52 lines
1.2 KiB
PHP
52 lines
1.2 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Config\Definition\Builder;
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use Symfony\Component\Config\Definition\BooleanNode;
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use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
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/**
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* This class provides a fluent interface for defining a node.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class BooleanNodeDefinition extends ScalarNodeDefinition
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{
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/**
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* {@inheritdoc}
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*/
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public function __construct(?string $name, NodeParentInterface $parent = null)
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{
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parent::__construct($name, $parent);
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$this->nullEquivalent = true;
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}
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/**
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* Instantiate a Node.
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*/
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protected function instantiateNode(): BooleanNode
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{
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return new BooleanNode($this->name, $this->parent, $this->pathSeparator);
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}
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/**
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* {@inheritdoc}
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*
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* @throws InvalidDefinitionException
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*/
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public function cannotBeEmpty(): static
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{
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throw new InvalidDefinitionException('->cannotBeEmpty() is not applicable to BooleanNodeDefinition.');
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}
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}
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