marshal.go

 1// Copyright 2016 Google Inc.  All rights reserved.
 2// Use of this source code is governed by a BSD-style
 3// license that can be found in the LICENSE file.
 4
 5package uuid
 6
 7import "fmt"
 8
 9// MarshalText implements encoding.TextMarshaler.
10func (uuid UUID) MarshalText() ([]byte, error) {
11	var js [36]byte
12	encodeHex(js[:], uuid)
13	return js[:], nil
14}
15
16// UnmarshalText implements encoding.TextUnmarshaler.
17func (uuid *UUID) UnmarshalText(data []byte) error {
18	id, err := ParseBytes(data)
19	if err != nil {
20		return err
21	}
22	*uuid = id
23	return nil
24}
25
26// MarshalBinary implements encoding.BinaryMarshaler.
27func (uuid UUID) MarshalBinary() ([]byte, error) {
28	return uuid[:], nil
29}
30
31// UnmarshalBinary implements encoding.BinaryUnmarshaler.
32func (uuid *UUID) UnmarshalBinary(data []byte) error {
33	if len(data) != 16 {
34		return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
35	}
36	copy(uuid[:], data)
37	return nil
38}