LazyCommand.php

<?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\Command;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Helper\HelperInterface;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
final class LazyCommand extends Command {
    private \Closure|Command $command;
    public function __construct(string $name, array $aliases, string $description, bool $isHidden, \Closure $commandFactory, ?bool $isEnabled = true) {
        $this->setName($name)
            ->setAliases($aliases)
            ->setHidden($isHidden)
            ->setDescription($description);
        $this->command = $commandFactory;
    }
    public function ignoreValidationErrors() : void {
        $this->getCommand()
            ->ignoreValidationErrors();
    }
    public function setApplication(?Application $application) : void {
        if ($this->command instanceof parent) {
            $this->command
                ->setApplication($application);
        }
        parent::setApplication($application);
    }
    public function setHelperSet(HelperSet $helperSet) : void {
        if ($this->command instanceof parent) {
            $this->command
                ->setHelperSet($helperSet);
        }
        parent::setHelperSet($helperSet);
    }
    public function isEnabled() : bool {
        return $this->isEnabled ?? $this->getCommand()
            ->isEnabled();
    }
    public function run(InputInterface $input, OutputInterface $output) : int {
        return $this->getCommand()
            ->run($input, $output);
    }
    public function complete(CompletionInput $input, CompletionSuggestions $suggestions) : void {
        $this->getCommand()
            ->complete($input, $suggestions);
    }
    public function setCode(callable $code) : static {
        $this->getCommand()
            ->setCode($code);
        return $this;
    }
    
    /**
     * @internal
     */
    public function mergeApplicationDefinition(bool $mergeArgs = true) : void {
        $this->getCommand()
            ->mergeApplicationDefinition($mergeArgs);
    }
    public function setDefinition(array|InputDefinition $definition) : static {
        $this->getCommand()
            ->setDefinition($definition);
        return $this;
    }
    public function getDefinition() : InputDefinition {
        return $this->getCommand()
            ->getDefinition();
    }
    public function getNativeDefinition() : InputDefinition {
        return $this->getCommand()
            ->getNativeDefinition();
    }
    
    /**
     * @param array|\Closure(CompletionInput,CompletionSuggestions):list<string|Suggestion> $suggestedValues The values used for input completion
     */
    public function addArgument(string $name, ?int $mode = null, string $description = '', mixed $default = null, array|\Closure $suggestedValues = []) : static {
        $this->getCommand()
            ->addArgument($name, $mode, $description, $default, $suggestedValues);
        return $this;
    }
    
    /**
     * @param array|\Closure(CompletionInput,CompletionSuggestions):list<string|Suggestion> $suggestedValues The values used for input completion
     */
    public function addOption(string $name, string|array|null $shortcut = null, ?int $mode = null, string $description = '', mixed $default = null, array|\Closure $suggestedValues = []) : static {
        $this->getCommand()
            ->addOption($name, $shortcut, $mode, $description, $default, $suggestedValues);
        return $this;
    }
    public function setProcessTitle(string $title) : static {
        $this->getCommand()
            ->setProcessTitle($title);
        return $this;
    }
    public function setHelp(string $help) : static {
        $this->getCommand()
            ->setHelp($help);
        return $this;
    }
    public function getHelp() : string {
        return $this->getCommand()
            ->getHelp();
    }
    public function getProcessedHelp() : string {
        return $this->getCommand()
            ->getProcessedHelp();
    }
    public function getSynopsis(bool $short = false) : string {
        return $this->getCommand()
            ->getSynopsis($short);
    }
    public function addUsage(string $usage) : static {
        $this->getCommand()
            ->addUsage($usage);
        return $this;
    }
    public function getUsages() : array {
        return $this->getCommand()
            ->getUsages();
    }
    public function getHelper(string $name) : HelperInterface {
        return $this->getCommand()
            ->getHelper($name);
    }
    public function getCommand() : parent {
        if (!$this->command instanceof \Closure) {
            return $this->command;
        }
        $command = $this->command = ($this->command)();
        $command->setApplication($this->getApplication());
        if (null !== $this->getHelperSet()) {
            $command->setHelperSet($this->getHelperSet());
        }
        $command->setName($this->getName())
            ->setAliases($this->getAliases())
            ->setHidden($this->isHidden())
            ->setDescription($this->getDescription());
        // Will throw if the command is not correctly initialized.
        $command->getDefinition();
        return $command;
    }

}