84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
// Copyright 2016 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package uuid
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import (
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"errors"
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"fmt"
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)
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// MarshalText implements encoding.TextMarshaler.
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func (u UUID) MarshalText() ([]byte, error) {
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if len(u) != 16 {
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return nil, nil
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}
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var js [36]byte
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encodeHex(js[:], u)
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return js[:], nil
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}
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// UnmarshalText implements encoding.TextUnmarshaler.
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func (u *UUID) UnmarshalText(data []byte) error {
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if len(data) == 0 {
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return nil
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}
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id := Parse(string(data))
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if id == nil {
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return errors.New("invalid UUID")
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}
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*u = id
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return nil
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}
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// MarshalBinary implements encoding.BinaryMarshaler.
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func (u UUID) MarshalBinary() ([]byte, error) {
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return u[:], nil
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}
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// UnmarshalBinary implements encoding.BinaryUnmarshaler.
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func (u *UUID) UnmarshalBinary(data []byte) error {
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if len(data) == 0 {
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return nil
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}
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if len(data) != 16 {
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return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
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}
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var id [16]byte
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copy(id[:], data)
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*u = id[:]
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return nil
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}
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// MarshalText implements encoding.TextMarshaler.
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func (u Array) MarshalText() ([]byte, error) {
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var js [36]byte
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encodeHex(js[:], u[:])
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return js[:], nil
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}
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// UnmarshalText implements encoding.TextUnmarshaler.
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func (u *Array) UnmarshalText(data []byte) error {
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id := Parse(string(data))
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if id == nil {
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return errors.New("invalid UUID")
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}
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*u = id.Array()
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return nil
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}
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// MarshalBinary implements encoding.BinaryMarshaler.
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func (u Array) MarshalBinary() ([]byte, error) {
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return u[:], nil
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}
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// UnmarshalBinary implements encoding.BinaryUnmarshaler.
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func (u *Array) UnmarshalBinary(data []byte) error {
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if len(data) != 16 {
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return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
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}
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copy(u[:], data)
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return nil
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}
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