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