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Diffstat (limited to 'vendor/symfony/console/Helper/SymfonyQuestionHelper.php')
-rw-r--r-- | vendor/symfony/console/Helper/SymfonyQuestionHelper.php | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/vendor/symfony/console/Helper/SymfonyQuestionHelper.php b/vendor/symfony/console/Helper/SymfonyQuestionHelper.php new file mode 100644 index 00000000..942278bd --- /dev/null +++ b/vendor/symfony/console/Helper/SymfonyQuestionHelper.php @@ -0,0 +1,107 @@ +<?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: + $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); + } +} |