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File Content: `TraceableUrlMatcher.php`

<?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;

/**
 * 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);

                continue;
            }

            // 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 condition
            if ($condition = $route->getCondition()) {
                if (!$this->getExpressionLanguage()->evaluate($condition, array('context' => $this->context, 'request' => $this->request))) {
                    $this->addTrace(sprintf('Condition "%s" does not evaluate to "true"', $condition), 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,
        );
    }
}
Name	Size	Permission
Dumper	---	0755
ApacheUrlMatcher.php	3441 bytes	0644
RedirectableUrlMatcher.php	1892 bytes	0644
RedirectableUrlMatcherInterface.php	870 bytes	0644
RequestMatcherInterface.php	1203 bytes	0644
TraceableUrlMatcher.php	4741 bytes	0644
UrlMatcher.php	7202 bytes	0644
UrlMatcherInterface.php	1288 bytes	0644
File Content: TraceableUrlMatcher.php

File Content: `TraceableUrlMatcher.php`
