Refactor and move parsing and stanza to a separate package

stanza/pres_muc.go

@@ -0,0 +1,29 @@
+package stanza
+
+import (
+	"encoding/xml"
+	"time"
+)
+
+// ============================================================================
+// MUC Presence extension
+
+// MucPresence implements XEP-0045: Multi-User Chat - 19.1
+type MucPresence struct {
+	PresExtension
+	XMLName  xml.Name `xml:"http://jabber.org/protocol/muc x"`
+	Password string   `xml:"password,omitempty"`
+	History  History  `xml:"history,omitempty"`
+}
+
+// History implements XEP-0045: Multi-User Chat - 19.1
+type History struct {
+	MaxChars   int       `xml:"maxchars,attr,omitempty"`
+	MaxStanzas int       `xml:"maxstanzas,attr,omitempty"`
+	Seconds    int       `xml:"seconds,attr,omitempty"`
+	Since      time.Time `xml:"since,attr,omitempty"`
+}
+
+func init() {
+	TypeRegistry.MapExtension(PKTPresence, xml.Name{"http://jabber.org/protocol/muc", "x"}, MucPresence{})
+}