Refactoring

lib/composer/vendor/consolidation/robo/src/Common/IO.php

@@ -0,0 +1,176 @@
+<?php
+namespace Robo\Common;
+
+use Robo\Robo;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\NullOutput;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+use Symfony\Component\Console\Question\Question;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+trait IO
+{
+    use InputAwareTrait;
+    use OutputAwareTrait;
+
+    /**
+     * @var \Symfony\Component\Console\Style\SymfonyStyle
+     */
+    protected $io;
+
+    /**
+     * Provide access to SymfonyStyle object.
+     *
+     * @return SymfonyStyle
+     *
+     * @see http://symfony.com/blog/new-in-symfony-2-8-console-style-guide
+     */
+    protected function io()
+    {
+        if (!$this->io) {
+            $this->io = new SymfonyStyle($this->input(), $this->output());
+        }
+        return $this->io;
+    }
+
+    /**
+     * @param string $nonDecorated
+     * @param string $decorated
+     *
+     * @return string
+     */
+    protected function decorationCharacter($nonDecorated, $decorated)
+    {
+        if (!$this->output()->isDecorated() || (strncasecmp(PHP_OS, 'WIN', 3) == 0)) {
+            return $nonDecorated;
+        }
+        return $decorated;
+    }
+
+    /**
+     * @param string $text
+     */
+    protected function say($text)
+    {
+        $char = $this->decorationCharacter('>', '➜');
+        $this->writeln("$char  $text");
+    }
+
+    /**
+     * @param string $text
+     * @param int $length
+     * @param string $color
+     */
+    protected function yell($text, $length = 40, $color = 'green')
+    {
+        $char = $this->decorationCharacter(' ', '➜');
+        $format = "$char  <fg=white;bg=$color;options=bold>%s</fg=white;bg=$color;options=bold>";
+        $this->formattedOutput($text, $length, $format);
+    }
+
+    /**
+     * @param string $text
+     * @param int $length
+     * @param string $format
+     */
+    private function formattedOutput($text, $length, $format)
+    {
+        $lines = explode("\n", trim($text, "\n"));
+        $maxLineLength = array_reduce(array_map('strlen', $lines), 'max');
+        $length = max($length, $maxLineLength);
+        $len = $length + 2;
+        $space = str_repeat(' ', $len);
+        $this->writeln(sprintf($format, $space));
+        foreach ($lines as $line) {
+            $line = str_pad($line, $length, ' ', STR_PAD_BOTH);
+            $this->writeln(sprintf($format, " $line "));
+        }
+        $this->writeln(sprintf($format, $space));
+    }
+
+    /**
+     * @param string $question
+     * @param bool $hideAnswer
+     *
+     * @return string
+     */
+    protected function ask($question, $hideAnswer = false)
+    {
+        if ($hideAnswer) {
+            return $this->askHidden($question);
+        }
+        return $this->doAsk(new Question($this->formatQuestion($question)));
+    }
+
+    /**
+     * @param string $question
+     *
+     * @return string
+     */
+    protected function askHidden($question)
+    {
+        $question = new Question($this->formatQuestion($question));
+        $question->setHidden(true);
+        return $this->doAsk($question);
+    }
+
+    /**
+     * @param string $question
+     * @param string $default
+     *
+     * @return string
+     */
+    protected function askDefault($question, $default)
+    {
+        return $this->doAsk(new Question($this->formatQuestion("$question [$default]"), $default));
+    }
+
+    /**
+     * @param string $question
+     *
+     * @return string
+     */
+    protected function confirm($question)
+    {
+        return $this->doAsk(new ConfirmationQuestion($this->formatQuestion($question . ' (y/n)'), false));
+    }
+
+    /**
+     * @param \Symfony\Component\Console\Question\Question $question
+     *
+     * @return string
+     */
+    private function doAsk(Question $question)
+    {
+        return $this->getDialog()->ask($this->input(), $this->output(), $question);
+    }
+
+    /**
+     * @param string $message
+     *
+     * @return string
+     */
+    private function formatQuestion($message)
+    {
+        return  "<question>?  $message</question> ";
+    }
+
+    /**
+     * @return \Symfony\Component\Console\Helper\QuestionHelper
+     */
+    protected function getDialog()
+    {
+        return new QuestionHelper();
+    }
+
+    /**
+     * @param $text
+     */
+    private function writeln($text)
+    {
+        $this->output()->writeln($text);
+    }
+}