Add primary XMPP API.

src/xmpp/xmpp.go

@@ -0,0 +1,60 @@
+package xmpp
+
+import "log"
+
+type XMPP struct {
+	JID JID
+	stream *Stream
+	in chan interface{}
+	out chan interface{}
+}
+
+func newXMPP(jid JID, stream *Stream) *XMPP {
+	x := &XMPP{
+		jid,
+		stream,
+		make(chan interface{}),
+		make(chan interface{}),
+	}
+	go x.sender()
+	go x.receiver()
+	return x
+}
+
+func (x *XMPP) Send(v interface{}) {
+	x.out <- v
+}
+
+func (x *XMPP) sender() {
+	for v := range x.out {
+		x.stream.Send(v)
+	}
+}
+
+func (x *XMPP) receiver() {
+	for {
+		start, err := x.stream.Next(nil)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		var v interface{}
+		switch start.Name.Local {
+		case "iq":
+			v = &Iq{}
+		case "message":
+			v = &Message{}
+		case "presence":
+			v = &Presence{}
+		default:
+			panic("Unexected element: " + start.Name.Local)
+		}
+
+		err = x.stream.DecodeElement(v, start)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		x.in <- v
+	}
+}