PageUriMatcher.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Routing;
 
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use ‪TYPO3\CMS\Core\Routing\Aspect\MappableProcessor;
 
class ‪PageUriMatcher
{
    protected $routes;
 
    protected $mappableProcessor;
 
    public function __construct(‪RouteCollection $routes)
    {
        $this->‪routes = $routes;
        $this->‪mappableProcessor = new ‪MappableProcessor();
    }
 
    public function ‪match(string $urlPath)
    {
        if ($ret = $this->‪matchCollection(rawurldecode($urlPath), $this->‪routes)) {
            return $ret;
        }
        throw new ResourceNotFoundException(
            sprintf('No routes found for "%s".', $urlPath),
            1538156220
        );
    }
 
    protected function ‪matchCollection(string $urlPath, RouteCollection $routes): ?array
    {
        foreach ($routes as $name => $route) {
            $urlPath = $this->‪getDecoratedRoutePath($route) ?? $urlPath;
            $compiledRoute = $route->compile();
 
            // check the static prefix of the URL first. Only use the more expensive preg_match when it matches
            if ($compiledRoute->getStaticPrefix() !== '' && strpos($urlPath, $compiledRoute->getStaticPrefix()) !== 0) {
                continue;
            }
 
            if (!preg_match($compiledRoute->getRegex(), $urlPath, $matches)) {
                continue;
            }
 
            // custom handling of Mappable instances
            if (!$this->‪mappableProcessor->resolve($route, $matches)) {
                continue;
            }
 
            return $this->‪getAttributes($route, $name, $matches);
        }
        return null;
    }
 
    protected function ‪getDecoratedRoutePath(Route $route): ?string
    {
        if (!$route->hasOption('_decoratedRoutePath')) {
            return null;
        }
        $urlPath = $route->getOption('_decoratedRoutePath');
        return rawurldecode($urlPath);
    }
 
    protected function ‪getAttributes(Route $route, string $name, array $attributes): array
    {
        $defaults = $route->getDefaults();
        if (isset($defaults['_canonical_route'])) {
            $name = $defaults['_canonical_route'];
            unset($defaults['_canonical_route']);
        }
        $attributes['_route'] = $name;
        // store applied default values in route options
        $relevantDefaults = array_intersect_key($defaults, array_flip($route->compile()->getPathVariables()));
        // option '_appliedDefaults' contains internal(!) values (default values are not mapped when resolving)
        // (keys used are deflated and need to be inflated later using VariableProcessor)
        $route->setOption('_appliedDefaults', array_diff_key($relevantDefaults, $attributes));
        // side note: $defaults can contain e.g. '_controller'
        return $this->‪mergeDefaults($attributes, $defaults);
    }
 
    protected function ‪mergeDefaults(array $params, array $defaults): array
    {
        foreach ($params as $key => $value) {
            if (!is_int($key) && $value !== null) {
                $defaults[$key] = $value;
            }
        }
        return $defaults;
    }
}