--- /dev/null
+<?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\ControllerMetadata;
+
+/**
+ * Responsible for storing metadata of an argument.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+class ArgumentMetadata
+{
+ private $name;
+ private $type;
+ private $isVariadic;
+ private $hasDefaultValue;
+ private $defaultValue;
+ private $isNullable;
+
+ /**
+ * @param string $name
+ * @param string $type
+ * @param bool $isVariadic
+ * @param bool $hasDefaultValue
+ * @param mixed $defaultValue
+ * @param bool $isNullable
+ */
+ public function __construct($name, $type, $isVariadic, $hasDefaultValue, $defaultValue, $isNullable = false)
+ {
+ $this->name = $name;
+ $this->type = $type;
+ $this->isVariadic = $isVariadic;
+ $this->hasDefaultValue = $hasDefaultValue;
+ $this->defaultValue = $defaultValue;
+ $this->isNullable = $isNullable || null === $type || ($hasDefaultValue && null === $defaultValue);
+ }
+
+ /**
+ * Returns the name as given in PHP, $foo would yield "foo".
+ *
+ * @return string
+ */
+ public function getName()
+ {
+ return $this->name;
+ }
+
+ /**
+ * Returns the type of the argument.
+ *
+ * The type is the PHP class in 5.5+ and additionally the basic type in PHP 7.0+.
+ *
+ * @return string
+ */
+ public function getType()
+ {
+ return $this->type;
+ }
+
+ /**
+ * Returns whether the argument is defined as "...$variadic".
+ *
+ * @return bool
+ */
+ public function isVariadic()
+ {
+ return $this->isVariadic;
+ }
+
+ /**
+ * Returns whether the argument has a default value.
+ *
+ * Implies whether an argument is optional.
+ *
+ * @return bool
+ */
+ public function hasDefaultValue()
+ {
+ return $this->hasDefaultValue;
+ }
+
+ /**
+ * Returns whether the argument accepts null values.
+ *
+ * @return bool
+ */
+ public function isNullable()
+ {
+ return $this->isNullable;
+ }
+
+ /**
+ * Returns the default value of the argument.
+ *
+ * @throws \LogicException if no default value is present; {@see self::hasDefaultValue()}
+ *
+ * @return mixed
+ */
+ public function getDefaultValue()
+ {
+ if (!$this->hasDefaultValue) {
+ throw new \LogicException(sprintf('Argument $%s does not have a default value. Use %s::hasDefaultValue() to avoid this exception.', $this->name, __CLASS__));
+ }
+
+ return $this->defaultValue;
+ }
+}