src/IO/Validator/CallbackValidator.php
<?php
declare(strict_types=1);
/*
* This file is part of the Composer package "cpsit/project-builder".
*
* Copyright (C) 2023 Elias Häußler <e.haeussler@familie-redlich.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace CPSIT\ProjectBuilder\IO\Validator;
use CPSIT\ProjectBuilder\Exception;
use function is_callable;
/**
* CallbackValidator.
*
* @author Elias Häußler <e.haeussler@familie-redlich.de>
* @license GPL-3.0-or-later
*
* @extends AbstractValidator<array{callback: callable(string|null): (string|null)}>
*/
final class CallbackValidator extends AbstractValidator
{
private const TYPE = 'callback';
protected static array $defaultOptions = [
'callback' => null,
];
/**
* @param array{callback?: callable(string|null): (string|null)} $options
*
* @throws Exception\MisconfiguredValidatorException
*/
public function __construct(array $options = [])
{
if (!is_callable($options['callback'] ?? null)) {
throw Exception\MisconfiguredValidatorException::forUnexpectedOption($this, 'callback');
}
parent::__construct($options);
}
public function __invoke(?string $input): ?string
{
return $this->options['callback']($input);
}
public static function getType(): string
{
return self::TYPE;
}
public static function supports(string $type): bool
{
return self::TYPE === $type;
}
}