--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/HttpFoundation/RequestMatcher.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,177 @@
+<?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\HttpFoundation;
+
+/**
+ * RequestMatcher compares a pre-defined set of checks against a Request instance.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class RequestMatcher implements RequestMatcherInterface
+{
+    private $path;
+    private $host;
+    private $methods;
+    private $ip;
+    private $attributes;
+
+    public function __construct($path = null, $host = null, $methods = null, $ip = null, array $attributes = array())
+    {
+        $this->path = $path;
+        $this->host = $host;
+        $this->methods = $methods;
+        $this->ip = $ip;
+        $this->attributes = $attributes;
+    }
+
+    /**
+     * Adds a check for the URL host name.
+     *
+     * @param string $regexp A Regexp
+     */
+    public function matchHost($regexp)
+    {
+        $this->host = $regexp;
+    }
+
+    /**
+     * Adds a check for the URL path info.
+     *
+     * @param string $regexp A Regexp
+     */
+    public function matchPath($regexp)
+    {
+        $this->path = $regexp;
+    }
+
+    /**
+     * Adds a check for the client IP.
+     *
+     * @param string $ip A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
+     */
+    public function matchIp($ip)
+    {
+        $this->ip = $ip;
+    }
+
+    /**
+     * Adds a check for the HTTP method.
+     *
+     * @param string|array $method An HTTP method or an array of HTTP methods
+     */
+    public function matchMethod($method)
+    {
+        $this->methods = array_map('strtoupper', is_array($method) ? $method : array($method));
+    }
+
+    /**
+     * Adds a check for request attribute.
+     *
+     * @param string $key    The request attribute name
+     * @param string $regexp A Regexp
+     */
+    public function matchAttribute($key, $regexp)
+    {
+        $this->attributes[$key] = $regexp;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function matches(Request $request)
+    {
+        if (null !== $this->methods && !in_array($request->getMethod(), $this->methods)) {
+            return false;
+        }
+
+        foreach ($this->attributes as $key => $pattern) {
+            if (!preg_match('#'.str_replace('#', '\\#', $pattern).'#', $request->attributes->get($key))) {
+                return false;
+            }
+        }
+
+        if (null !== $this->path) {
+            $path = str_replace('#', '\\#', $this->path);
+
+            if (!preg_match('#'.$path.'#', $request->getPathInfo())) {
+                return false;
+            }
+        }
+
+        if (null !== $this->host && !preg_match('#'.str_replace('#', '\\#', $this->host).'#', $request->getHost())) {
+            return false;
+        }
+
+        if (null !== $this->ip && !$this->checkIp($request->getClientIp(), $this->ip)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    protected function checkIp($requestIp, $ip)
+    {
+        // IPv6 address
+        if (false !== strpos($requestIp, ':')) {
+            return $this->checkIp6($requestIp, $ip);
+        } else {
+            return $this->checkIp4($requestIp, $ip);
+        }
+    }
+
+    protected function checkIp4($requestIp, $ip)
+    {
+        if (false !== strpos($ip, '/')) {
+            list($address, $netmask) = explode('/', $ip);
+
+            if ($netmask < 1 || $netmask > 32) {
+                return false;
+            }
+        } else {
+            $address = $ip;
+            $netmask = 32;
+        }
+
+        return 0 === substr_compare(sprintf('%032b', ip2long($requestIp)), sprintf('%032b', ip2long($address)), 0, $netmask);
+    }
+
+    /**
+     * @author David Soria Parra <dsp at php dot net>
+     * @see https://github.com/dsp/v6tools
+     */
+    protected function checkIp6($requestIp, $ip)
+    {
+        if (!defined('AF_INET6')) {
+            throw new \RuntimeException('Unable to check Ipv6. Check that PHP was not compiled with option "disable-ipv6".');
+        }
+
+        list($address, $netmask) = explode('/', $ip);
+
+        $bytes_addr = unpack("n*", inet_pton($address));
+        $bytes_test = unpack("n*", inet_pton($requestIp));
+
+        for ($i = 1, $ceil = ceil($netmask / 16); $i <= $ceil; $i++) {
+            $left = $netmask - 16 * ($i-1);
+            $left = ($left <= 16) ?: 16;
+            $mask = ~(0xffff >> $left) & 0xffff;
+            if (($bytes_addr[$i] & $mask) != ($bytes_test[$i] & $mask)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}