From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Sat, 3 Aug 2013 19:26:54 +0200
Subject: twig implementation

---
 .../Routing/Matcher/TraceableUrlMatcher.php        | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 vendor/symfony/routing/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php

(limited to 'vendor/symfony/routing/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php')

diff --git a/vendor/symfony/routing/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php b/vendor/symfony/routing/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php
new file mode 100644
index 00000000..c09f83e8
--- /dev/null
+++ b/vendor/symfony/routing/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php
@@ -0,0 +1,121 @@
+<?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\ExceptionInterface;
+use Symfony\Component\Routing\Route;
+use Symfony\Component\Routing\RouteCollection;
+use Symfony\Component\Routing\Matcher\UrlMatcher;
+
+/**
+ * TraceableUrlMatcher helps debug path info matching by tracing the match.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TraceableUrlMatcher extends UrlMatcher
+{
+    const ROUTE_DOES_NOT_MATCH = 0;
+    const ROUTE_ALMOST_MATCHES = 1;
+    const ROUTE_MATCHES        = 2;
+
+    protected $traces;
+
+    public function getTraces($pathinfo)
+    {
+        $this->traces = array();
+
+        try {
+            $this->match($pathinfo);
+        } catch (ExceptionInterface $e) {
+        }
+
+        return $this->traces;
+    }
+
+    protected function matchCollection($pathinfo, RouteCollection $routes)
+    {
+        foreach ($routes as $name => $route) {
+            $compiledRoute = $route->compile();
+
+            if (!preg_match($compiledRoute->getRegex(), $pathinfo, $matches)) {
+                // does it match without any requirements?
+                $r = new Route($route->getPath(), $route->getDefaults(), array(), $route->getOptions());
+                $cr = $r->compile();
+                if (!preg_match($cr->getRegex(), $pathinfo)) {
+                    $this->addTrace(sprintf('Path "%s" does not match', $route->getPath()), self::ROUTE_DOES_NOT_MATCH, $name, $route);
+
+                    continue;
+                }
+
+                foreach ($route->getRequirements() as $n => $regex) {
+                    $r = new Route($route->getPath(), $route->getDefaults(), array($n => $regex), $route->getOptions());
+                    $cr = $r->compile();
+
+                    if (in_array($n, $cr->getVariables()) && !preg_match($cr->getRegex(), $pathinfo)) {
+                        $this->addTrace(sprintf('Requirement for "%s" does not match (%s)', $n, $regex), self::ROUTE_ALMOST_MATCHES, $name, $route);
+
+                        continue 2;
+                    }
+                }
+
+                continue;
+            }
+
+            // check host requirement
+            $hostMatches = array();
+            if ($compiledRoute->getHostRegex() && !preg_match($compiledRoute->getHostRegex(), $this->context->getHost(), $hostMatches)) {
+                $this->addTrace(sprintf('Host "%s" does not match the requirement ("%s")', $this->context->getHost(), $route->getHost()), self::ROUTE_ALMOST_MATCHES, $name, $route);
+
+                return true;
+            }
+
+            // check HTTP method requirement
+            if ($req = $route->getRequirement('_method')) {
+                // HEAD and GET are equivalent as per RFC
+                if ('HEAD' === $method = $this->context->getMethod()) {
+                    $method = 'GET';
+                }
+
+                if (!in_array($method, $req = explode('|', strtoupper($req)))) {
+                    $this->allow = array_merge($this->allow, $req);
+
+                    $this->addTrace(sprintf('Method "%s" does not match the requirement ("%s")', $this->context->getMethod(), implode(', ', $req)), self::ROUTE_ALMOST_MATCHES, $name, $route);
+
+                    continue;
+                }
+            }
+
+            // check HTTP scheme requirement
+            if ($scheme = $route->getRequirement('_scheme')) {
+                if ($this->context->getScheme() !== $scheme) {
+                    $this->addTrace(sprintf('Scheme "%s" does not match the requirement ("%s"); the user will be redirected', $this->context->getScheme(), $scheme), self::ROUTE_ALMOST_MATCHES, $name, $route);
+
+                    return true;
+                }
+            }
+
+            $this->addTrace('Route matches!', self::ROUTE_MATCHES, $name, $route);
+
+            return true;
+        }
+    }
+
+    private function addTrace($log, $level = self::ROUTE_DOES_NOT_MATCH, $name = null, $route = null)
+    {
+        $this->traces[] = array(
+            'log'   => $log,
+            'name'  => $name,
+            'level' => $level,
+            'path'  => null !== $route ? $route->getPath() : null,
+        );
+    }
+}
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