--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Templating/Asset/UrlPackage.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,77 @@
+<?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 URL packages adds a version and a base URL to asset URLs.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class UrlPackage extends Package
+{
+    private $baseUrls;
+
+    /**
+     * Constructor.
+     *
+     * @param string|array $baseUrls Base asset URLs
+     * @param string       $version  The package version
+     * @param string       $format   The format used to apply the version
+     */
+    public function __construct($baseUrls = array(), $version = null, $format = null)
+    {
+        parent::__construct($version, $format);
+
+        if (!is_array($baseUrls)) {
+            $baseUrls = (array) $baseUrls;
+        }
+
+        $this->baseUrls = array();
+        foreach ($baseUrls as $baseUrl) {
+            $this->baseUrls[] = rtrim($baseUrl, '/');
+        }
+    }
+
+    public function getUrl($path)
+    {
+        if (false !== strpos($path, '://') || 0 === strpos($path, '//')) {
+            return $path;
+        }
+
+        $url = $this->applyVersion($path);
+
+        if ($url && '/' != $url[0]) {
+            $url = '/'.$url;
+        }
+
+        return $this->getBaseUrl($path).$url;
+    }
+
+    /**
+     * Returns the base URL for a path.
+     *
+     * @return string The base URL
+     */
+    public function getBaseUrl($path)
+    {
+        switch ($count = count($this->baseUrls)) {
+            case 0:
+                return '';
+
+            case 1:
+                return $this->baseUrls[0];
+
+            default:
+                return $this->baseUrls[fmod(hexdec(substr(md5($path), 0, 10)), $count)];
+        }
+    }
+}