diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Templating/Loader/ChainLoader.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Templating/Loader/ChainLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,83 @@
+<?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\Templating\Loader;
+
+use Symfony\Component\Templating\Storage;
+use Symfony\Component\Templating\TemplateReferenceInterface;
+
+/**
+ * ChainLoader is a loader that calls other loaders to load templates.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ChainLoader extends Loader
+{
+    protected $loaders;
+
+    /**
+     * Constructor.
+     *
+     * @param Loader[] $loaders An array of loader instances
+     */
+    public function __construct(array $loaders = array())
+    {
+        $this->loaders = array();
+        foreach ($loaders as $loader) {
+            $this->addLoader($loader);
+        }
+    }
+
+    /**
+     * Adds a loader instance.
+     *
+     * @param Loader $loader A Loader instance
+     */
+    public function addLoader(Loader $loader)
+    {
+        $this->loaders[] = $loader;
+    }
+
+    /**
+     * Loads a template.
+     *
+     * @param TemplateReferenceInterface $template A template
+     *
+     * @return Storage|Boolean false if the template cannot be loaded, a Storage instance otherwise
+     */
+    public function load(TemplateReferenceInterface $template)
+    {
+        foreach ($this->loaders as $loader) {
+            if (false !== $storage = $loader->load($template)) {
+                return $storage;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns true if the template is still fresh.
+     *
+     * @param TemplateReferenceInterface $template A template
+     * @param integer                    $time     The last modification time of the cached template (timestamp)
+     *
+     * @return Boolean
+     */
+    public function isFresh(TemplateReferenceInterface $template, $time)
+    {
+        foreach ($this->loaders as $loader) {
+            return $loader->isFresh($template);
+        }
+
+        return false;
+    }
+}