func decodeStartElement(c interfaces.Conn, se xml.StartElement) (xml.Name, interface{}, error) {
// Put it in an interface and allocate one.
var nv interface{}
if t, e := c.CustomStorage()[se.Name]; e {
nv = reflect.New(t).Interface()
} else if t, e := defaultStorage[se.Name]; e {
nv = reflect.New(t).Interface()
} else {
return xml.Name{}, nil, errors.New("unexpected XMPP message " +
se.Name.Space + " <" + se.Name.Local + "/>")
}
// Unmarshal into that storage.
if err := c.In().DecodeElement(nv, &se); err != nil {
return xml.Name{}, nil, err
}
return se.Name, nv, nil
}
