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