Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Console\Helper;
Chris@0: 
Chris@0: use Symfony\Component\Console\Exception\LogicException;
Chris@17: use Symfony\Component\Console\Formatter\OutputFormatter;
Chris@0: use Symfony\Component\Console\Input\InputInterface;
Chris@0: use Symfony\Component\Console\Output\OutputInterface;
Chris@0: use Symfony\Component\Console\Question\ChoiceQuestion;
Chris@0: use Symfony\Component\Console\Question\ConfirmationQuestion;
Chris@0: use Symfony\Component\Console\Question\Question;
Chris@0: use Symfony\Component\Console\Style\SymfonyStyle;
Chris@0: 
Chris@0: /**
Chris@0:  * Symfony Style Guide compliant question helper.
Chris@0:  *
Chris@0:  * @author Kevin Bond <kevinbond@gmail.com>
Chris@0:  */
Chris@0: class SymfonyQuestionHelper extends QuestionHelper
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@14:      *
Chris@14:      * To be removed in 4.0
Chris@0:      */
Chris@0:     public function ask(InputInterface $input, OutputInterface $output, Question $question)
Chris@0:     {
Chris@0:         $validator = $question->getValidator();
Chris@0:         $question->setValidator(function ($value) use ($validator) {
Chris@0:             if (null !== $validator) {
Chris@0:                 $value = $validator($value);
Chris@0:             } else {
Chris@0:                 // make required
Chris@17:                 if (!\is_array($value) && !\is_bool($value) && 0 === \strlen($value)) {
Chris@14:                     @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);
Chris@14: 
Chris@0:                     throw new LogicException('A value is required.');
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             return $value;
Chris@0:         });
Chris@0: 
Chris@0:         return parent::ask($input, $output, $question);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function writePrompt(OutputInterface $output, Question $question)
Chris@0:     {
Chris@0:         $text = OutputFormatter::escapeTrailingBackslash($question->getQuestion());
Chris@0:         $default = $question->getDefault();
Chris@0: 
Chris@0:         switch (true) {
Chris@0:             case null === $default:
Chris@0:                 $text = sprintf(' <info>%s</info>:', $text);
Chris@0: 
Chris@0:                 break;
Chris@0: 
Chris@0:             case $question instanceof ConfirmationQuestion:
Chris@0:                 $text = sprintf(' <info>%s (yes/no)</info> [<comment>%s</comment>]:', $text, $default ? 'yes' : 'no');
Chris@0: 
Chris@0:                 break;
Chris@0: 
Chris@0:             case $question instanceof ChoiceQuestion && $question->isMultiselect():
Chris@0:                 $choices = $question->getChoices();
Chris@0:                 $default = explode(',', $default);
Chris@0: 
Chris@0:                 foreach ($default as $key => $value) {
Chris@0:                     $default[$key] = $choices[trim($value)];
Chris@0:                 }
Chris@0: 
Chris@0:                 $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape(implode(', ', $default)));
Chris@0: 
Chris@0:                 break;
Chris@0: 
Chris@0:             case $question instanceof ChoiceQuestion:
Chris@0:                 $choices = $question->getChoices();
Chris@17:                 $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape(isset($choices[$default]) ? $choices[$default] : $default));
Chris@0: 
Chris@0:                 break;
Chris@0: 
Chris@0:             default:
Chris@0:                 $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, OutputFormatter::escape($default));
Chris@0:         }
Chris@0: 
Chris@0:         $output->writeln($text);
Chris@0: 
Chris@0:         if ($question instanceof ChoiceQuestion) {
Chris@0:             $width = max(array_map('strlen', array_keys($question->getChoices())));
Chris@0: 
Chris@0:             foreach ($question->getChoices() as $key => $value) {
Chris@0:                 $output->writeln(sprintf("  [<comment>%-${width}s</comment>] %s", $key, $value));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $output->write(' > ');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function writeError(OutputInterface $output, \Exception $error)
Chris@0:     {
Chris@0:         if ($output instanceof SymfonyStyle) {
Chris@0:             $output->newLine();
Chris@0:             $output->error($error->getMessage());
Chris@0: 
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         parent::writeError($output, $error);
Chris@0:     }
Chris@0: }