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package binproto
import (
"encoding/binary"
"io"
)
func SendNil(w io.Writer) error {
_, err := w.Write([]byte{UTNil})
return err
}
func sendRAE(w io.Writer, what UnitType, code uint16) error {
if _, err := w.Write([]byte{byte(what)}); err != nil {
return err
}
return binary.Write(w, binary.LittleEndian, code)
}
func InitRequest(w io.Writer, code uint16) error { return sendRAE(w, UTRequest, code) }
func InitAnswer(w io.Writer, code uint16) error { return sendRAE(w, UTAnswer, code) }
func InitEvent(w io.Writer, code uint16) error { return sendRAE(w, UTEvent, code) }
func SendBin(w io.Writer, bindata []byte) error {
if _, err := w.Write([]byte{UTBin}); err != nil {
return err
}
if err := binary.Write(w, binary.LittleEndian, uint32(len(bindata))); err != nil {
return err
}
_, err := w.Write(bindata)
return err
}
func SendNumber(w io.Writer, n int64) error {
if _, err := w.Write([]byte{UTNumber}); err != nil {
return err
}
return binary.Write(w, binary.LittleEndian, n)
}
func InitList(w io.Writer) error {
_, err := w.Write([]byte{UTList})
return err
}
func InitTextKVMap(w io.Writer) error {
_, err := w.Write([]byte{UTTextKVMap})
return err
}
func InitIdKVMap(w io.Writer) error {
_, err := w.Write([]byte{UTIdKVMap})
return err
}
func sendTypedByte(w io.Writer, t UnitType, b byte) error {
_, err := w.Write([]byte{byte(t), b})
return err
}
func SendUKey(w io.Writer, key byte) error {
return sendTypedByte(w, UTUKey, key)
}
func SendBool(w io.Writer, b bool) error {
if b {
return sendTypedByte(w, UTBool, 1)
}
return sendTypedByte(w, UTBool, 0)
}
func SendByte(w io.Writer, b byte) error {
return sendTypedByte(w, UTByte, b)
}
func SendTextKey(w io.Writer, key string) error {
return SendBin(w, []byte(key))
}
func SendTerm(w io.Writer) error {
_, err := w.Write([]byte{UTTerm})
return err
}
func InitBinStream(w io.Writer) (*BinstreamWriter, error) {
_, err := w.Write([]byte{UTBinStream})
if err != nil {
return nil, err
}
return &BinstreamWriter{w: w}, nil
}
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