FM / Generator

/home/techb158/dev.balacoffee.com/vendor/ramsey/uuid/src/Generator/

/home/techb158/dev.balacoffee.com/vendor/ramsey/uuid/src/Generator

Name	Size	Mode	Actions
CombGenerator.php	3195	0644	edit dl rm
DceSecurityGenerator.php	4448	0644	edit dl rm
DceSecurityGeneratorInterface.php	1748	0644	edit dl rm
DefaultNameGenerator.php	1267	0644	edit dl rm
DefaultTimeGenerator.php	3891	0644	edit dl rm
NameGeneratorFactory.php	698	0644	edit dl rm
NameGeneratorInterface.php	1066	0644	edit dl rm
PeclUuidNameGenerator.php	1352	0644	edit dl rm
PeclUuidRandomGenerator.php	807	0644	edit dl rm
PeclUuidTimeGenerator.php	873	0644	edit dl rm
RandomBytesGenerator.php	1144	0644	edit dl rm
RandomGeneratorFactory.php	708	0644	edit dl rm
RandomGeneratorInterface.php	735	0644	edit dl rm
RandomLibAdapter.php	1558	0644	edit dl rm
TimeGeneratorFactory.php	1161	0644	edit dl rm
TimeGeneratorInterface.php	1158	0644	edit dl rm
UnixTimeGenerator.php	5973	0644	edit dl rm

Edit: /home/techb158/dev.balacoffee.com/vendor/ramsey/uuid/src/Generator/DefaultTimeGenerator.php (3891B)

<?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\Generator;

use Ramsey\Uuid\Converter\TimeConverterInterface;
use Ramsey\Uuid\Exception\InvalidArgumentException;
use Ramsey\Uuid\Exception\RandomSourceException;
use Ramsey\Uuid\Exception\TimeSourceException;
use Ramsey\Uuid\Provider\NodeProviderInterface;
use Ramsey\Uuid\Provider\TimeProviderInterface;
use Ramsey\Uuid\Type\Hexadecimal;
use Throwable;

use function dechex;
use function hex2bin;
use function is_int;
use function pack;
use function preg_match;
use function sprintf;
use function str_pad;
use function strlen;

use const STR_PAD_LEFT;

/**
 * DefaultTimeGenerator generates strings of binary data based on a node ID,
 * clock sequence, and the current time
 */
class DefaultTimeGenerator implements TimeGeneratorInterface
{
    public function __construct(
        private NodeProviderInterface $nodeProvider,
        private TimeConverterInterface $timeConverter,
        private TimeProviderInterface $timeProvider
    ) {
    }

/**
     * @throws InvalidArgumentException if the parameters contain invalid values
     * @throws RandomSourceException if random_int() throws an exception/error
     *
     * @inheritDoc
     */
    public function generate($node = null, ?int $clockSeq = null): string
    {
        if ($node instanceof Hexadecimal) {
            $node = $node->toString();
        }

$node = $this->getValidNode($node);

if ($clockSeq === null) {
            try {
                // This does not use "stable storage"; see RFC 4122, Section 4.2.1.1.
                $clockSeq = random_int(0, 0x3fff);
            } catch (Throwable $exception) {
                throw new RandomSourceException(
                    $exception->getMessage(),
                    (int) $exception->getCode(),
                    $exception
                );
            }
        }

$time = $this->timeProvider->getTime();

$uuidTime = $this->timeConverter->calculateTime(
            $time->getSeconds()->toString(),
            $time->getMicroseconds()->toString()
        );

$timeHex = str_pad($uuidTime->toString(), 16, '0', STR_PAD_LEFT);

if (strlen($timeHex) !== 16) {
            throw new TimeSourceException(sprintf(
                'The generated time of \'%s\' is larger than expected',
                $timeHex
            ));
        }

$timeBytes = (string) hex2bin($timeHex);

return $timeBytes[4] . $timeBytes[5] . $timeBytes[6] . $timeBytes[7]
            . $timeBytes[2] . $timeBytes[3]
            . $timeBytes[0] . $timeBytes[1]
            . pack('n*', $clockSeq)
            . $node;
    }

/**
     * Uses the node provider given when constructing this instance to get
     * the node ID (usually a MAC address)
     *
     * @param int|string|null $node A node value that may be used to override the node provider
     *
     * @return string 6-byte binary string representation of the node
     *
     * @throws InvalidArgumentException
     */
    private function getValidNode(int | string | null $node): string
    {
        if ($node === null) {
            $node = $this->nodeProvider->getNode();
        }

// Convert the node to hex, if it is still an integer.
        if (is_int($node)) {
            $node = dechex($node);
        }

if (!preg_match('/^[A-Fa-f0-9]+$/', (string) $node) || strlen((string) $node) > 12) {
            throw new InvalidArgumentException('Invalid node value');
        }

return (string) hex2bin(str_pad((string) $node, 12, '0', STR_PAD_LEFT));
    }
}

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