1 files changed, 159 insertions, 0 deletions
diff --git a/src/dma/vendor/github.com/go-redis/redis/internal/proto/writer.go b/src/dma/vendor/github.com/go-redis/redis/internal/proto/writer.go
new file mode 100644
index 00000000..d106ce0e
--- /dev/null
+++ b/src/dma/vendor/github.com/go-redis/redis/internal/proto/writer.go
@@ -0,0 +1,159 @@
+package proto
+
+import (
+	"bufio"
+	"encoding"
+	"fmt"
+	"io"
+	"strconv"
+
+	"github.com/go-redis/redis/internal/util"
+)
+
+type Writer struct {
+	wr *bufio.Writer
+
+	lenBuf []byte
+	numBuf []byte
+}
+
+func NewWriter(wr io.Writer) *Writer {
+	return &Writer{
+		wr: bufio.NewWriter(wr),
+
+		lenBuf: make([]byte, 64),
+		numBuf: make([]byte, 64),
+	}
+}
+
+func (w *Writer) WriteArgs(args []interface{}) error {
+	err := w.wr.WriteByte(ArrayReply)
+	if err != nil {
+		return err
+	}
+
+	err = w.writeLen(len(args))
+	if err != nil {
+		return err
+	}
+
+	for _, arg := range args {
+		err := w.writeArg(arg)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (w *Writer) writeLen(n int) error {
+	w.lenBuf = strconv.AppendUint(w.lenBuf[:0], uint64(n), 10)
+	w.lenBuf = append(w.lenBuf, '\r', '\n')
+	_, err := w.wr.Write(w.lenBuf)
+	return err
+}
+
+func (w *Writer) writeArg(v interface{}) error {
+	switch v := v.(type) {
+	case nil:
+		return w.string("")
+	case string:
+		return w.string(v)
+	case []byte:
+		return w.bytes(v)
+	case int:
+		return w.int(int64(v))
+	case int8:
+		return w.int(int64(v))
+	case int16:
+		return w.int(int64(v))
+	case int32:
+		return w.int(int64(v))
+	case int64:
+		return w.int(v)
+	case uint:
+		return w.uint(uint64(v))
+	case uint8:
+		return w.uint(uint64(v))
+	case uint16:
+		return w.uint(uint64(v))
+	case uint32:
+		return w.uint(uint64(v))
+	case uint64:
+		return w.uint(v)
+	case float32:
+		return w.float(float64(v))
+	case float64:
+		return w.float(v)
+	case bool:
+		if v {
+			return w.int(1)
+		} else {
+			return w.int(0)
+		}
+	case encoding.BinaryMarshaler:
+		b, err := v.MarshalBinary()
+		if err != nil {
+			return err
+		}
+		return w.bytes(b)
+	default:
+		return fmt.Errorf(
+			"redis: can't marshal %T (implement encoding.BinaryMarshaler)", v)
+	}
+}
+
+func (w *Writer) bytes(b []byte) error {
+	err := w.wr.WriteByte(StringReply)
+	if err != nil {
+		return err
+	}
+
+	err = w.writeLen(len(b))
+	if err != nil {
+		return err
+	}
+
+	_, err = w.wr.Write(b)
+	if err != nil {
+		return err
+	}
+
+	return w.crlf()
+}
+
+func (w *Writer) string(s string) error {
+	return w.bytes(util.StringToBytes(s))
+}
+
+func (w *Writer) uint(n uint64) error {
+	w.numBuf = strconv.AppendUint(w.numBuf[:0], n, 10)
+	return w.bytes(w.numBuf)
+}
+
+func (w *Writer) int(n int64) error {
+	w.numBuf = strconv.AppendInt(w.numBuf[:0], n, 10)
+	return w.bytes(w.numBuf)
+}
+
+func (w *Writer) float(f float64) error {
+	w.numBuf = strconv.AppendFloat(w.numBuf[:0], f, 'f', -1, 64)
+	return w.bytes(w.numBuf)
+}
+
+func (w *Writer) crlf() error {
+	err := w.wr.WriteByte('\r')
+	if err != nil {
+		return err
+	}
+	return w.wr.WriteByte('\n')
+}
+
+func (w *Writer) Reset(wr io.Writer) {
+	w.wr.Reset(wr)
+}
+
+func (w *Writer) Flush() error {
+	return w.wr.Flush()
+}