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Diffstat (limited to 'vendor/github.com/kevinburke/go.uuid/uuid.go')
| -rw-r--r-- | vendor/github.com/kevinburke/go.uuid/uuid.go | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/vendor/github.com/kevinburke/go.uuid/uuid.go b/vendor/github.com/kevinburke/go.uuid/uuid.go deleted file mode 100644 index a2b8e2ca..00000000 --- a/vendor/github.com/kevinburke/go.uuid/uuid.go +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru> -// -// 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 -} |