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Filename : VirtualRequestStack.php
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<?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\HttpKernel\Debug;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;

/**
 * A stack able to deal with virtual requests.
 *
 * @internal
 *
 * @author Jules Pietri <jules@heahprod.com>
 */
final class VirtualRequestStack extends RequestStack
{
    public function __construct(
        private readonly RequestStack $decorated,
    ) {
    }

    public function push(Request $request): void
    {
        if ($request->attributes->has('_virtual_type')) {
            if ($this->decorated->getCurrentRequest()) {
                throw new \LogicException('Cannot mix virtual and HTTP requests.');
            }

            parent::push($request);

            return;
        }

        $this->decorated->push($request);
    }

    public function pop(): ?Request
    {
        return $this->decorated->pop() ?? parent::pop();
    }

    public function getCurrentRequest(): ?Request
    {
        return $this->decorated->getCurrentRequest() ?? parent::getCurrentRequest();
    }

    public function getMainRequest(): ?Request
    {
        return $this->decorated->getMainRequest() ?? parent::getMainRequest();
    }

    public function getParentRequest(): ?Request
    {
        return $this->decorated->getParentRequest() ?? parent::getParentRequest();
    }
}