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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Rules; |
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use Respect\Validation\Exceptions\ComponentException; |
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use function is_string; |
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use function preg_match; |
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use function sprintf; |
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/** |
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* Validates whether the input is a valid UUID. |
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* |
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* It also supports validation of specific versions 1, 3, 4 and 5. |
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* |
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* @author Dick van der Heiden <[email protected]> |
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* @author Henrique Moody <[email protected]> |
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* @author Michael Weimann <[email protected]> |
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*/ |
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final class Uuid extends AbstractRule |
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{ |
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/** |
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* Placeholder in "sprintf()" format used to create the REGEX that validates inputs. |
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*/ |
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private const PATTERN_FORMAT = '/^[0-9a-f]{8}-[0-9a-f]{4}-%s[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i'; |
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/** |
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* The UUID version to validate for. |
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* |
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* @var int|null |
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*/ |
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private $version; |
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/** |
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* Initializes the rule with the desired version. |
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* |
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* @param int|null $version |
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* |
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* @throws ComponentException when the version is not valid |
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*/ |
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public function __construct(int $version = null) |
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{ |
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if (null !== $version && !$this->isSupportedVersion($version)) { |
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throw new ComponentException(sprintf('Only versions 1, 3, 4, and 5 are supported: %d given', $version)); |
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} |
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$this->version = $version; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($input): bool |
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{ |
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if (!is_string($input)) { |
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return false; |
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} |
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return preg_match($this->getPattern(), $input) > 0; |
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} |
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private function isSupportedVersion(int $version): bool |
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{ |
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return $version >= 1 && $version <= 5 && 2 !== $version; |
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} |
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private function getPattern(): string |
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{ |
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if (null !== $this->version) { |
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return sprintf(self::PATTERN_FORMAT, $this->version); |
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} |
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return sprintf(self::PATTERN_FORMAT, '[13-5]'); |
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} |
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} |
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Respect /
Validation
