+ if stream_callbacks.track_namespaces then
+ local namespaces = {}
+ function xml_handlers:StartNamespaceDecl(prefix, url)
+ if prefix ~= nil then
+ namespaces[prefix] = url
+ end
+ end
+ function xml_handlers:EndNamespaceDecl(prefix)
+ if prefix ~= nil then
+ namespaces[prefix] = nil
+ end
+ end
+ local old_startelement = xml_handlers.StartElement
+ function xml_handlers:StartElement(tagname, attr)
+ old_startelement(self, tagname, attr)
+ local n = {}
+ for prefix, url in pairs(namespaces) do
+ n[prefix] = url
+ end
+ stanza.namespaces = n
+ end
+ end
+