--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,123 @@
+<?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\Routing\Loader;
+
+use Symfony\Component\Routing\RouteCollection;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Config\Loader\FileLoader;
+use Symfony\Component\Config\FileLocator;
+
+/**
+ * AnnotationFileLoader loads routing information from annotations set
+ * on a PHP class and its methods.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class AnnotationFileLoader extends FileLoader
+{
+    protected $loader;
+
+    /**
+     * Constructor.
+     *
+     * @param FileLocator           $locator A FileLocator instance
+     * @param AnnotationClassLoader $loader  An AnnotationClassLoader instance
+     * @param string|array          $paths   A path or an array of paths where to look for resources
+     */
+    public function __construct(FileLocator $locator, AnnotationClassLoader $loader, $paths = array())
+    {
+        if (!function_exists('token_get_all')) {
+            throw new \RuntimeException('The Tokenizer extension is required for the routing annotation loaders.');
+        }
+
+        parent::__construct($locator, $paths);
+
+        $this->loader = $loader;
+    }
+
+    /**
+     * Loads from annotations from a file.
+     *
+     * @param string $file A PHP file path
+     * @param string $type The resource type
+     *
+     * @return RouteCollection A RouteCollection instance
+     *
+     * @throws \InvalidArgumentException When the file does not exist or its routes cannot be parsed
+     */
+    public function load($file, $type = null)
+    {
+        $path = $this->locator->locate($file);
+
+        $collection = new RouteCollection();
+        if ($class = $this->findClass($path)) {
+            $collection->addResource(new FileResource($path));
+            $collection->addCollection($this->loader->load($class, $type));
+        }
+
+        return $collection;
+    }
+
+    /**
+     * Returns true if this class supports the given resource.
+     *
+     * @param mixed  $resource A resource
+     * @param string $type     The resource type
+     *
+     * @return Boolean True if this class supports the given resource, false otherwise
+     */
+    public function supports($resource, $type = null)
+    {
+        return is_string($resource) && 'php' === pathinfo($resource, PATHINFO_EXTENSION) && (!$type || 'annotation' === $type);
+    }
+
+    /**
+     * Returns the full class name for the first class in the file.
+     *
+     * @param string $file A PHP file path
+     *
+     * @return string|false Full class name if found, false otherwise
+     */
+    protected function findClass($file)
+    {
+        $class = false;
+        $namespace = false;
+        $tokens = token_get_all(file_get_contents($file));
+        while ($token = array_shift($tokens)) {
+            if (!is_array($token)) {
+                continue;
+            }
+
+            if (true === $class && T_STRING === $token[0]) {
+                return $namespace.'\\'.$token[1];
+            }
+
+            if (true === $namespace && T_STRING === $token[0]) {
+                $namespace = '';
+                do {
+                    $namespace .= $token[1];
+                    $token = array_shift($tokens);
+                } while ($tokens && is_array($token) && in_array($token[0], array(T_NS_SEPARATOR, T_STRING)));
+            }
+
+            if (T_CLASS === $token[0]) {
+                $class = true;
+            }
+
+            if (T_NAMESPACE === $token[0]) {
+                $namespace = true;
+            }
+        }
+
+        return false;
+    }
+}