces()));

        $this->writeData($data, $options);
    }

    /**
     * Writes data as json.
     *
     * @param array $data
     * @param array $options
     *
     * @return array|string
     */
    private function writeData(array $data, array $options)
    {
        $this->write(json_encode($data, isset($options['json_encoding']) ? $options['json_encoding'] : 0));
    }

    /**
     * @param InputArgument $argument
     *
     * @return array
     */
    private function getInputArgumentData(InputArgument $argument)
    {
        return array(
            'name'        => $argument->getName(),
            'is_required' => $argument->isRequired(),
            'is_array'    => $argument->isArray(),
            'description' => $argument->getDescription(),
            'default'     => $argument->getDefault(),
        );
    }

    /**
     * @param InputOption $option
     *
     * @return array
     */
    private function getInputOptionData(InputOption $option)
    {
        return array(
            'name'              => '--'.$option->getName(),
            'shortcut'          => $option->getShortcut() ? '-'.implode('|-', explode('|', $option->getShortcut())) : '',
            'accept_value'      => $option->acceptValue(),
            'is_value_required' => $option->isValueRequired(),
            'is_multiple'       => $option->isArray(),
            'description'       => $option->getDescription(),
            'default'           => $option->getDefault(),
        );
    }

    /**
     * @param InputDefinition $definition
     *
     * @return array
     */
    private function getInputDefinitionData(InputDefinition $definition)
    {
        $inputArguments = array();
        foreach ($definition->getArguments() as $name => $argument) {
            $inputArguments[$name] = $this->getInputArgumentData($argument);
        }

        $inputOptions = array();
        foreach ($definition->getOptions() as $name => $option) {
            $inputOptions[$name] = $this->getInputOptionData($option);
        }

        return array('arguments' => $inputArguments, 'options' => $inputOptions);
    }

    /**
     * @param Command $command
     *
     * @return array
     */
    private function getCommandData(Command $command)
    {
        $command->getSynopsis();
        $command->mergeApplicationDefinition(false);

        return array(
            'name'        => $command->getName(),
            'usage'       => $command->getSynopsis(),
            'description' => $command->getDescription(),
            'help'        => $command->getProcessedHelp(),
            'aliases'     => $command->getAliases(),
            'definition'  => $this->getInputDefinitionData($command->getNativeDefinition()),
        );
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Output\OutputInterface;

/**
 * Descriptor interface.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
interface DescriptorInterface
{
    /**
     * Describes an InputArgument instance.
     *
     * @param OutputInterface $output
     * @param object          $object
     * @param array           $options
     */
    public function describe(OutputInterface $output, $object, array $options = array());
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Event;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Allows to manipulate the exit code of a command after its execution.
 *
 * @author Francesco Levorato <git@flevour.net>
 */
class ConsoleTerminateEvent extends ConsoleEvent
{
    /**
     * The exit code of the command.
     *
     * @var integer
     */
    private $exitCode;

    public function __construct(Command $command, InputInterface $input, OutputInterface $output, $exitCode)
    {
        parent::__construct($command, $input, $output);

        $this->setExitCode($exitCode);
    }

    /**
     * Sets the exit code.
     *
     * @param integer $exitCode The command exit code
     */
    public function setExitCode($exitCode)
    {
        $this->exitCode = (int) $exitCode;
    }

    /**
     * Gets the exit code.
     *
     * @return integer The command exit code
     */
    public function getExitCode()
    {
        return $this->exitCode;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Event;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\EventDispatcher\Event;

/**
 * Allows to inspect input and output of a command.
 *
 * @author Francesco Levorato <git@flevour.net>
 */
class ConsoleEvent extends Event
{
    protected $command;

    private $input;
    private $output;

    public function __construct(Command $command, InputInterface $input, OutputInterface $output)
    {
        $this->command = $command;
        $this->input = $input;
        $this->output = $output;
    }

    /**
     * Gets the command that is executed.
     *
     * @return Command A Command instance
     */
    public function getCommand()
    {
        return $this->command;
    }

    /**
     * Gets the input instance.
     *
     * @return InputInterface An InputInterface instance
     */
    public function getInput()
    {
        return $this->input;
    }

    /**
     * Gets the output instance.
     *
     * @return OutputInterface An OutputInterface instance
     */
    public function getOutput()
    {
        return $this->output;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Event;

/**
 * Allows to do things before the command is executed.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ConsoleCommandEvent extends ConsoleEvent
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Event;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Allows to handle exception thrown in a command.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ConsoleExceptionEvent extends ConsoleEvent
{
    private $exception;
    private $exitCode;

    public function __construct(Command $command, InputInterface $input, OutputInterface $output, \Exception $exception, $exitCode)
    {
        parent::__construct($command, $input, $output);

        $this->setException($exception);
        $this->exitCode = (int) $exitCode;
    }

    /**
     * Returns the thrown exception.
     *
     * @return \Exception The thrown exception
     */
    public function getException()
    {
        return $this->exception;
    }

    /**
     * Replaces the thrown exception.
     *
     * This exception will be thrown if no response is set in the event.
     *
     * @param \Exception $exception The thrown exception
     */
    public function setException(\Exception $exception)
    {
        $this->exception = $exception;
    }

    /**
     * Gets the exit code.
     *
     * @return integer The command exit code
     */
    public function getExitCode()
    {
        return $this->exitCode;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * ArrayInput represents an input provided as an array.
 *
 * Usage:
 *
 *     $input = new ArrayInput(array('name' => 'foo', '--bar' => 'foobar'));
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class ArrayInput extends Input
{
    private $parameters;

    /**
     * Constructor.
     *
     * @param array           $parameters An array of parameters
     * @param InputDefinition $definition A InputDefinition instance
     *
     * @api
     */
    public function __construct(array $parameters, InputDefinition $definition = null)
    {
        $this->parameters = $parameters;

        parent::__construct($definition);
    }

    /**
     * Returns the first argument from the raw parameters (not parsed).
     *
     * @return string The value of the first argument or null otherwise
     */
    public function getFirstArgument()
    {
        foreach ($this->parameters as $key => $value) {
            if ($key && '-' === $key[0]) {
                continue;
            }

            return $value;
        }
    }

    /**
     * Returns true if the raw parameters (not parsed) contain a value.
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values The values to look for in the raw parameters (can be an array)
     *
     * @return Boolean true if the value is contained in the raw parameters
     */
    public function hasParameterOption($values)
    {
        $values = (array) $values;

        foreach ($this->parameters as $k => $v) {
            if (!is_int($k)) {
                $v = $k;
            }

            if (in_array($v, $values)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Returns the value of a raw option (not parsed).
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values  The value(s) to look for in the raw parameters (can be an array)
     * @param mixed        $default The default value to return if no result is found
     *
     * @return mixed The option value
     */
    public function getParameterOption($values, $default = false)
    {
        $values = (array) $values;

        foreach ($this->parameters as $k => $v) {
            if (is_int($k) && in_array($v, $values)) {
                return true;
            } elseif (in_array($k, $values)) {
                return $v;
            }
        }

        return $default;
    }

    /**
     * Returns a stringified representation of the args passed to the command
     *
     * @return string
     */
    public function __toString()
    {
        $params = array();
        foreach ($this->parameters as $param => $val) {
            if ($param && '-' === $param[0]) {
                $params[] = $param . ('' != $val ? '='.$this->escapeToken($val) : '');
            } else {
                $params[] = $this->escapeToken($val);
            }
        }

        return implode(' ', $params);
    }

    /**
     * Processes command line arguments.
     */
    protected function parse()
    {
        foreach ($this->parameters as $key => $value) {
            if (0 === strpos($key, '--')) {
                $this->addLongOption(substr($key, 2), $value);
            } elseif ('-' === $key[0]) {
                $this->addShortOption(substr($key, 1), $value);
            } else {
                $this->addArgument($key, $value);
            }
        }
    }

    /**
     * Adds a short option value.
     *
     * @param string $shortcut The short option key
     * @param mixed  $value    The value for the option
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     */
    private function addShortOption($shortcut, $value)
    {
        if (!$this->definition->hasShortcut($shortcut)) {
            throw new \InvalidArgumentException(sprintf('The "-%s" option does not exist.', $shortcut));
        }

        $this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
    }

    /**
     * Adds a long option value.
     *
     * @param string $name  The long option key
     * @param mixed  $value The value for the option
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     * @throws \InvalidArgumentException When a required value is missing
     */
    private function addLongOption($name, $value)
    {
        if (!$this->definition->hasOption($name)) {
            throw new \InvalidArgumentException(sprintf('The "--%s" option does not exist.', $name));
        }

        $option = $this->definition->getOption($name);

        if (null === $value) {
            if ($option->isValueRequired()) {
                throw new \InvalidArgumentException(sprintf('The "--%s" option requires a value.', $name));
            }

            $value = $option->isValueOptional() ? $option->getDefault() : true;
        }

        $this->options[$name] = $value;
    }

    /**
     * Adds an argument value.
     *
     * @param string $name  The argument name
     * @param mixed  $value The value for the argument
     *
     * @throws \InvalidArgumentException When argument given doesn't exist
     */
    private function addArgument($name, $value)
    {
        if (!$this->definition->hasArgument($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        $this->arguments[$name] = $value;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * StringInput represents an input provided as a string.
 *
 * Usage:
 *
 *     $input = new StringInput('foo --bar="foobar"');
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class StringInput extends ArgvInput
{
    const REGEX_STRING = '([^\s]+?)(?:\s|(?<!\\\\)"|(?<!\\\\)\'|$)';
    const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')';

    /**
     * Constructor.
     *
     * @param string          $input      An array of parameters from the CLI (in the argv format)
     * @param InputDefinition $definition A InputDefinition instance
     *
     * @deprecated The second argument is deprecated as it does not work (will be removed in 3.0), use 'bind' method instead
     *
     * @api
     */
    public function __construct($input, InputDefinition $definition = null)
    {
        parent::__construct(array(), null);

        $this->setTokens($this->tokenize($input));

        if (null !== $definition) {
            $this->bind($definition);
        }
    }

    /**
     * Tokenizes a string.
     *
     * @param string $input The input to tokenize
     *
     * @return array An array of tokens
     *
     * @throws \InvalidArgumentException When unable to parse input (should never happen)
     */
    private function tokenize($input)
    {
        $tokens = array();
        $length = strlen($input);
        $cursor = 0;
        while ($cursor < $length) {
            if (preg_match('/\s+/A', $input, $match, null, $cursor)) {
            } elseif (preg_match('/([^="\'\s]+?)(=?)('.self::REGEX_QUOTED_STRING.'+)/A', $input, $match, null, $cursor)) {
                $tokens[] = $match[1].$match[2].stripcslashes(str_replace(array('"\'', '\'"', '\'\'', '""'), '', substr($match[3], 1, strlen($match[3]) - 2)));
            } elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, null, $cursor)) {
                $tokens[] = stripcslashes(substr($match[0], 1, strlen($match[0]) - 2));
            } elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, null, $cursor)) {
                $tokens[] = stripcslashes($match[1]);
            } else {
                // should never happen
                // @codeCoverageIgnoreStart
                throw new \InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10)));
                // @codeCoverageIgnoreEnd
            }

            $cursor += strlen($match[0]);
        }

        return $tokens;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

if (!defined('JSON_UNESCAPED_UNICODE')) {
    define('JSON_UNESCAPED_SLASHES', 64);
    define('JSON_UNESCAPED_UNICODE', 256);
}

use Symfony\Component\Console\Descriptor\TextDescriptor;
use Symfony\Component\Console\Descriptor\XmlDescriptor;
use Symfony\Component\Console\Output\BufferedOutput;

/**
 * A InputDefinition represents a set of valid command line arguments and options.
 *
 * Usage:
 *
 *     $definition = new InputDefinition(array(
 *       new InputArgument('name', InputArgument::REQUIRED),
 *       new InputOption('foo', 'f', InputOption::VALUE_REQUIRED),
 *     ));
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class InputDefinition
{
    private $arguments;
    private $requiredCount;
    private $hasAnArrayArgument = false;
    private $hasOptional;
    private $options;
    private $shortcuts;

    /**
     * Constructor.
     *
     * @param array $definition An array of InputArgument and InputOption instance
     *
     * @api
     */
    public function __construct(array $definition = array())
    {
        $this->setDefinition($definition);
    }

    /**
     * Sets the definition of the input.
     *
     * @param array $definition The definition array
     *
     * @api
     */
    public function setDefinition(array $definition)
    {
        $arguments = array();
        $options = array();
        foreach ($definition as $item) {
            if ($item instanceof InputOption) {
                $options[] = $item;
            } else {
                $arguments[] = $item;
            }
        }

        $this->setArguments($arguments);
        $this->setOptions($options);
    }

    /**
     * Sets the InputArgument objects.
     *
     * @param InputArgument[] $arguments An array of InputArgument objects
     *
     * @api
     */
    public function setArguments($arguments = array())
    {
        $this->arguments          = array();
        $this->requiredCount      = 0;
        $this->hasOptional        = false;
        $this->hasAnArrayArgument = false;
        $this->addArguments($arguments);
    }

    /**
     * Adds an array of InputArgument objects.
     *
     * @param InputArgument[] $arguments An array of InputArgument objects
     *
     * @api
     */
    public function addArguments($arguments = array())
    {
        if (null !== $arguments) {
            foreach ($arguments as $argument) {
                $this->addArgument($argument);
            }
        }
    }

    /**
     * Adds an InputArgument object.
     *
     * @param InputArgument $argument An InputArgument object
     *
     * @throws \LogicException When incorrect argument is given
     *
     * @api
     */
    public function addArgument(InputArgument $argument)
    {
        if (isset($this->arguments[$argument->getName()])) {
            throw new \LogicException(sprintf('An argument with name "%s" already exists.', $argument->getName()));
        }

        if ($this->hasAnArrayArgument) {
            throw new \LogicException('Cannot add an argument after an array argument.');
        }

        if ($argument->isRequired() && $this->hasOptional) {
            throw new \LogicException('Cannot add a required argument after an optional one.');
        }

        if ($argument->isArray()) {
            $this->hasAnArrayArgument = true;
        }

        if ($argument->isRequired()) {
            ++$this->requiredCount;
        } else {
            $this->hasOptional = true;
        }

        $this->arguments[$argument->getName()] = $argument;
    }

    /**
     * Returns an InputArgument by name or by position.
     *
     * @param string|integer $name The InputArgument name or position
     *
     * @return InputArgument An InputArgument object
     *
     * @throws \InvalidArgumentException When argument given doesn't exist
     *
     * @api
     */
    public function getArgument($name)
    {
        if (!$this->hasArgument($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        $arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;

        return $arguments[$name];
    }

    /**
     * Returns true if an InputArgument object exists by name or position.
     *
     * @param string|integer $name The InputArgument name or position
     *
     * @return Boolean true if the InputArgument object exists, false otherwise
     *
     * @api
     */
    public function hasArgument($name)
    {
        $arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;

        return isset($arguments[$name]);
    }

    /**
     * Gets the array of InputArgument objects.
     *
     * @return InputArgument[] An array of InputArgument objects
     *
     * @api
     */
    public function getArguments()
    {
        return $this->arguments;
    }

    /**
     * Returns the number of InputArguments.
     *
     * @return integer The number of InputArguments
     */
    public function getArgumentCount()
    {
        return $this->hasAnArrayArgument ? PHP_INT_MAX : count($this->arguments);
    }

    /**
     * Returns the number of required InputArguments.
     *
     * @return integer The number of required InputArguments
     */
    public function getArgumentRequiredCount()
    {
        return $this->requiredCount;
    }

    /**
     * Gets the default values.
     *
     * @return array An array of default values
     */
    public function getArgumentDefaults()
    {
        $values = array();
        foreach ($this->arguments as $argument) {
            $values[$argument->getName()] = $argument->getDefault();
        }

        return $values;
    }

    /**
     * Sets the InputOption objects.
     *
     * @param InputOption[] $options An array of InputOption objects
     *
     * @api
     */
    public function setOptions($options = array())
    {
        $this->options = array();
        $this->shortcuts = array();
        $this->addOptions($options);
    }

    /**
     * Adds an array of InputOption objects.
     *
     * @param InputOption[] $options An array of InputOption objects
     *
     * @api
     */
    public function addOptions($options = array())
    {
        foreach ($options as $option) {
            $this->addOption($option);
        }
    }

    /**
     * Adds an InputOption object.
     *
     * @param InputOption $option An InputOption object
     *
     * @throws \LogicException When option given already exist
     *
     * @api
     */
    public function addOption(InputOption $option)
    {
        if (isset($this->options[$option->getName()]) && !$option->equals($this->options[$option->getName()])) {
            throw new \LogicException(sprintf('An option named "%s" already exists.', $option->getName()));
        }

        if ($option->getShortcut()) {
            foreach (explode('|', $option->getShortcut()) as $shortcut) {
                if (isset($this->shortcuts[$shortcut]) && !$option->equals($this->options[$this->shortcuts[$shortcut]])) {
                    throw new \LogicException(sprintf('An option with shortcut "%s" already exists.', $shortcut));
                }
            }
        }

        $this->options[$option->getName()] = $option;
        if ($option->getShortcut()) {
            foreach (explode('|', $option->getShortcut()) as $shortcut) {
                $this->shortcuts[$shortcut] = $option->getName();
            }
        }
    }

    /**
     * Returns an InputOption by name.
     *
     * @param string $name The InputOption name
     *
     * @return InputOption A InputOption object
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     *
     * @api
     */
    public function getOption($name)
    {
        if (!$this->hasOption($name)) {
            throw new \InvalidArgumentException(sprintf('The "--%s" option does not exist.', $name));
        }

        return $this->options[$name];
    }

    /**
     * Returns true if an InputOption object exists by name.
     *
     * @param string $name The InputOption name
     *
     * @return Boolean true if the InputOption object exists, false otherwise
     *
     * @api
     */
    public function hasOption($name)
    {
        return isset($this->options[$name]);
    }

    /**
     * Gets the array of InputOption objects.
     *
     * @return InputOption[] An array of InputOption objects
     *
     * @api
     */
    public function getOptions()
    {
        return $this->options;
    }

    /**
     * Returns true if an InputOption object exists by shortcut.
     *
     * @param string $name The InputOption shortcut
     *
     * @return Boolean true if the InputOption object exists, false otherwise
     */
    public function hasShortcut($name)
    {
        return isset($this->shortcuts[$name]);
    }

    /**
     * Gets an InputOption by shortcut.
     *
     * @param string $shortcut the Shortcut name
     *
     * @return InputOption An InputOption object
     */
    public function getOptionForShortcut($shortcut)
    {
        return $this->getOption($this->shortcutToName($shortcut));
    }

    /**
     * Gets an array of default values.
     *
     * @return array An array of all default values
     */
    public function getOptionDefaults()
    {
        $values = array();
        foreach ($this->options as $option) {
            $values[$option->getName()] = $option->getDefault();
        }

        return $values;
    }

    /**
     * Returns the InputOption name given a shortcut.
     *
     * @param string $shortcut The shortcut
     *
     * @return string The InputOption name
     *
     * @throws \InvalidArgumentException When option given does not exist
     */
    private function shortcutToName($shortcut)
    {
        if (!isset($this->shortcuts[$shortcut])) {
            throw new \InvalidArgumentException(sprintf('The "-%s" option does not exist.', $shortcut));
        }

        return $this->shortcuts[$shortcut];
    }

    /**
     * Gets the synopsis.
     *
     * @return string The synopsis
     */
    public function getSynopsis()
    {
        $elements = array();
        foreach ($this->getOptions() as $option) {
            $shortcut = $option->getShortcut() ? sprintf('-%s|', $option->getShortcut()) : '';
            $elements[] = sprintf('['.($option->isValueRequired() ? '%s--%s="..."' : ($option->isValueOptional() ? '%s--%s[="..."]' : '%s--%s')).']', $shortcut, $option->getName());
        }

        foreach ($this->getArguments() as $argument) {
            $elements[] = sprintf($argument->isRequired() ? '%s' : '[%s]', $argument->getName().($argument->isArray() ? '1' : ''));

            if ($argument->isArray()) {
                $elements[] = sprintf('... [%sN]', $argument->getName());
            }
        }

        return implode(' ', $elements);
    }

    /**
     * Returns a textual representation of the InputDefinition.
     *
     * @return string A string representing the InputDefinition
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asText()
    {
        $descriptor = new TextDescriptor();
        $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, true);
        $descriptor->describe($output, $this, array('raw_output' => true));

        return $output->fetch();
    }

    /**
     * Returns an XML representation of the InputDefinition.
     *
     * @param Boolean $asDom Whether to return a DOM or an XML string
     *
     * @return string|\DOMDocument An XML string representing the InputDefinition
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asXml($asDom = false)
    {
        $descriptor = new XmlDescriptor();

        if ($asDom) {
            return $descriptor->getInputDefinitionDocument($this);
        }

        $output = new BufferedOutput();
        $descriptor->describe($output, $this);

        return $output->fetch();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * InputInterface is the interface implemented by all input classes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
interface InputInterface
{
    /**
     * Returns the first argument from the raw parameters (not parsed).
     *
     * @return string The value of the first argument or null otherwise
     */
    public function getFirstArgument();

    /**
     * Returns true if the raw parameters (not parsed) contain a value.
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values The values to look for in the raw parameters (can be an array)
     *
     * @return Boolean true if the value is contained in the raw parameters
     */
    public function hasParameterOption($values);

    /**
     * Returns the value of a raw option (not parsed).
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values  The value(s) to look for in the raw parameters (can be an array)
     * @param mixed        $default The default value to return if no result is found
     *
     * @return mixed The option value
     */
    public function getParameterOption($values, $default = false);

    /**
     * Binds the current Input instance with the given arguments and options.
     *
     * @param InputDefinition $definition A InputDefinition instance
     */
    public function bind(InputDefinition $definition);

    /**
     * Validates if arguments given are correct.
     *
     * Throws an exception when not enough arguments are given.
     *
     * @throws \RuntimeException
     */
    public function validate();

    /**
     * Returns all the given arguments merged with the default values.
     *
     * @return array
     */
    public function getArguments();

    /**
     * Gets argument by name.
     *
     * @param string $name The name of the argument
     *
     * @return mixed
     */
    public function getArgument($name);

    /**
     * Sets an argument value by name.
     *
     * @param string $name  The argument name
     * @param string $value The argument value
     *
     * @throws \InvalidArgumentException When argument given doesn't exist
     */
    public function setArgument($name, $value);

    /**
     * Returns true if an InputArgument object exists by name or position.
     *
     * @param string|integer $name The InputArgument name or position
     *
     * @return Boolean true if the InputArgument object exists, false otherwise
     */
    public function hasArgument($name);

    /**
     * Returns all the given options merged with the default values.
     *
     * @return array
     */
    public function getOptions();

    /**
     * Gets an option by name.
     *
     * @param string $name The name of the option
     *
     * @return mixed
     */
    public function getOption($name);

    /**
     * Sets an option value by name.
     *
     * @param string         $name  The option name
     * @param string|boolean $value The option value
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     */
    public function setOption($name, $value);

    /**
     * Returns true if an InputOption object exists by name.
     *
     * @param string $name The InputOption name
     *
     * @return Boolean true if the InputOption object exists, false otherwise
     */
    public function hasOption($name);

    /**
     * Is this input means interactive?
     *
     * @return Boolean
     */
    public function isInteractive();

    /**
     * Sets the input interactivity.
     *
     * @param Boolean $interactive If the input should be interactive
     */
    public function setInteractive($interactive);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * Represents a command line argument.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class InputArgument
{
    const REQUIRED = 1;
    const OPTIONAL = 2;
    const IS_ARRAY = 4;

    private $name;
    private $mode;
    private $default;
    private $description;

    /**
     * Constructor.
     *
     * @param string  $name        The argument name
     * @param integer $mode        The argument mode: self::REQUIRED or self::OPTIONAL
     * @param string  $description A description text
     * @param mixed   $default     The default value (for self::OPTIONAL mode only)
     *
     * @throws \InvalidArgumentException When argument mode is not valid
     *
     * @api
     */
    public function __construct($name, $mode = null, $description = '', $default = null)
    {
        if (null === $mode) {
            $mode = self::OPTIONAL;
        } elseif (!is_int($mode) || $mode > 7 || $mode < 1) {
            throw new \InvalidArgumentException(sprintf('Argument mode "%s" is not valid.', $mode));
        }

        $this->name        = $name;
        $this->mode        = $mode;
        $this->description = $description;

        $this->setDefault($default);
    }

    /**
     * Returns the argument name.
     *
     * @return string The argument name
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Returns true if the argument is required.
     *
     * @return Boolean true if parameter mode is self::REQUIRED, false otherwise
     */
    public function isRequired()
    {
        return self::REQUIRED === (self::REQUIRED & $this->mode);
    }

    /**
     * Returns true if the argument can take multiple values.
     *
     * @return Boolean true if mode is self::IS_ARRAY, false otherwise
     */
    public function isArray()
    {
        return self::IS_ARRAY === (self::IS_ARRAY & $this->mode);
    }

    /**
     * Sets the default value.
     *
     * @param mixed $default The default value
     *
     * @throws \LogicException When incorrect default value is given
     */
    public function setDefault($default = null)
    {
        if (self::REQUIRED === $this->mode && null !== $default) {
            throw new \LogicException('Cannot set a default value except for InputArgument::OPTIONAL mode.');
        }

        if ($this->isArray()) {
            if (null === $default) {
                $default = array();
            } elseif (!is_array($default)) {
                throw new \LogicException('A default value for an array argument must be an array.');
            }
        }

        $this->default = $default;
    }

    /**
     * Returns the default value.
     *
     * @return mixed The default value
     */
    public function getDefault()
    {
        return $this->default;
    }

    /**
     * Returns the description text.
     *
     * @return string The description text
     */
    public function getDescription()
    {
        return $this->description;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * InputAwareInterface should be implemented by classes that depends on the
 * Console Input.
 *
 * @author Wouter J <waldio.webdesign@gmail.com>
 */
interface InputAwareInterface
{
    /**
     * Sets the Console Input.
     *
     * @param InputInterface
     */
    public function setInput(InputInterface $input);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * Represents a command line option.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class InputOption
{
    const VALUE_NONE     = 1;
    const VALUE_REQUIRED = 2;
    const VALUE_OPTIONAL = 4;
    const VALUE_IS_ARRAY = 8;

    private $name;
    private $shortcut;
    private $mode;
    private $default;
    private $description;

    /**
     * Constructor.
     *
     * @param string       $name        The option name
     * @param string|array $shortcut    The shortcuts, can be null, a string of shortcuts delimited by | or an array of shortcuts
     * @param integer      $mode        The option mode: One of the VALUE_* constants
     * @param string       $description A description text
     * @param mixed        $default     The default value (must be null for self::VALUE_REQUIRED or self::VALUE_NONE)
     *
     * @throws \InvalidArgumentException If option mode is invalid or incompatible
     *
     * @api
     */
    public function __construct($name, $shortcut = null, $mode = null, $description = '', $default = null)
    {
        if (0 === strpos($name, '--')) {
            $name = substr($name, 2);
        }

        if (empty($name)) {
            throw new \InvalidArgumentException('An option name cannot be empty.');
        }

        if (empty($shortcut)) {
            $shortcut = null;
        }

        if (null !== $shortcut) {
            if (is_array($shortcut)) {
                $shortcut = implode('|', $shortcut);
            }
            $shortcuts = preg_split('{(\|)-?}', ltrim($shortcut, '-'));
            $shortcuts = array_filter($shortcuts);
            $shortcut = implode('|', $shortcuts);

            if (empty($shortcut)) {
                throw new \InvalidArgumentException('An option shortcut cannot be empty.');
            }
        }

        if (null === $mode) {
            $mode = self::VALUE_NONE;
        } elseif (!is_int($mode) || $mode > 15 || $mode < 1) {
            throw new \InvalidArgumentException(sprintf('Option mode "%s" is not valid.', $mode));
        }

        $this->name        = $name;
        $this->shortcut    = $shortcut;
        $this->mode        = $mode;
        $this->description = $description;

        if ($this->isArray() && !$this->acceptValue()) {
            throw new \InvalidArgumentException('Impossible to have an option mode VALUE_IS_ARRAY if the option does not accept a value.');
        }

        $this->setDefault($default);
    }

    /**
     * Returns the option shortcut.
     *
     * @return string The shortcut
     */
    public function getShortcut()
    {
        return $this->shortcut;
    }

    /**
     * Returns the option name.
     *
     * @return string The name
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Returns true if the option accepts a value.
     *
     * @return Boolean true if value mode is not self::VALUE_NONE, false otherwise
     */
    public function acceptValue()
    {
        return $this->isValueRequired() || $this->isValueOptional();
    }

    /**
     * Returns true if the option requires a value.
     *
     * @return Boolean true if value mode is self::VALUE_REQUIRED, false otherwise
     */
    public function isValueRequired()
    {
        return self::VALUE_REQUIRED === (self::VALUE_REQUIRED & $this->mode);
    }

    /**
     * Returns true if the option takes an optional value.
     *
     * @return Boolean true if value mode is self::VALUE_OPTIONAL, false otherwise
     */
    public function isValueOptional()
    {
        return self::VALUE_OPTIONAL === (self::VALUE_OPTIONAL & $this->mode);
    }

    /**
     * Returns true if the option can take multiple values.
     *
     * @return Boolean true if mode is self::VALUE_IS_ARRAY, false otherwise
     */
    public function isArray()
    {
        return self::VALUE_IS_ARRAY === (self::VALUE_IS_ARRAY & $this->mode);
    }

    /**
     * Sets the default value.
     *
     * @param mixed $default The default value
     *
     * @throws \LogicException When incorrect default value is given
     */
    public function setDefault($default = null)
    {
        if (self::VALUE_NONE === (self::VALUE_NONE & $this->mode) && null !== $default) {
            throw new \LogicException('Cannot set a default value when using InputOption::VALUE_NONE mode.');
        }

        if ($this->isArray()) {
            if (null === $default) {
                $default = array();
            } elseif (!is_array($default)) {
                throw new \LogicException('A default value for an array option must be an array.');
            }
        }

        $this->default = $this->acceptValue() ? $default : false;
    }

    /**
     * Returns the default value.
     *
     * @return mixed The default value
     */
    public function getDefault()
    {
        return $this->default;
    }

    /**
     * Returns the description text.
     *
     * @return string The description text
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * Checks whether the given option equals this one
     *
     * @param InputOption $option option to compare
     * @return Boolean
     */
    public function equals(InputOption $option)
    {
        return $option->getName() === $this->getName()
            && $option->getShortcut() === $this->getShortcut()
            && $option->getDefault() === $this->getDefault()
            && $option->isArray() === $this->isArray()
            && $option->isValueRequired() === $this->isValueRequired()
            && $option->isValueOptional() === $this->isValueOptional()
        ;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * Input is the base class for all concrete Input classes.
 *
 * Three concrete classes are provided by default:
 *
 *  * `ArgvInput`: The input comes from the CLI arguments (argv)
 *  * `StringInput`: The input is provided as a string
 *  * `ArrayInput`: The input is provided as an array
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class Input implements InputInterface
{
    /**
     * @var InputDefinition
     */
    protected $definition;
    protected $options = array();
    protected $arguments = array();
    protected $interactive = true;

    /**
     * Constructor.
     *
     * @param InputDefinition $definition A InputDefinition instance
     */
    public function __construct(InputDefinition $definition = null)
    {
        if (null === $definition) {
            $this->definition = new InputDefinition();
        } else {
            $this->bind($definition);
            $this->validate();
        }
    }

    /**
     * Binds the current Input instance with the given arguments and options.
     *
     * @param InputDefinition $definition A InputDefinition instance
     */
    public function bind(InputDefinition $definition)
    {
        $this->arguments = array();
        $this->options = array();
        $this->definition = $definition;

        $this->parse();
    }

    /**
     * Processes command line arguments.
     */
    abstract protected function parse();

    /**
     * Validates the input.
     *
     * @throws \RuntimeException When not enough arguments are given
     */
    public function validate()
    {
        if (count($this->arguments) < $this->definition->getArgumentRequiredCount()) {
            throw new \RuntimeException('Not enough arguments.');
        }
    }

    /**
     * Checks if the input is interactive.
     *
     * @return Boolean Returns true if the input is interactive
     */
    public function isInteractive()
    {
        return $this->interactive;
    }

    /**
     * Sets the input interactivity.
     *
     * @param Boolean $interactive If the input should be interactive
     */
    public function setInteractive($interactive)
    {
        $this->interactive = (Boolean) $interactive;
    }

    /**
     * Returns the argument values.
     *
     * @return array An array of argument values
     */
    public function getArguments()
    {
        return array_merge($this->definition->getArgumentDefaults(), $this->arguments);
    }

    /**
     * Returns the argument value for a given argument name.
     *
     * @param string $name The argument name
     *
     * @return mixed The argument value
     *
     * @throws \InvalidArgumentException When argument given doesn't exist
     */
    public function getArgument($name)
    {
        if (!$this->definition->hasArgument($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        return isset($this->arguments[$name]) ? $this->arguments[$name] : $this->definition->getArgument($name)->getDefault();
    }

    /**
     * Sets an argument value by name.
     *
     * @param string $name  The argument name
     * @param string $value The argument value
     *
     * @throws \InvalidArgumentException When argument given doesn't exist
     */
    public function setArgument($name, $value)
    {
        if (!$this->definition->hasArgument($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        $this->arguments[$name] = $value;
    }

    /**
     * Returns true if an InputArgument object exists by name or position.
     *
     * @param string|integer $name The InputArgument name or position
     *
     * @return Boolean true if the InputArgument object exists, false otherwise
     */
    public function hasArgument($name)
    {
        return $this->definition->hasArgument($name);
    }

    /**
     * Returns the options values.
     *
     * @return array An array of option values
     */
    public function getOptions()
    {
        return array_merge($this->definition->getOptionDefaults(), $this->options);
    }

    /**
     * Returns the option value for a given option name.
     *
     * @param string $name The option name
     *
     * @return mixed The option value
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     */
    public function getOption($name)
    {
        if (!$this->definition->hasOption($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
        }

        return isset($this->options[$name]) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
    }

    /**
     * Sets an option value by name.
     *
     * @param string         $name  The option name
     * @param string|boolean $value The option value
     *
     * @throws \InvalidArgumentException When option given doesn't exist
     */
    public function setOption($name, $value)
    {
        if (!$this->definition->hasOption($name)) {
            throw new \InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
        }

        $this->options[$name] = $value;
    }

    /**
     * Returns true if an InputOption object exists by name.
     *
     * @param string $name The InputOption name
     *
     * @return Boolean true if the InputOption object exists, false otherwise
     */
    public function hasOption($name)
    {
        return $this->definition->hasOption($name);
    }

    /**
     * Escapes a token through escapeshellarg if it contains unsafe chars
     *
     * @param string $token
     *
     * @return string
     */
    public function escapeToken($token)
    {
        return preg_match('{^[\w-]+$}', $token) ? $token : escapeshellarg($token);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

/**
 * ArgvInput represents an input coming from the CLI arguments.
 *
 * Usage:
 *
 *     $input = new ArgvInput();
 *
 * By default, the `$_SERVER['argv']` array is used for the input values.
 *
 * This can be overridden by explicitly passing the input values in the constructor:
 *
 *     $input = new ArgvInput($_SERVER['argv']);
 *
 * If you pass it yourself, don't forget that the first element of the array
 * is the name of the running application.
 *
 * When passing an argument to the constructor, be sure that it respects
 * the same rules as the argv one. It's almost always better to use the
 * `StringInput` when you want to provide your own input.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @see    http://www.gnu.org/software/libc/manual/html_node/Argument-Syntax.html
 * @see    http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap12.html#tag_12_02
 *
 * @api
 */
class ArgvInput extends Input
{
    private $tokens;
    private $parsed;

    /**
     * Constructor.
     *
     * @param array           $argv       An array of parameters from the CLI (in the argv format)
     * @param InputDefinition $definition A InputDefinition instance
     *
     * @api
     */
    public function __construct(array $argv = null, InputDefinition $definition = null)
    {
        if (null === $argv) {
            $argv = $_SERVER['argv'];
        }

        // strip the application name
        array_shift($argv);

        $this->tokens = $argv;

        parent::__construct($definition);
    }

    protected function setTokens(array $tokens)
    {
        $this->tokens = $tokens;
    }

    /**
     * Processes command line arguments.
     */
    protected function parse()
    {
        $parseOptions = true;
        $this->parsed = $this->tokens;
        while (null !== $token = array_shift($this->parsed)) {
            if ($parseOptions && '' == $token) {
                $this->parseArgument($token);
            } elseif ($parseOptions && '--' == $token) {
                $parseOptions = false;
            } elseif ($parseOptions && 0 === strpos($token, '--')) {
                $this->parseLongOption($token);
            } elseif ($parseOptions && '-' === $token[0] && '-' !== $token) {
                $this->parseShortOption($token);
            } else {
                $this->parseArgument($token);
            }
        }
    }

    /**
     * Parses a short option.
     *
     * @param string $token The current token.
     */
    private function parseShortOption($token)
    {
        $name = substr($token, 1);

        if (strlen($name) > 1) {
            if ($this->definition->hasShortcut($name[0]) && $this->definition->getOptionForShortcut($name[0])->acceptValue()) {
                // an option with a value (with no space)
                $this->addShortOption($name[0], substr($name, 1));
            } else {
                $this->parseShortOptionSet($name);
            }
        } else {
            $this->addShortOption($name, null);
        }
    }

    /**
     * Parses a short option set.
     *
     * @param string $name The current token
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function parseShortOptionSet($name)
    {
        $len = strlen($name);
        for ($i = 0; $i < $len; $i++) {
            if (!$this->definition->hasShortcut($name[$i])) {
                throw new \RuntimeException(sprintf('The "-%s" option does not exist.', $name[$i]));
            }

            $option = $this->definition->getOptionForShortcut($name[$i]);
            if ($option->acceptValue()) {
                $this->addLongOption($option->getName(), $i === $len - 1 ? null : substr($name, $i + 1));

                break;
            } else {
                $this->addLongOption($option->getName(), null);
            }
        }
    }

    /**
     * Parses a long option.
     *
     * @param string $token The current token
     */
    private function parseLongOption($token)
    {
        $name = substr($token, 2);

        if (false !== $pos = strpos($name, '=')) {
            $this->addLongOption(substr($name, 0, $pos), substr($name, $pos + 1));
        } else {
            $this->addLongOption($name, null);
        }
    }

    /**
     * Parses an argument.
     *
     * @param string $token The current token
     *
     * @throws \RuntimeException When too many arguments are given
     */
    private function parseArgument($token)
    {
        $c = count($this->arguments);

        // if input is expecting another argument, add it
        if ($this->definition->hasArgument($c)) {
            $arg = $this->definition->getArgument($c);
            $this->arguments[$arg->getName()] = $arg->isArray()? array($token) : $token;

        // if last argument isArray(), append token to last argument
        } elseif ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) {
            $arg = $this->definition->getArgument($c - 1);
            $this->arguments[$arg->getName()][] = $token;

        // unexpected argument
        } else {
            throw new \RuntimeException('Too many arguments.');
        }
    }

    /**
     * Adds a short option value.
     *
     * @param string $shortcut The short option key
     * @param mixed  $value    The value for the option
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function addShortOption($shortcut, $value)
    {
        if (!$this->definition->hasShortcut($shortcut)) {
            throw new \RuntimeException(sprintf('The "-%s" option does not exist.', $shortcut));
        }

        $this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
    }

    /**
     * Adds a long option value.
     *
     * @param string $name  The long option key
     * @param mixed  $value The value for the option
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function addLongOption($name, $value)
    {
        if (!$this->definition->hasOption($name)) {
            throw new \RuntimeException(sprintf('The "--%s" option does not exist.', $name));
        }

        $option = $this->definition->getOption($name);

        // Convert false values (from a previous call to substr()) to null
        if (false === $value) {
            $value = null;
        }

        if (null !== $value && !$option->acceptValue()) {
            throw new \RuntimeException(sprintf('The "--%s" option does not accept a value.', $name, $value));
        }

        if (null === $value && $option->acceptValue() && count($this->parsed)) {
            // if option accepts an optional or mandatory argument
            // let's see if there is one provided
            $next = array_shift($this->parsed);
            if (isset($next[0]) && '-' !== $next[0]) {
                $value = $next;
            } elseif (empty($next)) {
                $value = '';
            } else {
                array_unshift($this->parsed, $next);
            }
        }

        if (null === $value) {
            if ($option->isValueRequired()) {
                throw new \RuntimeException(sprintf('The "--%s" option requires a value.', $name));
            }

            if (!$option->isArray()) {
                $value = $option->isValueOptional() ? $option->getDefault() : true;
            }
        }

        if ($option->isArray()) {
            $this->options[$name][] = $value;
        } else {
            $this->options[$name] = $value;
        }
    }

    /**
     * Returns the first argument from the raw parameters (not parsed).
     *
     * @return string The value of the first argument or null otherwise
     */
    public function getFirstArgument()
    {
        foreach ($this->tokens as $token) {
            if ($token && '-' === $token[0]) {
                continue;
            }

            return $token;
        }
    }

    /**
     * Returns true if the raw parameters (not parsed) contain a value.
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values The value(s) to look for in the raw parameters (can be an array)
     *
     * @return Boolean true if the value is contained in the raw parameters
     */
    public function hasParameterOption($values)
    {
        $values = (array) $values;

        foreach ($this->tokens as $token) {
            foreach ($values as $value) {
                if ($token === $value || 0 === strpos($token, $value.'=')) {
                    return true;
                }
            }
        }

        return false;
    }

    /**
     * Returns the value of a raw option (not parsed).
     *
     * This method is to be used to introspect the input parameters
     * before they have been validated. It must be used carefully.
     *
     * @param string|array $values  The value(s) to look for in the raw parameters (can be an array)
     * @param mixed        $default The default value to return if no result is found
     *
     * @return mixed The option value
     */
    public function getParameterOption($values, $default = false)
    {
        $values = (array) $values;

        $tokens = $this->tokens;
        while ($token = array_shift($tokens)) {
            foreach ($values as $value) {
                if ($token === $value || 0 === strpos($token, $value.'=')) {
                    if (false !== $pos = strpos($token, '=')) {
                        return substr($token, $pos + 1);
                    }

                    return array_shift($tokens);
                }
            }
        }

        return $default;
    }

    /**
     * Returns a stringified representation of the args passed to the command
     *
     * @return string
     */
    public function __toString()
    {
        $self = $this;
        $tokens = array_map(function ($token) use ($self) {
            if (preg_match('{^(-[^=]+=)(.+)}', $token, $match)) {
                return $match[1] . $self->escapeToken($match[2]);
            }

            if ($token && $token[0] !== '-') {
                return $self->escapeToken($token);
            }

            return $token;
        }, $this->tokens);

        return implode(' ', $tokens);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Command;

use Symfony\Component\Console\Helper\DescriptorHelper;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * HelpCommand displays the help for a given command.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class HelpCommand extends Command
{
    private $command;

    /**
     * {@inheritdoc}
     */
    protected function configure()
    {
        $this->ignoreValidationErrors();

        $this
            ->setName('help')
            ->setDefinition(array(
                new InputArgument('command_name', InputArgument::OPTIONAL, 'The command name', 'help'),
                new InputOption('xml', null, InputOption::VALUE_NONE, 'To output help as XML'),
                new InputOption('format', null, InputOption::VALUE_REQUIRED, 'To output help in other formats', 'txt'),
                new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command help'),
            ))
            ->setDescription('Displays help for a command')
            ->setHelp(<<<EOF
The <info>%command.name%</info> command displays help for a given command:

  <info>php %command.full_name% list</info>

You can also output the help in other formats by using the <comment>--format</comment> option:

  <info>php %command.full_name% --format=xml list</info>

To display the list of available commands, please use the <info>list</info> command.
EOF
            )
        ;
    }

    /**
     * Sets the command
     *
     * @param Command $command The command to set
     */
    public function setCommand(Command $command)
    {
        $this->command = $command;
    }

    /**
     * {@inheritdoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        if (null === $this->command) {
            $this->command = $this->getApplication()->find($input->getArgument('command_name'));
        }

        if ($input->getOption('xml')) {
            $input->setOption('format', 'xml');
        }

        $helper = new DescriptorHelper();
        $helper->describe($output, $this->command, array(
            'format' => $input->getOption('format'),
            'raw'    => $input->getOption('raw'),
        ));

        $this->command = null;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Command;

use Symfony\Component\Console\Descriptor\TextDescriptor;
use Symfony\Component\Console\Descriptor\XmlDescriptor;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Application;
use Symfony\Component\Console\Helper\HelperSet;

/**
 * Base class for all commands.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class Command
{
    private $application;
    private $name;
    private $aliases = array();
    private $definition;
    private $help;
    private $description;
    private $ignoreValidationErrors = false;
    private $applicationDefinitionMerged = false;
    private $applicationDefinitionMergedWithArgs = false;
    private $code;
    private $synopsis;
    private $helperSet;

    /**
     * Constructor.
     *
     * @param string|null $name The name of the command; passing null means it must be set in configure()
     *
     * @throws \LogicException When the command name is empty
     *
     * @api
     */
    public function __construct($name = null)
    {
        $this->definition = new InputDefinition();

        if (null !== $name) {
            $this->setName($name);
        }

        $this->configure();

        if (!$this->name) {
            throw new \LogicException('The command name cannot be empty.');
        }
    }

    /**
     * Ignores validation errors.
     *
     * This is mainly useful for the help command.
     */
    public function ignoreValidationErrors()
    {
        $this->ignoreValidationErrors = true;
    }

    /**
     * Sets the application instance for this command.
     *
     * @param Application $application An Application instance
     *
     * @api
     */
    public function setApplication(Application $application = null)
    {
        $this->application = $application;
        if ($application) {
            $this->setHelperSet($application->getHelperSet());
        } else {
            $this->helperSet = null;
        }
    }

    /**
     * Sets the helper set.
     *
     * @param HelperSet $helperSet A HelperSet instance
     */
    public function setHelperSet(HelperSet $helperSet)
    {
        $this->helperSet = $helperSet;
    }

    /**
     * Gets the helper set.
     *
     * @return HelperSet A HelperSet instance
     */
    public function getHelperSet()
    {
        return $this->helperSet;
    }

    /**
     * Gets the application instance for this command.
     *
     * @return Application An Application instance
     *
     * @api
     */
    public function getApplication()
    {
        return $this->application;
    }

    /**
     * Checks whether the command is enabled or not in the current environment
     *
     * Override this to check for x or y and return false if the command can not
     * run properly under the current conditions.
     *
     * @return Boolean
     */
    public function isEnabled()
    {
        return true;
    }

    /**
     * Configures the current command.
     */
    protected function configure()
    {
    }

    /**
     * Executes the current command.
     *
     * This method is not abstract because you can use this class
     * as a concrete class. In this case, instead of defining the
     * execute() method, you set the code to execute by passing
     * a Closure to the setCode() method.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     *
     * @return null|integer null or 0 if everything went fine, or an error code
     *
     * @throws \LogicException When this abstract method is not implemented
     * @see    setCode()
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        throw new \LogicException('You must override the execute() method in the concrete command class.');
    }

    /**
     * Interacts with the user.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     */
    protected function interact(InputInterface $input, OutputInterface $output)
    {
    }

    /**
     * Initializes the command just after the input has been validated.
     *
     * This is mainly useful when a lot of commands extends one main command
     * where some things need to be initialized based on the input arguments and options.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     */
    protected function initialize(InputInterface $input, OutputInterface $output)
    {
    }

    /**
     * Runs the command.
     *
     * The code to execute is either defined directly with the
     * setCode() method or by overriding the execute() method
     * in a sub-class.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     *
     * @return integer The command exit code
     *
     * @throws \Exception
     *
     * @see setCode()
     * @see execute()
     *
     * @api
     */
    public function run(InputInterface $input, OutputInterface $output)
    {
        // force the creation of the synopsis before the merge with the app definition
        $this->getSynopsis();

        // add the application arguments and options
        $this->mergeApplicationDefinition();

        // bind the input against the command specific arguments/options
        try {
            $input->bind($this->definition);
        } catch (\Exception $e) {
            if (!$this->ignoreValidationErrors) {
                throw $e;
            }
        }

        $this->initialize($input, $output);

        if ($input->isInteractive()) {
            $this->interact($input, $output);
        }

        $input->validate();

        if ($this->code) {
            $statusCode = call_user_func($this->code, $input, $output);
        } else {
            $statusCode = $this->execute($input, $output);
        }

        return is_numeric($statusCode) ? (int) $statusCode : 0;
    }

    /**
     * Sets the code to execute when running this command.
     *
     * If this method is used, it overrides the code defined
     * in the execute() method.
     *
     * @param callable $code A callable(InputInterface $input, OutputInterface $output)
     *
     * @return Command The current instance
     *
     * @throws \InvalidArgumentException
     *
     * @see execute()
     *
     * @api
     */
    public function setCode($code)
    {
        if (!is_callable($code)) {
            throw new \InvalidArgumentException('Invalid callable provided to Command::setCode.');
        }

        $this->code = $code;

        return $this;
    }

    /**
     * Merges the application definition with the command definition.
     *
     * This method is not part of public API and should not be used directly.
     *
     * @param Boolean $mergeArgs Whether to merge or not the Application definition arguments to Command definition arguments
     */
    public function mergeApplicationDefinition($mergeArgs = true)
    {
        if (null === $this->application || (true === $this->applicationDefinitionMerged && ($this->applicationDefinitionMergedWithArgs || !$mergeArgs))) {
            return;
        }

        if ($mergeArgs) {
            $currentArguments = $this->definition->getArguments();
            $this->definition->setArguments($this->application->getDefinition()->getArguments());
            $this->definition->addArguments($currentArguments);
        }

        $this->definition->addOptions($this->application->getDefinition()->getOptions());

        $this->applicationDefinitionMerged = true;
        if ($mergeArgs) {
            $this->applicationDefinitionMergedWithArgs = true;
        }
    }

    /**
     * Sets an array of argument and option instances.
     *
     * @param array|InputDefinition $definition An array of argument and option instances or a definition instance
     *
     * @return Command The current instance
     *
     * @api
     */
    public function setDefinition($definition)
    {
        if ($definition instanceof InputDefinition) {
            $this->definition = $definition;
        } else {
            $this->definition->setDefinition($definition);
        }

        $this->applicationDefinitionMerged = false;

        return $this;
    }

    /**
     * Gets the InputDefinition attached to this Command.
     *
     * @return InputDefinition An InputDefinition instance
     *
     * @api
     */
    public function getDefinition()
    {
        return $this->definition;
    }

    /**
     * Gets the InputDefinition to be used to create XML and Text representations of this Command.
     *
     * Can be overridden to provide the original command representation when it would otherwise
     * be changed by merging with the application InputDefinition.
     *
     * This method is not part of public API and should not be used directly.
     *
     * @return InputDefinition An InputDefinition instance
     */
    public function getNativeDefinition()
    {
        return $this->getDefinition();
    }

    /**
     * Adds an argument.
     *
     * @param string  $name        The argument name
     * @param integer $mode        The argument mode: InputArgument::REQUIRED or InputArgument::OPTIONAL
     * @param string  $description A description text
     * @param mixed   $default     The default value (for InputArgument::OPTIONAL mode only)
     *
     * @return Command The current instance
     *
     * @api
     */
    public function addArgument($name, $mode = null, $description = '', $default = null)
    {
        $this->definition->addArgument(new InputArgument($name, $mode, $description, $default));

        return $this;
    }

    /**
     * Adds an option.
     *
     * @param string  $name        The option name
     * @param string  $shortcut    The shortcut (can be null)
     * @param integer $mode        The option mode: One of the InputOption::VALUE_* constants
     * @param string  $description A description text
     * @param mixed   $default     The default value (must be null for InputOption::VALUE_REQUIRED or InputOption::VALUE_NONE)
     *
     * @return Command The current instance
     *
     * @api
     */
    public function addOption($name, $shortcut = null, $mode = null, $description = '', $default = null)
    {
        $this->definition->addOption(new InputOption($name, $shortcut, $mode, $description, $default));

        return $this;
    }

    /**
     * Sets the name of the command.
     *
     * This method can set both the namespace and the name if
     * you separate them by a colon (:)
     *
     *     $command->setName('foo:bar');
     *
     * @param string $name The command name
     *
     * @return Command The current instance
     *
     * @throws \InvalidArgumentException When the name is invalid
     *
     * @api
     */
    public function setName($name)
    {
        $this->validateName($name);

        $this->name = $name;

        return $this;
    }

    /**
     * Returns the command name.
     *
     * @return string The command name
     *
     * @api
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Sets the description for the command.
     *
     * @param string $description The description for the command
     *
     * @return Command The current instance
     *
     * @api
     */
    public function setDescription($description)
    {
        $this->description = $description;

        return $this;
    }

    /**
     * Returns the description for the command.
     *
     * @return string The description for the command
     *
     * @api
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * Sets the help for the command.
     *
     * @param string $help The help for the command
     *
     * @return Command The current instance
     *
     * @api
     */
    public function setHelp($help)
    {
        $this->help = $help;

        return $this;
    }

    /**
     * Returns the help for the command.
     *
     * @return string The help for the command
     *
     * @api
     */
    public function getHelp()
    {
        return $this->help;
    }

    /**
     * Returns the processed help for the command replacing the %command.name% and
     * %command.full_name% patterns with the real values dynamically.
     *
     * @return string  The processed help for the command
     */
    public function getProcessedHelp()
    {
        $name = $this->name;

        $placeholders = array(
            '%command.name%',
            '%command.full_name%'
        );
        $replacements = array(
            $name,
            $_SERVER['PHP_SELF'].' '.$name
        );

        return str_replace($placeholders, $replacements, $this->getHelp());
    }

    /**
     * Sets the aliases for the command.
     *
     * @param array $aliases An array of aliases for the command
     *
     * @return Command The current instance
     *
     * @throws \InvalidArgumentException When an alias is invalid
     *
     * @api
     */
    public function setAliases($aliases)
    {
        foreach ($aliases as $alias) {
            $this->validateName($alias);
        }

        $this->aliases = $aliases;

        return $this;
    }

    /**
     * Returns the aliases for the command.
     *
     * @return array An array of aliases for the command
     *
     * @api
     */
    public function getAliases()
    {
        return $this->aliases;
    }

    /**
     * Returns the synopsis for the command.
     *
     * @return string The synopsis
     */
    public function getSynopsis()
    {
        if (null === $this->synopsis) {
            $this->synopsis = trim(sprintf('%s %s', $this->name, $this->definition->getSynopsis()));
        }

        return $this->synopsis;
    }

    /**
     * Gets a helper instance by name.
     *
     * @param string $name The helper name
     *
     * @return mixed The helper value
     *
     * @throws \InvalidArgumentException if the helper is not defined
     *
     * @api
     */
    public function getHelper($name)
    {
        return $this->helperSet->get($name);
    }

    /**
     * Returns a text representation of the command.
     *
     * @return string A string representing the command
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asText()
    {
        $descriptor = new TextDescriptor();
        $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, true);
        $descriptor->describe($output, $this, array('raw_output' => true));

        return $output->fetch();
    }

    /**
     * Returns an XML representation of the command.
     *
     * @param Boolean $asDom Whether to return a DOM or an XML string
     *
     * @return string|\DOMDocument An XML string representing the command
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asXml($asDom = false)
    {
        $descriptor = new XmlDescriptor();

        if ($asDom) {
            return $descriptor->getCommandDocument($this);
        }

        $output = new BufferedOutput();
        $descriptor->describe($output, $this);

        return $output->fetch();
    }

    /**
     * Validates a command name.
     *
     * It must be non-empty and parts can optionally be separated by ":".
     *
     * @param string $name
     *
     * @throws \InvalidArgumentException When the name is invalid
     */
    private function validateName($name)
    {
        if (!preg_match('/^[^\:]++(\:[^\:]++)*$/', $name)) {
            throw new \InvalidArgumentException(sprintf('Command name "%s" is invalid.', $name));
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Command;

use Symfony\Component\Console\Helper\DescriptorHelper;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Input\InputDefinition;

/**
 * ListCommand displays the list of all available commands for the application.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ListCommand extends Command
{
    /**
     * {@inheritdoc}
     */
    protected function configure()
    {
        $this
            ->setName('list')
            ->setDefinition($this->createDefinition())
            ->setDescription('Lists commands')
            ->setHelp(<<<EOF
The <info>%command.name%</info> command lists all commands:

  <info>php %command.full_name%</info>

You can also display the commands for a specific namespace:

  <info>php %command.full_name% test</info>

You can also output the information in other formats by using the <comment>--format</comment> option:

  <info>php %command.full_name% --format=xml</info>

It's also possible to get raw list of commands (useful for embedding command runner):

  <info>php %command.full_name% --raw</info>
EOF
            )
        ;
    }

    /**
     * {@inheritdoc}
     */
    public function getNativeDefinition()
    {
        return $this->createDefinition();
    }

    /**
     * {@inheritdoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        if ($input->getOption('xml')) {
            $input->setOption('format', 'xml');
        }

        $helper = new DescriptorHelper();
        $helper->describe($output, $this->getApplication(), array(
            'format'    => $input->getOption('format'),
            'raw_text'  => $input->getOption('raw'),
            'namespace' => $input->getArgument('namespace'),
        ));
    }

    /**
     * {@inheritdoc}
     */
    private function createDefinition()
    {
        return new InputDefinition(array(
            new InputArgument('namespace', InputArgument::OPTIONAL, 'The namespace name'),
            new InputOption('xml', null, InputOption::VALUE_NONE, 'To output list as XML'),
            new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command list'),
            new InputOption('format', null, InputOption::VALUE_REQUIRED, 'To output list in other formats', 'txt'),
        ));
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Descriptor\TextDescriptor;
use Symfony\Component\Console\Descriptor\XmlDescriptor;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputAwareInterface;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Command\HelpCommand;
use Symfony\Component\Console\Command\ListCommand;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Helper\DialogHelper;
use Symfony\Component\Console\Helper\ProgressHelper;
use Symfony\Component\Console\Helper\TableHelper;
use Symfony\Component\Console\Event\ConsoleCommandEvent;
use Symfony\Component\Console\Event\ConsoleExceptionEvent;
use Symfony\Component\Console\Event\ConsoleTerminateEvent;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * An Application is the container for a collection of commands.
 *
 * It is the main entry point of a Console application.
 *
 * This class is optimized for a standard CLI environment.
 *
 * Usage:
 *
 *     $app = new Application('myapp', '1.0 (stable)');
 *     $app->add(new SimpleCommand());
 *     $app->run();
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class Application
{
    private $commands = array();
    private $wantHelps = false;
    private $runningCommand;
    private $name;
    private $version;
    private $catchExceptions = true;
    private $autoExit = true;
    private $definition;
    private $helperSet;
    private $dispatcher;
    private $terminalDimensions;

    /**
     * Constructor.
     *
     * @param string $name    The name of the application
     * @param string $version The version of the application
     *
     * @api
     */
    public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
    {
        $this->name = $name;
        $this->version = $version;
        $this->helperSet = $this->getDefaultHelperSet();
        $this->definition = $this->getDefaultInputDefinition();

        foreach ($this->getDefaultCommands() as $command) {
            $this->add($command);
        }
    }

    public function setDispatcher(EventDispatcherInterface $dispatcher)
    {
        $this->dispatcher = $dispatcher;
    }

    /**
     * Runs the current application.
     *
     * @param InputInterface  $input  An Input instance
     * @param OutputInterface $output An Output instance
     *
     * @return integer 0 if everything went fine, or an error code
     *
     * @throws \Exception When doRun returns Exception
     *
     * @api
     */
    public function run(InputInterface $input = null, OutputInterface $output = null)
    {
        if (null === $input) {
            $input = new ArgvInput();
        }

        if (null === $output) {
            $output = new ConsoleOutput();
        }

        $this->configureIO($input, $output);

        try {
            $exitCode = $this->doRun($input, $output);
        } catch (\Exception $e) {
            if (!$this->catchExceptions) {
                throw $e;
            }

            if ($output instanceof ConsoleOutputInterface) {
                $this->renderException($e, $output->getErrorOutput());
            } else {
                $this->renderException($e, $output);
            }

            $exitCode = $e->getCode();
            if (is_numeric($exitCode)) {
                $exitCode = (int) $exitCode;
                if (0 === $exitCode) {
                    $exitCode = 1;
                }
            } else {
                $exitCode = 1;
            }
        }

        if ($this->autoExit) {
            if ($exitCode > 255) {
                $exitCode = 255;
            }
            // @codeCoverageIgnoreStart
            exit($exitCode);
            // @codeCoverageIgnoreEnd
        }

        return $exitCode;
    }

    /**
     * Runs the current application.
     *
     * @param InputInterface  $input  An Input instance
     * @param OutputInterface $output An Output instance
     *
     * @return integer 0 if everything went fine, or an error code
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(array('--version', '-V'))) {
            $output->writeln($this->getLongVersion());

            return 0;
        }

        $name = $this->getCommandName($input);
        if (true === $input->hasParameterOption(array('--help', '-h'))) {
            if (!$name) {
                $name = 'help';
                $input = new ArrayInput(array('command' => 'help'));
            } else {
                $this->wantHelps = true;
            }
        }

        if (!$name) {
            $name = 'list';
            $input = new ArrayInput(array('command' => 'list'));
        }

        // the command name MUST be the first element of the input
        $command = $this->find($name);

        $this->runningCommand = $command;
        $exitCode = $this->doRunCommand($command, $input, $output);
        $this->runningCommand = null;

        return $exitCode;
    }

    /**
     * Set a helper set to be used with the command.
     *
     * @param HelperSet $helperSet The helper set
     *
     * @api
     */
    public function setHelperSet(HelperSet $helperSet)
    {
        $this->helperSet = $helperSet;
    }

    /**
     * Get the helper set associated with the command.
     *
     * @return HelperSet The HelperSet instance associated with this command
     *
     * @api
     */
    public function getHelperSet()
    {
        return $this->helperSet;
    }

    /**
     * Set an input definition set to be used with this application
     *
     * @param InputDefinition $definition The input definition
     *
     * @api
     */
    public function setDefinition(InputDefinition $definition)
    {
        $this->definition = $definition;
    }

    /**
     * Gets the InputDefinition related to this Application.
     *
     * @return InputDefinition The InputDefinition instance
     */
    public function getDefinition()
    {
        return $this->definition;
    }

    /**
     * Gets the help message.
     *
     * @return string A help message.
     */
    public function getHelp()
    {
        $messages = array(
            $this->getLongVersion(),
            '',
            '<comment>Usage:</comment>',
            '  [options] command [arguments]',
            '',
            '<comment>Options:</comment>',
        );

        foreach ($this->getDefinition()->getOptions() as $option) {
            $messages[] = sprintf('  %-29s %s %s',
                '<info>--'.$option->getName().'</info>',
                $option->getShortcut() ? '<info>-'.$option->getShortcut().'</info>' : '  ',
                $option->getDescription()
            );
        }

        return implode(PHP_EOL, $messages);
    }

    /**
     * Sets whether to catch exceptions or not during commands execution.
     *
     * @param Boolean $boolean Whether to catch exceptions or not during commands execution
     *
     * @api
     */
    public function setCatchExceptions($boolean)
    {
        $this->catchExceptions = (Boolean) $boolean;
    }

    /**
     * Sets whether to automatically exit after a command execution or not.
     *
     * @param Boolean $boolean Whether to automatically exit after a command execution or not
     *
     * @api
     */
    public function setAutoExit($boolean)
    {
        $this->autoExit = (Boolean) $boolean;
    }

    /**
     * Gets the name of the application.
     *
     * @return string The application name
     *
     * @api
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Sets the application name.
     *
     * @param string $name The application name
     *
     * @api
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * Gets the application version.
     *
     * @return string The application version
     *
     * @api
     */
    public function getVersion()
    {
        return $this->version;
    }

    /**
     * Sets the application version.
     *
     * @param string $version The application version
     *
     * @api
     */
    public function setVersion($version)
    {
        $this->version = $version;
    }

    /**
     * Returns the long version of the application.
     *
     * @return string The long application version
     *
     * @api
     */
    public function getLongVersion()
    {
        if ('UNKNOWN' !== $this->getName() && 'UNKNOWN' !== $this->getVersion()) {
            return sprintf('<info>%s</info> version <comment>%s</comment>', $this->getName(), $this->getVersion());
        }

        return '<info>Console Tool</info>';
    }

    /**
     * Registers a new command.
     *
     * @param string $name The command name
     *
     * @return Command The newly created command
     *
     * @api
     */
    public function register($name)
    {
        return $this->add(new Command($name));
    }

    /**
     * Adds an array of command objects.
     *
     * @param Command[] $commands An array of commands
     *
     * @api
     */
    public function addCommands(array $commands)
    {
        foreach ($commands as $command) {
            $this->add($command);
        }
    }

    /**
     * Adds a command object.
     *
     * If a command with the same name already exists, it will be overridden.
     *
     * @param Command $command A Command object
     *
     * @return Command The registered command
     *
     * @api
     */
    public function add(Command $command)
    {
        $command->setApplication($this);

        if (!$command->isEnabled()) {
            $command->setApplication(null);

            return;
        }

        if (null === $command->getDefinition()) {
            throw new \LogicException(sprintf('Command class "%s" is not correctly initialized. You probably forgot to call the parent constructor.', get_class($command)));
        }

        $this->commands[$command->getName()] = $command;

        foreach ($command->getAliases() as $alias) {
            $this->commands[$alias] = $command;
        }

        return $command;
    }

    /**
     * Returns a registered command by name or alias.
     *
     * @param string $name The command name or alias
     *
     * @return Command A Command object
     *
     * @throws \InvalidArgumentException When command name given does not exist
     *
     * @api
     */
    public function get($name)
    {
        if (!isset($this->commands[$name])) {
            throw new \InvalidArgumentException(sprintf('The command "%s" does not exist.', $name));
        }

        $command = $this->commands[$name];

        if ($this->wantHelps) {
            $this->wantHelps = false;

            $helpCommand = $this->get('help');
            $helpCommand->setCommand($command);

            return $helpCommand;
        }

        return $command;
    }

    /**
     * Returns true if the command exists, false otherwise.
     *
     * @param string $name The command name or alias
     *
     * @return Boolean true if the command exists, false otherwise
     *
     * @api
     */
    public function has($name)
    {
        return isset($this->commands[$name]);
    }

    /**
     * Returns an array of all unique namespaces used by currently registered commands.
     *
     * It does not returns the global namespace which always exists.
     *
     * @return array An array of namespaces
     */
    public function getNamespaces()
    {
        $namespaces = array();
        foreach ($this->commands as $command) {
            $namespaces[] = $this->extractNamespace($command->getName());

            foreach ($command->getAliases() as $alias) {
                $namespaces[] = $this->extractNamespace($alias);
            }
        }

        return array_values(array_unique(array_filter($namespaces)));
    }

    /**
     * Finds a registered namespace by a name or an abbreviation.
     *
     * @param string $namespace A namespace or abbreviation to search for
     *
     * @return string A registered namespace
     *
     * @throws \InvalidArgumentException When namespace is incorrect or ambiguous
     */
    public function findNamespace($namespace)
    {
        $allNamespaces = $this->getNamespaces();
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $namespace);
        $namespaces = preg_grep('{^'.$expr.'}', $allNamespaces);

        if (empty($namespaces)) {
            $message = sprintf('There are no commands defined in the "%s" namespace.', $namespace);

            if ($alternatives = $this->findAlternatives($namespace, $allNamespaces, array())) {
                if (1 == count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }

                $message .= implode("\n    ", $alternatives);
            }

            throw new \InvalidArgumentException($message);
        }

        $exact = in_array($namespace, $namespaces, true);
        if (count($namespaces) > 1 && !$exact) {
            throw new \InvalidArgumentException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions(array_values($namespaces))));
        }

        return $exact ? $namespace : reset($namespaces);
    }

    /**
     * Finds a command by name or alias.
     *
     * Contrary to get, this command tries to find the best
     * match if you give it an abbreviation of a name or alias.
     *
     * @param string $name A command name or a command alias
     *
     * @return Command A Command instance
     *
     * @throws \InvalidArgumentException When command name is incorrect or ambiguous
     *
     * @api
     */
    public function find($name)
    {
        $allCommands = array_keys($this->commands);
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $name);
        $commands = preg_grep('{^'.$expr.'}', $allCommands);

        if (empty($commands) || count(preg_grep('{^'.$expr.'$}', $commands)) < 1) {
            if (false !== $pos = strrpos($name, ':')) {
                // check if a namespace exists and contains commands
                $this->findNamespace(substr($name, 0, $pos));
            }

            $message = sprintf('Command "%s" is not defined.', $name);

            if ($alternatives = $this->findAlternatives($name, $allCommands, array())) {
                if (1 == count($alternatives)) {
                    $message .= "\n\nDid you mean this?\n    ";
                } else {
                    $message .= "\n\nDid you mean one of these?\n    ";
                }
                $message .= implode("\n    ", $alternatives);
            }

            throw new \InvalidArgumentException($message);
        }

        // filter out aliases for commands which are already on the list
        if (count($commands) > 1) {
            $commandList = $this->commands;
            $commands = array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) {
                $commandName = $commandList[$nameOrAlias]->getName();

                return $commandName === $nameOrAlias || !in_array($commandName, $commands);
            });
        }

        $exact = in_array($name, $commands, true);
        if (count($commands) > 1 && !$exact) {
            $suggestions = $this->getAbbreviationSuggestions(array_values($commands));

            throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $name, $suggestions));
        }

        return $this->get($exact ? $name : reset($commands));
    }

    /**
     * Gets the commands (registered in the given namespace if provided).
     *
     * The array keys are the full names and the values the command instances.
     *
     * @param string $namespace A namespace name
     *
     * @return Command[] An array of Command instances
     *
     * @api
     */
    public function all($namespace = null)
    {
        if (null === $namespace) {
            return $this->commands;
        }

        $commands = array();
        foreach ($this->commands as $name => $command) {
            if ($namespace === $this->extractNamespace($name, substr_count($namespace, ':') + 1)) {
                $commands[$name] = $command;
            }
        }

        return $commands;
    }

    /**
     * Returns an array of possible abbreviations given a set of names.
     *
     * @param array $names An array of names
     *
     * @return array An array of abbreviations
     */
    public static function getAbbreviations($names)
    {
        $abbrevs = array();
        foreach ($names as $name) {
            for ($len = strlen($name); $len > 0; --$len) {
                $abbrev = substr($name, 0, $len);
                $abbrevs[$abbrev][] = $name;
            }
        }

        return $abbrevs;
    }

    /**
     * Returns a text representation of the Application.
     *
     * @param string  $namespace An optional namespace name
     * @param boolean $raw       Whether to return raw command list
     *
     * @return string A string representing the Application
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asText($namespace = null, $raw = false)
    {
        $descriptor = new TextDescriptor();
        $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, !$raw);
        $descriptor->describe($output, $this, array('namespace' => $namespace, 'raw_output' => true));

        return $output->fetch();
    }

    /**
     * Returns an XML representation of the Application.
     *
     * @param string  $namespace An optional namespace name
     * @param Boolean $asDom     Whether to return a DOM or an XML string
     *
     * @return string|\DOMDocument An XML string representing the Application
     *
     * @deprecated Deprecated since version 2.3, to be removed in 3.0.
     */
    public function asXml($namespace = null, $asDom = false)
    {
        $descriptor = new XmlDescriptor();

        if ($asDom) {
            return $descriptor->getApplicationDocument($this, $namespace);
        }

        $output = new BufferedOutput();
        $descriptor->describe($output, $this, array('namespace' => $namespace));

        return $output->fetch();
    }

    /**
     * Renders a caught exception.
     *
     * @param \Exception       $e      An exception instance
     * @param OutputInterface $output An OutputInterface instance
     */
    public function renderException($e, $output)
    {
        $strlen = function ($string) {
            if (!function_exists('mb_strlen')) {
                return strlen($string);
            }

            if (false === $encoding = mb_detect_encoding($string)) {
                return strlen($string);
            }

            return mb_strlen($string, $encoding);
        };

        do {
            $title = sprintf('  [%s]  ', get_class($e));
            $len = $strlen($title);
            // HHVM only accepts 32 bits integer in str_split, even when PHP_INT_MAX is a 64 bit integer: https://github.com/facebook/hhvm/issues/1327
            $width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : (defined('HHVM_VERSION') ? 1 << 31 : PHP_INT_MAX);
            $formatter = $output->getFormatter();
            $lines = array();
            foreach (preg_split('/\r?\n/', $e->getMessage()) as $line) {
                foreach (str_split($line, $width - 4) as $line) {
                    // pre-format lines to get the right string length
                    $lineLength = $strlen(preg_replace('/\[[^m]*m/', '', $formatter->format($line))) + 4;
                    $lines[] = array($line, $lineLength);

                    $len = max($lineLength, $len);
                }
            }

            $messages = array('', '');
            $messages[] = $emptyLine = $formatter->format(sprintf('<error>%s</error>', str_repeat(' ', $len)));
            $messages[] = $formatter->format(sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - $strlen($title)))));
            foreach ($lines as $line) {
                $messages[] = $formatter->format(sprintf('<error>  %s  %s</error>', $line[0], str_repeat(' ', $len - $line[1])));
            }
            $messages[] = $emptyLine;
            $messages[] = '';
            $messages[] = '';

            $output->writeln($messages, OutputInterface::OUTPUT_RAW);

            if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $output->writeln('<comment>Exception trace:</comment>');

                // exception related properties
                $trace = $e->getTrace();
                array_unshift($trace, array(
                    'function' => '',
                    'file'     => $e->getFile() != null ? $e->getFile() : 'n/a',
                    'line'     => $e->getLine() != null ? $e->getLine() : 'n/a',
                    'args'     => array(),
                ));

                for ($i = 0, $count = count($trace); $i < $count; $i++) {
                    $class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
                    $type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
                    $function = $trace[$i]['function'];
                    $file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
                    $line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';

                    $output->writeln(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line));
                }

                $output->writeln("");
                $output->writeln("");
            }
        } while ($e = $e->getPrevious());

        if (null !== $this->runningCommand) {
            $output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())));
            $output->writeln("");
            $output->writeln("");
        }
    }

    /**
     * Tries to figure out the terminal width in which this application runs
     *
     * @return int|null
     */
    protected function getTerminalWidth()
    {
        $dimensions = $this->getTerminalDimensions();

        return $dimensions[0];
    }

    /**
     * Tries to figure out the terminal height in which this application runs
     *
     * @return int|null
     */
    protected function getTerminalHeight()
    {
        $dimensions = $this->getTerminalDimensions();

        return $dimensions[1];
    }

    /**
     * Tries to figure out the terminal dimensions based on the current environment
     *
     * @return array Array containing width and height
     */
    public function getTerminalDimensions()
    {
        if ($this->terminalDimensions) {
            return $this->terminalDimensions;
        }

        if (defined('PHP_WINDOWS_VERSION_BUILD')) {
            // extract [w, H] from "wxh (WxH)"
            if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
                return array((int) $matches[1], (int) $matches[2]);
            }
            // extract [w, h] from "wxh"
            if (preg_match('/^(\d+)x(\d+)$/', $this->getConsoleMode(), $matches)) {
                return array((int) $matches[1], (int) $matches[2]);
            }
        }

        if ($sttyString = $this->getSttyColumns()) {
            // extract [w, h] from "rows h; columns w;"
            if (preg_match('/rows.(\d+);.columns.(\d+);/i', $sttyString, $matches)) {
                return array((int) $matches[2], (int) $matches[1]);
            }
            // extract [w, h] from "; h rows; w columns"
            if (preg_match('/;.(\d+).rows;.(\d+).columns/i', $sttyString, $matches)) {
                return array((int) $matches[2], (int) $matches[1]);
            }
        }

        return array(null, null);
    }

    /**
     * Sets terminal dimensions.
     *
     * Can be useful to force terminal dimensions for functional tests.
     *
     * @param integer $width  The width
     * @param integer $height The height
     *
     * @return Application The current application
     */
    public function setTerminalDimensions($width, $height)
    {
        $this->terminalDimensions = array($width, $height);

        return $this;
    }

    /**
     * Configures the input and output instances based on the user arguments and options.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     */
    protected function configureIO(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(array('--ansi'))) {
            $output->setDecorated(true);
        } elseif (true === $input->hasParameterOption(array('--no-ansi'))) {
            $output->setDecorated(false);
        }

        if (true === $input->hasParameterOption(array('--no-interaction', '-n'))) {
            $input->setInteractive(false);
        } elseif (function_exists('posix_isatty') && $this->getHelperSet()->has('dialog')) {
            $inputStream = $this->getHelperSet()->get('dialog')->getInputStream();
            if (!@posix_isatty($inputStream)) {
                $input->setInteractive(false);
            }
        }

        if (true === $input->hasParameterOption(array('--quiet', '-q'))) {
            $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
        } else {
            if ($input->hasParameterOption('-vvv') || $input->hasParameterOption('--verbose=3') || $input->getParameterOption('--verbose') === 3) {
                $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG);
            } elseif ($input->hasParameterOption('-vv') || $input->hasParameterOption('--verbose=2') || $input->getParameterOption('--verbose') === 2) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
            } elseif ($input->hasParameterOption('-v') || $input->hasParameterOption('--verbose=1') || $input->hasParameterOption('--verbose') || $input->getParameterOption('--verbose')) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
            }
        }
    }

    /**
     * Runs the current command.
     *
     * If an event dispatcher has been attached to the application,
     * events are also dispatched during the life-cycle of the command.
     *
     * @param Command         $command A Command instance
     * @param InputInterface  $input   An Input instance
     * @param OutputInterface $output  An Output instance
     *
     * @return integer 0 if everything went fine, or an error code
     */
    protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output)
    {
        foreach ($command->getHelperSet() as $helper) {
            if ($helper instanceof InputAwareInterface) {
                $helper->setInput($input);
            }
        }

        if (null === $this->dispatcher) {
            return $command->run($input, $output);
        }

        $event = new ConsoleCommandEvent($command, $input, $output);
        $this->dispatcher->dispatch(ConsoleEvents::COMMAND, $event);

        try {
            $exitCode = $command->run($input, $output);
        } catch (\Exception $e) {
            $event = new ConsoleTerminateEvent($command, $input, $output, $e->getCode());
            $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event);

            $event = new ConsoleExceptionEvent($command, $input, $output, $e, $event->getExitCode());
            $this->dispatcher->dispatch(ConsoleEvents::EXCEPTION, $event);

            throw $event->getException();
        }

        $event = new ConsoleTerminateEvent($command, $input, $output, $exitCode);
        $this->dispatcher->dispatch(ConsoleEvents::TERMINATE, $event);

        return $event->getExitCode();
    }

    /**
     * Gets the name of the command based on input.
     *
     * @param InputInterface $input The input interface
     *
     * @return string The command name
     */
    protected function getCommandName(InputInterface $input)
    {
        return $input->getFirstArgument();
    }

    /**
     * Gets the default input definition.
     *
     * @return InputDefinition An InputDefinition instance
     */
    protected function getDefaultInputDefinition()
    {
        return new InputDefinition(array(
            new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),

            new InputOption('--help',           '-h', InputOption::VALUE_NONE, 'Display this help message.'),
            new InputOption('--quiet',          '-q', InputOption::VALUE_NONE, 'Do not output any message.'),
            new InputOption('--verbose',        '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'),
            new InputOption('--version',        '-V', InputOption::VALUE_NONE, 'Display this application version.'),
            new InputOption('--ansi',           '',   InputOption::VALUE_NONE, 'Force ANSI output.'),
            new InputOption('--no-ansi',        '',   InputOption::VALUE_NONE, 'Disable ANSI output.'),
            new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question.'),
        ));
    }

    /**
     * Gets the default commands that should always be available.
     *
     * @return Command[] An array of default Command instances
     */
    protected function getDefaultCommands()
    {
        return array(new HelpCommand(), new ListCommand());
    }

    /**
     * Gets the default helper set with the helpers that should always be available.
     *
     * @return HelperSet A HelperSet instance
     */
    protected function getDefaultHelperSet()
    {
        return new HelperSet(array(
            new FormatterHelper(),
            new DialogHelper(),
            new ProgressHelper(),
            new TableHelper(),
        ));
    }

    /**
     * Runs and parses stty -a if it's available, suppressing any error output
     *
     * @return string
     */
    private function getSttyColumns()
    {
        if (!function_exists('proc_open')) {
            return;
        }

        $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
        $process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            return $info;
        }
    }

    /**
     * Runs and parses mode CON if it's available, suppressing any error output
     *
     * @return string <width>x<height> or null if it could not be parsed
     */
    private function getConsoleMode()
    {
        if (!function_exists('proc_open')) {
            return;
        }

        $descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
        $process = proc_open('mode CON', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
                return $matches[2].'x'.$matches[1];
            }
        }
    }

    /**
     * Returns abbreviated suggestions in string format.
     *
     * @param array $abbrevs Abbreviated suggestions to convert
     *
     * @return string A formatted string of abbreviated suggestions
     */
    private function getAbbreviationSuggestions($abbrevs)
    {
        return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : '');
    }

    /**
     * Returns the namespace part of the command name.
     *
     * This method is not part of public API and should not be used directly.
     *
     * @param string $name  The full name of the command
     * @param string $limit The maximum number of parts of the namespace
     *
     * @return string The namespace of the command
     */
    public function extractNamespace($name, $limit = null)
    {
        $parts = explode(':', $name);
        array_pop($parts);

        return implode(':', null === $limit ? $parts : array_slice($parts, 0, $limit));
    }

    /**
     * Finds alternative of $name among $collection,
     * if nothing is found in $collection, try in $abbrevs
     *
     * @param string               $name       The string
     * @param array|\Traversable   $collection The collection
     *
     * @return array A sorted array of similar string
     */
    private function findAlternatives($name, $collection)
    {
        $threshold = 1e3;
        $alternatives = array();

        $collectionParts = array();
        foreach ($collection as $item) {
            $collectionParts[$item] = explode(':', $item);
        }

        foreach (explode(':', $name) as $i => $subname) {
            foreach ($collectionParts as $collectionName => $parts) {
                $exists = isset($alternatives[$collectionName]);
                if (!isset($parts[$i]) && $exists) {
                    $alternatives[$collectionName] += $threshold;
                    continue;
                } elseif (!isset($parts[$i])) {
                    continue;
                }

                $lev = levenshtein($subname, $parts[$i]);
                if ($lev <= strlen($subname) / 3 || false !== strpos($parts[$i], $subname)) {
                    $alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev;
                } elseif ($exists) {
                    $alternatives[$collectionName] += $threshold;
                }
            }
        }

        foreach ($collection as $item) {
            $lev = levenshtein($name, $item);
            if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
                $alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev;
            }
        }

        $alternatives = array_filter($alternatives, function ($lev) use ($threshold) { return $lev < 2*$threshold; });
        asort($alternatives);

        return array_keys($alternatives);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Input\StringInput;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Process\ProcessBuilder;
use Symfony\Component\Process\PhpExecutableFinder;

/**
 * A Shell wraps an Application to add shell capabilities to it.
 *
 * Support for history and completion only works with a PHP compiled
 * with readline support (either --with-readline or --with-libedit)
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class Shell
{
    private $application;
    private $history;
    private $output;
    private $hasReadline;
    private $processIsolation = false;

    /**
     * Constructor.
     *
     * If there is no readline support for the current PHP executable
     * a \RuntimeException exception is thrown.
     *
     * @param Application $application An application instance
     */
    public function __construct(Application $application)
    {
        $this->hasReadline = function_exists('readline');
        $this->application = $application;
        $this->history = getenv('HOME').'/.history_'.$application->getName();
        $this->output = new ConsoleOutput();
    }

    /**
     * Runs the shell.
     */
    public function run()
    {
        $this->application->setAutoExit(false);
        $this->application->setCatchExceptions(true);

        if ($this->hasReadline) {
            readline_read_history($this->history);
            readline_completion_function(array($this, 'autocompleter'));
        }

        $this->output->writeln($this->getHeader());
        $php = null;
        if ($this->processIsolation) {
            $finder = new PhpExecutableFinder();
            $php = $finder->find();
            $this->output->writeln(<<<EOF
<info>Running with process isolation, you should consider this:</info>
  * each command is executed as separate process,
  * commands don't support interactivity, all params must be passed explicitly,
  * commands output is not colorized.

EOF
            );
        }

        while (true) {
            $command = $this->readline();

            if (false === $command) {
                $this->output->writeln("\n");

                break;
            }

            if ($this->hasReadline) {
                readline_add_history($command);
                readline_write_history($this->history);
            }

            if ($this->processIsolation) {
                $pb = new ProcessBuilder();

                $process = $pb
                    ->add($php)
                    ->add($_SERVER['argv'][0])
                    ->add($command)
                    ->inheritEnvironmentVariables(true)
                    ->getProcess()
                ;

                $output = $this->output;
                $process->run(function ($type, $data) use ($output) {
                    $output->writeln($data);
                });

                $ret = $process->getExitCode();
            } else {
                $ret = $this->application->run(new StringInput($command), $this->output);
            }

            if (0 !== $ret) {
                $this->output->writeln(sprintf('<error>The command terminated with an error status (%s)</error>', $ret));
            }
        }
    }

    /**
     * Returns the shell header.
     *
     * @return string The header string
     */
    protected function getHeader()
    {
        return <<<EOF

Welcome to the <info>{$this->application->getName()}</info> shell (<comment>{$this->application->getVersion()}</comment>).

At the prompt, type <comment>help</comment> for some help,
or <comment>list</comment> to get a list of available commands.

To exit the shell, type <comment>^D</comment>.

EOF;
    }

    /**
     * Renders a prompt.
     *
     * @return string The prompt
     */
    protected function getPrompt()
    {
        // using the formatter here is required when using readline
        return $this->output->getFormatter()->format($this->application->getName().' > ');
    }

    protected function getOutput()
    {
        return $this->output;
    }

    protected function getApplication()
    {
        return $this->application;
    }

    /**
     * Tries to return autocompletion for the current entered text.
     *
     * @param string $text The last segment of the entered text
     *
     * @return Boolean|array A list of guessed strings or true
     */
    private function autocompleter($text)
    {
        $info = readline_info();
        $text = substr($info['line_buffer'], 0, $info['end']);

        if ($info['point'] !== $info['end']) {
            return true;
        }

        // task name?
        if (false === strpos($text, ' ') || !$text) {
            return array_keys($this->application->all());
        }

        // options and arguments?
        try {
            $command = $this->application->find(substr($text, 0, strpos($text, ' ')));
        } catch (\Exception $e) {
            return true;
        }

        $list = array('--help');
        foreach ($command->getDefinition()->getOptions() as $option) {
            $list[] = '--'.$option->getName();
        }

        return $list;
    }

    /**
     * Reads a single line from standard input.
     *
     * @return string The single line from standard input
     */
    private function readline()
    {
        if ($this->hasReadline) {
            $line = readline($this->getPrompt());
        } else {
            $this->output->write($this->getPrompt());
            $line = fgets(STDIN, 1024);
            $line = (!$line && strlen($line) == 0) ? false : rtrim($line);
        }

        return $line;
    }

    public function getProcessIsolation()
    {
        return $this->processIsolation;
    }

    public function setProcessIsolation($processIsolation)
    {
        $this->processIsolation = (Boolean) $processIsolation;

        if ($this->processIsolation && !class_exists('Symfony\\Component\\Process\\Process')) {
            throw new \RuntimeException('Unable to isolate processes as the Symfony Process Component is not installed.');
        }
    }
}
<?php
/**
 * phpdcd
 *
 * Copyright (c) 2009-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   phpdcd
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\PHPDCD\Log;

use Symfony\Component\Console\Output\OutputInterface;

/**
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/phpdcd/tree
 * @since     Class available since Release 1.0.0
 */
class Text
{
    /**
     * Prints a result set from PHPDCD_Detector::detectDeadCode().
     *
     * @param Symfony\Component\Console\Output\OutputInterface $output
     * @param array                                            $result
     */
    public function printResult(OutputInterface $output, array $result)
    {
        foreach ($result as $name => $source) {
            $output->writeln(
                sprintf(
                    "  - %s()\n    LOC: %d, declared in %s:%d\n",
                    $name,
                    $source['loc'],
                    $source['file'],
                    $source['line']
                )
            );
        }
    }
}
<?php
/**
 * phpdcd
 *
 * Copyright (c) 2009-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   phpdcd
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\PHPDCD;

/**
 * PHPDCD code analyser to be used on a body of source code.
 *
 * Analyses given source code (files) for declared and called functions
 * and aggregates this information.
 *
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/phpdcd/tree
 * @since     Class available since Release 1.0.0
 */
class Analyser
{
    /**
     * Function declaration mapping: maps declared function name to file and line number
     * TODO: make mapping to file and line number optional for memory usage reduction?
     * @var array
     */
    private $functionDeclarations = array();

    /**
     * Function call mapping: maps "callees" to array of "callers"
     * TODO: make callers array optional for memory usage reduction?
     * @var array
     */
    private $functionCalls = array();

    /**
     * Class hierarchy data: maps classes to their direct parent.
     * @var array
     */
    private $classParents = array();


    public function getFunctionDeclarations()
    {
        return $this->functionDeclarations;
    }

    /**
     * Get function calls we detected
     * @return array maps "callees" to array of "callers"
     */
    public function getFunctionCalls()
    {
        // Resolve parent(class) calls if possible
        foreach ($this->functionCalls as $call => $callers) {
            if (strpos($call, 'parent(') === 0) {
                preg_match('/parent\\((.*?)\\)::(.*)/', $call, $matches);
                $class = $matches[1];
                $method = $matches[2];
                foreach ($this->getAncestors($class) as $ancestor) {
                    $resolvedCall = $ancestor . '::' . $method;
                    if (isset($this->functionDeclarations[$resolvedCall])) {
                        $this->functionCalls[$resolvedCall] = $callers;
                        // TODO: also remove unresolved parent(class) entries?
                        break;
                    }
                }
            }
        }

        return $this->functionCalls;
    }

    /**
     * Get array of a class's ancestors.
     * @param $child
     * @return array of ancestors
     */
    public function getAncestors($child)
    {
        $ancestors = array();
        while (isset($this->classParents[$child])) {
            $child = $this->classParents[$child];
            if (in_array($child, $ancestors)) {
                $cycle = implode(' -> ', $ancestors) . ' -> ' . $child;
                throw new \RuntimeException('Class hierarchy cycle detected: ' . $cycle);
            }
            $ancestors[] = $child;
        }
        return $ancestors;
    }

    /**
     * Build a mapping between parent classes and all their descendants
     * @return array maps each parent classes to array of its subclasses, subsubclasses, ...
     */
    public function getClassDescendants()
    {
        $descendants = array();
        foreach ($this->classParents as $child => $parent) {
            // Direct child
            $descendants[$parent][] = $child;
            // Store child for further ancestors
            $ancestor = $parent;
            while (isset($this->classParents[$ancestor])) {
                $ancestor = $this->classParents[$ancestor];
                $descendants[$ancestor][] = $child;
            }
        }
        return $descendants;
    }

    /**
     * Analyse a PHP source code file for defined and called functions.
     * @param $filename
     */
    public function analyseFile($filename)
    {
        $sourceCode = file_get_contents($filename);
        return $this->analyseSourceCode($sourceCode, $filename);
    }

    /**
     * Analyse PHP source code for defined and called functions
     *
     * @param string $sourceCode source code.
     * @param string $filename optional file name to use in declaration definition
     */
    public function analyseSourceCode($sourceCode, $filename = 'undefined')
    {

        $blocks           = array();
        $currentBlock     = null;
        $currentClass     = '';
        $currentFunction  = '';
        $currentInterface = '';
        $namespace        = '';
        $variables        = array();

        $tokens = new \PHP_Token_Stream($sourceCode);
        $count  = count($tokens);

        for ($i = 0; $i < $count; $i++) {
            if ($tokens[$i] instanceof \PHP_Token_NAMESPACE) {
                $namespace = $tokens[$i]->getName();
            } elseif ($tokens[$i] instanceof \PHP_Token_CLASS) {
                $currentClass = $tokens[$i]->getName();

                if ($namespace != '') {
                    $currentClass = $namespace . '\\' . $currentClass;
                }

                $currentBlock = $currentClass;
            } elseif ($tokens[$i] instanceof \PHP_Token_EXTENDS
                && $tokens[$i+2] instanceof \PHP_Token_STRING) {
                // Store parent-child class relationship.
                $this->classParents[$currentClass] = (string)$tokens[$i+2];
            } elseif ($tokens[$i] instanceof \PHP_Token_INTERFACE) {
                $currentInterface = $tokens[$i]->getName();

                if ($namespace != '') {
                    $currentInterface = $namespace . '\\' . $currentClass;
                }

                $currentBlock = $currentInterface;
            } elseif ($tokens[$i] instanceof \PHP_Token_NEW &&
                !$tokens[$i+2] instanceof \PHP_Token_VARIABLE) {
                if ($tokens[$i-1] instanceof \PHP_Token_EQUAL) {
                    $j = -1;
                } elseif ($tokens[$i-1] instanceof \PHP_Token_WHITESPACE &&
                    $tokens[$i-2] instanceof \PHP_Token_EQUAL) {
                    $j = -2;
                } else {
                    continue;
                }

                if ($tokens[$i+$j-1] instanceof \PHP_Token_WHITESPACE) {
                    $j--;
                }

                if ($tokens[$i+$j-1] instanceof \PHP_Token_VARIABLE) {
                    $name             = (string)$tokens[$i+$j-1];
                    $variables[$name] = (string)$tokens[$i+2];
                } elseif ($tokens[$i+$j-1] instanceof \PHP_Token_STRING &&
                    $tokens[$i+$j-2] instanceof \PHP_Token_OBJECT_OPERATOR &&
                    $tokens[$i+$j-3] instanceof \PHP_Token_VARIABLE) {
                    $name             = (string)$tokens[$i+$j-3] . '->' .
                        (string)$tokens[$i+$j-1];
                    $variables[$name] = (string)$tokens[$i+2];
                }
            } elseif ($tokens[$i] instanceof \PHP_Token_FUNCTION) {
                if ($currentInterface != '') {
                    continue;
                }

                // Ignore abstract methods.
                for ($j=1; $j<=4; $j++) {
                    if (isset($tokens[$i-$j]) &&
                        $tokens[$i-$j] instanceof \PHP_Token_ABSTRACT) {
                        continue 2;
                    }
                }

                $function = $tokens[$i]->getName();

                if ($function == 'anonymous function') {
                    continue;
                }

                $variables = $tokens[$i]->getArguments();

                if ($currentClass != '') {
                    $function = $currentClass . '::' . $function;
                    $variables['$this'] = $currentClass;
                }

                $currentFunction = $function;
                $currentBlock    = $currentFunction;

                $this->functionDeclarations[$function] = array(
                    'file' => $filename, 'line' => $tokens[$i]->getLine()
                );
            } elseif ($tokens[$i] instanceof \PHP_Token_OPEN_CURLY
                || $tokens[$i] instanceof \PHP_Token_CURLY_OPEN
                || $tokens[$i] instanceof \PHP_Token_DOLLAR_OPEN_CURLY_BRACES ) {
                array_push($blocks, $currentBlock);
                $currentBlock = null;
            } elseif ($tokens[$i] instanceof \PHP_Token_CLOSE_CURLY) {
                $block = array_pop($blocks);

                if ($block == $currentClass) {
                    $currentClass = '';
                } elseif ($block == $currentFunction) {
                    $this->functionDeclarations[$currentFunction]['loc'] =
                        $tokens[$i]->getLine() - $this->functionDeclarations[$currentFunction]['line'] + 1;
                    $currentFunction = '';
                    $variables       = array();
                }
            } elseif ($tokens[$i] instanceof \PHP_Token_OPEN_BRACKET) {
                for ($j = 1; $j <= 4; $j++) {
                    if (isset($tokens[$i-$j]) &&
                        $tokens[$i-$j] instanceof \PHP_Token_FUNCTION) {
                        continue 2;
                    }
                }

                if ($tokens[$i-1] instanceof \PHP_Token_STRING) {
                    $j = -1;
                } elseif ($tokens[$i-1] instanceof \PHP_Token_WHITESPACE &&
                    $tokens[$i-2] instanceof \PHP_Token_STRING) {
                    $j = -2;
                } else {
                    continue;
                }

                $function         = (string)$tokens[$i+$j];
                $lookForNamespace = true;

                if (isset($tokens[$i+$j-2]) &&
                    $tokens[$i+$j-2] instanceof \PHP_Token_NEW) {
                    $function .= '::__construct';
                } elseif ((isset($tokens[$i+$j-1]) &&
                        $tokens[$i+$j-1] instanceof \PHP_Token_OBJECT_OPERATOR) ||
                    (isset($tokens[$i+$j-2]) &&
                        $tokens[$i+$j-2] instanceof \PHP_Token_OBJECT_OPERATOR)) {
                    $_function        = $tokens[$i+$j];
                    $lookForNamespace = false;

                    if ($tokens[$i+$j-1] instanceof \PHP_Token_OBJECT_OPERATOR) {
                        $j -= 2;
                    } else {
                        $j -= 3;
                    }

                    if ($tokens[$i+$j] instanceof \PHP_Token_VARIABLE) {
                        if (isset($variables[(string)$tokens[$i+$j]])) {
                            $function = $variables[(string)$tokens[$i+$j]] .
                                '::' . $_function;
                        } else {
                            $function = '::' . $_function;
                        }
                    } elseif ($tokens[$i+$j] instanceof \PHP_Token_STRING &&
                        $tokens[$i+$j-1] instanceof \PHP_Token_OBJECT_OPERATOR &&
                        $tokens[$i+$j-2] instanceof \PHP_Token_VARIABLE) {
                        $variable = (string)$tokens[$i+$j-2] . '->' .
                            (string)$tokens[$i+$j];

                        if (isset($variables[$variable])) {
                            $function = $variables[$variable] . '::' .
                                $_function;
                        }
                    }
                } elseif ($tokens[$i+$j-1] instanceof \PHP_Token_DOUBLE_COLON) {
                    $class = (string)$tokens[$i+$j-2];

                    if ($class == 'self' || $class == 'static') {
                        $class = $currentClass;
                    } elseif ($class == 'parent') {
                        $class = "parent($currentClass)";
                    }

                    $function = $class . '::' . $function;
                    $j       -= 2;
                }

                if ($lookForNamespace) {
                    while ($tokens[$i+$j-1] instanceof \PHP_Token_NS_SEPARATOR) {
                        $function = $tokens[$i+$j-2] . '\\' . $function;
                        $j       -= 2;
                    }
                }

                if (!isset($this->functionCalls[$function])) {
                    $this->functionCalls[$function] = array();
                }
                $this->functionCalls[$function][] = $currentFunction;
            }
        }
    }
}
<?php
/**
 * phpdcd
 *
 * Copyright (c) 2009-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   phpdcd
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\PHPDCD;

/**
 * PHPDCD detector for unused functions.
 *
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2014 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/phpdcd/tree
 * @since     Class available since Release 1.0.0
 */
class Detector
{
    /**
     * @param  array   $files
     * @param  boolean $recursive
     * @return array
     */
    public function detectDeadCode(array $files, $recursive = false)
    {

        // Analyse files and collect declared and called functions
        $analyser = new Analyser();
        foreach ($files as $file) {
            $analyser->analyseFile($file);
        }

        // Get info on declared and called functions.
        $declared = $analyser->getFunctionDeclarations();
        $called = $analyser->getFunctionCalls();
        $classDescendants = $analyser->getClassDescendants();

        // Search for declared, unused functions.
        $result = array();
        foreach ($declared as $name => $source) {
            if (!isset($called[$name])) {
                // Unused function/method at first sight.
                $used = false;
                // For methods: check calls from subclass instances as well
                $parts = explode('::', $name);
                if (count($parts) == 2) {
                    $class = $parts[0];
                    $subclasses = isset($classDescendants[$class]) ? $classDescendants[$class] : array();
                    foreach ($subclasses as $subclass) {
                        if (isset($called[$subclass . '::' . $parts[1]])) {
                            $used = true;
                            break;
                        }
                    }
                }

                if (!$used) {
                    $result[$name] = $source;
                }
            }
        }

        if ($recursive) {
            $done = false;

            while (!$done) {
                $done = true;

                foreach ($called as $callee => $callers) {
                    $_called = false;

                    foreach ($callers as $caller) {
                        if (!isset($result[$caller])) {
                            $_called = true;
                            break;
                        }
                    }

                    if (!$_called) {
                        if (isset($declared[$callee])) {
                            $result[$callee] = $declared[$callee];
                        }

                        $done = false;

                        unset($called[$callee]);
                    }
                }
            }
        }

        ksort($result);

        return $result;
    }
}
<?php
/**
 * phpdcd
 *
 * Copyright (c) 2009-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   phpdcd
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\PHPDCD\CLI;

use SebastianBergmann\PHPDCD\Detector;
use SebastianBergmann\PHPDCD\Log\Text;
use SebastianBergmann\FinderFacade\FinderFacade;
use Symfony\Component\Console\Command\Command as AbstractCommand;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link      http://github.com/sebastianbergmann/phpdcd/tree
 * @since     Class available since Release 1.0.0
 */
class Command extends AbstractCommand
{
    /**
     * Configures the current command.
     */
    protected function configure()
    {
        $this->setName('phpdcd')
             ->setDefinition(
                 array(
                     new InputArgument(
                         'values',
                         InputArgument::IS_ARRAY
                     )
                 )
             )
             ->addOption(
                 'names',
                 null,
                 InputOption::VALUE_REQUIRED,
                 'A comma-separated list of file names to check',
                 array('*.php')
             )
             ->addOption(
                 'names-exclude',
                 null,
                 InputOption::VALUE_REQUIRED,
                 'A comma-separated list of file names to exclude',
                 array()
             )
             ->addOption(
                 'exclude',
                 null,
                 InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY,
                 'Exclude a directory from code analysis'
             )
             ->addOption(
                 'recursive',
                 null,
                 InputOption::VALUE_NONE,
                 'Report code as dead if it is only called by dead code'
             );
    }

    /**
     * Executes the current command.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     *
     * @return null|integer null or 0 if everything went fine, or an error code
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $finder = new FinderFacade(
            $input->getArgument('values'),
            $input->getOption('exclude'),
            $this->handleCSVOption($input, 'names'),
            $this->handleCSVOption($input, 'names-exclude')
        );

        $files = $finder->findFiles();

        if (empty($files)) {
            $output->writeln('No files found to scan');
            exit(1);
        }

        $quiet = $output->getVerbosity() == OutputInterface::VERBOSITY_QUIET;

        $detector = new Detector;

        $result = $detector->detectDeadCode(
            $files,
            $input->getOption('recursive')
        );

        if (!$quiet) {
            $printer = new Text;
            $printer->printResult($output, $result);

            $output->writeln(\PHP_Timer::resourceUsage());
        }
    }

    /**
     * @param  Symfony\Component\Console\Input\InputOption $input
     * @param  string                                      $option
     * @return array
     */
    private function handleCSVOption(InputInterface $input, $option)
    {
        $result = $input->getOption($option);

        if (!is_array($result)) {
            $result = explode(',', $result);
            array_map('trim', $result);
        }

        return $result;
    }
}
<?php
/**
 * phpdcd
 *
 * Copyright (c) 2009-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   phpdcd
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\PHPDCD\CLI;

use SebastianBergmann\Version;
use Symfony\Component\Console\Application as AbstractApplication;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Input\ArrayInput;

/**
 * TextUI frontend for PHPDCD.
 *
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link      http://github.com/sebastianbergmann/phpdcd/tree
 * @since     Class available since Release 1.0.0
 */
class Application extends AbstractApplication
{
    public function __construct()
    {
        $version = new Version('1.0.2', dirname(dirname(__DIR__)));
        parent::__construct('phpdcd', $version->getVersion());
    }

    /**
     * Gets the name of the command based on input.
     *
     * @param InputInterface $input The input interface
     *
     * @return string The command name
     */
    protected function getCommandName(InputInterface $input)
    {
        return 'phpdcd';
    }

    /**
     * Gets the default commands that should always be available.
     *
     * @return array An array of default Command instances
     */
    protected function getDefaultCommands()
    {
        $defaultCommands = parent::getDefaultCommands();

        $defaultCommands[] = new Command;

        return $defaultCommands;
    }

    /**
     * Overridden so that the application doesn't expect the command
     * name to be the first argument.
     */
    public function getDefinition()
    {
        $inputDefinition = parent::getDefinition();
        $inputDefinition->setArguments();

        return $inputDefinition;
    }

    /**
     * Runs the current application.
     *
     * @param InputInterface  $input  An Input instance
     * @param OutputInterface $output An Output instance
     *
     * @return integer 0 if everything went fine, or an error code
     */
    public function doRun(InputInterface $input, OutputInterface $output)
    {
        if (!$input->hasParameterOption('--quiet')) {
            $output->write(
                sprintf(
                    "phpdcd %s by Sebastian Bergmann.\n\n",
                    $this->getVersion()
                )
            );
        }

        if ($input->hasParameterOption('--version') ||
            $input->hasParameterOption('-V')) {
            exit;
        }

        if (!$input->getFirstArgument()) {
            $input = new ArrayInput(array('--help'));
        }

        parent::doRun($input, $output);
    }
}
sebastian/phpdcd: 1.0.2
phpunit/php-timer: 1.0.5
phpunit/php-token-stream: 1.2.2
sebastian/finder-facade: 1.1.0
sebastian/version: 1.0.3
symfony/console: v2.4.3
symfony/finder: v2.4.3
theseer/fdomdocument: 1.5.0
<?php
/**
 * Copyright (c) 2013-2014, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   Version
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2013-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link      http://github.com/sebastianbergmann/version
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann;

/**
 * @package   Version
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2013-2014 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link      http://github.com/sebastianbergmann/version
 * @since     Class available since Release 1.0.0
 */
class Version
{
    private $path;
    private $release;
    private $version;

    /**
     * @param string $release
     * @param string $path
     */
    public function __construct($release, $path)
    {
        $this->release = $release;
        $this->path    = $path;
    }

    /**
     * @return string
     */
    public function getVersion()
    {
        if ($this->version === null) {
            if (count(explode('.', $this->release)) == 3) {
                $this->version = $this->release;
            } else {
                $this->version = $this->release . '-dev';
            }

            $git = $this->getGitInformation($this->path);

            if ($git) {
                if (count(explode('.', $this->release)) == 3) {
                    $this->version = $git;
                } else {
                    $git = explode('-', $git);

                    $this->version = $this->release . '-' . $git[2];
                }
            }
        }

        return $this->version;
    }

    /**
     * @param  string $path
     * @return boolean|string
     */
    private function getGitInformation($path)
    {
        if (!is_dir($path . DIRECTORY_SEPARATOR . '.git')) {
            return false;
        }

        $dir = getcwd();
        chdir($path);
        $result = @exec('git describe --tags 2>&1', $output, $returnCode);
        chdir($dir);

        if ($returnCode !== 0) {
            return false;
        }

        return $result;
    }
}
<?php
/**
 * FinderFacade
 *
 * Copyright (c) 2012-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   FinderFacade
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2012-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\FinderFacade
{
    use Symfony\Component\Finder\Finder;

    /**
     * Convenience wrapper for Symfony's Finder component.
     *
     * @author    Sebastian Bergmann <sebastian@phpunit.de>
     * @copyright 2012-2013 Sebastian Bergmann <sebastian@phpunit.de>
     * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
     * @version   Release: @package_version@
     * @link      http://github.com/sebastianbergmann/finder-facade/tree
     * @since     Class available since Release 1.0.0
     */
    class FinderFacade
    {
        /**
         * @var array
         */
        protected $items = array();

        /**
         * @var array
         */
        protected $excludes = array();

        /**
         * @var array
         */
        protected $names = array();


        /**
         * @var array
         */
        protected $notNames = array();

        /**
         * @param array $items
         * @param array $excludes
         * @param array $names
         * @param array $notNames
         */
        public function __construct(array $items = array(), array $excludes = array(), array $names = array(), array $notNames = array())
        {
            $this->items    = $items;
            $this->excludes = $excludes;
            $this->names    = $names;
            $this->notNames = $notNames;
        }

        /**
         * @return array
         */
        public function findFiles()
        {
            $files   = array();
            $finder  = new Finder;
            $iterate = FALSE;

            foreach ($this->items as $item) {
                if (!is_file($item)) {
                    $finder->in($item);
                    $iterate = TRUE;
                }

                else {
                    $files[] = realpath($item);
                }
            }

            foreach ($this->excludes as $exclude) {
                $finder->exclude($exclude);
            }

            foreach ($this->names as $name) {
                $finder->name($name);
            }

            foreach ($this->notNames as $notName) {
                $finder->notName($notName);
            }

            if ($iterate) {
                foreach ($finder as $file) {
                    $files[] = $file->getRealpath();
                }
            }

            return $files;
        }

        /**
         * @param string $file
         */
        public function loadConfiguration($file)
        {
            $configuration = new Configuration($file);
            $configuration = $configuration->parse();

            $this->items    = $configuration['items'];
            $this->excludes = $configuration['excludes'];
            $this->names    = $configuration['names'];
            $this->notNames = $configuration['notNames'];
        }
    }
}
<?php
/**
 * FinderFacade
 *
 * Copyright (c) 2012-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   FinderFacade
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2012-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

namespace SebastianBergmann\FinderFacade
{
    use TheSeer\fDOM\fDOMDocument;

    /**
     * <code>
     * <fileset>
     *   <include>
     *    <directory>/path/to/directory</directory>
     *    <file>/path/to/file</file>
     *   </include>
     *   <exclude>/path/to/directory</exclude>
     *   <name>*.php</name>
     * </fileset>
     * </code>
     *
     * @author    Sebastian Bergmann <sebastian@phpunit.de>
     * @copyright 2012-2013 Sebastian Bergmann <sebastian@phpunit.de>
     * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
     * @version   Release: @package_version@
     * @link      http://github.com/sebastianbergmann/finder-facade/tree
     * @since     Class available since Release 1.0.0
     */
    class Configuration
    {
        /**
         * @var string
         */
        protected $basePath;

        /**
         * @var fDOMDocument
         */
        protected $xml;

        /**
         * @param string $file
         */
        public function __construct($file)
        {
            $this->basePath = dirname($file);

            $this->xml = new fDOMDocument;
            $this->xml->load($file);
        }

        /**
         * @param  string $xpath
         * @return array
         */
        public function parse($xpath = '')
        {
            $result = array(
              'items' => array(), 'excludes' => array(), 'names' => array(), 'notNames' => array()
            );

            foreach ($this->xml->getDOMXPath()->query($xpath . 'include/directory') as $item) {
                $result['items'][] = $this->toAbsolutePath($item->nodeValue);
            }

            foreach ($this->xml->getDOMXPath()->query($xpath . 'include/file') as $item) {
                $result['items'][] = $this->toAbsolutePath($item->nodeValue);
            }

            foreach ($this->xml->getDOMXPath()->query($xpath . 'exclude') as $exclude) {
                $result['excludes'][] = $exclude->nodeValue;
            }

            foreach ($this->xml->getDOMXPath()->query($xpath . 'name') as $name) {
                $result['names'][] = $name->nodeValue;
            }

            foreach ($this->xml->getDOMXPath()->query($xpath . 'notName') as $name) {
                $result['notNames'][] = $name->nodeValue;
            }

            return $result;
        }

        /**
         * @param  string $path
         * @return string
         */
        protected function toAbsolutePath($path)
        {
            // Check whether the path is already absolute.
            if ($path[0] === '/' || $path[0] === '\\' ||
                (strlen($path) > 3 && ctype_alpha($path[0]) &&
                 $path[1] === ':' && ($path[2] === '\\' || $path[2] === '/'))) {
                return $path;
            }

            // Check whether a stream is used.
            if (strpos($path, '://') !== FALSE) {
                return $path;
            }

            return $this->basePath . DIRECTORY_SEPARATOR . $path;
        }
    }
}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    /**
     * fDomElement
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMElement extends \DOMElement {

        public function __toString() {
            return $this->C14N();
        }

        /**
         * Forward to fDomDocument->query()
         *
         * @param string   $q               XPath to use
         * @param \DOMNode $ctx             \DOMNode to overwrite context
         * @param boolean  $registerNodeNS  Register flag pass thru
         *
         * @return \DomNodeList
         */
        public function query($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->query($q, $ctx ? $ctx : $this, $registerNodeNS);
        }

        /**
         * Forward to fDomDocument->queryOne()
         *
         * @param string   $q               XPath to use
         * @param \DOMNode $ctx             (optional) \DOMNode to overwrite context
         * @param boolean  $registerNodeNS  Register flag pass thru
         *
         * @return mixed
         */
        public function queryOne($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->queryOne($q, $ctx ? $ctx : $this, $registerNodeNS);
        }

        /**
         * Forward to fDomDocument->select()
         *
         * @param string   $selector A CSS Level 3 Selector string
         * @param \DOMNode $ctx
         * @param bool     $registerNodeNS
         *
         * @return \DOMNodeList
         */

        public function select($selector, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->select($selector, $ctx, $registerNodeNS);
        }

        /**
         * Parse and append XML String to node
         *
         * @param String $str string to process
         *
         * @return fDomDocumentFragment Reference to the created Fragment
         */
        public function appendXML($str) {
            $frag = $this->ownerDocument->createDocumentFragment();
            $frag->appendXML($str);
            $this->appendChild($frag);
            return $frag;
        }

        /**
         * Create a new element and append it
         *
         * @param string $name     Name of not element to create
         * @param string $content  Optional content to be set
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function appendElement($name, $content = null) {
            $node = $this->ownerDocument->createElement($name, $content);
            $this->appendChild($node);
            return $node;
        }

        /**
         * Create a new element in given namespace and append it
         *
         * @param string $ns       Namespace of node to create
         * @param string $name     Name of not element to create
         * @param string $content  Optional content to be set
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function appendElementNS($ns, $name, $content = null) {
            $node = $this->ownerDocument->createElementNS($ns, $name, $content);
            $this->appendChild($node);
            return $node;
        }

        /**
         * Create a new element in given namespace and append it
         *
         * @param string $prefix   Namespace prefix for node to create
         * @param string $name     Name of not element to create
         * @param string $content  Optional content to be set
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function appendElementPrefix($prefix, $name, $content = null) {
            $node = $this->ownerDocument->createElementPrefix($prefix, $name, $content);
            $this->appendChild($node);
            return $node;
        }

        /**
         * Create a new text node and append it
         *
         * @param string $content Text content to be added
         *
         * @return \DOMText
         */
        public function appendTextNode($content) {
            $text = $this->ownerDocument->createTextNode($content);
            $this->appendChild($text);
            return $text;
        }

        /**
         * Wrapper to DomElement->getAttribute with default value option
         *
         * Note: A set but emptry attribute does NOT trigger use of the default
         *
         * @param string $attr    Attribute to access
         * @param string $default Default value to use if the attribute is not set
         *
         * @return string
         */
        public function getAttribute($attr, $default='') {
            return $this->hasAttribute($attr) ? parent::getAttribute($attr) : $default;
        }

        /**
         * Wrapper to DomElement->getAttributeNS with default value option
         *
         * Note: A set but empty attribute does NOT trigger use of the default
         *
         * @param string $ns      Namespace of attribute
         * @param string $attr    Attribute to access
         * @param string $default Default value to use if the attribute is not set
         *
         * @return string
         */
        public function getAttributeNS($ns, $attr, $default='') {
            return $this->hasAttributeNS($ns, $attr) ? parent::getAttributeNS($ns, $attr) : $default;
        }

        /**
         * Wrapper to DOMElement::setAttribute with additional entities support
         *
         * @param string  $attr          Attribute name to set
         * @param string  $value         Value to set attribute to
         * @param bool $keepEntitites Flag to signale if entities should be kept
         *
         * @throws fDOMException
         *
         * @return DOMAttr
         *
         * @see DOMElement::setAttribute()
         */
        public function setAttribute($attr, $value, $keepEntities=false) {
            if ($keepEntities === true) {
                $attrNode = $this->ownerDocument->createAttribute($attr);
                if (!$attrNode) {
                   throw new fDOMException("Setting attribute '$attr' failed.", fDOMException::SetFailedError);
                }
                $attrNode->value = $value;
                $this->appendChild($attrNode);
                return $attrNode;
            }
            return parent::setAttribute($attr, $value);
        }

        /**
         * Wrapper to namespace aware DOMElement::setAttributeNS with additional entities support
         *
         * @param string  $ns            namespace attribute should be in
         * @param string  $attr          Attribute name to set
         * @param string  $value         Value to set attribute to
         * @param boolean $keepEntitites Flag to signale if entities should be kept
         *
         * @return \DOMAttr
         *
         * @see DOMElement::setAttribute()
         */
        public function setAttributeNS($ns, $attr, $value, $keepEntities=false) {
            if ($keepEntities === true) {
                $attrNode = $this->ownerDocument->createAttributeNS($ns, $attr);
                if (!$attrNode) {
                   throw new fDOMException("Setting attribute '$attr' failed.", fDOMException::SetFailedError);
                }
                $attrNode->value = $value;
                $this->appendChild($attrNode);
                return $attrNode;
            }
            return parent::setAttributeNS($ns, $attr, $value);
        }

        /**
         * Helper to add multiple attributes to an element
         *
         * @param array $attr Attributes to add as key-value pair
         * @param bool $keepEntities Flag wether to keep entities
         *
         * @return array List with references to created DOMAttr
         */
        public function setAttributes(array $attr, $keepEntities=false) {
            $attList = array();
            foreach($attr as $name => $value) {
               $attList[] = $this->setAttribute($name, $value, $keepEntities);
            }
            return $attList;
        }

        /**
         * Helper to add multiple attributes with the given namespace and prefix
         *
         * @param string $ns       Namespace of attribute
         * @param string $prefix   Namespace prefix for attribute to create
         * @param array  $attr     Attributes to add
         * @param bool $keepEntities Flag wether to keep entities
         *
         * @return void
         */
        public function setAttributesNS($ns, $prefix, array $attr, $keepEntities=false) {
           foreach($attr as $name => $value) {
              $this->setAttributeNS($ns, $prefix.':'.$name, $value, $keepEntities);
           }
        }

        /**
         * Helper method to get children by name
         *
         * @param string $tagName tagname to search for
         *
         * @return DomNodeList
         */
        public function getChildrenByTagName($tagName) {
            return $this->query("*[local-name()='$tagName']");
        }

        /**
         * Helper method to get children by name and namespace
         *
         * @param string $ns      namespace nodes have to be in
         * @param string $tagName tagname to search for
         *
         * @return DomNodeList
         */
        public function getChildrenByTagNameNS($ns, $tagName) {
            return $this->query("*[local-name()='$tagName' and namespace-uri()='$ns']");
        }

        /**
         * Check if the given node is in the same document
         *
         * @param \DomNode $node Node to compare with
         *
         * @return boolean true on match, false if they differ
         *
         */
        public function inSameDocument(\DomNode $node) {
            return $this->ownerDocument->inSameDocument($node);
        }

        /**
         * Wrapper to DomDocument::saveXML() with current node as context
         *
         * @return string
         */
        public function saveXML() {
            return $this->ownerDocument->saveXML($this);
        }

        /**
         * Wrapper to DomDocument::saveHTML() with current node as context
         *
         * @return string
         */
        public function saveHTML() {
            return $this->ownerDocument->saveHTML($this);
        }

    } // fDOMElement

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    /**
     * fDomNode
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMNode extends \DOMNode {

        public function __toString() {
            return $this->C14N();
        }

        /**
         * Forward to fDomDocument->query()
         *
         * @param string   $q               XPath to use
         * @param \DOMNode $ctx             \DOMNode to overwrite context
         * @param boolean  $registerNodeNS  Register flag pass thru
         *
         * @return \DomNodeList
         */
        public function query($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->query($q, $ctx ? $ctx : $this, $registerNodeNS);
        }

        /**
         * Forward to fDomDocument->queryOne()
         *
         * @param string   $q               XPath to use
         * @param \DOMNode $ctx             (optional) \DOMNode to overwrite context
         * @param boolean  $registerNodeNS  Register flag pass thru
         *
         * @return mixed
         */
        public function queryOne($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->queryOne($q, $ctx ? $ctx : $this, $registerNodeNS);
        }

        /**
         * Forward to fDomDocument->select()
         *
         * @param string   $selector A CSS Level 3 Selector string
         * @param \DOMNode $ctx
         * @param bool     $registerNodeNS
         *
         * @return \DOMNodeList
         */

        public function select($selector, \DOMNode $ctx = null, $registerNodeNS = true) {
            return $this->ownerDocument->select($selector, $ctx, $registerNodeNS);
        }

        /**
         * Check if the given node is in the same document
         *
         * @param \DomNode $node Node to compare with
         *
         * @return boolean true on match, false if they differ
         *
         */
        public function inSameDocument(\DOMNode $node) {
            return $this->ownerDocument->inSameDocument($node);
        }

        /**
         * Wrapper to DomDocument::saveXML() with current node as context
         *
         * @return string
         */
        public function saveXML() {
            return $this->ownerDocument->saveXML($this);
        }

        /**
         * Wrapper to DomDocument::saveHTML() with current node as context
         *
         * @return string
         */
        public function saveHTML() {
            return $this->ownerDocument->saveHTML($this);
        }



    } // fDOMNode

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    /**
     * Class XPathQuery
     *
     * @package TheSeer\fDOM
     */
    class XPathQuery {

        /**
         * @var string
         */
        private $query;

        /**
         * Key-value Map for bound values
         *
         * @var array
         */
        private $values = array();

        /**
         * @param string $query
         */
        public function __construct($query) {
            $this->setQuery($query);
        }

        /**
         * @param string $query
         */
        private function setQuery($query) {
            $this->query = $query;
            $res = preg_match_all('/(:(\w*))/', $query, $matches);
            if ($res > 0) {
                $this->values = array_fill_keys($matches[2], '');
            }
        }

        public function getKeys() {
            return array_keys($this->values);
        }

        public function bind($key, $value) {
            if (!array_key_exists($key, $this->values)) {
                throw new XPathQueryException("'$key' not found in query'", XPathQueryException::KeyNotFound );
            }
            $this->values[$key] = $value;
        }

        public function generate(\DOMNode $ctx, array $values = NULL) {
            return $this->buildQuery($this->getXPathObjectFor($ctx), $values);
        }

        public function evaluate(\DOMNode $ctx, array $values = NULL, $registerNodeNS = TRUE) {
            $xp = $this->getXPathObjectFor($ctx);
            return $xp->evaluate($this->buildQuery($xp, $values), $ctx, $registerNodeNS);
        }

        public function query(\DOMNode $ctx, array $values = NULL, $registerNodeNS = TRUE) {
            $xp = $this->getXPathObjectFor($ctx);
            return $xp->evaluate($this->buildQuery($xp, $values), $ctx, $registerNodeNS);
        }

        public function queryOne(\DOMNode $ctx, array $values = NULL, $registerNodeNS = TRUE) {
            $xp = $this->getXPathObjectFor($ctx);
            return $xp->queryOne($this->buildQuery($xp, $values), $ctx, $registerNodeNS);
        }

        private function getXPathObjectFor(\DOMNode $ctx) {
            $dom = $ctx instanceof \DOMDocument ? $ctx : $ctx->ownerDocument;
            if ($dom instanceOf fDOMDocument) {
                return $dom->getDOMXPath();
            }
            return new fDOMXPath($dom);
        }

        private function buildQuery(fDOMXPath $xp, array $values = NULL) {
            $backup = $this->values;
            if (count($values) > 0) {
                foreach($values as $k => $v) {
                    $this->bind($k, $v);
                }
            }
            $query = $xp->prepare($this->query, $this->values);
            $this->values = $backup;
            return $query;
        }
    }

}
<?php
namespace TheSeer\fDOM\CSS {

    class NotRule implements RuleInterface {

        /**
         * @var Translator
         */
        private $translator;

        public function __construct(Translator $translator) {
            $this->translator = $translator;
        }

        /**
         * @param $selector
         *
         * @return string
         */
        public function apply($selector) {
            return preg_replace_callback(
                '/([a-zA-Z0-9\_\-\*]+):not\(([^\)]*)\)/',
                array($this, 'callback'),
                $selector
            );
        }

        private function callback(array $matches) {
            $subresult = preg_replace(
                '/^[^\[]+\[([^\]]*)\].*$/',
                '$1',
                $this->translator->translate($matches[2])
            );
            return $matches[1] .  '[not(' . $subresult . ')]';
        }

    }

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM\CSS {

    /**
     * Class Translator
     *
     * The regular expressions used in this class are heavily inspired by and mostly adopted from
     * the css2xpath.js code by Andrea Giammarchi (http://code.google.com/p/css2xpath/).
     * The JavaScript version (css2xpath.js) is licensed under the MIT License
     *
     */
    class Translator {

        /**
         * @var array
         */
        private $rules;

        /**
         * @param string $selector A CSS Selector string
         *
         * @return string
         */
        public function translate($selector) {
            foreach($this->getRules() as $rule) {
                /** @var RuleInterface $rule */
                $selector = $rule->apply($selector);
            }
            return '//' . $selector;
        }

        /**
         * @return array
         */
        private function getRules() {
            if ($this->rules != NULL) {
                return $this->rules;
            }

            $this->rules = array(

                // prefix|name
                new RegexRule('/([a-zA-Z0-9\_\-\*]+)\|([a-zA-Z0-9\_\-\*]+)/', '$1:$2'),

                // add @ for attribs
                new RegexRule("/\[([^\]~\$\*\^\|\!]+)(=[^\]]+)?\]/", '[@$1$2]'),

                // multiple queries
                new RegexRule("/\s*,\s*/", '|'),

                // , + ~ >
                new RegexRule("/\s*(\+|~|>)\s*/", '$1'),

                //* ~ + >
                new RegexRule("/([a-zA-Z0-9\_\-\*])~([a-zA-Z0-9\_\-\*])/", '$1/following-sibling::$2'),
                new RegexRule("/([a-zA-Z0-9\_\-\*])\+([a-zA-Z0-9\_\-\*])/", '$1/following-sibling::*[1]/self::$2'),
                new RegexRule("/([a-zA-Z0-9\_\-\*])>([a-zA-Z0-9\_\-\*])/", '$1/$2'),

                // all unescaped stuff escaped
                new RegexRule("/\[([^=]+)=([^'|'][^\]]*)\]/", '[$1="$2"]'),

                // all descendant or self to //
                new RegexRule("/(^|[^a-zA-Z0-9\_\-\*])(#|\.)([a-zA-Z0-9\_\-]+)/", '$1*$2$3'),
                new RegexRule("/([\>\+\|\~\,\s])([a-zA-Z\*]+)/", '$1//$2'),
                new RegexRule("/\s+\/\//", '//'),

                // :first-child
                new RegexRule("/([a-zA-Z0-9\_\-\*]+):first-child/", '*[1]/self::$1'),

                // :last-child
                new RegexRule("/([a-zA-Z0-9\_\-\*]+):last-child/", '$1[not(following-sibling::*)]'),

                // :only-child
                new RegexRule("/([a-zA-Z0-9\_\-\*]+):only-child/", '*[last()=1]/self::$1'),

                // :empty
                new RegexRule("/([a-zA-Z0-9\_\-\*]+):empty/", '$1[not(*) and not(normalize-space())]'),

                // :not
                new NotRule($this),

                // :nth-child
                new NthChildRule(),

                // :contains(selectors)
                new RegexRule('/:contains\(([^\)]*)\)/', '[contains(string(.),"$1")]'),

                // |= attrib
                new RegexRule("/\[([a-zA-Z0-9\_\-]+)\|=([^\]]+)\]/", '[@$1=$2 or starts-with(@$1,concat($2,"-"))]'),

                // *= attrib
                new RegexRule("/\[([a-zA-Z0-9\_\-]+)\*=([^\]]+)\]/", '[contains(@$1,$2)]'),

                // ~= attrib
                new RegexRule("/\[([a-zA-Z0-9\_\-]+)~=([^\]]+)\]/", '[contains(concat(" ",normalize-space(@$1)," "),concat(" ",$2," "))]'),

                // ^= attrib
                new RegexRule("/\[([a-zA-Z0-9\_\-]+)\^=([^\]]+)\]/", '[starts-with(@$1,$2)]'),

                // $= attrib
                new DollarEqualRule(),

                // != attrib
                new RegexRule("/\[([a-zA-Z0-9\_\-]+)\!=([^\]]+)\]/", '[not(@$1) or @$1!=$2]'),

                // ids and classes
                new RegexRule("/#([a-zA-Z0-9\_\-]+)/", '[@id="$1"]'),
                new RegexRule("/\.([a-zA-Z0-9\_\-]+)/", '[contains(concat(" ",normalize-space(@class)," ")," $1 ")]'),

                // normalize multiple filters
                new RegexRule("/\]\[([^\]]+)/", ' and ($1)')


            );
            return $this->rules;
        }
    }

}
<?php
namespace TheSeer\fDOM\CSS {

    class NthChildRule implements RuleInterface {

        /**
         * @param $selector
         *
         * @return string
         */
        public function apply($selector) {
            return preg_replace_callback(
                '/([a-zA-Z0-9\_\-\*]+):nth-child\(([^\)]*)\)/',
                array($this, 'callback'),
                $selector
            );
        }

        private function callback(array $matches) {
            switch($matches[2]){
                case 'n': {
                    return $matches[1];
                }
                case 'even': {
                    return '*[position() mod 2=0 and position()>=0]/self::' . $matches[1];
                }
                case 'odd': {
                    return $matches[1] . '[(count(preceding-sibling::*) + 1) mod 2=1]';
                }
                default: {
                    $b = !isset($matches[2]) || empty($matches[2]) ? '0' : $matches[2];
                    $b = preg_replace('/^([0-9]*)n.*?([0-9]*)$/', '$1+$2', $b);
                    $b = explode('+', $b);
                    if (!isset($b[1])) {
                        $b[1] = '0';
                    }
                    return '*[(position()-' . $b[1] . ') mod ' . $b[0] . '=0 and position()>=' . $b[1] . ']/self::' . $matches[1];
                }
            }
        }

    }

}
<?php
namespace TheSeer\fDOM\CSS {

    class RegexRule implements RuleInterface {

        /**
         * @var string
         */
        private $regex;

        /**
         * @var string
         */
        private $replacement;

        /**
         * @param string $regex
         * @param string $replacement
         */
        public function __construct($regex, $replacement) {
            $this->regex = $regex;
            $this->replacement = $replacement;
        }

        /**
         * @param $selector
         *
         * @return string
         */
        public function apply($selector) {
            return preg_replace($this->regex, $this->replacement, $selector);
        }

    }

}
<?php
namespace TheSeer\fDOM\CSS {

    class DollarEqualRule implements RuleInterface {

        /**
         * @param $selector
         *
         * @return string
         */
        public function apply($selector) {
            return preg_replace_callback(
                '/\[([a-zA-Z0-9\_\-]+)\$=([^\]]+)\]/',
                array($this, 'callback'),
                $selector
            );
        }

        private function callback(array $matches) {
            return '[substring(@' . $matches[1] . ',string-length(@' . $matches[1] . ')-' .  (strlen($matches[2]) - 3) . ')=' . $matches[1] . ']';
        }
    }

}
<?php
namespace TheSeer\fDOM\CSS {

    interface RuleInterface {

        /**
         * @param $selector
         *
         * @return string
         */
        public function apply($selector);

    }

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    /**
     * fDOMXPath extension to PHP's DOMXPath.
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMXPath extends \DOMXPath {

        protected $doc;

        public function __construct(\DOMDocument $doc) {
            parent::__construct($doc);
            $this->doc = $doc;
        }

        public function prepare($xpath, array $valueMap) {
            if (count($valueMap)==0) {
                return $xpath;
            }
            foreach($valueMap as $key => $value) {
                $xpath = str_replace(':'.$key, $this->quote($value), $xpath);
            }
            return $xpath;
        }

        public function query($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            libxml_clear_errors();
            if (version_compare(PHP_VERSION, '5.3.3', '<') || strpos(PHP_VERSION, 'hiphop')) {
                $rc = parent::query($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement);
            } else {
                $rc = parent::query($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement, $registerNodeNS);
            }

            if (libxml_get_last_error()) {
                throw new fDOMException('evaluating xpath expression failed.', fDOMException::QueryError);
            }
            return $rc;
        }

        public function evaluate($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            libxml_clear_errors();
            if (version_compare(PHP_VERSION, '5.3.3', '<') || strpos(PHP_VERSION, 'hiphop')) {
                $rc = parent::evaluate($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement);
            } else {
                $rc = parent::evaluate($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement, $registerNodeNS);
            }
            if (libxml_get_last_error()) {
                throw new fDOMException('evaluating xpath expression failed.', fDOMException::QueryError);
            }
            return $rc;
        }

        public function queryOne($q, \DOMNode $ctx = null, $registerNodeNS = true) {
            $rc = $this->evaluate($q, $ctx, $registerNodeNS);
            if ($rc instanceof \DOMNodelist) {
                return $rc->item(0);
            }
            return $rc;
        }

        public function quote($str) {
            if (strpos($str, '"') === false) {
                return '"'.$str.'"';
            }
            $parts = explode('"', $str);
            return 'concat("' . join('",\'"\',"', $parts).'")';
        }
    }
}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    class XPathQueryException extends \Exception {
        const KeyNotFound = 1;
    }

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package    fDOM
 * @author     Arne Blankerts <arne@blankerts.de>
 * @copyright  Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license    BSD License
 */

namespace TheSeer\fDOM {

    /**
     * fDOMException
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMException extends \Exception {

        const LoadError          = 1;
        const ParseError         = 2;
        const SaveError          = 3;
        const QueryError         = 4;
        const RegistrationFailed = 5;
        const NoDOMXPath         = 6;
        const UnboundPrefix      = 7;
        const SetFailedError     = 8;
        const NameInvalid        = 9;

        /**
         * List of libxml error objects
         *
         * @var array
         */
        private $errorList;


        /**
         * Full Error message
         *
         * @var string
         */
        private $fullMessage = null;


        /**
         * Short Error Message
         *
         * @var string
         */
        private $shortMessage = null;


        private static $fullMesageMode = true;

        /**
         * Constructor
         *
         * @param string  $message Exception message
         * @param integer $code    Exception code
         * @param Exception $chain optional chained exception
         *
         */
        public function __construct($message, $code = 0, \Exception $chain = NULL) {
            $this->shortMessage = $message;
            $this->errorList = libxml_get_errors();
            libxml_clear_errors();
            parent :: __construct($message, $code, $chain);

            $this->fullMessage = $message."\n\n";

            foreach ($this->errorList as $error) {
                // hack, skip "attempt to load external pseudo error"
                if ($error->code=='1543') {
                    continue;
                }

                if (empty($error->file)) {
                    $this->fullMessage .= '[XML-STRING] ';
                } else {
                    $this->fullMessage .= '['.$error->file.'] ';
                }

                $this->fullMessage .= '[Line: '.$error->line.' - Column: '.$error->column.'] ';

                switch ($error->level) {
                    case LIBXML_ERR_WARNING:
                        $this->fullMessage .= "Warning $error->code: ";
                        break;
                    case LIBXML_ERR_ERROR:
                        $this->fullMessage .= "Error $error->code: ";
                        break;
                    case LIBXML_ERR_FATAL:
                        $this->fullMessage .= "Fatal Error $error->code: ";
                        break;
                }

                $this->fullMessage .= str_replace("\n", '', $error->message)."\n";

                if (self::$fullMesageMode) {
                    $this->message = $this->fullMessage;
                }

            }
        }

        /**
         * Accessor to fullMessage
         *
         * @return string
         */
        public function getFullMessage() {
            return $this->fullMessage;
        }

        /**
         * Access to shortMessage
         *
         * @return string
         */
        public function getShortMessage() {
            return $this->shortMessage;
        }

        /**
         * Accessor to errorList objets
         *
         * @return array
         */
        public function getErrorList() {
            return $this->errorList;
        }

        /**
         * Toggle wehter getMessage() should return full or only exception message
         *
         * @param boolean $full Flag to enable or disable full message output
         *
         * @return void
         */
        public function toggleFullMessage($full = true) {
            $this->message = $full ? $this->fullMessage : $this->shortMessage;
        }

        /**
         * Magic method for string context
         *
         * @return string
         */
        public function __toString() {
            return $this->fullMessage;
        }

    } // fDOMException

}
<?php
// @codingStandardsIgnoreFile
// @codeCoverageIgnoreStart
// this is an autogenerated file - do not edit
spl_autoload_register(
    function($class) {
        static $classes = null;
        if ($classes === null) {
            $classes = array(
                'theseer\\fdom\\css\\dollarequalrule' => '/css/DollarEqualRule.php',
                'theseer\\fdom\\css\\notrule' => '/css/NotRule.php',
                'theseer\\fdom\\css\\nthchildrule' => '/css/NthChildRule.php',
                'theseer\\fdom\\css\\regexrule' => '/css/RegexRule.php',
                'theseer\\fdom\\css\\ruleinterface' => '/css/RuleInterface.php',
                'theseer\\fdom\\css\\translator' => '/css/Translator.php',
                'theseer\\fdom\\fdomdocument' => '/fDOMDocument.php',
                'theseer\\fdom\\fdomdocumentfragment' => '/fDOMDocumentFragment.php',
                'theseer\\fdom\\fdomelement' => '/fDOMElement.php',
                'theseer\\fdom\\fdomexception' => '/fDOMException.php',
                'theseer\\fdom\\fdomnode' => '/fDOMNode.php',
                'theseer\\fdom\\fdomxpath' => '/fDOMXPath.php',
                'theseer\\fdom\\xpathquery' => '/XPathQuery.php',
                'theseer\\fdom\\xpathqueryexception' => '/XPathQueryException.php'
            );
        }
        $cn = strtolower($class);
        if (isset($classes[$cn])) {
            require __DIR__ . $classes[$cn];
        }
    }
);
// @codeCoverageIgnoreEnd
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {
    use TheSeer\fDOM\CSS\Translator;

    /**
     * fDOMDocument extension to PHP's DOMDocument.
     * This class adds various convenience methods to simplify APIs
     * It is set to final since further extending it would even more
     * break the Object structure after use of registerNodeClass.
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMDocument extends \DOMDocument {

        /**
         * XPath Object instance
         *
         * @var fDOMXPath
         */
        private $xp = NULL;

        /**
         * List of registered prefixes and their namespace uri
         * @var Array
         */
        private $prefixes = array();

        /**
         * Extended DOMDocument constructor
         *
         * @param string $version       XML Version, should be 1.0
         * @param string $encoding      Encoding, defaults to utf-8
         * @param array  $streamOptions optional stream options array
         *
         * @return fDOMDocument
         */
        public function __construct($version = '1.0', $encoding = 'utf-8', $streamOptions = NULL) {
            if (!is_null($streamOptions)) {
                $this->setStreamContext($streamOptions);
            }

            libxml_use_internal_errors(TRUE);
            $rc = parent::__construct($version, $encoding);

            $this->registerNodeClass('DOMDocument', get_called_class());
            $this->registerNodeClass('DOMNode', 'TheSeer\fDOM\fDOMNode');
            $this->registerNodeClass('DOMElement', 'TheSeer\fDOM\fDOMElement');
            $this->registerNodeClass('DOMDocumentFragment', 'TheSeer\fDOM\fDOMDocumentFragment');

            return $rc;
        }

        /**
         * Reset XPath object so the clone gets a new instance when needed
         */
        public function __clone() {
            $this->xp = new fDOMXPath($this);
            foreach($this->prefixes as $prefix => $uri) {
                $this->xp->registerNamespace($prefix, $uri);
            }
        }

        public function __toString() {
            return $this->C14N();
        }

        /**
         * Set Stream context options
         *
         * @param Array $options Stream context options
         *
         * @return boolean true on success, false on failure
         */
        public function setStreamContext(Array $options) {
            if (!count($options)) {
                return FALSE;
            }
            $context = stream_context_create($options);
            libxml_set_streams_context($context);
            return TRUE;
        }

        /**
         * Wrapper to DOMDocument load with exception handling
         * Returns true on success to satisfy the compatibilty of the original DOM Api
         *
         * @param string  $fname   File to load
         * @param int|null $options LibXML Flags to pass
         *
         * @throws fDOMException
         *
         * @return bool|mixed
         */
        public function load($fname, $options = LIBXML_NONET) {
            $this->xp = NULL;
            $tmp = parent :: load($fname, $options);
            if (!$tmp || libxml_get_last_error()) {
                throw new fDOMException("loading file '$fname' failed.", fDOMException::LoadError);
            }
            return TRUE;
        }

        /**
         * Wrapper to DOMDocument loadXML with exception handling
         * Returns true on success to satisfy the compatibilty of the original DOM Api
         *
         * @param string  $source  XML source code
         * @param integer $options LibXML option flags
         *
         * @throws fDOMException
         *
         * @return boolean
         */
        public function loadXML($source, $options = LIBXML_NONET) {
            $this->xp = NULL;
            $tmp = parent :: loadXML($source, $options);
            if (!$tmp || libxml_get_last_error()) {
                throw new fDOMException('parsing string failed', fDOMException::ParseError);
            }
            return TRUE;
        }

        /**
         * Wrapper to DOMDocument loadHTMLFile with exception handling.
         * Returns true on success to satisfy the compatibilty of the original DOM Api
         *
         * @param string  $fname html file to load
         * @param integer $options Options bitmask (@see DOMDocument::loadHTMLFile)
         *
         * @throws fDOMException
         *
         * @return boolean
         */
        public function loadHTMLFile($fname, $options = NULL) {
            $this->xp = NULL;
            if (version_compare(PHP_VERSION, '5.4.0', '<')) {
                if ($options != NULL) {
                    throw new fDOMException('Passing options requires PHP 5.4.0+', fDOMException::LoadError);
                }
                $tmp = parent :: loadHTMLFile($fname);
            } else {
                $tmp = parent :: loadHTMLFile($fname, $options);
            }
            if (!$tmp || libxml_get_last_error()) {
                throw new fDOMException("loading html file '$fname' failed", fDOMException::LoadError);
            }
            return TRUE;
        }

        /**
         * Wrapper to DOMDocument loadHTML with exception handling
         * Returns true on success to satisfy the compatibilty of the original DOM Api
         *
         * @param string  $source html source code
         * @param integer $options Options bitmask (@see DOMDocument::loadHTML)
         *
         * @throws fDOMException
         *
         * @return boolean
         */
        public function loadHTML($source, $options = NULL) {
            $this->xp = NULL;
            if (version_compare(PHP_VERSION, '5.4.0', '<')) {
                if ($options != NULL) {
                    throw new fDOMException('Passing options requires PHP 5.4.0+', fDOMException::LoadError);
                }
                $tmp = parent :: loadHTML($source);
            } else {
                $tmp = parent :: loadHTML($source, $options);
            }
            if (!$tmp || libxml_get_last_error()) {
                throw new fDOMException('parsing html string failed', fDOMException::ParseError);
            }
            return TRUE;
        }

        /**
         * Wrapper to DOMDocument::save with exception handling
         *
         * @param string  $filename filename to save to
         * @param integer $options Options bitmask (@see DOMDocument::save)
         *
         * @throws fDOMException
         *
         * @return integer bytes saved
         */
        public function save($filename, $options = NULL) {
            $tmp = parent::save($filename, $options);
            if (!$tmp) {
                throw new fDOMException('saving xml file failed', fDOMException::SaveError);
            }
            return $tmp;
        }

        /**
         * Wrapper to DOMDocument::saveHTML with exception handling
         *
         * @param DOMNode|null $node Context DOMNode (optional)
         *
         * @throws fDOMException
         * @return string html content
         */
        public function saveHTML(\DOMNode $node = NULL) {
            if (version_compare(PHP_VERSION, '5.3.6', '<') && $node != NULL) {
                throw new fDOMException('Passing a context node requires PHP 5.3.6+', fDOMException::SaveError);
            }
            $tmp = parent::saveHTML($node);
            if (!$tmp) {
                throw new fDOMException('serializing to HTML failed', fDOMException::SaveError);
            }
            return $tmp;
        }

        /**
         * Wrapper to DOMDocument::saveHTMLfile with exception handling
         *
         * @param string $filename filename to save to
         * @param integer $options Options bitmask (@see DOMDocument::saveHTMLFile)
         *
         * @throws fDOMException
         *
         * @return integer bytes saved
         */
        public function saveHTMLFile($filename, $options = NULL) {
            $tmp = parent::saveHTMLFile($filename, $options);
            if (!$tmp) {
                throw new fDOMException('saving to HTML file failed', fDOMException::SaveError);
            }
            return $tmp;
        }

        /**
         * Wrapper to DOMDocument::saveXML with exception handling
         *
         * @param \DOMNode $node    node to start serializing at
         * @param integer  $options options flags as bitmask
         *
         * @throws fDOMException
         *
         * @return string serialized XML
         */
        public function saveXML(\DOMNode $node = NULL, $options = NULL) {
            try {
                $tmp = parent::saveXML($node, $options);
                if (!$tmp) {
                    throw new fDOMException('serializing to XML failed', fDOMException::SaveError);
                }
                return $tmp;
            } catch (\Exception $e) {
                if (!$e instanceof fDOMException) {
                    throw new fDOMException($e->getMessage(), fDOMException::SaveError, $e);
                }
                throw $e;
            }
        }

        /**
         * get Instance of DOMXPath Object for current DOM
         *
         * @throws fDOMException
         *
         * @return fDOMXPath
         */
        public function getDOMXPath() {
            if (is_null($this->xp)) {
                $this->xp = new fDOMXPath($this);
            }
            if (!$this->xp) {
                throw new fDOMException('creating DOMXPath object failed.', fDOMException::NoDOMXPath);
            }
            return $this->xp;
        }

        /**
         * Convert a given DOMNodeList into a DOMFragment
         *
         * @param \DOMNodeList $list The Nodelist to process
         * @param boolean     $move Signale if nodes are to be moved into fragment or not
         *
         * @return fDOMDocumentFragment
         */
        public function nodeList2Fragment(\DOMNodeList $list, $move=FALSE) {
            $frag = $this->createDocumentFragment();
            /** @var fDOMNode $node */
            foreach($list as $node) {
                $frag->appendChild($move ? $node : $node->cloneNode(TRUE));
            }
            return $frag;
        }

        /**
         * Perform an xpath query
         *
         * @param String   $q   query string containing xpath
         * @param \DOMNode|null $ctx (optional) Context DOMNode
         * @param boolean  $registerNodeNS  Register flag pass through
         *
         * @return \DOMNodeList
         */
        public function query($q, \DOMNode $ctx = NULL, $registerNodeNS = TRUE) {
            if (is_null($this->xp)) {
                $this->getDOMXPath();
            }
            return $this->xp->evaluate($q, $ctx, $registerNodeNS);
        }

        /**
         * Perform an xpath query and return only the 1st match
         *
         * @param String   $q   query string containing xpath
         * @param \DOMNode  $ctx (optional) Context DOMNode
         * @param boolean  $registerNodeNS  Register flag pass thru
         *
         * @return fDOMNode
         */
        public function queryOne($q, \DOMNode $ctx = NULL, $registerNodeNS = TRUE) {
            if (is_null($this->xp)) {
                $this->getDOMXPath();
            }
            return $this->xp->queryOne($q, $ctx, $registerNodeNS);
        }

        /**
         * Forwarder to fDOMXPath's prepare method allowing for easy and secure
         * placeholder replacement comparable to sql's prepared statements
         * .
         * @param string $xpath    String containing xpath with :placeholder markup
         * @param array  $valueMap Array containing keys (:placeholder) and value pairs to be quoted
         *
         * @return string
         */
        public function prepareQuery($xpath, array $valueMap) {
            if (is_null($this->xp)) {
                $this->getDOMXPath();
            }
            return $this->xp->prepare($xpath, $valueMap);
        }

        /**
         * Use a CSS Level 3 Selector string to query select nodes
         *
         * @param string   $selector A CSS Level 3 Selector string
         * @param \DOMNode $ctx
         * @param bool     $registerNodeNS
         *
         * @return \DOMNodeList
         */
        public function select($selector, \DOMNode $ctx = NULL, $registerNodeNS = TRUE) {
            $translator = new Translator();
            $xpath = $translator->translate($selector);
            if ($ctx != NULL) {
                $xpath = '.' . $xpath;
            }
            return $this->query($xpath, $ctx, $registerNodeNS);
        }

        /**
         * Forward to DOMXPath->registerNamespace()
         *
         * @param string $prefix The prefix to use
         * @param string $uri    The uri to assign to this prefix
         *
         * @throws fDOMException
         *
         * @return void
         */
        public function registerNamespace($prefix, $uri) {
            if (is_null($this->xp)) {
                $this->getDOMXPath();
            }
            if (!$this->xp->registerNamespace($prefix, $uri)) {
                throw new fDOMException("Registering namespace '$uri' with prefix '$prefix' failed.", fDOMException::RegistrationFailed);
            }
            $this->prefixes[$prefix] = $uri;
        }

        /**
         * Forward to DOMXPath->registerPHPFunctions()
         *
         * @param mixed $restrict Array of function names or string with functionname to restrict callabilty to
         *
         * @throws fDOMException
         *
         * @return void
         */
        public function registerPHPFunctions($restrict = NULL) {
            if (is_null($this->xp)) {
                $this->getDOMXPath();
            }
            $this->xp->registerPHPFunctions($restrict);
            if (libxml_get_last_error()) {
                throw new fDOMException("Registering php functions failed.", fDOMException::RegistrationFailed);
            }
        }

        /**
         * Create a new element in namespace defined by given prefix
         *
         * @param string $prefix   Namespace prefix for node to create
         * @param string $name     Name of not element to create
         * @param string $content  Optional content to be set
         * @param bool $asTextNode Create content as textNode rather then setting nodeValue
         *
         * @throws fDOMException
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function createElementPrefix($prefix, $name, $content = NULL, $asTextNode = FALSE) {
            if (!isset($this->prefixes[$prefix])) {
                throw new fDOMException("'$prefix' not bound", fDOMException::UnboundPrefix);
            }
            return $this->createElementNS($this->prefixes[$prefix], $prefix.':'.$name, $content, $asTextNode);
        }

        /**
         * Create a new fDOMElement and return it, optionally set content
         *
         * @param string $name Name of node to create
         * @param null $content Content to set (optional)
         * @param bool $asTextNode Create content as textNode rather then setting nodeValue
         *
         * @throws fDOMException
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function createElement($name, $content = NULL, $asTextnode = FALSE) {
            try {
                $node = parent::createElement($name);
                if (!$node) {
                    throw new fDOMException("Creating element with name '$name' failed", fDOMException::NameInvalid);
                }
                if ($content !== NULL) {
                    if ($asTextnode) {
                        $node->appendChild($this->createTextnode($content));
                    } else {
                        $node->nodeValue = $content;
                    }
                    if (libxml_get_errors()) {
                        throw new fDOMException("Setting content value failed", fDOMException::SetFailedError);
                    }
                }
            } catch (\DOMException $e) {
                throw new fDOMException("Creating elemnt with name '$name' failed", 0, $e);
            }
            return $node;
        }

        /**
         * Create a new fDOMElement within given namespace and return it
         *
         * @param string $namespace Namespace URI for node to create
         * @param string $name Name of node to create
         * @param null $content Content to set (optional)
         * @param bool $asTextNode Create content as textNode rather then setting nodeValue
         *
         * @throws fDOMException
         *
         * @return fDOMElement
         */
        public function createElementNS($namespace, $name, $content = NULL, $asTextNode = FALSE) {
            $node = parent::createElementNS($namespace, $name);
            if (!$node) {
                throw new fDOMException("Creating element with name '$name' failed", fDOMException::NameInvalid);
            }
            if ($content !== NULL) {
                if ($asTextNode) {
                    $node->appendChild($this->createTextnode($content));
                } else {
                    $node->nodeValue = $content;
                }
                if (libxml_get_errors()) {
                    throw new fDOMException("Setting content value failed", fDOMException::SetFailedError);
                }
            }
            return $node;
        }

        /**
         * Check if the given node is in the same document
         *
         * @param \DOMNode $node Node to compare with
         *
         * @return boolean true on match, false if they differ
         *
         */
        public function inSameDocument(\DOMNode $node) {
            if ($node instanceof \DOMDocument) {
                return $this->isSameNode($node);
            }
            return $this->isSameNode($node->ownerDocument);
        }

        /**
         * Create a new element and append it as documentElement
         *
         * @param $name     Name of not element to create
         * @param $content  Optional content to be set
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function appendElement($name, $content = NULL, $asTextNode = FALSE) {
            return $this->appendChild(
                $this->createElement($name, $content, $asTextNode)
            );
        }

        /**
         * Create a new element in given namespace and append it as documentElement
         *
         * @param $ns       Namespace of node to create
         * @param $name     Name of not element to create
         * @param $content  Optional content to be set
         *
         * @return fDOMElement Reference to created fDOMElement
         */
        public function appendElementNS($ns, $name, $content = NULL, $asTextNode = FALSE) {
            return $this->appendChild(
                $this->createElementNS($ns, $name, $content, $asTextNode)
            );
        }

    } // fDOMDocument

}
<?php
/**
 * Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *   * Neither the name of Arne Blankerts nor the names of contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  * NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @category  PHP
 * @package   TheSeer\fDOM
 * @author    Arne Blankerts <arne@blankerts.de>
 * @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link      http://github.com/theseer/fdomdocument
 *
 */

namespace TheSeer\fDOM {

    /**
     * fDOMDocumentFragment
     *
     * @category  PHP
     * @package   TheSeer\fDOM
     * @author    Arne Blankerts <arne@blankerts.de>
     * @access    public
     *
     */
    class fDOMDocumentFragment extends \DOMDocumentFragment {

        public function __toString() {
            return $this->C14N();
        }

        /**
         * Wrapper to standard method with exception support
         *
         * @param string $str Data string to parse and append
         *
         * @return boolean true on success
         */
        public function appendXML($str) {
            if (!parent::appendXML($str)) {
                throw new fDOMException('Appending xml string failed', fDOMException::ParseError);
            }
            return true;
        }

        /**
         * Check if the given node is in the same document
         *
         * @param \DOMNode $node Node to compare with
         *
         * @return boolean true on match, false if they differ
         *
         */
        public function inSameDocument(\DOMNode $node) {
            return $this->ownerDocument->inSameDocument($node);
        }

    } // fDOMDocumentFragment

}
<?php
/**
 * PHP_Timer
 *
 * Copyright (c) 2010-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package    PHP
 * @subpackage Timer
 * @author     Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright  2010-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link       http://github.com/sebastianbergmann/php-timer
 * @since      File available since Release 1.0.0
 */

/**
 * Utility class for timing.
 *
 * @package    PHP
 * @subpackage Timer
 * @author     Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright  2010-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version    Release: @package_version@
 * @link       http://github.com/sebastianbergmann/php-timer
 * @since      Class available since Release 1.0.0
 */
class PHP_Timer
{
    /**
     * @var array
     */
    private static $times = array(
      'hour'   => 3600000,
      'minute' => 60000,
      'second' => 1000
    );

    /**
     * @var array
     */
    private static $startTimes = array();

    /**
     * @var float
     */
    public static $requestTime;

    /**
     * Starts the timer.
     */
    public static function start()
    {
        array_push(self::$startTimes, microtime(TRUE));
    }

    /**
     * Stops the timer and returns the elapsed time.
     *
     * @return float
     */
    public static function stop()
    {
        return microtime(TRUE) - array_pop(self::$startTimes);
    }

    /**
     * Formats the elapsed time as a string.
     *
     * @param  float $time
     * @return string
     */
    public static function secondsToTimeString($time)
    {
        $ms = round($time * 1000);

        foreach (self::$times as $unit => $value) {
            if ($ms >= $value) {
                $time = floor($ms / $value * 100.0) / 100.0;
                return $time . ' ' . ($time == 1 ? $unit : $unit . 's');
            }
        }

        return $ms . ' ms';
    }

    /**
     * Formats the elapsed time since the start of the request as a string.
     *
     * @return string
     */
    public static function timeSinceStartOfRequest()
    {
        return self::secondsToTimeString(microtime(TRUE) - self::$requestTime);
    }

    /**
     * Returns the resources (time, memory) of the request as a string.
     *
     * @return string
     */
    public static function resourceUsage()
    {
        return sprintf(
          'Time: %s, Memory: %4.2fMb',
          self::timeSinceStartOfRequest(),
          memory_get_peak_usage(TRUE) / 1048576
        );
    }
}

if (isset($_SERVER['REQUEST_TIME_FLOAT'])) {
    PHP_Timer::$requestTime = $_SERVER['REQUEST_TIME_FLOAT'];
}

else {
    PHP_Timer::$requestTime = microtime(TRUE);
}
<?php
/**
 * php-token-stream
 *
 * Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   PHP_TokenStream
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

/**
 * A caching factory for token stream objects.
 *
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/php-token-stream/tree
 * @since     Class available since Release 1.0.0
 */
class PHP_Token_Stream_CachingFactory
{
    /**
     * @var array
     */
    protected static $cache = array();

    /**
     * @param  string $filename
     * @return PHP_Token_Stream
     */
    public static function get($filename)
    {
        if (!isset(self::$cache[$filename])) {
            self::$cache[$filename] = new PHP_Token_Stream($filename);
        }

        return self::$cache[$filename];
    }

    /**
     * @param string $filename
     */
    public static function clear($filename = NULL)
    {
        if (is_string($filename)) {
            unset(self::$cache[$filename]);
        } else {
            self::$cache = array();
        }
    }
}
<?php
/**
 * php-token-stream
 *
 * Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   PHP_TokenStream
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

/**
 * A stream of PHP tokens.
 *
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/php-token-stream/tree
 * @since     Class available since Release 1.0.0
 */
class PHP_Token_Stream implements ArrayAccess, Countable, SeekableIterator
{
    /**
     * @var array
     */
    protected static $customTokens = array(
      '(' => 'PHP_Token_OPEN_BRACKET',
      ')' => 'PHP_Token_CLOSE_BRACKET',
      '[' => 'PHP_Token_OPEN_SQUARE',
      ']' => 'PHP_Token_CLOSE_SQUARE',
      '{' => 'PHP_Token_OPEN_CURLY',
      '}' => 'PHP_Token_CLOSE_CURLY',
      ';' => 'PHP_Token_SEMICOLON',
      '.' => 'PHP_Token_DOT',
      ',' => 'PHP_Token_COMMA',
      '=' => 'PHP_Token_EQUAL',
      '<' => 'PHP_Token_LT',
      '>' => 'PHP_Token_GT',
      '+' => 'PHP_Token_PLUS',
      '-' => 'PHP_Token_MINUS',
      '*' => 'PHP_Token_MULT',
      '/' => 'PHP_Token_DIV',
      '?' => 'PHP_Token_QUESTION_MARK',
      '!' => 'PHP_Token_EXCLAMATION_MARK',
      ':' => 'PHP_Token_COLON',
      '"' => 'PHP_Token_DOUBLE_QUOTES',
      '@' => 'PHP_Token_AT',
      '&' => 'PHP_Token_AMPERSAND',
      '%' => 'PHP_Token_PERCENT',
      '|' => 'PHP_Token_PIPE',
      '$' => 'PHP_Token_DOLLAR',
      '^' => 'PHP_Token_CARET',
      '~' => 'PHP_Token_TILDE',
      '`' => 'PHP_Token_BACKTICK'
    );

    /**
     * @var string
     */
    protected $filename;

    /**
     * @var array
     */
    protected $tokens = array();

    /**
     * @var integer
     */
    protected $position = 0;

    /**
     * @var array
     */
    protected $linesOfCode = array('loc' => 0, 'cloc' => 0, 'ncloc' => 0);

    /**
     * @var array
     */
    protected $classes;

    /**
     * @var array
     */
    protected $functions;

    /**
     * @var array
     */
    protected $includes;

    /**
     * @var array
     */
    protected $interfaces;

    /**
     * @var array
     */
    protected $traits;

    /**
     * @var array
     */
    protected $lineToFunctionMap = array();

    /**
     * Constructor.
     *
     * @param string $sourceCode
     */
    public function __construct($sourceCode)
    {
        if (is_file($sourceCode)) {
            $this->filename = $sourceCode;
            $sourceCode     = file_get_contents($sourceCode);
        }

        $this->scan($sourceCode);
    }

    /**
     * Destructor.
     */
    public function __destruct()
    {
        $this->tokens = array();
    }

    /**
     * @return string
     */
    public function __toString()
    {
        $buffer = '';

        foreach ($this as $token) {
            $buffer .= $token;
        }

        return $buffer;
    }

    /**
     * @return string
     * @since  Method available since Release 1.1.0
     */
    public function getFilename()
    {
        return $this->filename;
    }

    /**
     * Scans the source for sequences of characters and converts them into a
     * stream of tokens.
     *
     * @param string $sourceCode
     */
    protected function scan($sourceCode)
    {
        $line      = 1;
        $tokens    = token_get_all($sourceCode);
        $numTokens = count($tokens);

        $lastNonWhitespaceTokenWasDoubleColon = FALSE;

        for ($i = 0; $i < $numTokens; ++$i) {
            $token = $tokens[$i];
            unset($tokens[$i]);

            if (is_array($token)) {
                $name = substr(token_name($token[0]), 2);
                $text = $token[1];

                if ($lastNonWhitespaceTokenWasDoubleColon && $name == 'CLASS') {
                    $name = 'CLASS_NAME_CONSTANT';
                }

                $tokenClass = 'PHP_Token_' . $name;
            } else {
                $text       = $token;
                $tokenClass = self::$customTokens[$token];
            }

            $this->tokens[] = new $tokenClass($text, $line, $this, $i);
            $lines          = substr_count($text, "\n");
            $line          += $lines;

            if ($tokenClass == 'PHP_Token_HALT_COMPILER') {
                break;
            }

            else if ($tokenClass == 'PHP_Token_COMMENT' ||
                $tokenClass == 'PHP_Token_DOC_COMMENT') {
                $this->linesOfCode['cloc'] += $lines + 1;
            }

            if ($name == 'DOUBLE_COLON') {
                $lastNonWhitespaceTokenWasDoubleColon = TRUE;
            }

            else if ($name != 'WHITESPACE') {
                $lastNonWhitespaceTokenWasDoubleColon = FALSE;
            }
        }

        $this->linesOfCode['loc']   = substr_count($sourceCode, "\n");
        $this->linesOfCode['ncloc'] = $this->linesOfCode['loc'] -
                                      $this->linesOfCode['cloc'];
    }

    /**
     * @return integer
     */
    public function count()
    {
        return count($this->tokens);
    }

    /**
     * @return PHP_Token[]
     */
    public function tokens()
    {
        return $this->tokens;
    }

    /**
     * @return array
     */
    public function getClasses()
    {
        if ($this->classes !== NULL) {
            return $this->classes;
        }

        $this->parse();

        return $this->classes;
    }

    /**
     * @return array
     */
    public function getFunctions()
    {
        if ($this->functions !== NULL) {
            return $this->functions;
        }

        $this->parse();

        return $this->functions;
    }

    /**
     * @return array
     */
    public function getInterfaces()
    {
        if ($this->interfaces !== NULL) {
            return $this->interfaces;
        }

        $this->parse();

        return $this->interfaces;
    }

    /**
     * @return array
     * @since  Method available since Release 1.1.0
     */
    public function getTraits()
    {
        if ($this->traits !== NULL) {
            return $this->traits;
        }

        $this->parse();

        return $this->traits;
    }

    /**
     * Gets the names of all files that have been included
     * using include(), include_once(), require() or require_once().
     *
     * Parameter $categorize set to TRUE causing this function to return a
     * multi-dimensional array with categories in the keys of the first dimension
     * and constants and their values in the second dimension.
     *
     * Parameter $category allow to filter following specific inclusion type
     *
     * @param bool   $categorize OPTIONAL
     * @param string $category   OPTIONAL Either 'require_once', 'require',
     *                                           'include_once', 'include'.
     * @return array
     * @since  Method available since Release 1.1.0
     */
    public function getIncludes($categorize = FALSE, $category = NULL)
    {
        if ($this->includes === NULL) {
            $this->includes = array(
              'require_once' => array(),
              'require'      => array(),
              'include_once' => array(),
              'include'      => array()
            );

            foreach ($this->tokens as $token) {
                switch (get_class($token)) {
                    case 'PHP_Token_REQUIRE_ONCE':
                    case 'PHP_Token_REQUIRE':
                    case 'PHP_Token_INCLUDE_ONCE':
                    case 'PHP_Token_INCLUDE': {
                        $this->includes[$token->getType()][] = $token->getName();
                    }
                    break;
                }
            }
        }

        if (isset($this->includes[$category])) {
            $includes = $this->includes[$category];
        }

        else if ($categorize === FALSE) {
            $includes = array_merge(
              $this->includes['require_once'],
              $this->includes['require'],
              $this->includes['include_once'],
              $this->includes['include']
            );
        } else {
            $includes = $this->includes;
        }

        return $includes;
    }

    /**
     * Returns the name of the function or method a line belongs to.
     *
     * @return string or null if the line is not in a function or method
     * @since  Method available since Release 1.2.0
     */
    public function getFunctionForLine($line)
    {
        $this->parse();

        if (isset($this->lineToFunctionMap[$line])) {
            return $this->lineToFunctionMap[$line];
        }
    }

    protected function parse()
    {
        $this->interfaces = array();
        $this->classes    = array();
        $this->traits     = array();
        $this->functions  = array();
        $class            = FALSE;
        $classEndLine     = FALSE;
        $trait            = FALSE;
        $traitEndLine     = FALSE;
        $interface        = FALSE;
        $interfaceEndLine = FALSE;

        foreach ($this->tokens as $token) {
            switch (get_class($token)) {
                case 'PHP_Token_HALT_COMPILER': {
                    return;
                }
                break;

                case 'PHP_Token_INTERFACE': {
                    $interface        = $token->getName();
                    $interfaceEndLine = $token->getEndLine();

                    $this->interfaces[$interface] = array(
                      'methods'   => array(),
                      'parent'    => $token->getParent(),
                      'keywords'  => $token->getKeywords(),
                      'docblock'  => $token->getDocblock(),
                      'startLine' => $token->getLine(),
                      'endLine'   => $interfaceEndLine,
                      'package'   => $token->getPackage(),
                      'file'      => $this->filename
                    );
                }
                break;

                case 'PHP_Token_CLASS':
                case 'PHP_Token_TRAIT': {
                    $tmp = array(
                      'methods'   => array(),
                      'parent'    => $token->getParent(),
                      'interfaces'=> $token->getInterfaces(),
                      'keywords'  => $token->getKeywords(),
                      'docblock'  => $token->getDocblock(),
                      'startLine' => $token->getLine(),
                      'endLine'   => $token->getEndLine(),
                      'package'   => $token->getPackage(),
                      'file'      => $this->filename
                    );

                    if ($token instanceof PHP_Token_CLASS) {
                        $class                 = $token->getName();
                        $classEndLine          = $token->getEndLine();
                        $this->classes[$class] = $tmp;
                    } else {
                        $trait                = $token->getName();
                        $traitEndLine         = $token->getEndLine();
                        $this->traits[$trait] = $tmp;
                    }
                }
                break;

                case 'PHP_Token_FUNCTION': {
                    $name = $token->getName();
                    $tmp  = array(
                      'docblock'  => $token->getDocblock(),
                      'keywords'  => $token->getKeywords(),
                      'visibility'=> $token->getVisibility(),
                      'signature' => $token->getSignature(),
                      'startLine' => $token->getLine(),
                      'endLine'   => $token->getEndLine(),
                      'ccn'       => $token->getCCN(),
                      'file'      => $this->filename
                    );

                    if ($class === FALSE &&
                        $trait === FALSE &&
                        $interface === FALSE) {
                        $this->functions[$name] = $tmp;

                        $this->addFunctionToMap(
                          $name, $tmp['startLine'], $tmp['endLine']
                        );
                    }

                    else if ($class !== FALSE) {
                        $this->classes[$class]['methods'][$name] = $tmp;

                        $this->addFunctionToMap(
                          $class . '::' . $name,
                          $tmp['startLine'],
                          $tmp['endLine']
                        );
                    }

                    else if ($trait !== FALSE) {
                        $this->traits[$trait]['methods'][$name] = $tmp;

                        $this->addFunctionToMap(
                          $trait . '::' . $name,
                          $tmp['startLine'],
                          $tmp['endLine']
                        );
                    }

                    else {
                        $this->interfaces[$interface]['methods'][$name] = $tmp;
                    }
                }
                break;

                case 'PHP_Token_CLOSE_CURLY': {
                    if ($classEndLine !== FALSE &&
                        $classEndLine == $token->getLine()) {
                        $class        = FALSE;
                        $classEndLine = FALSE;
                    }

                    else if ($traitEndLine !== FALSE &&
                        $traitEndLine == $token->getLine()) {
                        $trait        = FALSE;
                        $traitEndLine = FALSE;
                    }

                    else if ($interfaceEndLine !== FALSE &&
                        $interfaceEndLine == $token->getLine()) {
                        $interface        = FALSE;
                        $interfaceEndLine = FALSE;
                    }
                }
                break;
            }
        }
    }

    /**
     * @return array
     */
    public function getLinesOfCode()
    {
        return $this->linesOfCode;
    }

    /**
     */
    public function rewind()
    {
        $this->position = 0;
    }

    /**
     * @return boolean
     */
    public function valid()
    {
        return isset($this->tokens[$this->position]);
    }

    /**
     * @return integer
     */
    public function key()
    {
        return $this->position;
    }

    /**
     * @return PHP_Token
     */
    public function current()
    {
        return $this->tokens[$this->position];
    }

    /**
     */
    public function next()
    {
        $this->position++;
    }

    /**
     * @param mixed $offset
     */
    public function offsetExists($offset)
    {
        return isset($this->tokens[$offset]);
    }

    /**
     * @param  mixed $offset
     * @return mixed
     */
    public function offsetGet($offset)
    {
        return $this->tokens[$offset];
    }

    /**
     * @param mixed $offset
     * @param mixed $value
     */
    public function offsetSet($offset, $value)
    {
        $this->tokens[$offset] = $value;
    }

    /**
     * @param mixed $offset
     */
    public function offsetUnset($offset)
    {
        unset($this->tokens[$offset]);
    }

    /**
     * Seek to an absolute position.
     *
     * @param  integer $position
     * @throws OutOfBoundsException
     */
    public function seek($position)
    {
        $this->position = $position;

        if (!$this->valid()) {
            throw new OutOfBoundsException('Invalid seek position');
        }
    }

    private function addFunctionToMap($name, $startLine, $endLine)
    {
        for ($line = $startLine; $line <= $endLine; $line++) {
            $this->lineToFunctionMap[$line] = $name;
        }
    }
}
<?php
/**
 * php-token-stream
 *
 * Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   PHP_TokenStream
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

/**
 * A PHP token.
 *
 * @author    Sebastian Bergmann <sebastian@phpunit.de>
 * @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: @package_version@
 * @link      http://github.com/sebastianbergmann/php-token-stream/tree
 * @since     Class available since Release 1.0.0
 */
abstract class PHP_Token
{
    /**
     * @var string
     */
    protected $text;

    /**
     * @var integer
     */
    protected $line;

    /**
     * @var PHP_Token_Stream
     */
    protected $tokenStream;

    /**
     * @var integer
     */
    protected $id;

    /**
     * Constructor.
     *
     * @param string           $text
     * @param integer          $line
     * @param PHP_Token_Stream $tokenStream
     * @param integer          $id
     */
    public function __construct($text, $line, PHP_Token_Stream $tokenStream, $id)
    {
        $this->text        = $text;
        $this->line        = $line;
        $this->tokenStream = $tokenStream;
        $this->id          = $id;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->text;
    }

    /**
     * @return integer
     */
    public function getLine()
    {
        return $this->line;
    }
}

abstract class PHP_TokenWithScope extends PHP_Token
{
    protected $endTokenId;

    /**
     * Get the docblock for this token
     *
     * This method will fetch the docblock belonging to the current token. The
     * docblock must be placed on the line directly above the token to be
     * recognized.
     *
     * @return string|null Returns the docblock as a string if found
     */
    public function getDocblock()
    {
        $tokens            = $this->tokenStream->tokens();
        $currentLineNumber = $tokens[$this->id]->getLine();
        $prevLineNumber    = $currentLineNumber - 1;

        for ($i = $this->id - 1; $i; $i--) {
            if (!isset($tokens[$i])) {
                return;
            }

            if ($tokens[$i] instanceof PHP_Token_FUNCTION ||
                $tokens[$i] instanceof PHP_Token_CLASS ||
                $tokens[$i] instanceof PHP_Token_TRAIT) {
                // Some other trait, class or function, no docblock can be
                // used for the current token
                break;
            }

            $line = $tokens[$i]->getLine();

            if ($line == $currentLineNumber ||
                ($line == $prevLineNumber &&
                 $tokens[$i] instanceof PHP_Token_WHITESPACE)) {
                continue;
            }

            if ($line < $currentLineNumber &&
                !$tokens[$i] instanceof PHP_Token_DOC_COMMENT) {
                break;
            }

            return (string)$tokens[$i];
        }
    }

    public function getEndTokenId()
    {
        $block  = 0;
        $i      = $this->id;
        $tokens = $this->tokenStream->tokens();

        while ($this->endTokenId === NULL && isset($tokens[$i])) {
            if ($tokens[$i] instanceof PHP_Token_OPEN_CURLY ||
                $tokens[$i] instanceof PHP_Token_CURLY_OPEN) {
                $block++;
            }

            else if ($tokens[$i] instanceof PHP_Token_CLOSE_CURLY) {
                $block--;

                if ($block === 0) {
                    $this->endTokenId = $i;
                }
            }

            else if (($this instanceof PHP_Token_FUNCTION ||
                $this instanceof PHP_Token_NAMESPACE) &&
                $tokens[$i] instanceof PHP_Token_SEMICOLON) {
                if ($block === 0) {
                    $this->endTokenId = $i;
                }
            }

            $i++;
        }

        if ($this->endTokenId === NULL) {
            $this->endTokenId = $this->id;
        }

        return $this->endTokenId;
    }

    public function getEndLine()
    {
        return $this->tokenStream[$this->getEndTokenId()]->getLine();
    }

}

abstract class PHP_TokenWithScopeAndVisibility extends PHP_TokenWithScope {

    public function getVisibility()
    {
        $tokens = $this->tokenStream->tokens();

        for ($i = $this->id - 2; $i > $this->id - 7; $i -= 2) {
            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_PRIVATE ||
                $tokens[$i] instanceof PHP_Token_PROTECTED ||
                $tokens[$i] instanceof PHP_Token_PUBLIC)) {
                return strtolower(
                  str_replace('PHP_Token_', '', get_class($tokens[$i]))
                );
            }
            if (isset($tokens[$i]) &&
              !($tokens[$i] instanceof PHP_Token_STATIC ||
                $tokens[$i] instanceof PHP_Token_FINAL ||
                $tokens[$i] instanceof PHP_Token_ABSTRACT)) {
                // no keywords; stop visibility search
                break;
            }
        }
    }

    public function getKeywords()
    {
        $keywords = array();
        $tokens = $this->tokenStream->tokens();

        for ($i = $this->id - 2; $i > $this->id - 7; $i -= 2) {
            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_PRIVATE ||
                $tokens[$i] instanceof PHP_Token_PROTECTED ||
                $tokens[$i] instanceof PHP_Token_PUBLIC)) {
                continue;
            }

            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_STATIC ||
                $tokens[$i] instanceof PHP_Token_FINAL ||
                $tokens[$i] instanceof PHP_Token_ABSTRACT)) {
                $keywords[] = strtolower(
                  str_replace('PHP_Token_', '', get_class($tokens[$i]))
                );
            }
        }

        return implode(',', $keywords);
    }

}

abstract class PHP_Token_Includes extends PHP_Token
{
    protected $name;
    protected $type;

    public function getName()
    {
        if ($this->name !== NULL) {
            return $this->name;
        }

        $tokens = $this->tokenStream->tokens();

        if ($tokens[$this->id+2] instanceof PHP_Token_CONSTANT_ENCAPSED_STRING) {
            $this->name = trim($tokens[$this->id+2], "'\"");
            $this->type = strtolower(
              str_replace('PHP_Token_', '', get_class($tokens[$this->id]))
            );
        }

        return $this->name;
    }

    public function getType()
    {
        $this->getName();
        return $this->type;
    }
}

class PHP_Token_REQUIRE_ONCE extends PHP_Token_Includes {}
class PHP_Token_REQUIRE extends PHP_Token_Includes {}
class PHP_Token_EVAL extends PHP_Token {}
class PHP_Token_INCLUDE_ONCE extends PHP_Token_Includes {}
class PHP_Token_INCLUDE extends PHP_Token_Includes {}
class PHP_Token_LOGICAL_OR extends PHP_Token {}
class PHP_Token_LOGICAL_XOR extends PHP_Token {}
class PHP_Token_LOGICAL_AND extends PHP_Token {}
class PHP_Token_PRINT extends PHP_Token {}
class PHP_Token_SR_EQUAL extends PHP_Token {}
class PHP_Token_SL_EQUAL extends PHP_Token {}
class PHP_Token_XOR_EQUAL extends PHP_Token {}
class PHP_Token_OR_EQUAL extends PHP_Token {}
class PHP_Token_AND_EQUAL extends PHP_Token {}
class PHP_Token_MOD_EQUAL extends PHP_Token {}
class PHP_Token_CONCAT_EQUAL extends PHP_Token {}
class PHP_Token_DIV_EQUAL extends PHP_Token {}
class PHP_Token_MUL_EQUAL extends PHP_Token {}
class PHP_Token_MINUS_EQUAL extends PHP_Token {}
class PHP_Token_PLUS_EQUAL extends PHP_Token {}
class PHP_Token_BOOLEAN_OR extends PHP_Token {}
class PHP_Token_BOOLEAN_AND extends PHP_Token {}
class PHP_Token_IS_NOT_IDENTICAL extends PHP_Token {}
class PHP_Token_IS_IDENTICAL extends PHP_Token {}
class PHP_Token_IS_NOT_EQUAL extends PHP_Token {}
class PHP_Token_IS_EQUAL extends PHP_Token {}
class PHP_Token_IS_GREATER_OR_EQUAL extends PHP_Token {}
class PHP_Token_IS_SMALLER_OR_EQUAL extends PHP_Token {}
class PHP_Token_SR extends PHP_Token {}
class PHP_Token_SL extends PHP_Token {}
class PHP_Token_INSTANCEOF extends PHP_Token {}
class PHP_Token_UNSET_CAST extends PHP_Token {}
class PHP_Token_BOOL_CAST extends PHP_Token {}
class PHP_Token_OBJECT_CAST extends PHP_Token {}
class PHP_Token_ARRAY_CAST extends PHP_Token {}
class PHP_Token_STRING_CAST extends PHP_Token {}
class PHP_Token_DOUBLE_CAST extends PHP_Token {}
class PHP_Token_INT_CAST extends PHP_Token {}
class PHP_Token_DEC extends PHP_Token {}
class PHP_Token_INC extends PHP_Token {}
class PHP_Token_CLONE extends PHP_Token {}
class PHP_Token_NEW extends PHP_Token {}
class PHP_Token_EXIT extends PHP_Token {}
class PHP_Token_IF extends PHP_Token {}
class PHP_Token_ELSEIF extends PHP_Token {}
class PHP_Token_ELSE extends PHP_Token {}
class PHP_Token_ENDIF extends PHP_Token {}
class PHP_Token_LNUMBER extends PHP_Token {}
class PHP_Token_DNUMBER extends PHP_Token {}
class PHP_Token_STRING extends PHP_Token {}
class PHP_Token_STRING_VARNAME extends PHP_Token {}
class PHP_Token_VARIABLE extends PHP_Token {}
class PHP_Token_NUM_STRING extends PHP_Token {}
class PHP_Token_INLINE_HTML extends PHP_Token {}
class PHP_Token_CHARACTER extends PHP_Token {}
class PHP_Token_BAD_CHARACTER extends PHP_Token {}
class PHP_Token_ENCAPSED_AND_WHITESPACE extends PHP_Token {}
class PHP_Token_CONSTANT_ENCAPSED_STRING extends PHP_Token {}
class PHP_Token_ECHO extends PHP_Token {}
class PHP_Token_DO extends PHP_Token {}
class PHP_Token_WHILE extends PHP_Token {}
class PHP_Token_ENDWHILE extends PHP_Token {}
class PHP_Token_FOR extends PHP_Token {}
class PHP_Token_ENDFOR extends PHP_Token {}
class PHP_Token_FOREACH extends PHP_Token {}
class PHP_Token_ENDFOREACH extends PHP_Token {}
class PHP_Token_DECLARE extends PHP_Token {}
class PHP_Token_ENDDECLARE extends PHP_Token {}
class PHP_Token_AS extends PHP_Token {}
class PHP_Token_SWITCH extends PHP_Token {}
class PHP_Token_ENDSWITCH extends PHP_Token {}
class PHP_Token_CASE extends PHP_Token {}
class PHP_Token_DEFAULT extends PHP_Token {}
class PHP_Token_BREAK extends PHP_Token {}
class PHP_Token_CONTINUE extends PHP_Token {}
class PHP_Token_GOTO extends PHP_Token {}
class PHP_Token_CALLABLE extends PHP_Token {}
class PHP_Token_INSTEADOF extends PHP_Token {}

class PHP_Token_FUNCTION extends PHP_TokenWithScopeAndVisibility
{
    protected $arguments;
    protected $ccn;
    protected $name;
    protected $signature;

    public function getArguments()
    {
        if ($this->arguments !== NULL) {
            return $this->arguments;
        }

        $this->arguments = array();
        $tokens          = $this->tokenStream->tokens();
        $typeHint        = NULL;

        // Search for first token inside brackets
        $i = $this->id + 2;
        while (!$tokens[$i-1] instanceof PHP_Token_OPEN_BRACKET) {
            $i++;
        }

        while (!$tokens[$i] instanceof PHP_Token_CLOSE_BRACKET) {
            if ($tokens[$i] instanceof PHP_Token_STRING) {
                $typeHint = (string)$tokens[$i];
            }

            else if ($tokens[$i] instanceof PHP_Token_VARIABLE) {
                $this->arguments[(string)$tokens[$i]] = $typeHint;
                $typeHint                             = NULL;
            }

            $i++;
        }

        return $this->arguments;
    }

    public function getName()
    {
        if ($this->name !== NULL) {
            return $this->name;
        }

        $tokens = $this->tokenStream->tokens();

        for ($i = $this->id + 1; $i < count($tokens); $i++) {
            if ($tokens[$i] instanceof PHP_Token_STRING) {
                $this->name = (string)$tokens[$i];
                break;
            }

            else if ($tokens[$i] instanceof PHP_Token_AMPERSAND &&
                     $tokens[$i+1] instanceof PHP_Token_STRING) {
                $this->name = (string)$tokens[$i+1];
                break;
            }

            else if ($tokens[$i] instanceof PHP_Token_OPEN_BRACKET) {
                $this->name = 'anonymous function';
                break;
            }
        }

        if ($this->name != 'anonymous function') {
            for ($i = $this->id; $i; --$i) {
                if ($tokens[$i] instanceof PHP_Token_NAMESPACE) {
                    $this->name = $tokens[$i]->getName() . '\\' . $this->name;
                    break;
                }

                if ($tokens[$i] instanceof PHP_Token_INTERFACE) {
                    break;
                }
            }
        }

        return $this->name;
    }

    public function getCCN()
    {
        if ($this->ccn !== NULL) {
            return $this->ccn;
        }

        $this->ccn = 1;
        $end       = $this->getEndTokenId();
        $tokens    = $this->tokenStream->tokens();

        for ($i = $this->id; $i <= $end; $i++) {
            switch (get_class($tokens[$i])) {
                case 'PHP_Token_IF':
                case 'PHP_Token_ELSEIF':
                case 'PHP_Token_FOR':
                case 'PHP_Token_FOREACH':
                case 'PHP_Token_WHILE':
                case 'PHP_Token_CASE':
                case 'PHP_Token_CATCH':
                case 'PHP_Token_BOOLEAN_AND':
                case 'PHP_Token_LOGICAL_AND':
                case 'PHP_Token_BOOLEAN_OR':
                case 'PHP_Token_LOGICAL_OR':
                case 'PHP_Token_QUESTION_MARK': {
                    $this->ccn++;
                }
                break;
            }
        }

        return $this->ccn;
    }

    public function getSignature()
    {
        if ($this->signature !== NULL) {
            return $this->signature;
        }

        if ($this->getName() == 'anonymous function') {
            $this->signature = 'anonymous function';
            $i               = $this->id + 1;
        } else {
            $this->signature = '';
            $i               = $this->id + 2;
        }

        $tokens = $this->tokenStream->tokens();

        while (isset($tokens[$i]) &&
               !$tokens[$i] instanceof PHP_Token_OPEN_CURLY &&
               !$tokens[$i] instanceof PHP_Token_SEMICOLON) {
            $this->signature .= $tokens[$i++];
        }

        $this->signature = trim($this->signature);

        return $this->signature;
    }
}

class PHP_Token_CONST extends PHP_Token {}
class PHP_Token_RETURN extends PHP_Token {}
class PHP_Token_YIELD extends PHP_Token {}
class PHP_Token_TRY extends PHP_Token {}
class PHP_Token_CATCH extends PHP_Token {}
class PHP_Token_FINALLY extends PHP_Token {}
class PHP_Token_THROW extends PHP_Token {}
class PHP_Token_USE extends PHP_Token {}
class PHP_Token_GLOBAL extends PHP_Token {}
class PHP_Token_PUBLIC extends PHP_Token {}
class PHP_Token_PROTECTED extends PHP_Token {}
class PHP_Token_PRIVATE extends PHP_Token {}
class PHP_Token_FINAL extends PHP_Token {}
class PHP_Token_ABSTRACT extends PHP_Token {}
class PHP_Token_STATIC extends PHP_Token {}
class PHP_Token_VAR extends PHP_Token {}
class PHP_Token_UNSET extends PHP_Token {}
class PHP_Token_ISSET extends PHP_Token {}
class PHP_Token_EMPTY extends PHP_Token {}
class PHP_Token_HALT_COMPILER extends PHP_Token {}

class PHP_Token_INTERFACE extends PHP_TokenWithScopeAndVisibility
{
    protected $interfaces;

    public function getName()
    {
        return (string)$this->tokenStream[$this->id + 2];
    }

    public function hasParent()
    {
        return $this->tokenStream[$this->id + 4] instanceof PHP_Token_EXTENDS;
    }

    public function getPackage()
    {
        $className  = $this->getName();
        $docComment = $this->getDocblock();

        $result = array(
          'namespace'   => '',
          'fullPackage' => '',
          'category'    => '',
          'package'     => '',
          'subpackage'  => ''
        );

        for ($i = $this->id; $i; --$i) {
            if ($this->tokenStream[$i] instanceof PHP_Token_NAMESPACE) {
                $result['namespace'] = $this->tokenStream[$i]->getName();
                break;
            }
        }

        if (preg_match('/@category[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['category'] = $matches[1];
        }

        if (preg_match('/@package[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['package']     = $matches[1];
            $result['fullPackage'] = $matches[1];
        }

        if (preg_match('/@subpackage[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['subpackage']   = $matches[1];
            $result['fullPackage'] .= '.' . $matches[1];
        }

        if (empty($result['fullPackage'])) {
            $result['fullPackage'] = $this->arrayToName(
              explode('_', str_replace('\\', '_', $className)), '.'
            );
        }

        return $result;
    }

    protected function arrayToName(array $parts, $join = '\\')
    {
        $result = '';

        if (count($parts) > 1) {
            array_pop($parts);

            $result = join($join, $parts);
        }

        return $result;
    }

    public function getParent()
    {
        if (!$this->hasParent()) {
            return FALSE;
        }

        $i         = $this->id + 6;
        $tokens    = $this->tokenStream->tokens();
        $className = (string)$tokens[$i];

        while (isset($tokens[$i+1]) &&
               !$tokens[$i+1] instanceof PHP_Token_WHITESPACE) {
            $className .= (string)$tokens[++$i];
        }

        return $className;
    }

    public function hasInterfaces()
    {
        return (isset($this->tokenStream[$this->id + 4]) &&
                $this->tokenStream[$this->id + 4] instanceof PHP_Token_IMPLEMENTS) ||
               (isset($this->tokenStream[$this->id + 8]) &&
                $this->tokenStream[$this->id + 8] instanceof PHP_Token_IMPLEMENTS);
    }

    public function getInterfaces()
    {
        if ($this->interfaces !== NULL) {
            return $this->interfaces;
        }

        if (!$this->hasInterfaces()) {
            return ($this->interfaces = FALSE);
        }

        if ($this->tokenStream[$this->id + 4] instanceof PHP_Token_IMPLEMENTS) {
            $i = $this->id + 3;
        } else {
            $i = $this->id + 7;
        }

        $tokens = $this->tokenStream->tokens();

        while (!$tokens[$i+1] instanceof PHP_Token_OPEN_CURLY) {
            $i++;

            if ($tokens[$i] instanceof PHP_Token_STRING) {
                $this->interfaces[] = (string)$tokens[$i];
            }
        }

        return $this->interfaces;
    }
}

class PHP_Token_CLASS extends PHP_Token_INTERFACE {}
class PHP_Token_CLASS_NAME_CONSTANT extends PHP_Token {}
class PHP_Token_TRAIT extends PHP_Token_INTERFACE {}
class PHP_Token_EXTENDS extends PHP_Token {}
class PHP_Token_IMPLEMENTS extends PHP_Token {}
class PHP_Token_OBJECT_OPERATOR extends PHP_Token {}
class PHP_Token_DOUBLE_ARROW extends PHP_Token {}
class PHP_Token_LIST extends PHP_Token {}
class PHP_Token_ARRAY extends PHP_Token {}
class PHP_Token_CLASS_C extends PHP_Token {}
class PHP_Token_TRAIT_C extends PHP_Token {}
class PHP_Token_METHOD_C extends PHP_Token {}
class PHP_Token_FUNC_C extends PHP_Token {}
class PHP_Token_LINE extends PHP_Token {}
class PHP_Token_FILE extends PHP_Token {}
class PHP_Token_COMMENT extends PHP_Token {}
class PHP_Token_DOC_COMMENT extends PHP_Token {}
class PHP_Token_OPEN_TAG extends PHP_Token {}
class PHP_Token_OPEN_TAG_WITH_ECHO extends PHP_Token {}
class PHP_Token_CLOSE_TAG extends PHP_Token {}
class PHP_Token_WHITESPACE extends PHP_Token {}
class PHP_Token_START_HEREDOC extends PHP_Token {}
class PHP_Token_END_HEREDOC extends PHP_Token {}
class PHP_Token_DOLLAR_OPEN_CURLY_BRACES extends PHP_Token {}
class PHP_Token_CURLY_OPEN extends PHP_Token {}
class PHP_Token_PAAMAYIM_NEKUDOTAYIM extends PHP_Token {}

class PHP_Token_NAMESPACE extends PHP_TokenWithScope
{
    public function getName()
    {
        $tokens    = $this->tokenStream->tokens();
        $namespace = (string)$tokens[$this->id+2];

        for ($i = $this->id + 3; ; $i += 2) {
            if (isset($tokens[$i]) &&
                $tokens[$i] instanceof PHP_Token_NS_SEPARATOR) {
                $namespace .= '\\' . $tokens[$i+1];
            } else {
                break;
            }
        }

        return $namespace;
    }
}

class PHP_Token_NS_C extends PHP_Token {}
class PHP_Token_DIR extends PHP_Token {}
class PHP_Token_NS_SEPARATOR extends PHP_Token {}
class PHP_Token_DOUBLE_COLON extends PHP_Token {}
class PHP_Token_OPEN_BRACKET extends PHP_Token {}
class PHP_Token_CLOSE_BRACKET extends PHP_Token {}
class PHP_Token_OPEN_SQUARE extends PHP_Token {}
class PHP_Token_CLOSE_SQUARE extends PHP_Token {}
class PHP_Token_OPEN_CURLY extends PHP_Token {}
class PHP_Token_CLOSE_CURLY extends PHP_Token {}
class PHP_Token_SEMICOLON extends PHP_Token {}
class PHP_Token_DOT extends PHP_Token {}
class PHP_Token_COMMA extends PHP_Token {}
class PHP_Token_EQUAL extends PHP_Token {}
class PHP_Token_LT extends PHP_Token {}
class PHP_Token_GT extends PHP_Token {}
class PHP_Token_PLUS extends PHP_Token {}
class PHP_Token_MINUS extends PHP_Token {}
class PHP_Token_MULT extends PHP_Token {}
class PHP_Token_DIV extends PHP_Token {}
class PHP_Token_QUESTION_MARK extends PHP_Token {}
class PHP_Token_EXCLAMATION_MARK extends PHP_Token {}
class PHP_Token_COLON extends PHP_Token {}
class PHP_Token_DOUBLE_QUOTES extends PHP_Token {}
class PHP_Token_AT extends PHP_Token {}
class PHP_Token_AMPERSAND extends PHP_Token {}
class PHP_Token_PERCENT extends PHP_Token {}
class PHP_Token_PIPE extends PHP_Token {}
class PHP_Token_DOLLAR extends PHP_Token {}
class PHP_Token_CARET extends PHP_Token {}
class PHP_Token_TILDE extends PHP_Token {}
class PHP_Token_BACKTICK extends PHP_Token {}
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