diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Config/Resource/DirectoryResource.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Config/Resource/DirectoryResource.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,87 @@
+<?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\Config\Resource;
+
+/**
+ * DirectoryResource represents a resources stored in a subdirectory tree.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DirectoryResource implements ResourceInterface
+{
+    private $resource;
+    private $pattern;
+
+    /**
+     * Constructor.
+     *
+     * @param string $resource The file path to the resource
+     * @param string $pattern  A pattern to restrict monitored files
+     */
+    public function __construct($resource, $pattern = null)
+    {
+        $this->resource = $resource;
+        $this->pattern = $pattern;
+    }
+
+    /**
+     * Returns a string representation of the Resource.
+     *
+     * @return string A string representation of the Resource
+     */
+    public function __toString()
+    {
+        return (string) $this->resource;
+    }
+
+    /**
+     * Returns the resource tied to this Resource.
+     *
+     * @return mixed The resource
+     */
+    public function getResource()
+    {
+        return $this->resource;
+    }
+
+    /**
+     * Returns true if the resource has not been updated since the given timestamp.
+     *
+     * @param integer $timestamp The last time the resource was loaded
+     *
+     * @return Boolean true if the resource has not been updated, false otherwise
+     */
+    public function isFresh($timestamp)
+    {
+        if (!file_exists($this->resource)) {
+            return false;
+        }
+
+        $newestMTime = filemtime($this->resource);
+        foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST) as $file) {
+            // if regex filtering is enabled only check matching files
+            if ($this->pattern && $file->isFile() && !preg_match($this->pattern, $file->getBasename())) {
+                continue;
+            }
+
+            // always monitor directories for changes, except the .. entries
+            // (otherwise deleted files wouldn't get detected)
+            if ($file->isDir() && '/..' === substr($file, -3)) {
+                continue;
+            }
+
+            $newestMTime = max($file->getMTime(), $newestMTime);
+        }
+
+        return $newestMTime < $timestamp;
+    }
+}