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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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|
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declare(strict_types=1); |
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|
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namespace Ramsey\Uuid\Codec; |
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|
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use Ramsey\Uuid\Guid\Guid; |
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use Ramsey\Uuid\UuidInterface; |
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|
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use function bin2hex; |
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use function sprintf; |
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use function substr; |
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|
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/** |
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* GuidStringCodec encodes and decodes globally unique identifiers (GUID) |
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* |
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* @see Guid |
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* |
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* @immutable |
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*/ |
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class GuidStringCodec extends StringCodec |
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{ |
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public function encode(UuidInterface $uuid): string |
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{ |
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/** @phpstan-ignore possiblyImpure.methodCall */ |
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$hex = bin2hex($uuid->getFields()->getBytes()); |
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|
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/** @var non-empty-string */ |
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return sprintf( |
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'%02s%02s%02s%02s-%02s%02s-%02s%02s-%04s-%012s', |
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substr($hex, 6, 2), |
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substr($hex, 4, 2), |
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substr($hex, 2, 2), |
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substr($hex, 0, 2), |
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substr($hex, 10, 2), |
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substr($hex, 8, 2), |
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substr($hex, 14, 2), |
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substr($hex, 12, 2), |
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substr($hex, 16, 4), |
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substr($hex, 20), |
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); |
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} |
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|
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public function decode(string $encodedUuid): UuidInterface |
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{ |
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/** @phpstan-ignore possiblyImpure.methodCall */ |
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$bytes = $this->getBytes($encodedUuid); |
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|
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/** @phpstan-ignore possiblyImpure.methodCall, possiblyImpure.methodCall */ |
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return $this->getBuilder()->build($this, $this->swapBytes($bytes)); |
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} |
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|
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public function decodeBytes(string $bytes): UuidInterface |
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{ |
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// Call parent::decode() to preserve the correct byte order. |
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return parent::decode(bin2hex($bytes)); |
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} |
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|
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/** |
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* Swaps bytes according to the GUID rules |
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*/ |
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private function swapBytes(string $bytes): string |
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{ |
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return $bytes[3] . $bytes[2] . $bytes[1] . $bytes[0] |
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. $bytes[5] . $bytes[4] . $bytes[7] . $bytes[6] |
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. substr($bytes, 8); |
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} |
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} |
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|
