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Файл: vendor/symfony/routing/Matcher/TraceableUrlMatcher.php
Строк: 194
<?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 SymfonyComponentRoutingMatcher;

use 
SymfonyComponentHttpFoundationRequest;
use 
SymfonyComponentRoutingExceptionExceptionInterface;
use 
SymfonyComponentRoutingRoute;
use 
SymfonyComponentRoutingRouteCollection;

/**
 * TraceableUrlMatcher helps debug path info matching by tracing the match.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class TraceableUrlMatcher extends UrlMatcher
{
    public const 
ROUTE_DOES_NOT_MATCH 0;
    public const 
ROUTE_ALMOST_MATCHES 1;
    public const 
ROUTE_MATCHES 2;

    protected 
$traces;

    
/**
     * @return array
     */
    
public function getTraces(string $pathinfo)
    {
        
$this->traces = [];

        try {
            
$this->match($pathinfo);
        } catch (
ExceptionInterface) {
        }

        return 
$this->traces;
    }

    
/**
     * @return array
     */
    
public function getTracesForRequest(Request $request)
    {
        
$this->request $request;
        
$traces $this->getTraces($request->getPathInfo());
        
$this->request null;

        return 
$traces;
    }

    protected function 
matchCollection(string $pathinfoRouteCollection $routes): array
    {
        
// HEAD and GET are equivalent as per RFC
        
if ('HEAD' === $method $this->context->getMethod()) {
            
$method 'GET';
        }
        
$supportsTrailingSlash 'GET' === $method && $this instanceof RedirectableUrlMatcherInterface;
        
$trimmedPathinfo rtrim($pathinfo'/') ?: '/';

        foreach (
$routes as $name => $route) {
            
$compiledRoute $route->compile();
            
$staticPrefix rtrim($compiledRoute->getStaticPrefix(), '/');
            
$requiredMethods $route->getMethods();

            
// check the static prefix of the URL first. Only use the more expensive preg_match when it matches
            
if ('' !== $staticPrefix && !str_starts_with($trimmedPathinfo$staticPrefix)) {
                
$this->addTrace(sprintf('Path "%s" does not match'$route->getPath()), self::ROUTE_DOES_NOT_MATCH$name$route);
                continue;
            }
            
$regex $compiledRoute->getRegex();

            
$pos strrpos($regex'$');
            
$hasTrailingSlash '/' === $regex[$pos 1];
            
$regex substr_replace($regex'/?$'$pos $hasTrailingSlash$hasTrailingSlash);

            if (!
preg_match($regex$pathinfo$matches)) {
                
// does it match without any requirements?
                
$r = new Route($route->getPath(), $route->getDefaults(), [], $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(), $route->getDefaults(), [$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;
            }

            
$hasTrailingVar $trimmedPathinfo !== $pathinfo && preg_match('#{[wx80-xFF]+}/?$#'$route->getPath());

            if (
$hasTrailingVar && ($hasTrailingSlash || (null === $m $matches[count($compiledRoute->getPathVariables())] ?? null) || '/' !== ($m[-1] ?? '/')) && preg_match($regex$trimmedPathinfo$m)) {
                if (
$hasTrailingSlash) {
                    
$matches $m;
                } else {
                    
$hasTrailingVar false;
                }
            }

            
$hostMatches = [];
            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;
            }

            
$attributes $this->getAttributes($route$namearray_replace($matches$hostMatches));

            
$status $this->handleRouteRequirements($pathinfo$name$route$attributes);

            if (
self::REQUIREMENT_MISMATCH === $status[0]) {
                
$this->addTrace(sprintf('Condition "%s" does not evaluate to "true"'$route->getCondition()), self::ROUTE_ALMOST_MATCHES$name$route);
                continue;
            }

            if (
'/' !== $pathinfo && !$hasTrailingVar && $hasTrailingSlash === ($trimmedPathinfo === $pathinfo)) {
                if (
$supportsTrailingSlash && (!$requiredMethods || in_array('GET'$requiredMethods))) {
                    
$this->addTrace('Route matches!'self::ROUTE_MATCHES$name$route);

                    return 
$this->allow $this->allowSchemes = [];
                }
                
$this->addTrace(sprintf('Path "%s" does not match'$route->getPath()), self::ROUTE_DOES_NOT_MATCH$name$route);
                continue;
            }

            if (
$route->getSchemes() && !$route->hasScheme($this->context->getScheme())) {
                
$this->allowSchemes array_merge($this->allowSchemes$route->getSchemes());
                
$this->addTrace(sprintf('Scheme "%s" does not match any of the required schemes (%s)'$this->context->getScheme(), implode(', '$route->getSchemes())), self::ROUTE_ALMOST_MATCHES$name$route);
                continue;
            }

            if (
$requiredMethods && !in_array($method$requiredMethods)) {
                
$this->allow array_merge($this->allow$requiredMethods);
                
$this->addTrace(sprintf('Method "%s" does not match any of the required methods (%s)'$this->context->getMethod(), implode(', '$requiredMethods)), self::ROUTE_ALMOST_MATCHES$name$route);
                continue;
            }

            
$this->addTrace('Route matches!'self::ROUTE_MATCHES$name$route);

            return 
array_replace($attributes$status[1] ?? []);
        }

        return [];
    }

    private function 
addTrace(string $logint $level self::ROUTE_DOES_NOT_MATCH, ?string $name null, ?Route $route null): void
    
{
        
$this->traces[] = [
            
'log' => $log,
            
'name' => $name,
            
'level' => $level,
            
'path' => $route?->getPath(),
        ];
    }
}
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