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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