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