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-rw-r--r--util/stanza.lua6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/stanza.lua b/util/stanza.lua
index a598a81e..651c1973 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -14,6 +14,7 @@ local s_format = string.format;
local s_match = string.match;
local tostring = tostring;
local setmetatable = setmetatable;
+local getmetatable = getmetatable;
local pairs = pairs;
local ipairs = ipairs;
local type = type;
@@ -45,6 +46,10 @@ local function new_stanza(name, attr, namespaces)
return setmetatable(stanza, stanza_mt);
end
+local function is_stanza(s)
+ return getmetatable(s) == stanza_mt;
+end
+
function stanza_mt:query(xmlns)
return self:tag("query", { xmlns = xmlns });
end
@@ -422,6 +427,7 @@ end
return {
stanza_mt = stanza_mt;
stanza = new_stanza;
+ is_stanza = is_stanza;
new_id = new_id;
preserialize = preserialize;
deserialize = deserialize;