# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1294073205 0
# Node ID 692d221ef9bd26887987f5449498e59adbf16641
# Parent  a3104064e90539cecc5a0807a0077fc4ea623eac
util.xmppstream: Prepare for using xmllex

diff -r a3104064e905 -r 692d221ef9bd util/xmppstream.lua
--- a/util/xmppstream.lua	Wed Dec 29 19:24:19 2010 +0100
+++ b/util/xmppstream.lua	Mon Jan 03 16:46:45 2011 +0000
@@ -8,6 +8,7 @@
 
 
 local lxp = require "lxp";
+local lex = require "util.xmllex";
 local st = require "util.stanza";
 local stanza_mt = st.stanza_mt;
 
@@ -23,158 +24,14 @@
 
 module "xmppstream"
 
-local new_parser = lxp.new;
-
-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.."?(.*)$";
-
-_M.ns_separator = ns_separator;
-_M.ns_pattern = ns_pattern;
-
-function new_sax_handlers(session, stream_callbacks)
-	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_callbacks.stream_tag or "stream";
-	if stream_ns ~= "" then
-		stream_tag = stream_ns..ns_separator..stream_tag;
-	end
-	local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error");
-	
-	local stream_default_ns = stream_callbacks.default_ns;
+function new(session, stream_callbacks)
+	local partial;
 	
-	local stack = {};
-	local chardata, stanza = {};
-	local non_streamns_depth = 0;
-	function xml_handlers:StartElement(tagname, attr)
-		if stanza and #chardata > 0 then
-			-- We have some character data in the buffer
-			t_insert(stanza, 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 or non_streamns_depth > 0 then
-			attr.xmlns = curr_ns;
-			non_streamns_depth = non_streamns_depth + 1;
-		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
-					non_streamns_depth = 0;
-					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 = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt);
-		else -- we are inside a stanza, so add a tag
-			t_insert(stack, stanza);
-			local oldstanza = stanza;
-			stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt);
-			t_insert(oldstanza, stanza);
-			t_insert(oldstanza.tags, stanza);
-		end
+	local function feed(stream, data)
+		index(data, 
 	end
-	function xml_handlers:CharacterData(data)
-		if stanza then
-			t_insert(chardata, data);
-		end
-	end
-	function xml_handlers:EndElement(tagname)
-		if non_streamns_depth > 0 then
-			non_streamns_depth = non_streamns_depth - 1;
-		end
-		if stanza then
-			if #chardata > 0 then
-				-- We have some character data in the buffer
-				t_insert(stanza, t_concat(chardata));
-				chardata = {};
-			end
-			-- Complete stanza
-			if #stack == 0 then
-				if tagname ~= stream_error_tag then
-					cb_handlestanza(session, stanza);
-				else
-					cb_error(session, "stream-error", stanza);
-				end
-				stanza = nil;
-			else
-				stanza = t_remove(stack);
-			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, {};
-			stack = {};
-		end
-	end
-	
-	local function reset()
-		stanza, chardata = nil, {};
-		stack = {};
-	end
-	
-	local function set_session(stream, new_session)
-		session = new_session;
-		log = new_session.log or default_log;
-	end
-	
-	return xml_handlers, { reset = reset, set_session = set_session };
-end
-
-function new(session, stream_callbacks)
-	local handlers, meta = new_sax_handlers(session, stream_callbacks);
-	local parser = new_parser(handlers, ns_separator);
-	local parse = parser.parse;
 
 	return {
 		reset = function ()