From 60a27e378108dfaf2cfec678eaed357f79ced051 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Tue, 8 Dec 2015 23:15:42 +0000 Subject: util.stanza, util.xml, util.xmppstream: Add support for tracking defined namespaces and their prefix (stanza.namespaces), knowing/preserving prefix names is required for some applications (thanks daurnimator) --- util/xmppstream.lua | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'util/xmppstream.lua') diff --git a/util/xmppstream.lua b/util/xmppstream.lua index 7be63285..3d97acef 100644 --- a/util/xmppstream.lua +++ b/util/xmppstream.lua @@ -196,6 +196,29 @@ local function new_sax_handlers(session, stream_callbacks, cb_handleprogress) end end + 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 + local function restricted_handler(parser) cb_error(session, "parse-error", "restricted-xml", "Restricted XML, see RFC 6120 section 11.1."); if not parser.stop or not parser:stop() then -- cgit v1.2.3