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Diffstat (limited to 'src/dma/vendor/github.com/go-redis/redis/internal/proto/write_buffer.go')
-rw-r--r--src/dma/vendor/github.com/go-redis/redis/internal/proto/write_buffer.go113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/dma/vendor/github.com/go-redis/redis/internal/proto/write_buffer.go b/src/dma/vendor/github.com/go-redis/redis/internal/proto/write_buffer.go
new file mode 100644
index 00000000..664f4c33
--- /dev/null
+++ b/src/dma/vendor/github.com/go-redis/redis/internal/proto/write_buffer.go
@@ -0,0 +1,113 @@
+package proto
+
+import (
+ "encoding"
+ "fmt"
+ "strconv"
+)
+
+type WriteBuffer struct {
+ b []byte
+}
+
+func NewWriteBuffer() *WriteBuffer {
+ return &WriteBuffer{
+ b: make([]byte, 0, 4096),
+ }
+}
+
+func (w *WriteBuffer) Len() int { return len(w.b) }
+func (w *WriteBuffer) Bytes() []byte { return w.b }
+func (w *WriteBuffer) Reset() { w.b = w.b[:0] }
+
+func (w *WriteBuffer) Append(args []interface{}) error {
+ w.b = append(w.b, ArrayReply)
+ w.b = strconv.AppendUint(w.b, uint64(len(args)), 10)
+ w.b = append(w.b, '\r', '\n')
+
+ for _, arg := range args {
+ if err := w.append(arg); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func (w *WriteBuffer) append(val interface{}) error {
+ switch v := val.(type) {
+ case nil:
+ w.AppendString("")
+ case string:
+ w.AppendString(v)
+ case []byte:
+ w.AppendBytes(v)
+ case int:
+ w.AppendString(formatInt(int64(v)))
+ case int8:
+ w.AppendString(formatInt(int64(v)))
+ case int16:
+ w.AppendString(formatInt(int64(v)))
+ case int32:
+ w.AppendString(formatInt(int64(v)))
+ case int64:
+ w.AppendString(formatInt(v))
+ case uint:
+ w.AppendString(formatUint(uint64(v)))
+ case uint8:
+ w.AppendString(formatUint(uint64(v)))
+ case uint16:
+ w.AppendString(formatUint(uint64(v)))
+ case uint32:
+ w.AppendString(formatUint(uint64(v)))
+ case uint64:
+ w.AppendString(formatUint(v))
+ case float32:
+ w.AppendString(formatFloat(float64(v)))
+ case float64:
+ w.AppendString(formatFloat(v))
+ case bool:
+ if v {
+ w.AppendString("1")
+ } else {
+ w.AppendString("0")
+ }
+ case encoding.BinaryMarshaler:
+ b, err := v.MarshalBinary()
+ if err != nil {
+ return err
+ }
+ w.AppendBytes(b)
+ default:
+ return fmt.Errorf(
+ "redis: can't marshal %T (consider implementing encoding.BinaryMarshaler)", val)
+ }
+ return nil
+}
+
+func (w *WriteBuffer) AppendString(s string) {
+ w.b = append(w.b, StringReply)
+ w.b = strconv.AppendUint(w.b, uint64(len(s)), 10)
+ w.b = append(w.b, '\r', '\n')
+ w.b = append(w.b, s...)
+ w.b = append(w.b, '\r', '\n')
+}
+
+func (w *WriteBuffer) AppendBytes(p []byte) {
+ w.b = append(w.b, StringReply)
+ w.b = strconv.AppendUint(w.b, uint64(len(p)), 10)
+ w.b = append(w.b, '\r', '\n')
+ w.b = append(w.b, p...)
+ w.b = append(w.b, '\r', '\n')
+}
+
+func formatInt(n int64) string {
+ return strconv.FormatInt(n, 10)
+}
+
+func formatUint(u uint64) string {
+ return strconv.FormatUint(u, 10)
+}
+
+func formatFloat(f float64) string {
+ return strconv.FormatFloat(f, 'f', -1, 64)
+}