50 lines
853 B
Go
50 lines
853 B
Go
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package v2
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import (
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"encoding/binary"
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"math/bits"
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)
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func (m *OwnerID) StableMarshal(buf []byte) ([]byte, error) {
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if m == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, m.StableSize())
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}
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var (
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i, n, offset int
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)
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// Write key field.
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buf[i] = 0x0A // id:0x1 << 3 | wiretype:0x2
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offset = binary.PutUvarint(buf[i+1:], uint64(len(m.Value)))
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n = copy(buf[i+1+offset:], m.Value)
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i += 1 + offset + n
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return buf, nil
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}
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func (m *OwnerID) StableSize() int {
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if m == nil {
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return 0
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}
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var (
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ln, size int
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)
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ln = len(m.Value) // size of key field
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size += 1 + uvarIntSize(uint64(ln)) + ln // wiretype + size of string + string
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return size
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}
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// uvarIntSize returns length of varint byte sequence for uint64 value 'x'.
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func uvarIntSize(x uint64) int {
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return (bits.Len64(x|1) + 6) / 7
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}
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