Add experimental hats support

xmpp-hats.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"encoding/xml"
+	"gosrc.io/xmpp/stanza"
+)
+
+// Implementation of XEP-0317: Hats
+// https://xmpp.org/extensions/xep-0317.html
+
+type Hats struct {
+    XMLName xml.Name `xml:"urn:xmpp:hats:0 hats"`
+    Hats    []Hat    `xml:"hat"`
+}
+
+type Hat struct {
+    Title   string  `xml:"title,attr"`
+    URI     string  `xml:"uri,attr"`
+    Hue     string  `xml:"hue,attr"`
+    Lang    string  `xml:"xml:lang,attr"`
+    Badge   Badge  `xml:"badge"`
+}
+
+type Badge struct {
+    XMLName xml.Name `xml:"urn:example:badges badge"`
+    Level   int      `xml:"level,attr"`
+}
+
+func init() {
+	stanza.TypeRegistry.MapExtension(stanza.PKTPresence, xml.Name{Space: "urn:xmpp:hats:0", Local: "hats"}, Hats{})
+}