twig implementation

vendor/symfony/routing/Symfony/Component/Routing/Matcher/ApacheUrlMatcher.php

@@ -0,0 +1,94 @@
+<?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\Routing\Matcher;
+
+use Symfony\Component\Routing\Exception\MethodNotAllowedException;
+
+/**
+ * ApacheUrlMatcher matches URL based on Apache mod_rewrite matching (see ApacheMatcherDumper).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Arnaud Le Blanc <arnaud.lb@gmail.com>
+ */
+class ApacheUrlMatcher extends UrlMatcher
+{
+    /**
+     * Tries to match a URL based on Apache mod_rewrite matching.
+     *
+     * Returns false if no route matches the URL.
+     *
+     * @param string $pathinfo The pathinfo to be parsed
+     *
+     * @return array An array of parameters
+     *
+     * @throws MethodNotAllowedException If the current method is not allowed
+     */
+    public function match($pathinfo)
+    {
+        $parameters = array();
+        $defaults = array();
+        $allow = array();
+        $route = null;
+
+        foreach ($_SERVER as $key => $value) {
+            $name = $key;
+
+            // skip non-routing variables
+            // this improves performance when $_SERVER contains many usual
+            // variables like HTTP_*, DOCUMENT_ROOT, REQUEST_URI, ...
+            if (false === strpos($name, '_ROUTING_')) {
+                continue;
+            }
+
+            while (0 === strpos($name, 'REDIRECT_')) {
+                $name = substr($name, 9);
+            }
+
+            // expect _ROUTING_<type>_<name>
+            // or _ROUTING_<type>
+
+            if (0 !== strpos($name, '_ROUTING_')) {
+                continue;
+            }
+            if (false !== $pos = strpos($name, '_', 9)) {
+                $type = substr($name, 9, $pos-9);
+                $name = substr($name, $pos+1);
+            } else {
+                $type = substr($name, 9);
+            }
+
+            if ('param' === $type) {
+                if ('' !== $value) {
+                    $parameters[$name] = $value;
+                }
+            } elseif ('default' === $type) {
+                $defaults[$name] = $value;
+            } elseif ('route' === $type) {
+                $route = $value;
+            } elseif ('allow' === $type) {
+                $allow[] = $name;
+            }
+
+            unset($_SERVER[$key]);
+        }
+
+        if (null !== $route) {
+            $parameters['_route'] = $route;
+
+            return $this->mergeDefaults($parameters, $defaults);
+        } elseif (0 < count($allow)) {
+            throw new MethodNotAllowedException($allow);
+        } else {
+            return parent::match($pathinfo);
+        }
+    }
+}