54 lines
1.3 KiB
PHP
54 lines
1.3 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\BooleanNode;
|
|
use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
|
|
|
|
/**
|
|
* This class provides a fluent interface for defining a node.
|
|
*
|
|
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
|
|
*/
|
|
class BooleanNodeDefinition extends ScalarNodeDefinition
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function __construct(?string $name, NodeParentInterface $parent = null)
|
|
{
|
|
parent::__construct($name, $parent);
|
|
|
|
$this->nullEquivalent = true;
|
|
}
|
|
|
|
/**
|
|
* Instantiate a Node.
|
|
*
|
|
* @return BooleanNode
|
|
*/
|
|
protected function instantiateNode()
|
|
{
|
|
return new BooleanNode($this->name, $this->parent, $this->pathSeparator);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*
|
|
* @throws InvalidDefinitionException
|
|
*/
|
|
public function cannotBeEmpty()
|
|
{
|
|
throw new InvalidDefinitionException('->cannotBeEmpty() is not applicable to BooleanNodeDefinition.');
|
|
}
|
|
}
|