Refactor and move parsing and stanza to a separate package

stanza/pubsub.go

@@ -0,0 +1,40 @@
+package stanza
+
+import (
+	"encoding/xml"
+)
+
+type PubSub struct {
+	XMLName xml.Name `xml:"http://jabber.org/protocol/pubsub pubsub"`
+	Publish *Publish
+	Retract *Retract
+	// TODO <configure/>
+}
+
+func (p *PubSub) Namespace() string {
+	return p.XMLName.Space
+}
+
+type Publish struct {
+	XMLName xml.Name `xml:"publish"`
+	Node    string   `xml:"node,attr"`
+	Item    Item
+}
+
+type Item struct {
+	XMLName xml.Name `xml:"item"`
+	Id      string   `xml:"id,attr,omitempty"`
+	Tune    *Tune
+	Mood    *Mood
+}
+
+type Retract struct {
+	XMLName xml.Name `xml:"retract"`
+	Node    string   `xml:"node,attr"`
+	Notify  string   `xml:"notify,attr"`
+	Item    Item
+}
+
+func init() {
+	TypeRegistry.MapExtension(PKTIQ, xml.Name{"http://jabber.org/protocol/pubsub", "pubsub"}, PubSub{})
+}