diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Templating/DelegatingEngine.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Templating/DelegatingEngine.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,95 @@
+<?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\FrameworkBundle\Templating;
+
+use Symfony\Component\Templating\DelegatingEngine as BaseDelegatingEngine;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * DelegatingEngine selects an engine for a given template.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DelegatingEngine extends BaseDelegatingEngine implements EngineInterface
+{
+    protected $container;
+
+    /**
+     * Constructor.
+     *
+     * @param ContainerInterface $container The DI container
+     * @param array              $engineIds An array of engine Ids
+     */
+    public function __construct(ContainerInterface $container, array $engineIds)
+    {
+        $this->container = $container;
+        $this->engines = $engineIds;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports($name)
+    {
+        foreach ($this->engines as $i => $engine) {
+            if (is_string($engine)) {
+                $engine = $this->engines[$i] = $this->container->get($engine);
+            }
+
+            if ($engine->supports($name)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getEngine($name)
+    {
+        foreach ($this->engines as $i => $engine) {
+            if (is_string($engine)) {
+                $engine = $this->engines[$i] = $this->container->get($engine);
+            }
+
+            if ($engine->supports($name)) {
+                return $engine;
+            }
+        }
+
+        throw new \RuntimeException(sprintf('No engine is able to work with the template "%s".', $name));
+    }
+
+    /**
+     * Renders a view and returns a Response.
+     *
+     * @param string   $view       The view name
+     * @param array    $parameters An array of parameters to pass to the view
+     * @param Response $response   A Response instance
+     *
+     * @return Response A Response instance
+     */
+    public function renderResponse($view, array $parameters = array(), Response $response = null)
+    {
+        if (null === $response) {
+            $response = new Response();
+        }
+
+        $response->setContent($this->render($view, $parameters));
+
+        return $response;
+    }
+}