134 lines
3.2 KiB
PHP
Executable file
134 lines
3.2 KiB
PHP
Executable file
<?php
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/*
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* This file is part of the symfony package.
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* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* sfYaml offers convenience methods to load and dump YAML.
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*
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* @package symfony
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* @subpackage yaml
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @version SVN: $Id: sfYaml.class.php 8988 2008-05-15 20:24:26Z fabien $
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*/
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class sfYaml
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{
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static protected
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$spec = '1.2';
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/**
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* Sets the YAML specification version to use.
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*
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* @param string $version The YAML specification version
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*/
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static public function setSpecVersion($version)
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{
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if (!in_array($version, array('1.1', '1.2')))
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{
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throw new InvalidArgumentException(sprintf('Version %s of the YAML specifications is not supported', $version));
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}
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self::$spec = $version;
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}
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/**
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* Gets the YAML specification version to use.
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*
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* @return string The YAML specification version
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*/
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static public function getSpecVersion()
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{
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return self::$spec;
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}
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/**
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* Loads YAML into a PHP array.
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*
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* The load method, when supplied with a YAML stream (string or file),
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* will do its best to convert YAML in a file into a PHP array.
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*
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* Usage:
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* <code>
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* $array = sfYaml::load('config.yml');
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* print_r($array);
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* </code>
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*
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* @param string $input Path of YAML file or string containing YAML
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*
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* @return array The YAML converted to a PHP array
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*
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* @throws InvalidArgumentException If the YAML is not valid
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*/
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public static function load($input)
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{
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$file = '';
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// if input is a file, process it
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if (strpos($input, "\n") === false && is_file($input))
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{
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$file = $input;
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ob_start();
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$retval = include($input);
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$content = ob_get_clean();
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// if an array is returned by the config file assume it's in plain php form else in YAML
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$input = is_array($retval) ? $retval : $content;
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}
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// if an array is returned by the config file assume it's in plain php form else in YAML
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if (is_array($input))
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{
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return $input;
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}
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$yaml = new sfYamlParser();
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try
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{
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$ret = $yaml->parse($input);
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}
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catch (Exception $e)
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{
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throw new InvalidArgumentException(sprintf('Unable to parse %s: %s', $file ? sprintf('file "%s"', $file) : 'string', $e->getMessage()));
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}
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return $ret;
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}
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/**
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* Dumps a PHP array to a YAML string.
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*
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* The dump method, when supplied with an array, will do its best
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* to convert the array into friendly YAML.
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*
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* @param array $array PHP array
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* @param integer $inline The level where you switch to inline YAML
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*
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* @return string A YAML string representing the original PHP array
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*/
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public static function dump($array, $inline = 2)
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{
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require_once dirname(__FILE__).'/sfYamlDumper.php';
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$yaml = new sfYamlDumper();
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return $yaml->dump($array, $inline);
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}
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}
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/**
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* Wraps echo to automatically provide a newline.
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*
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* @param string $string The string to echo with new line
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*/
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function echoln($string)
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{
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echo $string."\n";
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}
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