--- Prosody IM v0.3
+-- Prosody IM v0.4
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
--
local t_remove = table.remove;
local t_concat = table.concat;
local s_format = string.format;
-local s_match = string.match;
+local s_match = string.match;
local tostring = tostring;
local setmetatable = setmetatable;
+local getmetatable = getmetatable;
local pairs = pairs;
local ipairs = ipairs;
local type = type;
return stanza;
end
+function clone(stanza)
+ local lookup_table = {};
+ local function _copy(object)
+ if type(object) ~= "table" then
+ return object;
+ elseif lookup_table[object] then
+ return lookup_table[object];
+ end
+ local new_table = {};
+ lookup_table[object] = new_table;
+ for index, value in pairs(object) do
+ new_table[_copy(index)] = _copy(value);
+ end
+ return setmetatable(new_table, getmetatable(object));
+ end
+ return _copy(stanza)
+end
+
function message(attr, body)
if not body then
return stanza("message", attr);