Mercurial > lxmppd-hg-xmllex / changeset

--- a/core/xmlhandlers.lua	Tue Dec 07 19:26:38 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,146 +0,0 @@
--- Prosody IM
--- Copyright (C) 2008-2010 Matthew Wild
--- Copyright (C) 2008-2010 Waqas Hussain
--- 
--- This project is MIT/X11 licensed. Please see the
--- COPYING file in the source package for more information.
---
-
-
-
-require "util.stanza"
-
-local st = stanza;
-local tostring = tostring;
-local t_insert = table.insert;
-local t_concat = table.concat;
-
-local default_log = require "util.logger".init("xmlhandlers");
-
-local error = error;
-
-module "xmlhandlers"
-
-local ns_prefixes = {
-	["http://www.w3.org/XML/1998/namespace"] = "xml";
-};
-
-local xmlns_streams = "http://etherx.jabber.org/streams";
-
-local ns_separator = "\1";
-local ns_pattern = "^([^"..ns_separator.."]*)"..ns_separator.."?(.*)$";
-
-function init_xmlhandlers(session, stream_callbacks)
-	local chardata = {};
-	local xml_handlers = {};
-	local log = session.log or default_log;
-	
-	local cb_streamopened = stream_callbacks.streamopened;
-	local cb_streamclosed = stream_callbacks.streamclosed;
-	local cb_error = stream_callbacks.error or function(session, e) error("XML stream error: "..tostring(e)); end;
-	local cb_handlestanza = stream_callbacks.handlestanza;
-	
-	local stream_ns = stream_callbacks.stream_ns or xmlns_streams;
-	local stream_tag = stream_ns..ns_separator..(stream_callbacks.stream_tag or "stream");
-	local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error");
-	
-	local stream_default_ns = stream_callbacks.default_ns;
-	
-	local stanza;
-	function xml_handlers:StartElement(tagname, attr)
-		if stanza and #chardata > 0 then
-			-- We have some character data in the buffer
-			stanza:text(t_concat(chardata));
-			chardata = {};
-		end
-		local curr_ns,name = tagname:match(ns_pattern);
-		if name == "" then
-			curr_ns, name = "", curr_ns;
-		end
-
-		if curr_ns ~= stream_default_ns then
-			attr.xmlns = curr_ns;
-		end
-		
-		-- FIXME !!!!!
-		for i=1,#attr do
-			local k = attr[i];
-			attr[i] = nil;
-			local ns, nm = k:match(ns_pattern);
-			if nm ~= "" then
-				ns = ns_prefixes[ns];
-				if ns then
-					attr[ns..":"..nm] = attr[k];
-					attr[k] = nil;
-				end
-			end
-		end
-		
-		if not stanza then --if we are not currently inside a stanza
-			if session.notopen then
-				if tagname == stream_tag then
-					if cb_streamopened then
-						cb_streamopened(session, attr);
-					end
-				else
-					-- Garbage before stream?
-					cb_error(session, "no-stream");
-				end
-				return;
-			end
-			if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then
-				cb_error(session, "invalid-top-level-element");
-			end
-			
-			stanza = st.stanza(name, attr);
-		else -- we are inside a stanza, so add a tag
-			attr.xmlns = nil;
-			if curr_ns ~= stream_default_ns then
-				attr.xmlns = curr_ns;
-			end
-			stanza:tag(name, attr);
-		end
-	end
-	function xml_handlers:CharacterData(data)
-		if stanza then
-			t_insert(chardata, data);
-		end
-	end
-	function xml_handlers:EndElement(tagname)
-		if stanza then
-			if #chardata > 0 then
-				-- We have some character data in the buffer
-				stanza:text(t_concat(chardata));
-				chardata = {};
-			end
-			-- Complete stanza
-			local last_add = stanza.last_add;
-			if not last_add or #last_add == 0 then
-				if tagname ~= stream_error_tag then
-					cb_handlestanza(session, stanza);
-				else
-					cb_error(session, "stream-error", stanza);
-				end
-				stanza = nil;
-			else
-				stanza:up();
-			end
-		else
-			if tagname == stream_tag then
-				if cb_streamclosed then
-					cb_streamclosed(session);
-				end
-			else
-				local curr_ns,name = tagname:match(ns_pattern);
-				if name == "" then
-					curr_ns, name = "", curr_ns;
-				end
-				cb_error(session, "parse-error", "unexpected-element-close", name);
-			end
-			stanza, chardata = nil, {};
-		end
-	end
-	return xml_handlers;
-end
-
-return init_xmlhandlers;