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GenericValidator.php000064400000002552151520660660010512 0ustar00<?php

/**
 * This file is part of the ramsey/uuid library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Uuid\Validator;

use Ramsey\Uuid\Uuid;

use function preg_match;
use function str_replace;

/**
 * GenericValidator validates strings as UUIDs of any variant
 *
 * @psalm-immutable
 */
final class GenericValidator implements ValidatorInterface
{
    /**
     * Regular expression pattern for matching a UUID of any variant.
     */
    private const VALID_PATTERN = '\A[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\z';

    /**
     * @psalm-return non-empty-string
     * @psalm-suppress MoreSpecificReturnType we know that the retrieved `string` is never empty
     * @psalm-suppress LessSpecificReturnStatement we know that the retrieved `string` is never empty
     */
    public function getPattern(): string
    {
        return self::VALID_PATTERN;
    }

    public function validate(string $uuid): bool
    {
        $uuid = str_replace(['urn:', 'uuid:', 'URN:', 'UUID:', '{', '}'], '', $uuid);

        return $uuid === Uuid::NIL || preg_match('/' . self::VALID_PATTERN . '/Dms', $uuid);
    }
}
ValidatorInterface.php000064400000001760151520660660011036 0ustar00<?php

/**
 * This file is part of the ramsey/uuid library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Uuid\Validator;

/**
 * A validator validates a string as a proper UUID
 *
 * @psalm-immutable
 */
interface ValidatorInterface
{
    /**
     * Returns the regular expression pattern used by this validator
     *
     * @return string The regular expression pattern this validator uses
     *
     * @psalm-return non-empty-string
     */
    public function getPattern(): string;

    /**
     * Returns true if the provided string represents a UUID
     *
     * @param string $uuid The string to validate as a UUID
     *
     * @return bool True if the string is a valid UUID, false otherwise
     */
    public function validate(string $uuid): bool;
}
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