diff options
Diffstat (limited to 'util/stanza.lua')
| -rw-r--r-- | util/stanza.lua | 74 |
1 files changed, 38 insertions, 36 deletions
diff --git a/util/stanza.lua b/util/stanza.lua index 82601e63..dc1600b0 100644 --- a/util/stanza.lua +++ b/util/stanza.lua @@ -35,13 +35,12 @@ end local xmlns_stanzas = "urn:ietf:params:xml:ns:xmpp-stanzas"; -module "stanza" +local _ENV = nil; -stanza_mt = { __type = "stanza" }; +local stanza_mt = { __type = "stanza" }; stanza_mt.__index = stanza_mt; -local stanza_mt = stanza_mt; -function stanza(name, attr) +local function stanza(name, attr) local stanza = { name = name, attr = attr or {}, tags = {} }; return setmetatable(stanza, stanza_mt); end @@ -200,12 +199,8 @@ function stanza_mt:find(path) end -local xml_escape -do - local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; - function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end - _M.xml_escape = xml_escape; -end +local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; +local function xml_escape(str) return (s_gsub(str, "['&<>\"]", escape_table)); end local function _dostring(t, buf, self, xml_escape, parentns) local nsid = 0; @@ -280,15 +275,13 @@ function stanza_mt.get_error(stanza) return type, condition or "undefined-condition", text; end -do - local id = 0; - function new_id() - id = id + 1; - return "lx"..id; - end +local id = 0; +local function new_id() + id = id + 1; + return "lx"..id; end -function preserialize(stanza) +local function preserialize(stanza) local s = { name = stanza.name, attr = stanza.attr }; for _, child in ipairs(stanza) do if type(child) == "table" then @@ -300,7 +293,7 @@ function preserialize(stanza) return s; end -function deserialize(stanza) +local function deserialize(stanza) -- Set metatable if stanza then local attr = stanza.attr; @@ -337,51 +330,48 @@ function deserialize(stanza) 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 new = { name = stanza.name, attr = attr, tags = tags }; 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); end return setmetatable(new, stanza_mt); end -clone = _clone; -function message(attr, body) +local function message(attr, body) if not body then return stanza("message", attr); else return stanza("message", attr):tag("body"):text(body):up(); end end -function iq(attr) +local function iq(attr) if attr and not attr.id then attr.id = new_id(); end return stanza("iq", attr or { id = new_id() }); end -function reply(orig) +local function reply(orig) return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or orig.attr.type) }); end -do - local xmpp_stanzas_attr = { xmlns = xmlns_stanzas }; - function error_reply(orig, type, condition, message) - local t = reply(orig); - t.attr.type = "error"; - t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here - :tag(condition, xmpp_stanzas_attr):up(); - if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end - return t; -- stanza ready for adding app-specific errors - end +local xmpp_stanzas_attr = { xmlns = xmlns_stanzas }; +local function error_reply(orig, type, condition, message) + local t = reply(orig); + t.attr.type = "error"; + t:tag("error", {type = type}) --COMPAT: Some day xmlns:stanzas goes here + :tag(condition, xmpp_stanzas_attr):up(); + if (message) then t:tag("text", xmpp_stanzas_attr):text(message):up(); end + return t; -- stanza ready for adding app-specific errors end -function presence(attr) +local function presence(attr) return stanza("presence", attr); end @@ -425,4 +415,16 @@ else stanza_mt.pretty_top_tag = stanza_mt.top_tag; end -return _M; +return { + stanza_mt = stanza_mt; + stanza = stanza; + new_id = new_id; + preserialize = preserialize; + deserialize = deserialize; + clone = clone; + message = message; + iq = iq; + reply = reply; + error_reply = error_reply; + presence = presence; +}; |