编辑 ConfirmationQuestion.php

✏️ 编辑：ConfirmationQuestion.php

路径：/home/boguraj1/.trash/vendor/symfony/console/Question/ConfirmationQuestion.php

大小：1.53 KB · 修改：2026-07-23 16:13:46 · 权限：0644 · 可写

<?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 $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;
        };
    }
}