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Diffstat (limited to 'vendor/symfony/console/Style/SymfonyStyle.php')
-rw-r--r-- | vendor/symfony/console/Style/SymfonyStyle.php | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/vendor/symfony/console/Style/SymfonyStyle.php b/vendor/symfony/console/Style/SymfonyStyle.php new file mode 100644 index 00000000..53a7951e --- /dev/null +++ b/vendor/symfony/console/Style/SymfonyStyle.php @@ -0,0 +1,440 @@ +<?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\Style; + +use Symfony\Component\Console\Application; +use Symfony\Component\Console\Exception\RuntimeException; +use Symfony\Component\Console\Formatter\OutputFormatter; +use Symfony\Component\Console\Helper\Helper; +use Symfony\Component\Console\Helper\ProgressBar; +use Symfony\Component\Console\Helper\SymfonyQuestionHelper; +use Symfony\Component\Console\Helper\Table; +use Symfony\Component\Console\Helper\TableCell; +use Symfony\Component\Console\Input\InputInterface; +use Symfony\Component\Console\Output\BufferedOutput; +use Symfony\Component\Console\Output\OutputInterface; +use Symfony\Component\Console\Question\ChoiceQuestion; +use Symfony\Component\Console\Question\ConfirmationQuestion; +use Symfony\Component\Console\Question\Question; + +/** + * Output decorator helpers for the Symfony Style Guide. + * + * @author Kevin Bond <kevinbond@gmail.com> + */ +class SymfonyStyle extends OutputStyle +{ + const MAX_LINE_LENGTH = 120; + + private $input; + private $questionHelper; + private $progressBar; + private $lineLength; + private $bufferedOutput; + + /** + * @param InputInterface $input + * @param OutputInterface $output + */ + public function __construct(InputInterface $input, OutputInterface $output) + { + $this->input = $input; + $this->bufferedOutput = new BufferedOutput($output->getVerbosity(), false, clone $output->getFormatter()); + // Windows cmd wraps lines as soon as the terminal width is reached, whether there are following chars or not. + $this->lineLength = min($this->getTerminalWidth() - (int) (DIRECTORY_SEPARATOR === '\\'), self::MAX_LINE_LENGTH); + + parent::__construct($output); + } + + /** + * Formats a message as a block of text. + * + * @param string|array $messages The message to write in the block + * @param string|null $type The block type (added in [] on first line) + * @param string|null $style The style to apply to the whole block + * @param string $prefix The prefix for the block + * @param bool $padding Whether to add vertical padding + */ + public function block($messages, $type = null, $style = null, $prefix = ' ', $padding = false) + { + $this->autoPrependBlock(); + $messages = is_array($messages) ? array_values($messages) : array($messages); + $indentLength = 0; + $lines = array(); + + if (null !== $type) { + $typePrefix = sprintf('[%s] ', $type); + $indentLength = strlen($typePrefix); + $lineIndentation = str_repeat(' ', $indentLength); + } + + // wrap and add newlines for each element + foreach ($messages as $key => $message) { + $message = OutputFormatter::escape($message); + $lines = array_merge($lines, explode(PHP_EOL, wordwrap($message, $this->lineLength - Helper::strlen($prefix) - $indentLength, PHP_EOL, true))); + + // prefix each line with a number of spaces equivalent to the type length + if (null !== $type) { + foreach ($lines as &$line) { + $line = $lineIndentation === substr($line, 0, $indentLength) ? $line : $lineIndentation.$line; + } + } + + if (count($messages) > 1 && $key < count($messages) - 1) { + $lines[] = ''; + } + } + + if (null !== $type) { + $lines[0] = substr_replace($lines[0], $typePrefix, 0, $indentLength); + } + + if ($padding && $this->isDecorated()) { + array_unshift($lines, ''); + $lines[] = ''; + } + + foreach ($lines as &$line) { + $line = sprintf('%s%s', $prefix, $line); + $line .= str_repeat(' ', $this->lineLength - Helper::strlenWithoutDecoration($this->getFormatter(), $line)); + + if ($style) { + $line = sprintf('<%s>%s</>', $style, $line); + } + } + + $this->writeln($lines); + $this->newLine(); + } + + /** + * {@inheritdoc} + */ + public function title($message) + { + $this->autoPrependBlock(); + $this->writeln(array( + sprintf('<comment>%s</>', $message), + sprintf('<comment>%s</>', str_repeat('=', Helper::strlenWithoutDecoration($this->getFormatter(), $message))), + )); + $this->newLine(); + } + + /** + * {@inheritdoc} + */ + public function section($message) + { + $this->autoPrependBlock(); + $this->writeln(array( + sprintf('<comment>%s</>', $message), + sprintf('<comment>%s</>', str_repeat('-', Helper::strlenWithoutDecoration($this->getFormatter(), $message))), + )); + $this->newLine(); + } + + /** + * {@inheritdoc} + */ + public function listing(array $elements) + { + $this->autoPrependText(); + $elements = array_map(function ($element) { + return sprintf(' * %s', $element); + }, $elements); + + $this->writeln($elements); + $this->newLine(); + } + + /** + * {@inheritdoc} + */ + public function text($message) + { + $this->autoPrependText(); + + $messages = is_array($message) ? array_values($message) : array($message); + foreach ($messages as $message) { + $this->writeln(sprintf(' %s', $message)); + } + } + + /** + * Formats a command comment. + * + * @param string|array $message + */ + public function comment($message) + { + $messages = is_array($message) ? array_values($message) : array($message); + foreach ($messages as &$message) { + $message = $this->getFormatter()->format($message); + } + + $this->block($messages, null, null, ' // '); + } + + /** + * {@inheritdoc} + */ + public function success($message) + { + $this->block($message, 'OK', 'fg=black;bg=green', ' ', true); + } + + /** + * {@inheritdoc} + */ + public function error($message) + { + $this->block($message, 'ERROR', 'fg=white;bg=red', ' ', true); + } + + /** + * {@inheritdoc} + */ + public function warning($message) + { + $this->block($message, 'WARNING', 'fg=white;bg=red', ' ', true); + } + + /** + * {@inheritdoc} + */ + public function note($message) + { + $this->block($message, 'NOTE', 'fg=yellow', ' ! '); + } + + /** + * {@inheritdoc} + */ + public function caution($message) + { + $this->block($message, 'CAUTION', 'fg=white;bg=red', ' ! ', true); + } + + /** + * {@inheritdoc} + */ + public function table(array $headers, array $rows) + { + array_walk_recursive($headers, function (&$value) { + if ($value instanceof TableCell) { + $value = new TableCell(sprintf('<info>%s</>', $value), array( + 'colspan' => $value->getColspan(), + 'rowspan' => $value->getRowspan(), + )); + } else { + $value = sprintf('<info>%s</>', $value); + } + }); + + $table = new Table($this); + $table->setHeaders($headers); + $table->setRows($rows); + $table->setStyle('symfony-style-guide'); + + $table->render(); + $this->newLine(); + } + + /** + * {@inheritdoc} + */ + public function ask($question, $default = null, $validator = null) + { + $question = new Question($question, $default); + $question->setValidator($validator); + + return $this->askQuestion($question); + } + + /** + * {@inheritdoc} + */ + public function askHidden($question, $validator = null) + { + $question = new Question($question); + + $question->setHidden(true); + $question->setValidator($validator); + + return $this->askQuestion($question); + } + + /** + * {@inheritdoc} + */ + public function confirm($question, $default = true) + { + return $this->askQuestion(new ConfirmationQuestion($question, $default)); + } + + /** + * {@inheritdoc} + */ + public function choice($question, array $choices, $default = null) + { + if (null !== $default) { + $values = array_flip($choices); + $default = $values[$default]; + } + + return $this->askQuestion(new ChoiceQuestion($question, $choices, $default)); + } + + /** + * {@inheritdoc} + */ + public function progressStart($max = 0) + { + $this->progressBar = $this->createProgressBar($max); + $this->progressBar->start(); + } + + /** + * {@inheritdoc} + */ + public function progressAdvance($step = 1) + { + $this->getProgressBar()->advance($step); + } + + /** + * {@inheritdoc} + */ + public function progressFinish() + { + $this->getProgressBar()->finish(); + $this->newLine(2); + $this->progressBar = null; + } + + /** + * {@inheritdoc} + */ + public function createProgressBar($max = 0) + { + $progressBar = parent::createProgressBar($max); + + if ('\\' !== DIRECTORY_SEPARATOR) { + $progressBar->setEmptyBarCharacter('░'); // light shade character \u2591 + $progressBar->setProgressCharacter(''); + $progressBar->setBarCharacter('▓'); // dark shade character \u2593 + } + + return $progressBar; + } + + /** + * @param Question $question + * + * @return string + */ + public function askQuestion(Question $question) + { + if ($this->input->isInteractive()) { + $this->autoPrependBlock(); + } + + if (!$this->questionHelper) { + $this->questionHelper = new SymfonyQuestionHelper(); + } + + $answer = $this->questionHelper->ask($this->input, $this, $question); + + if ($this->input->isInteractive()) { + $this->newLine(); + $this->bufferedOutput->write("\n"); + } + + return $answer; + } + + /** + * {@inheritdoc} + */ + public function writeln($messages, $type = self::OUTPUT_NORMAL) + { + parent::writeln($messages, $type); + $this->bufferedOutput->writeln($this->reduceBuffer($messages), $type); + } + + /** + * {@inheritdoc} + */ + public function write($messages, $newline = false, $type = self::OUTPUT_NORMAL) + { + parent::write($messages, $newline, $type); + $this->bufferedOutput->write($this->reduceBuffer($messages), $newline, $type); + } + + /** + * {@inheritdoc} + */ + public function newLine($count = 1) + { + parent::newLine($count); + $this->bufferedOutput->write(str_repeat("\n", $count)); + } + + /** + * @return ProgressBar + */ + private function getProgressBar() + { + if (!$this->progressBar) { + throw new RuntimeException('The ProgressBar is not started.'); + } + + return $this->progressBar; + } + + private function getTerminalWidth() + { + $application = new Application(); + $dimensions = $application->getTerminalDimensions(); + + return $dimensions[0] ?: self::MAX_LINE_LENGTH; + } + + private function autoPrependBlock() + { + $chars = substr(str_replace(PHP_EOL, "\n", $this->bufferedOutput->fetch()), -2); + + if (!isset($chars[0])) { + return $this->newLine(); //empty history, so we should start with a new line. + } + //Prepend new line for each non LF chars (This means no blank line was output before) + $this->newLine(2 - substr_count($chars, "\n")); + } + + private function autoPrependText() + { + $fetched = $this->bufferedOutput->fetch(); + //Prepend new line if last char isn't EOL: + if ("\n" !== substr($fetched, -1)) { + $this->newLine(); + } + } + + private function reduceBuffer($messages) + { + // We need to know if the two last chars are PHP_EOL + // Preserve the last 4 chars inserted (PHP_EOL on windows is two chars) in the history buffer + return array_map(function ($value) { + return substr($value, -4); + }, array_merge(array($this->bufferedOutput->fetch()), (array) $messages)); + } +} |