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<?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\Formatter\OutputFormatter;
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}
*/
protected function writePrompt(OutputInterface $output, Question $question)
{
$text = OutputFormatter::escapeTrailingBackslash($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, OutputFormatter::escape(implode(', ', $default)));
break;
case $question instanceof ChoiceQuestion:
$choices = $question->getChoices();
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape(isset($choices[$default]) ? $choices[$default] : $default));
break;
default:
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape($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);
}
}
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