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<?php |
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|
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/** |
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* This file is part of the ramsey/uuid library |
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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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* @copyright Copyright (c) Ben Ramsey <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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declare (strict_types=1); |
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namespace Dudlewebs\WPMCS\Ramsey\Uuid\Nonstandard; |
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|
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use Dudlewebs\WPMCS\Ramsey\Uuid\Exception\InvalidArgumentException; |
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use Dudlewebs\WPMCS\Ramsey\Uuid\Fields\SerializableFieldsTrait; |
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use Dudlewebs\WPMCS\Ramsey\Uuid\Rfc4122\FieldsInterface; |
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use Dudlewebs\WPMCS\Ramsey\Uuid\Rfc4122\VariantTrait; |
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use Dudlewebs\WPMCS\Ramsey\Uuid\Type\Hexadecimal; |
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use function bin2hex; |
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use function dechex; |
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use function hexdec; |
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use function sprintf; |
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use function str_pad; |
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use function strlen; |
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use function substr; |
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use const STR_PAD_LEFT; |
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/** |
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* Nonstandard UUID fields do not conform to the RFC 4122 standard |
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* |
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* Since some systems may create nonstandard UUIDs, this implements the |
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* Rfc4122\FieldsInterface, so that functionality of a nonstandard UUID is not |
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* degraded, in the event these UUIDs are expected to contain RFC 4122 fields. |
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* |
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* Internally, this class represents the fields together as a 16-byte binary |
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* string. |
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* |
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* @psalm-immutable |
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*/ |
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final class Fields implements FieldsInterface |
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{ |
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use SerializableFieldsTrait; |
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use VariantTrait; |
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/** |
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* @var string |
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*/ |
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private $bytes; |
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/** |
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* @param string $bytes A 16-byte binary string representation of a UUID |
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* |
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* @throws InvalidArgumentException if the byte string is not exactly 16 bytes |
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*/ |
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public function __construct(string $bytes) |
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{ |
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if (strlen($bytes) !== 16) { |
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throw new InvalidArgumentException('The byte string must be 16 bytes long; ' . 'received ' . strlen($bytes) . ' bytes'); |
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} |
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$this->bytes = $bytes; |
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} |
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public function getBytes(): string |
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{ |
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return $this->bytes; |
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} |
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public function getClockSeq(): Hexadecimal |
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{ |
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$clockSeq = hexdec(bin2hex(substr($this->bytes, 8, 2))) & 0x3fff; |
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return new Hexadecimal(str_pad(dechex($clockSeq), 4, '0', STR_PAD_LEFT)); |
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} |
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public function getClockSeqHiAndReserved(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 8, 1))); |
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} |
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public function getClockSeqLow(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 9, 1))); |
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} |
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public function getNode(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 10))); |
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} |
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public function getTimeHiAndVersion(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 6, 2))); |
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} |
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public function getTimeLow(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 0, 4))); |
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} |
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public function getTimeMid(): Hexadecimal |
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{ |
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return new Hexadecimal(bin2hex(substr($this->bytes, 4, 2))); |
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} |
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public function getTimestamp(): Hexadecimal |
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{ |
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return new Hexadecimal(sprintf('%03x%04s%08s', hexdec($this->getTimeHiAndVersion()->toString()) & 0xfff, $this->getTimeMid()->toString(), $this->getTimeLow()->toString())); |
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} |
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public function getVersion(): ?int |
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{ |
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return null; |
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} |
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public function isNil(): bool |
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{ |
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return \false; |
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} |
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} |
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