refactor(*): delete redundant code, etc.

- Remove redundant implementation of YomoCodec
- Rename the package name of the Tag object

Author: chenjunbiao

base_packet.go

@@ -1,12 +1,12 @@
 package y3
 
 import (
-	codec "github.com/yomorun/yomo-codec-golang/internal/codec"
+	"github.com/yomorun/yomo-codec-golang/internal/mark"
 	"github.com/yomorun/yomo-codec-golang/internal/utils"
 )
 
 type basePacket struct {
-	tag    *codec.Tag
+	tag    *mark.Tag
 	length uint32
 	valbuf []byte
 }
@@ -15,10 +15,6 @@ func (bp *basePacket) Length() uint32 {
 	return bp.length
 }
 
-// func (bp *basePacket) Buffer() []byte {
-// 	return bp.valbuf
-// }
-
 func (bp *basePacket) SeqID() byte {
 	return bp.tag.SeqID()
 }

internal/codec/tag.go renamed to internal/mark/tag.go

@@ -1,4 +1,4 @@
-package codec
+package mark
 
 import (
 	"fmt"

node_decoder.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/yomorun/yomo-codec-golang/pkg/spec/encoding"
 
-	"github.com/yomorun/yomo-codec-golang/internal/codec"
+	"github.com/yomorun/yomo-codec-golang/internal/mark"
 )
 
 func parsePayload(b []byte) (endPos int, ifNodePacket bool, np *NodePacket, pp *PrimitivePacket, err error) {
@@ -41,7 +41,7 @@ func DecodeNodePacket(b []byte) (pct *NodePacket, endPos int, err error) {
 	pos := 0
 
 	// `Tag`
-	tag := codec.NewTag(b[pos])
+	tag := mark.NewTag(b[pos])
 	pct.basePacket.tag = tag
 	// fmt.Printf("pos=%d, n.Tag=%v\n", pos, pct.tag.String())
 	pos++

pkg/codes/yomo.go

@@ -23,8 +23,6 @@ type YomoCodec interface {
 
 // NewCodec: create new `YomoCodec`
 func NewCodec(observe string) YomoCodec {
-	//return NewCollectingCodec(observe)
-	//return NewMergingCodec(packetutils.KeyOf(observe))
 	return NewStreamingCodecNoInform(packetutils.KeyOf(observe))
 }