ClassesConfiguration.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\Extbase\Persistence;
 
class ‪ClassesConfiguration
{
    private ‪$configuration;
 
    public function ‪__construct(array ‪$configuration)
    {
        $this->configuration = ‪$configuration;
    }
 
    public function ‪hasClass(string $className): bool
    {
        return array_key_exists($className, $this->configuration);
    }
 
    public function ‪getConfigurationFor(string $className): ?array
    {
        return $this->configuration[$className] ?? null;
    }
 
    public function ‪getSubClasses(string $className): array
    {
        return $this->‪resolveSubClassesRecursive($className);
    }
 
    private function ‪resolveSubClassesRecursive(string $className, array $subClasses = []): array
    {
        foreach ($this->configuration[$className]['subclasses'] ?? [] as $subclass) {
            if (in_array($subclass, $subClasses, true)) {
                continue;
            }
 
            $subClasses[] = $subclass;
            $subClasses = $this->‪resolveSubClassesRecursive($subclass, $subClasses);
        }
 
        return $subClasses;
    }
}