Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\Console\Question;

/**

 * Represents a yes/no question.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

class ConfirmationQuestion extends Question

{

    private string $trueAnswerRegex;

    /**

     * @param string $question        The question to ask to the user

     * @param bool   $default         The default answer to return, true or false

     * @param string $trueAnswerRegex A regex to match the "yes" answer

     */

    public function __construct(string $question, bool $default = true, string $trueAnswerRegex = '/^y/i')

    {

        parent::__construct($question, $default);

        $this->trueAnswerRegex = $trueAnswerRegex;

        $this->setNormalizer($this->getDefaultNormalizer());

    }

    /**

     * Returns the default answer normalizer.

     */

    private function getDefaultNormalizer(): callable

    {

        $default = $this->getDefault();

        $regex = $this->trueAnswerRegex;

        return function ($answer) use ($default, $regex) {

            if (\is_bool($answer)) {

                return $answer;

            }

            $answerIsTrue = (bool) preg_match($regex, $answer);

            if (false === $default) {

                return $answer && $answerIsTrue;

            }

            return '' === $answer || $answerIsTrue;

        };

    }

}