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authorWaqas Hussain <waqas20@gmail.com>2010-12-29 18:49:59 +0500
committerWaqas Hussain <waqas20@gmail.com>2010-12-29 18:49:59 +0500
commitfb331b2a58247901c5eb374ce75c079d4a07c2e6 (patch)
treed154132dd7a33286c4bde8a9322c0aae490d8c26 /util
parent027cb33f096fa8f69a84e8647900e45b5ea727a1 (diff)
downloadprosody-fb331b2a58247901c5eb374ce75c079d4a07c2e6.tar.gz
prosody-fb331b2a58247901c5eb374ce75c079d4a07c2e6.zip
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Diffstat (limited to 'util')
-rw-r--r--util/xmppstream.lua23
1 files changed, 16 insertions, 7 deletions
diff --git a/util/xmppstream.lua b/util/xmppstream.lua
index cbdadd9b..a13e9d32 100644
--- a/util/xmppstream.lua
+++ b/util/xmppstream.lua
@@ -9,10 +9,13 @@
local lxp = require "lxp";
local st = require "util.stanza";
+local stanza_mt = st.stanza_mt;
local tostring = tostring;
local t_insert = table.insert;
local t_concat = table.concat;
+local t_remove = table.remove;
+local setmetatable = setmetatable;
local default_log = require "util.logger".init("xmppstream");
@@ -53,12 +56,13 @@ function new_sax_handlers(session, stream_callbacks)
local stream_default_ns = stream_callbacks.default_ns;
+ 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
- stanza:text(t_concat(chardata));
+ t_insert(stanza, t_concat(chardata));
chardata = {};
end
local curr_ns,name = tagname:match(ns_pattern);
@@ -102,9 +106,13 @@ function new_sax_handlers(session, stream_callbacks)
cb_error(session, "invalid-top-level-element");
end
- stanza = st.stanza(name, attr);
+ stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt);
else -- we are inside a stanza, so add a tag
- stanza:tag(name, attr);
+ 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
end
function xml_handlers:CharacterData(data)
@@ -119,12 +127,11 @@ function new_sax_handlers(session, stream_callbacks)
if stanza then
if #chardata > 0 then
-- We have some character data in the buffer
- stanza:text(t_concat(chardata));
+ t_insert(stanza, t_concat(chardata));
chardata = {};
end
-- Complete stanza
- local last_add = stanza.last_add;
- if not last_add or #last_add == 0 then
+ if #stack == 0 then
if tagname ~= stream_error_tag then
cb_handlestanza(session, stanza);
else
@@ -132,7 +139,7 @@ function new_sax_handlers(session, stream_callbacks)
end
stanza = nil;
else
- stanza:up();
+ stanza = t_remove(stack);
end
else
if tagname == stream_tag then
@@ -147,11 +154,13 @@ function new_sax_handlers(session, stream_callbacks)
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)