71 lines
2.5 KiB
PHP
71 lines
2.5 KiB
PHP
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<?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\Controller;
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use Symfony\Component\HttpFoundation\Request;
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/**
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* Responsible for the creation of the action arguments.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class ArgumentResolver implements ArgumentResolverInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function getArguments(Request $request, $controller)
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{
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if (is_array($controller)) {
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$r = new \ReflectionMethod($controller[0], $controller[1]);
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} elseif (is_object($controller) && !$controller instanceof \Closure) {
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$r = new \ReflectionObject($controller);
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$r = $r->getMethod('__invoke');
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} else {
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$r = new \ReflectionFunction($controller);
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}
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return $this->doGetArguments($request, $controller, $r->getParameters());
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}
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protected function doGetArguments(Request $request, $controller, array $parameters)
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{
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$attributes = $request->attributes->all();
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$arguments = array();
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foreach ($parameters as $param) {
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if (array_key_exists($param->name, $attributes)) {
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if (PHP_VERSION_ID >= 50600 && $param->isVariadic() && is_array($attributes[$param->name])) {
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$arguments = array_merge($arguments, array_values($attributes[$param->name]));
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} else {
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$arguments[] = $attributes[$param->name];
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}
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} elseif ($param->getClass() && $param->getClass()->isInstance($request)) {
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$arguments[] = $request;
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} elseif ($param->isDefaultValueAvailable()) {
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$arguments[] = $param->getDefaultValue();
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} else {
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if (is_array($controller)) {
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$repr = sprintf('%s::%s()', get_class($controller[0]), $controller[1]);
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} elseif (is_object($controller)) {
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$repr = get_class($controller);
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} else {
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$repr = $controller;
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}
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throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument (because there is no default value or because there is a non optional argument after this one).', $repr, $param->name));
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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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