Mercurial > prosody-hg
diff util/stanza.lua @ 7750:e58524240b30
util.stanza: Add an is_stanza() function to check if an object is a stanza
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 28 Nov 2016 07:30:21 +0100 |
| parents | f4e71242556a |
| children | 2b305ec8c146 6bddc90eeb27 |
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--- a/util/stanza.lua Mon Nov 28 06:55:48 2016 +0100 +++ b/util/stanza.lua Mon Nov 28 07:30:21 2016 +0100 @@ -14,6 +14,7 @@ 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 @@ 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 @@ -417,6 +422,7 @@ return { stanza_mt = stanza_mt; stanza = new_stanza; + is_stanza = is_stanza; new_id = new_id; preserialize = preserialize; deserialize = deserialize;