init

chat/chatMsg.go

@@ -0,0 +1,105 @@
+package chat
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/Tnze/go-mc/data"
+)
+
+//Message is a message sent by other
+type Message jsonChat
+
+type jsonChat struct {
+	Text string `json:"text"`
+
+	Bold          bool   `json:"bold"`          //粗体
+	Italic        bool   `json:"Italic"`        //斜体
+	UnderLined    bool   `json:"underlined"`    //下划线
+	StrikeThrough bool   `json:"strikethrough"` //删除线
+	Obfuscated    bool   `json:"obfuscated"`    //随机
+	Color         string `json:"color"`
+
+	Translate string            `json:"translate"`
+	With      []json.RawMessage `json:"with"` // How can go handle an JSON array with Object and String?
+	Extra     []jsonChat        `json:"extra"`
+}
+
+//UnmarshalJSON decode json to Message
+func (m *Message) UnmarshalJSON(jsonMsg []byte) (err error) {
+	if jsonMsg[0] == '"' {
+		err = json.Unmarshal(jsonMsg, &m.Text)
+	} else {
+		err = json.Unmarshal(jsonMsg, (*jsonChat)(m))
+	}
+	return
+}
+
+var colors = map[string]int{
+	"black":        30,
+	"dark_blue":    34,
+	"dark_green":   32,
+	"dark_aqua":    36,
+	"dark_red":     31,
+	"dark_purple":  35,
+	"gold":         33,
+	"gray":         37,
+	"dark_gray":    90,
+	"blue":         94,
+	"green":        92,
+	"aqua":         96,
+	"red":          91,
+	"light_purple": 95,
+	"yellow":       93,
+	"white":        97,
+}
+
+// String return the message with escape sequence for ansi color.
+// On windows, you may want print this string using
+// github.com/mattn/go-colorable.
+func (m Message) String() string {
+	var msg, format strings.Builder
+	if m.Bold {
+		format.WriteString("1;")
+	}
+	if m.Italic {
+		format.WriteString("3;")
+	}
+	if m.UnderLined {
+		format.WriteString("4;")
+	}
+	if m.StrikeThrough {
+		format.WriteString("9;")
+	}
+	if m.Color != "" {
+		fmt.Fprintf(&format, "%d;", colors[m.Color])
+	}
+	if format.Len() > 0 {
+		msg.WriteString("\033[" + format.String()[:format.Len()-1] + "m")
+	}
+	msg.WriteString(m.Text)
+
+	if format.Len() > 0 {
+		msg.WriteString("\033[0m")
+	}
+
+	//handle translate
+	if m.Translate != "" {
+		args := make([]interface{}, len(m.With))
+		for i, v := range m.With {
+			var arg Message
+			arg.UnmarshalJSON(v) //ignore error
+			args[i] = arg
+		}
+
+		fmt.Fprintf(&msg, data.EnUs[m.Translate], args...)
+	}
+
+	if m.Extra != nil {
+		for i := range m.Extra {
+			msg.WriteString(Message(m.Extra[i]).String())
+		}
+	}
+	return msg.String()
+}