comparison vendor/symfony/http-kernel/Controller/ArgumentResolver.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * 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 <[e-mail]>
+ */
+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(),
+        );
+    }
+}