From 1d678dfdfa026968dbb19795c9bed16385603b21 Mon Sep 17 00:00:00 2001 From: Michael Muré Date: Mon, 16 Jul 2018 23:20:23 +0200 Subject: vendor dependencies with dep --- vendor/github.com/kevinburke/go.uuid/uuid.go | 161 +++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 vendor/github.com/kevinburke/go.uuid/uuid.go (limited to 'vendor/github.com/kevinburke/go.uuid/uuid.go') diff --git a/vendor/github.com/kevinburke/go.uuid/uuid.go b/vendor/github.com/kevinburke/go.uuid/uuid.go new file mode 100644 index 00000000..a2b8e2ca --- /dev/null +++ b/vendor/github.com/kevinburke/go.uuid/uuid.go @@ -0,0 +1,161 @@ +// Copyright (C) 2013-2018 by Maxim Bublis +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +// Package uuid provides implementation of Universally Unique Identifier (UUID). +// Supported versions are 1, 3, 4 and 5 (as specified in RFC 4122) and +// version 2 (as specified in DCE 1.1). +package uuid + +import ( + "bytes" + "encoding/hex" +) + +// Size of a UUID in bytes. +const Size = 16 + +// UUID representation compliant with specification +// described in RFC 4122. +type UUID [Size]byte + +// UUID versions +const ( + _ byte = iota + V1 + V2 + V3 + V4 + V5 +) + +// UUID layout variants. +const ( + VariantNCS byte = iota + VariantRFC4122 + VariantMicrosoft + VariantFuture +) + +// UUID DCE domains. +const ( + DomainPerson = iota + DomainGroup + DomainOrg +) + +// String parse helpers. +var ( + urnPrefix = []byte("urn:uuid:") + byteGroups = []int{8, 4, 4, 4, 12} +) + +// Nil is special form of UUID that is specified to have all +// 128 bits set to zero. +var Nil = UUID{} + +// Predefined namespace UUIDs. +var ( + NamespaceDNS = Must(FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8")) + NamespaceURL = Must(FromString("6ba7b811-9dad-11d1-80b4-00c04fd430c8")) + NamespaceOID = Must(FromString("6ba7b812-9dad-11d1-80b4-00c04fd430c8")) + NamespaceX500 = Must(FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8")) +) + +// Equal returns true if u1 and u2 equals, otherwise returns false. +func Equal(u1 UUID, u2 UUID) bool { + return bytes.Equal(u1[:], u2[:]) +} + +// Version returns algorithm version used to generate UUID. +func (u UUID) Version() byte { + return u[6] >> 4 +} + +// Variant returns UUID layout variant. +func (u UUID) Variant() byte { + switch { + case (u[8] >> 7) == 0x00: + return VariantNCS + case (u[8] >> 6) == 0x02: + return VariantRFC4122 + case (u[8] >> 5) == 0x06: + return VariantMicrosoft + case (u[8] >> 5) == 0x07: + fallthrough + default: + return VariantFuture + } +} + +// Bytes returns bytes slice representation of UUID. +func (u UUID) Bytes() []byte { + return u[:] +} + +// Returns canonical string representation of UUID: +// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. +func (u UUID) String() string { + buf := make([]byte, 36) + + hex.Encode(buf[0:8], u[0:4]) + buf[8] = '-' + hex.Encode(buf[9:13], u[4:6]) + buf[13] = '-' + hex.Encode(buf[14:18], u[6:8]) + buf[18] = '-' + hex.Encode(buf[19:23], u[8:10]) + buf[23] = '-' + hex.Encode(buf[24:], u[10:]) + + return string(buf) +} + +// SetVersion sets version bits. +func (u *UUID) SetVersion(v byte) { + u[6] = (u[6] & 0x0f) | (v << 4) +} + +// SetVariant sets variant bits. +func (u *UUID) SetVariant(v byte) { + switch v { + case VariantNCS: + u[8] = (u[8]&(0xff>>1) | (0x00 << 7)) + case VariantRFC4122: + u[8] = (u[8]&(0xff>>2) | (0x02 << 6)) + case VariantMicrosoft: + u[8] = (u[8]&(0xff>>3) | (0x06 << 5)) + case VariantFuture: + fallthrough + default: + u[8] = (u[8]&(0xff>>3) | (0x07 << 5)) + } +} + +// Must is a helper that wraps a call to a function returning (UUID, error) +// and panics if the error is non-nil. It is intended for use in variable +// initializations such as +// var packageUUID = uuid.Must(uuid.FromString("123e4567-e89b-12d3-a456-426655440000")); +func Must(u UUID, err error) UUID { + if err != nil { + panic(err) + } + return u +} -- cgit