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-rw-r--r--util/stanza.lua70
1 files changed, 37 insertions, 33 deletions
diff --git a/util/stanza.lua b/util/stanza.lua
index a90d56b3..7fe5c7ae 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -270,6 +270,34 @@ function stanza_mt:find(path)
until not self
end
+local function _clone(stanza, only_top)
+ local attr, tags = {}, {};
+ for k,v in pairs(stanza.attr) do attr[k] = v; end
+ local old_namespaces, namespaces = stanza.namespaces;
+ if old_namespaces then
+ namespaces = {};
+ for k,v in pairs(old_namespaces) do namespaces[k] = v; end
+ end
+ local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
+ if not only_top then
+ for i=1,#stanza do
+ local child = stanza[i];
+ if child.name then
+ child = _clone(child);
+ t_insert(tags, child);
+ end
+ t_insert(new, child);
+ end
+ end
+ return setmetatable(new, stanza_mt);
+end
+
+local function clone(stanza, only_top)
+ if not is_stanza(stanza) then
+ error("bad argument to clone: expected stanza, got "..type(stanza));
+ end
+ return _clone(stanza, only_top);
+end
local escape_table = { ["'"] = "&apos;", ["\""] = "&quot;", ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;" };
local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end
@@ -310,11 +338,8 @@ function stanza_mt.__tostring(t)
end
function stanza_mt.top_tag(t)
- local attr_string = "";
- if t.attr then
- for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. s_format(" %s='%s'", k, xml_escape(tostring(v))); end end
- end
- return s_format("<%s%s>", t.name, attr_string);
+ local top_tag_clone = clone(t, true);
+ return tostring(top_tag_clone):sub(1,-3)..">";
end
function stanza_mt.get_text(t)
@@ -388,33 +413,6 @@ local function deserialize(serialized)
end
end
-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;
- if old_namespaces then
- namespaces = {};
- for k,v in pairs(old_namespaces) do namespaces[k] = v; end
- end
- local new = { name = stanza.name, attr = attr, namespaces = namespaces, tags = tags };
- for i=1,#stanza do
- local child = stanza[i];
- if child.name then
- child = _clone(child);
- t_insert(tags, child);
- end
- t_insert(new, child);
- end
- 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);
@@ -423,9 +421,15 @@ local function message(attr, body)
end
end
local function iq(attr)
- if not (attr and attr.id) then
+ if not attr then
+ error("iq stanzas require id and type attributes");
+ end
+ if not attr.id then
error("iq stanzas require an id attribute");
end
+ if not attr.type then
+ error("iq stanzas require a type attribute");
+ end
return new_stanza("iq", attr);
end