<?php /* * This file is part of Psy Shell. * * (c) 2012-2015 Justin Hileman * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Psy\Command; use Psy\Output\ShellOutput; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Input\InputOption; use Symfony\Component\Console\Output\OutputInterface; /** * Interact with the current code buffer. * * Shows and clears the buffer for the current multi-line expression. */ class BufferCommand extends Command { /** * {@inheritdoc} */ protected function configure() { $this ->setName('buffer') ->setAliases(array('buf')) ->setDefinition(array( new InputOption('clear', '', InputOption::VALUE_NONE, 'Clear the current buffer.'), )) ->setDescription('Show (or clear) the contents of the code input buffer.') ->setHelp( <<<'HELP' Show the contents of the code buffer for the current multi-line expression. Optionally, clear the buffer by passing the <info>--clear</info> option. HELP ); } /** * {@inheritdoc} */ protected function execute(InputInterface $input, OutputInterface $output) { $buf = $this->getApplication()->getCodeBuffer(); if ($input->getOption('clear')) { $this->getApplication()->resetCodeBuffer(); $output->writeln($this->formatLines($buf, 'urgent'), ShellOutput::NUMBER_LINES); } else { $output->writeln($this->formatLines($buf), ShellOutput::NUMBER_LINES); } } /** * A helper method for wrapping buffer lines in `<urgent>` and `<return>` formatter strings. * * @param array $lines * @param string $type (default: 'return') * * @return array Formatted strings */ protected function formatLines(array $lines, $type = 'return') { $template = sprintf('<%s>%%s</%s>', $type, $type); return array_map(function ($line) use ($template) { return sprintf($template, $line); }, $lines); } }