diff options
author | Mario Vavti <mario@mariovavti.com> | 2018-08-28 12:00:23 +0200 |
---|---|---|
committer | Mario Vavti <mario@mariovavti.com> | 2018-08-28 12:00:23 +0200 |
commit | c0c827d3ad2c8364d35fff5546ab40ea76bbbbd9 (patch) | |
tree | 34bb14bb6046ce98bd6ad759b9c57624b2be7d34 /vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php | |
parent | 6a2bbed73dfb34975c4525c34c03f20c6945dedc (diff) | |
download | volse-hubzilla-c0c827d3ad2c8364d35fff5546ab40ea76bbbbd9.tar.gz volse-hubzilla-c0c827d3ad2c8364d35fff5546ab40ea76bbbbd9.tar.bz2 volse-hubzilla-c0c827d3ad2c8364d35fff5546ab40ea76bbbbd9.zip |
update composer libs and add ramsey/uuid
Diffstat (limited to 'vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php')
-rw-r--r-- | vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php b/vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php new file mode 100644 index 000000000..2c4ded89e --- /dev/null +++ b/vendor/ramsey/uuid/src/Codec/TimestampFirstCombCodec.php @@ -0,0 +1,107 @@ +<?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 + * @link https://benramsey.com/projects/ramsey-uuid/ Documentation + * @link https://packagist.org/packages/ramsey/uuid Packagist + * @link https://github.com/ramsey/uuid GitHub + */ +namespace Ramsey\Uuid\Codec; + +use Ramsey\Uuid\UuidInterface; + +/** + * TimestampLastCombCodec encodes and decodes COMB UUIDs which have the timestamp as the first 48 bits. + * To be used with MySQL, PostgreSQL, Oracle. + */ +class TimestampFirstCombCodec extends StringCodec +{ + /** + * Encodes a UuidInterface as a string representation of a timestamp first COMB UUID + * + * @param UuidInterface $uuid + * + * @return string Hexadecimal string representation of a GUID + */ + public function encode(UuidInterface $uuid) + { + $sixPieceComponents = array_values($uuid->getFieldsHex()); + + $this->swapTimestampAndRandomBits($sixPieceComponents); + + return vsprintf( + '%08s-%04s-%04s-%02s%02s-%012s', + $sixPieceComponents + ); + } + + /** + * Encodes a UuidInterface as a binary representation of timestamp first COMB UUID + * + * @param UuidInterface $uuid + * + * @return string Binary string representation of timestamp first COMB UUID + */ + public function encodeBinary(UuidInterface $uuid) + { + $stringEncoding = $this->encode($uuid); + + return hex2bin(str_replace('-', '', $stringEncoding)); + } + + /** + * Decodes a string representation of timestamp first COMB UUID into a UuidInterface object instance + * + * @param string $encodedUuid + * + * @return UuidInterface + * @throws \Ramsey\Uuid\Exception\InvalidUuidStringException + */ + public function decode($encodedUuid) + { + $fivePieceComponents = $this->extractComponents($encodedUuid); + + $this->swapTimestampAndRandomBits($fivePieceComponents); + + return $this->getBuilder()->build($this, $this->getFields($fivePieceComponents)); + } + + /** + * Decodes a binary representation of timestamp first COMB UUID into a UuidInterface object instance + * + * @param string $bytes + * + * @return UuidInterface + * @throws \Ramsey\Uuid\Exception\InvalidUuidStringException + */ + public function decodeBytes($bytes) + { + return $this->decode(bin2hex($bytes)); + } + + /** + * Swaps the first 48 bits with the last 48 bits + * + * @param array $components An array of UUID components (the UUID exploded on its dashes) + * + * @return void + */ + protected function swapTimestampAndRandomBits(array &$components) + { + $last48Bits = $components[4]; + if (count($components) == 6) { + $last48Bits = $components[5]; + $components[5] = $components[0] . $components[1]; + } else { + $components[4] = $components[0] . $components[1]; + } + + $components[0] = substr($last48Bits, 0, 8); + $components[1] = substr($last48Bits, 8, 4); + } +} |