upstream / vendor / symfony / console / Helper / SymfonyQuestionHelper.php

SymfonyQuestionHelper.php in UpStream: a Project Management Plugin for WordPress trunk, at vendor/symfony/console/Helper/SymfonyQuestionHelper.php

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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\Helper;
13
14	use Symfony\Component\Console\Exception\LogicException;
15	use Symfony\Component\Console\Formatter\OutputFormatter;
16	use Symfony\Component\Console\Input\InputInterface;
17	use Symfony\Component\Console\Output\OutputInterface;
18	use Symfony\Component\Console\Question\ChoiceQuestion;
19	use Symfony\Component\Console\Question\ConfirmationQuestion;
20	use Symfony\Component\Console\Question\Question;
21	use Symfony\Component\Console\Style\SymfonyStyle;
22
23	/**
24	* Symfony Style Guide compliant question helper.
25	*
26	* @author Kevin Bond <kevinbond@gmail.com>
27	*/
28	class SymfonyQuestionHelper extends QuestionHelper
29	{
30	/**
31	* {@inheritdoc}
32	*
33	* To be removed in 4.0
34	*/
35	public function ask(InputInterface $input, OutputInterface $output, Question $question)
36	{
37	$validator = $question->getValidator();
38	$question->setValidator(function ($value) use ($validator) {
39	if (null !== $validator) {
40	$value = $validator($value);
41	} else {
42	// make required
43	if (!\is_array($value) && !\is_bool($value) && 0 === \strlen($value)) {
44	@trigger_error('The default question validator is deprecated since Symfony 3.3 and will not be used anymore in version 4.0. Set a custom question validator if needed.', \E_USER_DEPRECATED);
45
46	throw new LogicException('A value is required.');
47	}
48	}
49
50	return $value;
51	});
52
53	return parent::ask($input, $output, $question);
54	}
55
56	/**
57	* {@inheritdoc}
58	*/
59	protected function writePrompt(OutputInterface $output, Question $question)
60	{
61	$text = OutputFormatter::escapeTrailingBackslash($question->getQuestion());
62	$default = $question->getDefault();
63
64	switch (true) {
65	case null === $default:
66	$text = sprintf(' <info>%s</info>:', $text);
67
68	break;
69
70	case $question instanceof ConfirmationQuestion:
71	$text = sprintf(' <info>%s (yes/no)</info> [<comment>%s</comment>]:', $text, $default ? 'yes' : 'no');
72
73	break;
74
75	case $question instanceof ChoiceQuestion && $question->isMultiselect():
76	$choices = $question->getChoices();
77	$default = explode(',', $default);
78
79	foreach ($default as $key => $value) {
80	$default[$key] = $choices[trim($value)];
81	}
82
83	$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape(implode(', ', $default)));
84
85	break;
86
87	case $question instanceof ChoiceQuestion:
88	$choices = $question->getChoices();
89	$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape(isset($choices[$default]) ? $choices[$default] : $default));
90
91	break;
92
93	default:
94	$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape($default));
95	}
96
97	$output->writeln($text);
98
99	$prompt = ' > ';
100
101	if ($question instanceof ChoiceQuestion) {
102	$output->writeln($this->formatChoiceQuestionChoices($question, 'comment'));
103
104	$prompt = $question->getPrompt();
105	}
106
107	$output->write($prompt);
108	}
109
110	/**
111	* {@inheritdoc}
112	*/
113	protected function writeError(OutputInterface $output, \Exception $error)
114	{
115	if ($output instanceof SymfonyStyle) {
116	$output->newLine();
117	$output->error($error->getMessage());
118
119	return;
120	}
121
122	parent::writeError($output, $error);
123	}
124	}
125