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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\FrontendLogin\Service;
use TYPO3\CMS\Core\SingletonInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Validation\Validator\ValidatorInterface;
/**
* @internal this is a concrete TYPO3 implementation and solely used for EXT:felogin and not part of TYPO3's Core API.
*/
class ValidatorResolverService implements SingletonInterface
{
/**
* Resolves Validator classes based on the validator config. This array can either
* contain a FQCN or an array with keys "className"(string) and "options"(array).
*
* @template T of ValidatorInterface
* @param array<class-string<T>|array{className: class-string<T>, options: array}> $validatorConfig
*
* @return \Generator<T>|null
*/
public function resolve(array $validatorConfig): ?\Generator
{
foreach ($validatorConfig as $validator) {
if (is_string($validator)) {
yield GeneralUtility::makeInstance($validator);
} elseif (is_array($validator)) {
$validatorInstance = GeneralUtility::makeInstance($validator['className']);
$validatorInstance->setOptions($validator['options']);
yield $validatorInstance;
}
}
}
}