95 lines
3.5 KiB
PHP
95 lines
3.5 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\HttpKernel\Controller;
|
|
|
|
use Symfony\Component\HttpFoundation\Request;
|
|
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver;
|
|
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestAttributeValueResolver;
|
|
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestValueResolver;
|
|
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\SessionValueResolver;
|
|
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\VariadicValueResolver;
|
|
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory;
|
|
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactoryInterface;
|
|
|
|
/**
|
|
* Responsible for resolving the arguments passed to an action.
|
|
*
|
|
* @author Iltar van der Berg <kjarli@gmail.com>
|
|
*/
|
|
final class ArgumentResolver implements ArgumentResolverInterface
|
|
{
|
|
private $argumentMetadataFactory;
|
|
|
|
/**
|
|
* @var iterable|ArgumentValueResolverInterface[]
|
|
*/
|
|
private $argumentValueResolvers;
|
|
|
|
public function __construct(ArgumentMetadataFactoryInterface $argumentMetadataFactory = null, $argumentValueResolvers = array())
|
|
{
|
|
$this->argumentMetadataFactory = $argumentMetadataFactory ?: new ArgumentMetadataFactory();
|
|
$this->argumentValueResolvers = $argumentValueResolvers ?: self::getDefaultArgumentValueResolvers();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getArguments(Request $request, $controller)
|
|
{
|
|
$arguments = array();
|
|
|
|
foreach ($this->argumentMetadataFactory->createArgumentMetadata($controller) as $metadata) {
|
|
foreach ($this->argumentValueResolvers as $resolver) {
|
|
if (!$resolver->supports($request, $metadata)) {
|
|
continue;
|
|
}
|
|
|
|
$resolved = $resolver->resolve($request, $metadata);
|
|
|
|
if (!$resolved instanceof \Generator) {
|
|
throw new \InvalidArgumentException(sprintf('%s::resolve() must yield at least one value.', \get_class($resolver)));
|
|
}
|
|
|
|
foreach ($resolved as $append) {
|
|
$arguments[] = $append;
|
|
}
|
|
|
|
// continue to the next controller argument
|
|
continue 2;
|
|
}
|
|
|
|
$representative = $controller;
|
|
|
|
if (\is_array($representative)) {
|
|
$representative = sprintf('%s::%s()', \get_class($representative[0]), $representative[1]);
|
|
} elseif (\is_object($representative)) {
|
|
$representative = \get_class($representative);
|
|
}
|
|
|
|
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()));
|
|
}
|
|
|
|
return $arguments;
|
|
}
|
|
|
|
public static function getDefaultArgumentValueResolvers()
|
|
{
|
|
return array(
|
|
new RequestAttributeValueResolver(),
|
|
new RequestValueResolver(),
|
|
new SessionValueResolver(),
|
|
new DefaultValueResolver(),
|
|
new VariadicValueResolver(),
|
|
);
|
|
}
|
|
}
|