101 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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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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| 
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| namespace Symfony\Component\HttpKernel\Controller;
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| 
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| use Symfony\Component\HttpFoundation\Request;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestAttributeValueResolver;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestValueResolver;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\SessionValueResolver;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver;
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| use Symfony\Component\HttpKernel\Controller\ArgumentResolver\VariadicValueResolver;
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| use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory;
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| use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactoryInterface;
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| 
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| /**
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|  * Responsible for resolving the arguments passed to an action.
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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 ArgumentResolver implements ArgumentResolverInterface
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| {
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|     private ArgumentMetadataFactoryInterface $argumentMetadataFactory;
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|     private iterable $argumentValueResolvers;
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| 
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|     /**
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|      * @param iterable<mixed, ArgumentValueResolverInterface|ValueResolverInterface> $argumentValueResolvers
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|      */
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|     public function __construct(ArgumentMetadataFactoryInterface $argumentMetadataFactory = null, iterable $argumentValueResolvers = [])
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|     {
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|         $this->argumentMetadataFactory = $argumentMetadataFactory ?? new ArgumentMetadataFactory();
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|         $this->argumentValueResolvers = $argumentValueResolvers ?: self::getDefaultArgumentValueResolvers();
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|     }
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| 
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|     public function getArguments(Request $request, callable $controller, \ReflectionFunctionAbstract $reflector = null): array
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|     {
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|         $arguments = [];
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| 
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|         foreach ($this->argumentMetadataFactory->createArgumentMetadata($controller, $reflector) as $metadata) {
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|             foreach ($this->argumentValueResolvers as $resolver) {
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|                 if ((!$resolver instanceof ValueResolverInterface || $resolver instanceof TraceableValueResolver) && !$resolver->supports($request, $metadata)) {
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|                     continue;
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|                 }
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| 
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|                 $count = 0;
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|                 foreach ($resolver->resolve($request, $metadata) as $argument) {
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|                     ++$count;
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|                     $arguments[] = $argument;
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|                 }
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| 
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|                 if (1 < $count && !$metadata->isVariadic()) {
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|                     throw new \InvalidArgumentException(sprintf('"%s::resolve()" must yield at most one value for non-variadic arguments.', get_debug_type($resolver)));
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|                 }
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| 
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|                 if ($count) {
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|                     // continue to the next controller argument
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|                     continue 2;
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|                 }
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| 
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|                 if (!$resolver instanceof ValueResolverInterface) {
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|                     throw new \InvalidArgumentException(sprintf('"%s::resolve()" must yield at least one value.', get_debug_type($resolver)));
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|                 }
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|             }
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| 
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|             $representative = $controller;
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| 
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|             if (\is_array($representative)) {
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|                 $representative = sprintf('%s::%s()', \get_class($representative[0]), $representative[1]);
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|             } elseif (\is_object($representative)) {
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|                 $representative = get_debug_type($representative);
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|             }
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| 
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|             throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument. Either the argument is nullable and no null value has been provided, no default value has been provided or because there is a non optional argument after this one.', $representative, $metadata->getName()));
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|         }
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| 
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|         return $arguments;
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|     }
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| 
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|     /**
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|      * @return iterable<int, ArgumentValueResolverInterface>
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|      */
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|     public static function getDefaultArgumentValueResolvers(): iterable
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|     {
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|         return [
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|             new RequestAttributeValueResolver(),
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|             new RequestValueResolver(),
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|             new SessionValueResolver(),
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|             new DefaultValueResolver(),
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|             new VariadicValueResolver(),
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|         ];
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|     }
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| }
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