66 lines
1.7 KiB
PHP
66 lines
1.7 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;
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use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
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/**
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* Node which only allows a finite set of values.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class EnumNode extends ScalarNode
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{
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private array $values;
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public function __construct(?string $name, NodeInterface $parent = null, array $values = [], string $pathSeparator = BaseNode::DEFAULT_PATH_SEPARATOR)
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{
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$values = array_unique($values);
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if (empty($values)) {
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throw new \InvalidArgumentException('$values must contain at least one element.');
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}
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parent::__construct($name, $parent, $pathSeparator);
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$this->values = $values;
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}
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public function getValues()
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{
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return $this->values;
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}
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/**
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* {@inheritdoc}
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*/
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protected function finalizeValue(mixed $value): mixed
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{
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$value = parent::finalizeValue($value);
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if (!\in_array($value, $this->values, true)) {
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$ex = new InvalidConfigurationException(sprintf('The value %s is not allowed for path "%s". Permissible values: %s', json_encode($value), $this->getPath(), implode(', ', array_map('json_encode', $this->values))));
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$ex->setPath($this->getPath());
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throw $ex;
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}
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return $value;
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}
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/**
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* {@inheritdoc}
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*/
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protected function allowPlaceholders(): bool
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{
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return false;
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}
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}
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