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<?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;
public function __construct(string $name, ?string $type, bool $isVariadic, bool $hasDefaultValue, $defaultValue, bool $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;
}
}