57 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.9 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\ControllerMetadata;
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/**
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 * Builds {@see ArgumentMetadata} objects based on the given Controller.
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 *
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 * @author Iltar van der Berg <kjarli@gmail.com>
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 */
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final class ArgumentMetadataFactory implements ArgumentMetadataFactoryInterface
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{
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    public function createArgumentMetadata(string|object|array $controller, ?\ReflectionFunctionAbstract $reflector = null): array
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    {
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        $arguments = [];
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        $reflector ??= new \ReflectionFunction($controller(...));
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        foreach ($reflector->getParameters() as $param) {
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            $attributes = [];
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            foreach ($param->getAttributes() as $reflectionAttribute) {
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                if (class_exists($reflectionAttribute->getName())) {
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                    $attributes[] = $reflectionAttribute->newInstance();
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                }
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            }
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            $arguments[] = new ArgumentMetadata($param->getName(), $this->getType($param), $param->isVariadic(), $param->isDefaultValueAvailable(), $param->isDefaultValueAvailable() ? $param->getDefaultValue() : null, $param->allowsNull(), $attributes);
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        }
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        return $arguments;
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    }
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    /**
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     * Returns an associated type to the given parameter if available.
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     */
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    private function getType(\ReflectionParameter $parameter): ?string
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    {
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        if (!$type = $parameter->getType()) {
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            return null;
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        }
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        $name = $type instanceof \ReflectionNamedType ? $type->getName() : (string) $type;
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        return match (strtolower($name)) {
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            'self' => $parameter->getDeclaringClass()?->name,
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            'parent' => get_parent_class($parameter->getDeclaringClass()?->name ?? '') ?: null,
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            default => $name,
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        };
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    }
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}
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