--- a/util/stanza.lua Thu Nov 15 21:55:16 2018 +0000
+++ b/util/stanza.lua Sat Nov 17 15:26:11 2018 +0100
@@ -398,7 +398,7 @@
return stanza;
end
-local function clone(stanza)
+local function _clone(stanza)
local attr, tags = {}, {};
for k,v in pairs(stanza.attr) do attr[k] = v; end
local old_namespaces, namespaces = stanza.namespaces;
@@ -410,7 +410,7 @@
for i=1,#stanza do
local child = stanza[i];
if child.name then
- child = clone(child);
+ child = _clone(child);
t_insert(tags, child);
end
t_insert(new, child);
@@ -418,6 +418,13 @@
return setmetatable(new, stanza_mt);
end
+local function clone(stanza)
+ if not is_stanza(stanza) then
+ error("bad argument to clone: expected stanza, got "..type(stanza));
+ end
+ return _clone(stanza);
+end
+
local function message(attr, body)
if not body then
return new_stanza("message", attr);