mirror of
https://github.com/Mrs4s/MiraiGo.git
synced 2025-05-04 19:17:38 +08:00
92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
package proto
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import (
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"encoding/binary"
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"math"
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)
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type DynamicMessage map[uint64]any
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type encoder struct {
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buf []byte
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}
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func (msg DynamicMessage) Encode() []byte {
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en := encoder{}
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//nolint:staticcheck
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for id, value := range msg {
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key := id << 3
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switch v := value.(type) {
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case bool:
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en.uvarint(key | 0)
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vi := uint64(0)
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if v {
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vi = 1
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}
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en.uvarint(vi)
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case int:
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en.uvarint(key | 0)
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en.svarint(int64(v))
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case int32:
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en.uvarint(key | 0)
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en.svarint(int64(v))
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case int64:
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en.uvarint(key | 0)
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en.svarint(v)
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case uint32:
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en.uvarint(key | 0)
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en.uvarint(uint64(v))
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case uint64:
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en.uvarint(key | 0)
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en.uvarint(v)
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case float32:
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en.uvarint(key | 5)
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en.u32(math.Float32bits(v))
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case float64:
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en.uvarint(key | 1)
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en.u64(math.Float64bits(v))
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case string:
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en.uvarint(key | 2)
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en.uvarint(uint64(len(v)))
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en.buf = append(en.buf, v...)
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case []uint64:
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for i := 0; i < len(v); i++ {
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en.uvarint(key | 0)
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en.uvarint(v[i])
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}
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case []byte:
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en.uvarint(key | 2)
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en.uvarint(uint64(len(v)))
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en.buf = append(en.buf, v...)
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case DynamicMessage:
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en.uvarint(key | 2)
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b := v.Encode()
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en.uvarint(uint64(len(b)))
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en.buf = append(en.buf, b...)
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}
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}
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return en.buf
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}
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func (en *encoder) uvarint(v uint64) {
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var b [binary.MaxVarintLen64]byte
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n := binary.PutUvarint(b[:], v)
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en.buf = append(en.buf, b[:n]...)
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}
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func (en *encoder) svarint(v int64) {
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en.uvarint(uint64(v)<<1 ^ uint64(v>>63))
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}
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func (en *encoder) u32(v uint32) {
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var b [4]byte
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binary.LittleEndian.PutUint32(b[:], v)
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en.buf = append(en.buf, b[:]...)
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}
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func (en *encoder) u64(v uint64) {
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var b [8]byte
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binary.LittleEndian.PutUint64(b[:], v)
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en.buf = append(en.buf, b[:]...)
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}
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