Primo Committ

vendor/psy/psysh/src/Command/BufferCommand.php

@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2022 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(['buf'])
+            ->setDefinition([
+                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);
+        }
+
+        return 0;
+    }
+
+    /**
+     * 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, string $type = 'return'): array
+    {
+        $template = \sprintf('<%s>%%s</%s>', $type, $type);
+
+        return \array_map(function ($line) use ($template) {
+            return \sprintf($template, $line);
+        }, $lines);
+    }
+}