9.5/_mappable_processor_8php_source.html

<?php

declare(strict_types = 1);


namespace ‪TYPO3\CMS\Core\Routing\Aspect;


/*

 * 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!

 */


use ‪TYPO3\CMS\Core\Routing\Route;


class ‪MappableProcessor

{

    public function ‪resolve(‪Route $route, array &$attributes): bool

    {

        $mappers = $this->‪fetchMappers($route, $attributes);

        if (empty($mappers)) {

            return true;

        }


        $values = [];

        foreach ($mappers as $variableName => $mapper) {

            $value = $mapper->resolve(

                (string)($attributes[$variableName] ?? '')

            );

            if ($value === null) {

                return false;

            }

            $values[$variableName] = $value;

        }


        $attributes = array_merge($attributes, $values);

        return true;

    }


    public function ‪generate(‪Route $route, array &$attributes): bool

    {

        $mappers = $this->‪fetchMappers($route, $attributes);

        if (empty($mappers)) {

            return true;

        }


        $values = [];

        foreach ($mappers as $variableName => $mapper) {

            $value = $mapper->generate(

                (string)($attributes[$variableName] ?? '')

            );

            if ($value === null) {

                return false;

            }

            $values[$variableName] = $value;

        }


        $attributes = array_merge($attributes, $values);

        return true;

    }


    protected function ‪fetchMappers(‪Route $route, array $attributes, string $type = MappableAspectInterface::class): array

    {

        if (empty($attributes)) {

            return [];

        }

        return $route->‪filterAspects([$type], array_keys($attributes));

    }

}