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authorMario Vavti <mario@mariovavti.com>2018-10-19 11:18:28 +0200
committerMario Vavti <mario@mariovavti.com>2018-10-19 11:18:28 +0200
commitfa9e9510e5d993d183feb942fe74be5fdd07f5cf (patch)
tree41fec09f527a9346e043b8099b458a97d81b03ed /vendor/ramsey/uuid/src/Codec/StringCodec.php
parent32de123db0ac526795a237ff46885fe8a332cbc0 (diff)
parent06b3ad1071c755757555baf941e2c0f446f97b21 (diff)
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Merge branch '3.8RC'3.8
Diffstat (limited to 'vendor/ramsey/uuid/src/Codec/StringCodec.php')
-rw-r--r--vendor/ramsey/uuid/src/Codec/StringCodec.php170
1 files changed, 170 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Codec/StringCodec.php b/vendor/ramsey/uuid/src/Codec/StringCodec.php
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+<?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 InvalidArgumentException;
+use Ramsey\Uuid\Builder\UuidBuilderInterface;
+use Ramsey\Uuid\Exception\InvalidUuidStringException;
+use Ramsey\Uuid\Uuid;
+use Ramsey\Uuid\UuidInterface;
+
+/**
+ * StringCodec encodes and decodes RFC 4122 UUIDs
+ *
+ * @link http://tools.ietf.org/html/rfc4122
+ */
+class StringCodec implements CodecInterface
+{
+ /**
+ * @var UuidBuilderInterface
+ */
+ private $builder;
+
+ /**
+ * Constructs a StringCodec for use encoding and decoding UUIDs
+ *
+ * @param UuidBuilderInterface $builder The UUID builder to use when encoding UUIDs
+ */
+ public function __construct(UuidBuilderInterface $builder)
+ {
+ $this->builder = $builder;
+ }
+
+ /**
+ * Encodes a UuidInterface as a string representation of a UUID
+ *
+ * @param UuidInterface $uuid
+ * @return string Hexadecimal string representation of a UUID
+ */
+ public function encode(UuidInterface $uuid)
+ {
+ $fields = array_values($uuid->getFieldsHex());
+
+ return vsprintf(
+ '%08s-%04s-%04s-%02s%02s-%012s',
+ $fields
+ );
+ }
+
+ /**
+ * Encodes a UuidInterface as a binary representation of a UUID
+ *
+ * @param UuidInterface $uuid
+ * @return string Binary string representation of a UUID
+ */
+ public function encodeBinary(UuidInterface $uuid)
+ {
+ return hex2bin($uuid->getHex());
+ }
+
+ /**
+ * Decodes a string representation of a UUID into a UuidInterface object instance
+ *
+ * @param string $encodedUuid
+ * @return UuidInterface
+ * @throws \Ramsey\Uuid\Exception\InvalidUuidStringException
+ */
+ public function decode($encodedUuid)
+ {
+ $components = $this->extractComponents($encodedUuid);
+ $fields = $this->getFields($components);
+
+ return $this->builder->build($this, $fields);
+ }
+
+ /**
+ * Decodes a binary representation of a UUID into a UuidInterface object instance
+ *
+ * @param string $bytes
+ * @return UuidInterface
+ * @throws \InvalidArgumentException if string has not 16 characters
+ */
+ public function decodeBytes($bytes)
+ {
+ if (strlen($bytes) !== 16) {
+ throw new InvalidArgumentException('$bytes string should contain 16 characters.');
+ }
+
+ $hexUuid = unpack('H*', $bytes);
+
+ return $this->decode($hexUuid[1]);
+ }
+
+ /**
+ * Returns the UUID builder
+ *
+ * @return UuidBuilderInterface
+ */
+ protected function getBuilder()
+ {
+ return $this->builder;
+ }
+
+ /**
+ * Returns an array of UUID components (the UUID exploded on its dashes)
+ *
+ * @param string $encodedUuid
+ * @return array
+ * @throws \Ramsey\Uuid\Exception\InvalidUuidStringException
+ */
+ protected function extractComponents($encodedUuid)
+ {
+ $nameParsed = str_replace(array(
+ 'urn:',
+ 'uuid:',
+ '{',
+ '}',
+ '-'
+ ), '', $encodedUuid);
+
+ // We have stripped out the dashes and are breaking up the string using
+ // substr(). In this way, we can accept a full hex value that doesn't
+ // contain dashes.
+ $components = array(
+ substr($nameParsed, 0, 8),
+ substr($nameParsed, 8, 4),
+ substr($nameParsed, 12, 4),
+ substr($nameParsed, 16, 4),
+ substr($nameParsed, 20)
+ );
+
+ $nameParsed = implode('-', $components);
+
+ if (!Uuid::isValid($nameParsed)) {
+ throw new InvalidUuidStringException('Invalid UUID string: ' . $encodedUuid);
+ }
+
+ return $components;
+ }
+
+ /**
+ * Returns the fields that make up this UUID
+ *
+ * @see \Ramsey\Uuid\UuidInterface::getFieldsHex()
+ * @param array $components
+ * @return array
+ */
+ protected function getFields(array $components)
+ {
+ return array(
+ 'time_low' => str_pad($components[0], 8, '0', STR_PAD_LEFT),
+ 'time_mid' => str_pad($components[1], 4, '0', STR_PAD_LEFT),
+ 'time_hi_and_version' => str_pad($components[2], 4, '0', STR_PAD_LEFT),
+ 'clock_seq_hi_and_reserved' => str_pad(substr($components[3], 0, 2), 2, '0', STR_PAD_LEFT),
+ 'clock_seq_low' => str_pad(substr($components[3], 2), 2, '0', STR_PAD_LEFT),
+ 'node' => str_pad($components[4], 12, '0', STR_PAD_LEFT)
+ );
+ }
+}