--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Templating/Asset/Package.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,71 @@
+<?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\Asset;
+
+/**
+ * The basic package will add a version to asset URLs.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class Package implements PackageInterface
+{
+    private $version;
+    private $format;
+
+    /**
+     * Constructor.
+     *
+     * @param string $version The package version
+     * @param string $format  The format used to apply the version
+     */
+    public function __construct($version = null, $format = null)
+    {
+        $this->version = $version;
+        $this->format = $format ?: '%s?%s';
+    }
+
+    public function getVersion()
+    {
+        return $this->version;
+    }
+
+    public function getUrl($path)
+    {
+        if (false !== strpos($path, '://') || 0 === strpos($path, '//')) {
+            return $path;
+        }
+
+        return $this->applyVersion($path);
+    }
+
+    /**
+     * Applies version to the supplied path.
+     *
+     * @param string $path A path
+     *
+     * @return string The versionized path
+     */
+    protected function applyVersion($path)
+    {
+        if (null === $this->version) {
+            return $path;
+        }
+
+        $versionized = sprintf($this->format, ltrim($path, '/'), $this->version);
+
+        if ($path && '/' == $path[0]) {
+            $versionized = '/'.$versionized;
+        }
+
+        return $versionized;
+    }
+}