<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 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\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(['?'])
            ->setDefinition([
                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 $command)
    {
        $this->command = $command;
    }

    /**
     * {@inheritdoc}
     *
     * @return int 0 if everything went fine, or an exit code
     */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        if ($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([
                    \sprintf('<info>%s</info>', $name),
                    $command->getDescription(),
                    $aliases,
                ]);
            }

            if ($output instanceof ShellOutput) {
                $output->startPaging();
            }

            $table->render();

            if ($output instanceof ShellOutput) {
                $output->stopPaging();
            }
        }

        return 0;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox