mirror of
https://github.com/google/uuid.git
synced 2024-11-28 08:49:08 +02:00
43 lines
1012 B
Go
43 lines
1012 B
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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"fmt"
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"unsafe"
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)
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// MarshalText implements encoding.TextMarshaler.
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func (uuid UUID) MarshalText() ([]byte, error) {
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var js [36]byte
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encodeHex(js[:], uuid)
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return js[:], nil
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}
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// UnmarshalText implements encoding.TextUnmarshaler.
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func (uuid *UUID) UnmarshalText(data []byte) error {
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// See comment in ParseBytes why we do this.
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// id, err := ParseBytes(data)
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id, err := Parse(*(*string)(unsafe.Pointer(&data)))
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if err == nil {
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*uuid = id
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}
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return err
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}
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// MarshalBinary implements encoding.BinaryMarshaler.
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func (uuid UUID) MarshalBinary() ([]byte, error) {
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return uuid[:], nil
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}
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// UnmarshalBinary implements encoding.BinaryUnmarshaler.
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func (uuid *UUID) 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(uuid[:], data)
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return nil
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}
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