At and Reply element supported.

fix typo.

client/global.go

@@ -2,6 +2,7 @@ package client
 
 import (
 	"crypto/md5"
+	"github.com/Mrs4s/MiraiGo/binary"
 	devinfo "github.com/Mrs4s/MiraiGo/client/pb"
 	"github.com/Mrs4s/MiraiGo/client/pb/msg"
 	"github.com/Mrs4s/MiraiGo/message"
@@ -177,8 +178,25 @@ func (c *QQClient) parseGroupMessage(m *msg.Message) *message.GroupMessage {
 func parseMessageElems(elems []*msg.Elem) []message.IMessageElement {
 	var res []message.IMessageElement
 	for _, elem := range elems {
+		if elem.SrcMsg != nil {
+			if len(elem.SrcMsg.OrigSeqs) != 0 {
+				r := &message.ReplyElement{
+					ReplySeq: elem.SrcMsg.OrigSeqs[0],
+					Elements: parseMessageElems(elem.SrcMsg.Elems),
+				}
+				res = append(res, r)
+			}
+			continue
+		}
 		if elem.Text != nil {
+			if len(elem.Text.Attr6Buf) == 0 {
 				res = append(res, message.NewText(elem.Text.Str))
+			} else {
+				att6 := binary.NewReader(elem.Text.Attr6Buf)
+				att6.ReadBytes(7)
+				target := int64(uint32(att6.ReadInt32()))
+				res = append(res, message.NewAt(target, elem.Text.Str))
+			}
 		}
 		if elem.CustomFace != nil {
 			res = append(res, message.NewNetImage(elem.CustomFace.FilePath, "http://gchat.qpic.cn"+elem.CustomFace.OrigUrl))

client/pb/msg/msg.proto

@@ -170,7 +170,7 @@ message Elem {
     //ApolloActMsg? apolloMsg = 42;
     //GroupPubAccountInfo? groupPubAccInfo = 43;
     //BlessingMessage? blessMsg = 44;
-    //SourceMsg? srcMsg = 45;
+    SourceMsg srcMsg = 45;
     //LolaMsg? lolaMsg = 46;
     //GroupBusinessMsg? groupBusinessMsg = 47;
     //WorkflowNotifyMsg? msgWorkflowNotify = 48;
@@ -361,6 +361,20 @@ message VideoFile {
     bytes pbReserve = 24;
 }
 
+message SourceMsg {
+    repeated int32 origSeqs = 1;
+    int64 senderUin = 2;
+    int32 time = 3;
+    int32 flag = 4;
+    repeated Elem elems = 5;
+    int32 type = 6;
+    bytes richMsg = 7;
+    bytes pbReserve = 8;
+    bytes srcMsg = 9;
+    int64 toUin = 10;
+    bytes troopName = 11;   
+}
+
 message Face {
     int32 index = 1;
     bytes old = 2;

message/elements.go

@@ -1,6 +1,9 @@
 package message
 
-import "strings"
+import (
+	"strconv"
+	"strings"
+)
 
 type TextElement struct {
 	Content string
@@ -23,6 +26,16 @@ type FaceElement struct {
 	Name  string
 }
 
+type AtElement struct {
+	Target  int64
+	Display string
+}
+
+type ReplyElement struct {
+	ReplySeq int32
+	Elements []IMessageElement
+}
+
 func NewText(s string) *TextElement {
 	return &TextElement{Content: s}
 }
@@ -59,6 +72,20 @@ func NewFace(index int32) *FaceElement {
 	}
 }
 
+func NewAt(target int64, display ...string) *AtElement {
+	dis := "@" + strconv.FormatInt(target, 10)
+	if target == 0 {
+		dis = "@全体成员"
+	}
+	if len(display) != 0 {
+		dis = display[0]
+	}
+	return &AtElement{
+		Target:  target,
+		Display: dis,
+	}
+}
+
 func (e *TextElement) Type() ElementType {
 	return Text
 }
@@ -75,6 +102,14 @@ func (e *GroupImageElement) Type() ElementType {
 	return Image
 }
 
+func (e *AtElement) Type() ElementType {
+	return At
+}
+
+func (e *ReplyElement) Type() ElementType {
+	return Reply
+}
+
 var faceMap = map[int]string{
 	14:  "微笑",
 	1:   "撇嘴",

message/message.go

@@ -3,6 +3,7 @@ package message
 import (
 	"github.com/Mrs4s/MiraiGo/binary"
 	"github.com/Mrs4s/MiraiGo/client/pb/msg"
+	"strconv"
 )
 
 type PrivateMessage struct {
@@ -40,21 +41,29 @@ const (
 	Text ElementType = iota
 	Image
 	Face
+	At
+	Reply
 )
 
 func (s *Sender) IsAnonymous() bool {
 	return s.Uin == 80000000
 }
 
+func NewSendingMessage() *SendingMessage {
+	return &SendingMessage{}
+}
+
 func (msg *PrivateMessage) ToString() (res string) {
 	for _, elem := range msg.Elements {
 		switch e := elem.(type) {
 		case *TextElement:
 			res += e.Content
 		case *ImageElement:
-			res += " [Image= " + e.Filename + " ] "
+			res += "[Image:" + e.Filename + "]"
 		case *FaceElement:
-			res += " [" + e.Name + "] "
+			res += "[" + e.Name + "]"
+		case *AtElement:
+			res += e.Display
 		}
 	}
 	return
@@ -66,11 +75,15 @@ func (msg *GroupMessage) ToString() (res string) {
 		case *TextElement:
 			res += e.Content
 		case *ImageElement:
-			res += " [Image= " + e.Filename + " ] "
+			res += "[Image:" + e.Filename + "]"
 		case *FaceElement:
-			res += " [" + e.Name + "] "
+			res += "[" + e.Name + "]"
 		case *GroupImageElement:
-			res += "[Image= " + e.ImageId + " ]"
+			res += "[Image: " + e.ImageId + "]"
+		case *AtElement:
+			res += e.Display
+		case *ReplyElement:
+			res += "[Reply:" + strconv.FormatInt(int64(e.ReplySeq), 10) + "]"
 		}
 	}
 	return
@@ -98,6 +111,21 @@ func ToProtoElems(elems []IMessageElement) (r []*msg.Elem) {
 					Buf:   []byte{0x00, 0x01, 0x00, 0x04, 0x52, 0xCC, 0xF5, 0xD0},
 				},
 			})
+		case *AtElement:
+			r = append(r, &msg.Elem{
+				Text: &msg.Text{
+					Str: e.Display,
+					Attr6Buf: binary.NewWriterF(func(w *binary.Writer) {
+						w.WriteUInt16(1)
+						w.WriteUInt16(0)
+						w.WriteUInt16(uint16(len(e.Display)))
+						w.WriteByte(0)
+						w.WriteUInt32(uint32(e.Target))
+						w.WriteUInt16(0)
+					}),
+				},
+			})
+			r = append(r, &msg.Elem{Text: &msg.Text{Str: " "}})
 		case *GroupImageElement:
 			r = append(r, &msg.Elem{
 				CustomFace: &msg.CustomFace{