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symfony/src/Symfony/Component/Console/Helper/SymfonyQuestionHelper.php
Fabien Potencier 6b81f2ce43 Merge branch '2.7' into 2.8
* 2.7:
  [CS] Respect PSR2 4.2
  [Form] fix `empty_data` option in expanded `ChoiceType`
  [Console] removed unneeded private methods
  sync min email validator version
  [TwigBridge] Fix inconsistency in LintCommand help
  explicitly forbid e-mail validator 2.0 or higher
  Fixed SymfonyQuestionHelper multi-choice with defaults
  [DoctrineBridge] Don't use object IDs in DoctrineChoiceLoader when passing a value closure
  Differentiate between the first time a progress bar is displayed and subsequent times
  finished previous commit
  No more exception for malformed input name
  fix post_max_size_message translation
  [Process] Fix pipes cleaning on Windows
  Avoid phpunit 5.4 warnings on getMock
  [Form] Add exception to FormRenderer about non-unique block names
  [Form] Consider a violation even if the form is not submitted
2016-06-28 18:24:07 +02:00

120 lines
3.5 KiB
PHP

<?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\Helper;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ChoiceQuestion;
use Symfony\Component\Console\Question\ConfirmationQuestion;
use Symfony\Component\Console\Question\Question;
use Symfony\Component\Console\Style\SymfonyStyle;
/**
* Symfony Style Guide compliant question helper.
*
* @author Kevin Bond <kevinbond@gmail.com>
*/
class SymfonyQuestionHelper extends QuestionHelper
{
/**
* {@inheritdoc}
*/
public function ask(InputInterface $input, OutputInterface $output, Question $question)
{
$validator = $question->getValidator();
$question->setValidator(function ($value) use ($validator) {
if (null !== $validator) {
$value = $validator($value);
}
// make required
if (!is_array($value) && !is_bool($value) && 0 === strlen($value)) {
throw new LogicException('A value is required.');
}
return $value;
});
return parent::ask($input, $output, $question);
}
/**
* {@inheritdoc}
*/
protected function writePrompt(OutputInterface $output, Question $question)
{
$text = $question->getQuestion();
$default = $question->getDefault();
switch (true) {
case null === $default:
$text = sprintf(' <info>%s</info>:', $text);
break;
case $question instanceof ConfirmationQuestion:
$text = sprintf(' <info>%s (yes/no)</info> [<comment>%s</comment>]:', $text, $default ? 'yes' : 'no');
break;
case $question instanceof ChoiceQuestion && $question->isMultiSelect():
$choices = $question->getChoices();
$default = explode(',', $default);
foreach ($default as $key => $value) {
$default[$key] = $choices[trim($value)];
}
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, implode(', ', $default));
break;
case $question instanceof ChoiceQuestion:
$choices = $question->getChoices();
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $choices[$default]);
break;
default:
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $default);
}
$output->writeln($text);
if ($question instanceof ChoiceQuestion) {
$width = max(array_map('strlen', array_keys($question->getChoices())));
foreach ($question->getChoices() as $key => $value) {
$output->writeln(sprintf(" [<comment>%-${width}s</comment>] %s", $key, $value));
}
}
$output->write(' > ');
}
/**
* {@inheritdoc}
*/
protected function writeError(OutputInterface $output, \Exception $error)
{
if ($output instanceof SymfonyStyle) {
$output->newLine();
$output->error($error->getMessage());
return;
}
parent::writeError($output, $error);
}
}