114 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			114 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			PHP
		
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\HttpKernel\Event;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\HttpKernelInterface;
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/**
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 * Allows filtering of a controller callable.
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 *
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 * You can call getController() to retrieve the current controller. With
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 * setController() you can set a new controller that is used in the processing
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 * of the request.
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 *
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 * Controllers should be callables.
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 *
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 * @author Bernhard Schussek <bschussek@gmail.com>
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 */
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final class ControllerEvent extends KernelEvent
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{
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    private string|array|object $controller;
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    private \ReflectionFunctionAbstract $controllerReflector;
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    private array $attributes;
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    public function __construct(HttpKernelInterface $kernel, callable $controller, Request $request, ?int $requestType)
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    {
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        parent::__construct($kernel, $request, $requestType);
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        $this->setController($controller);
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    }
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    public function getController(): callable
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    {
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        return $this->controller;
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    }
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    public function getControllerReflector(): \ReflectionFunctionAbstract
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    {
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        return $this->controllerReflector;
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    }
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    /**
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     * @param array<class-string, list<object>>|null $attributes
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     */
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    public function setController(callable $controller, ?array $attributes = null): void
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    {
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        if (null !== $attributes) {
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            $this->attributes = $attributes;
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        }
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        if (isset($this->controller) && ($controller instanceof \Closure ? $controller == $this->controller : $controller === $this->controller)) {
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            $this->controller = $controller;
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            return;
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        }
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        if (null === $attributes) {
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            unset($this->attributes);
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        }
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        if (\is_array($controller) && method_exists(...$controller)) {
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            $this->controllerReflector = new \ReflectionMethod(...$controller);
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        } elseif (\is_string($controller) && str_contains($controller, '::')) {
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            $this->controllerReflector = new \ReflectionMethod(...explode('::', $controller, 2));
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        } else {
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            $this->controllerReflector = new \ReflectionFunction($controller(...));
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        }
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        $this->controller = $controller;
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    }
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    /**
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     * @template T of class-string|null
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     *
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     * @param T $className
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     *
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     * @return array<class-string, list<object>>|list<object>
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     *
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     * @psalm-return (T is null ? array<class-string, list<object>> : list<object>)
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     */
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    public function getAttributes(?string $className = null): array
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    {
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        if (isset($this->attributes)) {
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            return null === $className ? $this->attributes : $this->attributes[$className] ?? [];
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        }
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        if (\is_array($this->controller) && method_exists(...$this->controller)) {
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            $class = new \ReflectionClass($this->controller[0]);
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        } elseif (\is_string($this->controller) && false !== $i = strpos($this->controller, '::')) {
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            $class = new \ReflectionClass(substr($this->controller, 0, $i));
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        } else {
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            $class = str_contains($this->controllerReflector->name, '{closure') ? null : (\PHP_VERSION_ID >= 80111 ? $this->controllerReflector->getClosureCalledClass() : $this->controllerReflector->getClosureScopeClass());
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        }
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        $this->attributes = [];
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        foreach (array_merge($class?->getAttributes() ?? [], $this->controllerReflector->getAttributes()) as $attribute) {
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            if (class_exists($attribute->getName())) {
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                $this->attributes[$attribute->getName()][] = $attribute->newInstance();
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            }
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        }
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        return null === $className ? $this->attributes : $this->attributes[$className] ?? [];
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    }
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}
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