96 lines
2.5 KiB
PHP
96 lines
2.5 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Question;
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/**
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* Represents a choice question.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class ChoiceQuestion extends Question
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{
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private $choices;
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private $multiselect = false;
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private $prompt = ' > ';
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private $errorMessage = 'Value "%s" is invalid';
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public function __construct($question, array $choices, $default = null)
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{
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parent::__construct($question, $default);
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$this->choices = $choices;
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$this->setValidator($this->getDefaultValidator());
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$this->setAutocompleter(array_keys($choices));
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}
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public function getChoices()
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{
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return $this->choices;
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}
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public function setMultiselect($multiselect)
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{
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$this->multiselect = $multiselect;
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}
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public function getPrompt()
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{
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return $this->prompt;
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}
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public function setPrompt($prompt)
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{
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$this->prompt = $prompt;
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}
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public function setErrorMessage($errorMessage)
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{
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$this->errorMessage = $errorMessage;
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}
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private function getDefaultValidator()
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{
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$choices = $this->choices;
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$errorMessage = $this->errorMessage;
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$multiselect = $this->multiselect;
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return function ($selected) use ($choices, $errorMessage, $multiselect) {
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// Collapse all spaces.
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$selectedChoices = str_replace(' ', '', $selected);
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if ($multiselect) {
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// Check for a separated comma values
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if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
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throw new \InvalidArgumentException(sprintf($errorMessage, $selected));
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}
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$selectedChoices = explode(',', $selectedChoices);
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} else {
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$selectedChoices = array($selected);
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}
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$multiselectChoices = array();
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foreach ($selectedChoices as $value) {
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if (empty($choices[$value])) {
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throw new \InvalidArgumentException(sprintf($errorMessage, $value));
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}
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array_push($multiselectChoices, $value);
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}
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if ($multiselect) {
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return $multiselectChoices;
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}
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return $selected;
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};
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}
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}
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