Adding a more standard PHP Lint plugin. Fixes #111

PHPCI/Plugin/Lint.php

@@ -0,0 +1,104 @@
+<?php
+/**
+ * PHPCI - Continuous Integration for PHP
+ *
+ * @copyright    Copyright 2013, Block 8 Limited.
+ * @license      https://github.com/Block8/PHPCI/blob/master/LICENSE.md
+ * @link         http://www.phptesting.org/
+ */
+
+namespace PHPCI\Plugin;
+
+use PHPCI\Builder;
+use PHPCI\Model\Build;
+/**
+ * PHP Lint Plugin - Provides access to PHP lint functionality.
+ * @author       Dan Cryer <dan@block8.co.uk>
+ * @package      PHPCI
+ * @subpackage   Plugins
+ */
+class Lint implements \PHPCI\Plugin
+{
+    protected $directories;
+    protected $recursive = true;
+    protected $ignore;
+    protected $phpci;
+
+    public function __construct(Builder $phpci, Build $build,  array $options = array())
+    {
+        $this->phpci        = $phpci;
+        $this->directories    = array('');
+        $this->ignore = $phpci->ignore;
+
+        if (!empty($options['directory'])) {
+            $this->directories[] = $options['directory'];
+        }
+
+        if (!empty($options['directories'])) {
+            $this->directories = $options['directories'];
+        }
+
+        if (array_key_exists('recursive', $options)) {
+            $this->recursive = $options['recursive'];
+        }
+    }
+
+    /**
+     * Executes parallel lint
+     */
+    public function execute()
+    {
+        $this->phpci->quiet = true;
+        $success = true;
+
+        $php = $this->phpci->findBinary('php');
+
+        foreach ($this->directories as $dir) {
+            if (!$this->lintDirectory($php, $dir)) {
+                $success = false;
+            }
+        }
+
+        $this->phpci->quiet = false;
+
+        return $success;
+    }
+
+    protected function lintDirectory($php, $path)
+    {
+        $success = true;
+        $directory = new \DirectoryIterator($this->phpci->buildPath . $path);
+
+        foreach ($directory as $item) {
+            if ($item->isDot()) {
+                continue;
+            }
+
+            $itemPath = $path . $item->getFilename();
+
+            if (in_array($itemPath, $this->ignore)) {
+                continue;
+            }
+
+            if ($item->isFile() && $item->getExtension() == 'php' && !$this->lintFile($php, $itemPath)) {
+                $success = false;
+            } else if ($item->isDir() && $this->recursive && !$this->lintDirectory($php, $itemPath . '/')) {
+                $success = false;
+            }
+        }
+
+        return $success;
+    }
+
+    protected function lintFile($php, $path)
+    {
+        $success = true;
+
+        if (!$this->phpci->executeCommand($php . ' -l "%s"', $this->phpci->buildPath . $path)) {
+            $this->phpci->logFailure($path);
+            $success = false;
+        }
+
+        return $success;
+    }
+}