--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.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\TwigBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;
+use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * ExceptionController.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExceptionController extends ContainerAware
+{
+    /**
+     * Converts an Exception to a Response.
+     *
+     * @param FlattenException     $exception A FlattenException instance
+     * @param DebugLoggerInterface $logger    A DebugLoggerInterface instance
+     * @param string               $format    The format to use for rendering (html, xml, ...)
+     *
+     * @throws \InvalidArgumentException When the exception template does not exist
+     */
+    public function showAction(FlattenException $exception, DebugLoggerInterface $logger = null, $format = 'html')
+    {
+        $this->container->get('request')->setRequestFormat($format);
+
+        // the count variable avoids an infinite loop on
+        // some Windows configurations where ob_get_level()
+        // never reaches 0
+        $count = 100;
+        $currentContent = '';
+        while (ob_get_level() && --$count) {
+            $currentContent .= ob_get_clean();
+        }
+
+        $templating = $this->container->get('templating');
+        $code = $exception->getStatusCode();
+
+        $response = $templating->renderResponse(
+            $this->findTemplate($templating, $format, $code, $this->container->get('kernel')->isDebug()),
+            array(
+                'status_code'    => $code,
+                'status_text'    => Response::$statusTexts[$code],
+                'exception'      => $exception,
+                'logger'         => $logger,
+                'currentContent' => $currentContent,
+            )
+        );
+
+        $response->setStatusCode($code);
+        $response->headers->replace($exception->getHeaders());
+
+        return $response;
+    }
+
+    protected function findTemplate($templating, $format, $code, $debug)
+    {
+        $name = $debug ? 'exception' : 'error';
+        if ($debug && 'html' == $format) {
+            $name = 'exception_full';
+        }
+
+        // when not in debug, try to find a template for the specific HTTP status code and format
+        if (!$debug) {
+            $template = new TemplateReference('TwigBundle', 'Exception', $name.$code, $format, 'twig');
+            if ($templating->exists($template)) {
+                return $template;
+            }
+        }
+
+        // try to find a template for the given format
+        $template = new TemplateReference('TwigBundle', 'Exception', $name, $format, 'twig');
+        if ($templating->exists($template)) {
+            return $template;
+        }
+
+        // default to a generic HTML exception
+        $this->container->get('request')->setRequestFormat('html');
+
+        return new TemplateReference('TwigBundle', 'Exception', $name, 'html', 'twig');
+    }
+}