+++ /dev/null
-<?php
-
-/*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2017 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 Symfony\Component\Console\Helper\TableHelper;
-use Symfony\Component\Console\Input\InputArgument;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
-/**
- * Help command.
- *
- * Lists available commands, and gives command-specific help when asked nicely.
- */
-class HelpCommand extends Command
-{
- private $command;
-
- /**
- * {@inheritdoc}
- */
- protected function configure()
- {
- $this
- ->setName('help')
- ->setAliases(array('?'))
- ->setDefinition(array(
- new InputArgument('command_name', InputArgument::OPTIONAL, 'The command name', null),
- ))
- ->setDescription('Show a list of commands. Type `help [foo]` for information about [foo].')
- ->setHelp('My. How meta.');
- }
-
- /**
- * Helper for setting a subcommand to retrieve help for.
- *
- * @param Command $command
- */
- public function setCommand($command)
- {
- $this->command = $command;
- }
-
- /**
- * {@inheritdoc}
- */
- protected function execute(InputInterface $input, OutputInterface $output)
- {
- if ($this->command !== null) {
- // help for an individual command
- $output->page($this->command->asText());
- $this->command = null;
- } elseif ($name = $input->getArgument('command_name')) {
- // help for an individual command
- $output->page($this->getApplication()->get($name)->asText());
- } else {
- // list available commands
- $commands = $this->getApplication()->all();
-
- $table = $this->getTable($output);
-
- foreach ($commands as $name => $command) {
- if ($name !== $command->getName()) {
- continue;
- }
-
- if ($command->getAliases()) {
- $aliases = sprintf('<comment>Aliases:</comment> %s', implode(', ', $command->getAliases()));
- } else {
- $aliases = '';
- }
-
- $table->addRow(array(
- sprintf('<info>%s</info>', $name),
- $command->getDescription(),
- $aliases,
- ));
- }
-
- $output->startPaging();
- if ($table instanceof TableHelper) {
- $table->render($output);
- } else {
- $table->render();
- }
- $output->stopPaging();
- }
- }
-}