--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,85 @@
+<?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\Bundle\TwigBundle\Loader;
+
+use Symfony\Component\Templating\TemplateNameParserInterface;
+use Symfony\Component\Config\FileLocatorInterface;
+
+/**
+ * FilesystemLoader extends the default Twig filesystem loader
+ * to work with the Symfony2 paths.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FilesystemLoader extends \Twig_Loader_Filesystem
+{
+    protected $locator;
+    protected $parser;
+
+    /**
+     * Constructor.
+     *
+     * @param FileLocatorInterface        $locator A FileLocatorInterface instance
+     * @param TemplateNameParserInterface $parser  A TemplateNameParserInterface instance
+     */
+    public function __construct(FileLocatorInterface $locator, TemplateNameParserInterface $parser)
+    {
+        $this->locator = $locator;
+        $this->parser = $parser;
+        $this->cache = array();
+    }
+
+    /**
+     * Returns the path to the template file.
+     *
+     * The file locator is used to locate the template when the naming convention
+     * is the symfony one (i.e. the name can be parsed).
+     * Otherwise the template is located using the locator from the twig library.
+     *
+     * @param string|TemplateReferenceInterface $template The template
+     *
+     * @return string The path to the template file
+     *
+     * @throws \Twig_Error_Loader if the template could not be found
+     */
+    protected function findTemplate($template)
+    {
+        $logicalName = (string) $template;
+
+        if (isset($this->cache[$logicalName])) {
+            return $this->cache[$logicalName];
+        }
+
+        $file = null;
+        $previous = null;
+        try {
+            $template = $this->parser->parse($template);
+            try {
+                $file = $this->locator->locate($template);
+            } catch (\InvalidArgumentException $e) {
+                $previous = $e;
+            }
+        } catch (\Exception $e) {
+            try {
+                $file = parent::findTemplate($template);
+            } catch (\Twig_Error_Loader $e) {
+                $previous = $e;
+            }
+        }
+
+        if (false === $file || null === $file) {
+            throw new \Twig_Error_Loader(sprintf('Unable to find template "%s".', $logicalName), -1, null, $previous);
+        }
+
+        return $this->cache[$logicalName] = $file;
+    }
+}