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[yaffs-website] / vendor / symfony / http-kernel / Controller / ArgumentResolver / DefaultValueResolver.php

diff --git a/vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php b/vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php
new file mode 100644 (file)
index 0000000..e58fd3a
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+++ b/vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php
@@ -0,0 +1,40 @@
+<?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\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields the default value defined in the action signature when no value has been given.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class DefaultValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        yield $argument->hasDefaultValue() ? $argument->getDefaultValue() : null;
+    }
+}