<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: yunwuxin <448901948@qq.com>
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// +----------------------------------------------------------------------
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namespace think\console\output\question;
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use think\console\output\Question;
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class Confirmation extends Question
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{
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private $trueAnswerRegex;
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/**
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* 构造方法
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* @param string $question 问题
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* @param bool $default 默认答案
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* @param string $trueAnswerRegex 验证正则
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*/
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public function __construct($question, $default = true, $trueAnswerRegex = '/^y/i')
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{
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parent::__construct($question, (bool) $default);
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$this->trueAnswerRegex = $trueAnswerRegex;
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$this->setNormalizer($this->getDefaultNormalizer());
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}
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/**
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* 获取默认的答案回调
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* @return callable
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*/
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private function getDefaultNormalizer()
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{
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$default = $this->getDefault();
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$regex = $this->trueAnswerRegex;
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return function ($answer) use ($default, $regex) {
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if (is_bool($answer)) {
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return $answer;
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}
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$answerIsTrue = (bool) preg_match($regex, $answer);
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if (false === $default) {
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return $answer && $answerIsTrue;
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}
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return !$answer || $answerIsTrue;
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};
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}
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}
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