57 lines
1.2 KiB
PHP
57 lines
1.2 KiB
PHP
<?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\Config\Definition\Builder;
|
|
|
|
use Symfony\Component\Config\Definition\EnumNode;
|
|
|
|
/**
|
|
* Enum Node Definition.
|
|
*
|
|
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
|
|
*/
|
|
class EnumNodeDefinition extends ScalarNodeDefinition
|
|
{
|
|
private $values;
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function values(array $values)
|
|
{
|
|
$values = array_unique($values);
|
|
|
|
if (empty($values)) {
|
|
throw new \InvalidArgumentException('->values() must be called with at least one value.');
|
|
}
|
|
|
|
$this->values = $values;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Instantiate a Node.
|
|
*
|
|
* @return EnumNode The node
|
|
*
|
|
* @throws \RuntimeException
|
|
*/
|
|
protected function instantiateNode()
|
|
{
|
|
if (null === $this->values) {
|
|
throw new \RuntimeException('You must call ->values() on enum nodes.');
|
|
}
|
|
|
|
return new EnumNode($this->name, $this->parent, $this->values);
|
|
}
|
|
}
|