Version 1

[yaffs-website] / vendor / symfony / finder / Iterator / ExcludeDirectoryFilterIterator.php

diff --git a/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php b/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php
new file mode 100644 (file)
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+++ b/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php
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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\Iterator;
+
+/**
+ * ExcludeDirectoryFilterIterator filters out directories.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
+{
+    private $iterator;
+    private $isRecursive;
+    private $excludedDirs = array();
+    private $excludedPattern;
+
+    /**
+     * Constructor.
+     *
+     * @param \Iterator $iterator    The Iterator to filter
+     * @param array     $directories An array of directories to exclude
+     */
+    public function __construct(\Iterator $iterator, array $directories)
+    {
+        $this->iterator = $iterator;
+        $this->isRecursive = $iterator instanceof \RecursiveIterator;
+        $patterns = array();
+        foreach ($directories as $directory) {
+            $directory = rtrim($directory, '/');
+            if (!$this->isRecursive || false !== strpos($directory, '/')) {
+                $patterns[] = preg_quote($directory, '#');
+            } else {
+                $this->excludedDirs[$directory] = true;
+            }
+        }
+        if ($patterns) {
+            $this->excludedPattern = '#(?:^|/)(?:'.implode('|', $patterns).')(?:/|$)#';
+        }
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool True if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        if ($this->isRecursive && isset($this->excludedDirs[$this->getFilename()]) && $this->isDir()) {
+            return false;
+        }
+
+        if ($this->excludedPattern) {
+            $path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
+            $path = str_replace('\\', '/', $path);
+
+            return !preg_match($this->excludedPattern, $path);
+        }
+
+        return true;
+    }
+
+    public function hasChildren()
+    {
+        return $this->isRecursive && $this->iterator->hasChildren();
+    }
+
+    public function getChildren()
+    {
+        $children = new self($this->iterator->getChildren(), array());
+        $children->excludedDirs = $this->excludedDirs;
+        $children->excludedPattern = $this->excludedPattern;
+
+        return $children;
+    }
+}