10 "github.com/go-redis/redis/internal/util"
20 func NewWriter(wr io.Writer) *Writer {
22 wr: bufio.NewWriter(wr),
24 lenBuf: make([]byte, 64),
25 numBuf: make([]byte, 64),
29 func (w *Writer) WriteArgs(args []interface{}) error {
30 err := w.wr.WriteByte(ArrayReply)
35 err = w.writeLen(len(args))
40 for _, arg := range args {
41 err := w.writeArg(arg)
50 func (w *Writer) writeLen(n int) error {
51 w.lenBuf = strconv.AppendUint(w.lenBuf[:0], uint64(n), 10)
52 w.lenBuf = append(w.lenBuf, '\r', '\n')
53 _, err := w.wr.Write(w.lenBuf)
57 func (w *Writer) writeArg(v interface{}) error {
58 switch v := v.(type) {
66 return w.int(int64(v))
68 return w.int(int64(v))
70 return w.int(int64(v))
72 return w.int(int64(v))
76 return w.uint(uint64(v))
78 return w.uint(uint64(v))
80 return w.uint(uint64(v))
82 return w.uint(uint64(v))
86 return w.float(float64(v))
95 case encoding.BinaryMarshaler:
96 b, err := v.MarshalBinary()
103 "redis: can't marshal %T (implement encoding.BinaryMarshaler)", v)
107 func (w *Writer) bytes(b []byte) error {
108 err := w.wr.WriteByte(StringReply)
113 err = w.writeLen(len(b))
118 _, err = w.wr.Write(b)
126 func (w *Writer) string(s string) error {
127 return w.bytes(util.StringToBytes(s))
130 func (w *Writer) uint(n uint64) error {
131 w.numBuf = strconv.AppendUint(w.numBuf[:0], n, 10)
132 return w.bytes(w.numBuf)
135 func (w *Writer) int(n int64) error {
136 w.numBuf = strconv.AppendInt(w.numBuf[:0], n, 10)
137 return w.bytes(w.numBuf)
140 func (w *Writer) float(f float64) error {
141 w.numBuf = strconv.AppendFloat(w.numBuf[:0], f, 'f', -1, 64)
142 return w.bytes(w.numBuf)
145 func (w *Writer) crlf() error {
146 err := w.wr.WriteByte('\r')
150 return w.wr.WriteByte('\n')
153 func (w *Writer) Reset(wr io.Writer) {
157 func (w *Writer) Flush() error {