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File / Folder	Size	Action
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Command.php	23.485KB	edt ren
CompleteCommand.php	8.747KB	edt ren
DumpCompletionCommand.php	5.348KB	edt ren
HelpCommand.php	2.512KB	edt ren
InvokableCommand.php	8.354KB	edt ren
LazyCommand.php	5.59KB	edt ren
ListCommand.php	2.629KB	edt ren
LockableTrait.php	2.388KB	edt ren
SignalableCommandInterf...	0.894KB	edt ren
TraceableCommand.php	10.317KB	edt ren

<?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\Attribute\Argument;
use Symfony\Component\Console\Attribute\Interact;
use Symfony\Component\Console\Attribute\MapInput;
use Symfony\Component\Console\Attribute\Option;
use Symfony\Component\Console\Cursor;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Exception\RuntimeException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Interaction\Interaction;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

/**
 * Represents an invokable command.
 *
 * @author Yonel Ceruto <open@yceruto.dev>
 *
 * @internal
 */
class InvokableCommand implements SignalableCommandInterface
{
    private readonly ?SignalableCommandInterface $signalableCommand;
    private readonly \ReflectionFunction $invokable;
    /**
     * @var list<Interaction>|null
     */
    private ?array $interactions = null;
    private bool $triggerDeprecations = false;
    private $code;

public function __construct(
        private readonly Command $command,
        callable $code,
    ) {
        $this->code = $code;
        $this->signalableCommand = $code instanceof SignalableCommandInterface ? $code : null;
        $this->invokable = new \ReflectionFunction($this->getClosure($code));
    }

/**
     * Invokes a callable with parameters generated from the input interface.
     */
    public function __invoke(InputInterface $input, OutputInterface $output): int
    {
        $statusCode = $this->invokable->invoke(...$this->getParameters($this->invokable, $input, $output));

if (!\is_int($statusCode)) {
            if ($this->triggerDeprecations) {
                trigger_deprecation('symfony/console', '7.3', \sprintf('Returning a non-integer value from the command "%s" is deprecated and will throw an exception in Symfony 8.0.', $this->command->getName()));

return 0;
            }

throw new \TypeError(\sprintf('The command "%s" must return an integer value in the "%s" method, but "%s" was returned.', $this->command->getName(), $this->invokable->getName(), get_debug_type($statusCode)));
        }

return $statusCode;
    }

/**
     * Configures the input definition from an invokable-defined function.
     *
     * Processes the parameters of the reflection function to extract and
     * add arguments or options to the provided input definition.
     */
    public function configure(InputDefinition $definition): void
    {
        foreach ($this->invokable->getParameters() as $parameter) {
            if ($argument = Argument::tryFrom($parameter)) {
                $definition->addArgument($argument->toInputArgument());
                continue;
            }

if ($option = Option::tryFrom($parameter)) {
                $definition->addOption($option->toInputOption());
                continue;
            }

if ($input = MapInput::tryFrom($parameter)) {
                $inputArguments = array_map(fn (Argument $a) => $a->toInputArgument(), iterator_to_array($input->getArguments(), false));

// make sure optional arguments are defined after required ones
                usort($inputArguments, fn (InputArgument $a, InputArgument $b) => (int) $b->isRequired() - (int) $a->isRequired());

foreach ($inputArguments as $inputArgument) {
                    $definition->addArgument($inputArgument);
                }

foreach ($input->getOptions() as $option) {
                    $definition->addOption($option->toInputOption());
                }
            }
        }
    }

public function getCode(): callable
    {
        return $this->code;
    }

private function getClosure(callable $code): \Closure
    {
        if (!$code instanceof \Closure) {
            return $code(...);
        }

$this->triggerDeprecations = true;

if (null !== (new \ReflectionFunction($code))->getClosureThis()) {
            return $code;
        }

set_error_handler(static function () {});
        try {
            if ($c = \Closure::bind($code, $this->command)) {
                $code = $c;
            }
        } finally {
            restore_error_handler();
        }

return $code;
    }

private function getParameters(\ReflectionFunction $function, InputInterface $input, OutputInterface $output): array
    {
        $parameters = [];
        foreach ($function->getParameters() as $parameter) {
            if ($argument = Argument::tryFrom($parameter)) {
                $parameters[] = $argument->resolveValue($input);

continue;
            }

if ($option = Option::tryFrom($parameter)) {
                $parameters[] = $option->resolveValue($input);

continue;
            }

if ($in = MapInput::tryFrom($parameter)) {
                $parameters[] = $in->resolveValue($input);

continue;
            }

$type = $parameter->getType();

if (!$type instanceof \ReflectionNamedType) {
                if ($this->triggerDeprecations) {
                    trigger_deprecation('symfony/console', '7.3', \sprintf('Omitting the type declaration for the parameter "$%s" is deprecated and will throw an exception in Symfony 8.0.', $parameter->getName()));

continue;
                }

throw new LogicException(\sprintf('The parameter "$%s" must have a named type. Untyped, Union or Intersection types are not supported.', $parameter->getName()));
            }

$parameters[] = match ($type->getName()) {
                InputInterface::class => $input,
                OutputInterface::class => $output,
                Cursor::class => new Cursor($output),
                SymfonyStyle::class => new SymfonyStyle($input, $output),
                Application::class => $this->command->getApplication(),
                default => throw new RuntimeException(\sprintf('Unsupported type "%s" for parameter "$%s".', $type->getName(), $parameter->getName())),
            };
        }

return $parameters ?: [$input, $output];
    }

public function getSubscribedSignals(): array
    {
        return $this->signalableCommand?->getSubscribedSignals() ?? [];
    }

public function handleSignal(int $signal, int|false $previousExitCode = 0): int|false
    {
        return $this->signalableCommand?->handleSignal($signal, $previousExitCode) ?? false;
    }

public function isInteractive(): bool
    {
        if (null === $this->interactions) {
            $this->collectInteractions();
        }

return [] !== $this->interactions;
    }

public function interact(InputInterface $input, OutputInterface $output): void
    {
        if (null === $this->interactions) {
            $this->collectInteractions();
        }

foreach ($this->interactions as $interaction) {
            $interaction->interact($input, $output, $this->getParameters(...));
        }
    }

private function collectInteractions(): void
    {
        $invokableThis = $this->invokable->getClosureThis();

$this->interactions = [];
        foreach ($this->invokable->getParameters() as $parameter) {
            if ($spec = Argument::tryFrom($parameter)) {
                if ($attribute = $spec->getInteractiveAttribute()) {
                    $this->interactions[] = new Interaction($invokableThis, $attribute);
                }

continue;
            }

if ($spec = MapInput::tryFrom($parameter)) {
                $this->interactions = [...$this->interactions, ...$spec->getPropertyInteractions(), ...$spec->getMethodInteractions()];
            }
        }

if (!$class = $this->invokable->getClosureCalledClass()) {
            return;
        }

foreach ($class->getMethods() as $method) {
            if ($attribute = Interact::tryFrom($method)) {
                $this->interactions[] = new Interaction($invokableThis, $attribute);
            }
        }
    }
}

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