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File Content: `InvokableCommand.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\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);
            }
        }
    }
}
Name	Size	Permission
Command.php	24049 bytes	0644
CompleteCommand.php	8957 bytes	0644
DumpCompletionCommand.php	5476 bytes	0644
HelpCommand.php	2572 bytes	0644
InvokableCommand.php	8555 bytes	0644
LazyCommand.php	5724 bytes	0644
ListCommand.php	2692 bytes	0644
LockableTrait.php	2445 bytes	0644
SignalableCommandInterface.php	915 bytes	0644
TraceableCommand.php	10565 bytes	0644
Command Bosku:

File Content: InvokableCommand.php

File Content: `InvokableCommand.php`
