79 lines
2.6 KiB
PHP
79 lines
2.6 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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/**
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* {@inheritdoc}
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*/
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public function createArgumentMetadata($controller): array
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{
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$arguments = [];
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if (\is_array($controller)) {
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$reflection = new \ReflectionMethod($controller[0], $controller[1]);
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$class = $reflection->class;
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} elseif (\is_object($controller) && !$controller instanceof \Closure) {
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$reflection = new \ReflectionMethod($controller, '__invoke');
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$class = $reflection->class;
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} else {
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$reflection = new \ReflectionFunction($controller);
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if ($class = str_contains($reflection->name, '{closure}') ? null : $reflection->getClosureScopeClass()) {
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$class = $class->name;
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}
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}
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foreach ($reflection->getParameters() as $param) {
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$attributes = [];
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if (\PHP_VERSION_ID >= 80000) {
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foreach ($param->getAttributes() as $reflectionAttribute) {
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if (class_exists($reflectionAttribute->getName())) {
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$attributes[] = $reflectionAttribute->newInstance();
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}
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}
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}
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$arguments[] = new ArgumentMetadata($param->getName(), $this->getType($param, $class), $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 $class): ?string
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{
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if (!$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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if (null !== $class) {
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switch (strtolower($name)) {
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case 'self':
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return $class;
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case 'parent':
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return get_parent_class($class) ?: null;
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}
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}
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return $name;
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}
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}
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