Blame view

vendor/symfony/console/Question/ConfirmationQuestion.php 1.55 KB
ad2e91f7   Mihail   move multyparser ...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
  <?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;
  
      /**
       * Constructor.
       *
       * @param string $question        The question to ask to the user
       * @param bool   $default         The default answer to return, true or false
       * @param string $trueAnswerRegex A regex to match the "yes" answer
       */
      public function __construct($question, $default = true, $trueAnswerRegex = '/^y/i')
      {
          parent::__construct($question, (bool) $default);
  
          $this->trueAnswerRegex = $trueAnswerRegex;
          $this->setNormalizer($this->getDefaultNormalizer());
      }
  
      /**
       * Returns the default answer normalizer.
       *
       * @return callable
       */
      private function getDefaultNormalizer()
      {
          $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;
          };
      }
  }