First commit

vendor/symfony/console/Helper/SymfonyQuestionHelper.php

@@ -0,0 +1,124 @@
+<?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;
+use Symfony\Component\Console\Formatter\OutputFormatter;
+
+/**
+ * Symfony Style Guide compliant question helper.
+ *
+ * @author Kevin Bond <kevinbond@gmail.com>
+ */
+class SymfonyQuestionHelper extends QuestionHelper
+{
+    /**
+     * {@inheritdoc}
+     *
+     * To be removed in 4.0
+     */
+    public function ask(InputInterface $input, OutputInterface $output, Question $question)
+    {
+        $validator = $question->getValidator();
+        $question->setValidator(function ($value) use ($validator) {
+            if (null !== $validator) {
+                $value = $validator($value);
+            } else {
+                // make required
+                if (!is_array($value) && !is_bool($value) && 0 === strlen($value)) {
+                    @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);
+
+                    throw new LogicException('A value is required.');
+                }
+            }
+
+            return $value;
+        });
+
+        return parent::ask($input, $output, $question);
+    }
+
+    /**
+     * {@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>]:', $text, OutputFormatter::escape($choices[$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);
+    }
+}