comparison vendor/symfony/console/Question/ConfirmationQuestion.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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children 1fec387a4317
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Console\Question;
13
14 /**
15 * Represents a yes/no question.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19 class ConfirmationQuestion extends Question
20 {
21 private $trueAnswerRegex;
22
23 /**
24 * Constructor.
25 *
26 * @param string $question The question to ask to the user
27 * @param bool $default The default answer to return, true or false
28 * @param string $trueAnswerRegex A regex to match the "yes" answer
29 */
30 public function __construct($question, $default = true, $trueAnswerRegex = '/^y/i')
31 {
32 parent::__construct($question, (bool) $default);
33
34 $this->trueAnswerRegex = $trueAnswerRegex;
35 $this->setNormalizer($this->getDefaultNormalizer());
36 }
37
38 /**
39 * Returns the default answer normalizer.
40 *
41 * @return callable
42 */
43 private function getDefaultNormalizer()
44 {
45 $default = $this->getDefault();
46 $regex = $this->trueAnswerRegex;
47
48 return function ($answer) use ($default, $regex) {
49 if (is_bool($answer)) {
50 return $answer;
51 }
52
53 $answerIsTrue = (bool) preg_match($regex, $answer);
54 if (false === $default) {
55 return $answer && $answerIsTrue;
56 }
57
58 return !$answer || $answerIsTrue;
59 };
60 }
61 }