1 -- Copyright (C) 2011-2014 Kim Alvefur
3 -- This project is MIT/X11 licensed. Please see the
4 -- COPYING file in the source package for more information.
10 local st = require "util.stanza";
11 local t_insert, t_concat = table.insert, table.concat;
13 local next, pairs, ipairs = next, pairs, ipairs;
15 local from_text, to_text, from_xep54, to_xep54;
17 local line_sep = "\n";
19 local vCard_dtd; -- See end of file
21 local function fold_line()
22 error "Not implemented" --TODO
24 local function unfold_line()
25 error "Not implemented"
26 -- gsub("\r?\n[ \t]([^\r\n])", "%1");
29 local function vCard_esc(s)
30 return s:gsub("[,:;\\]", "\\%1"):gsub("\n","\\n");
33 local function vCard_unesc(s)
34 return s:gsub("\\?[\\nt:;,]", {
39 ["\\:"] = ":", -- FIXME Shouldn't need to espace : in values, just params
48 local function item_to_xep54(item)
49 local t = st.stanza(item.name, { xmlns = "vcard-temp" });
51 local prop_def = vCard_dtd[item.name];
52 if prop_def == "text" then
54 elseif type(prop_def) == "table" then
55 if prop_def.types and item.TYPE then
56 if type(item.TYPE) == "table" then
57 for _,v in pairs(prop_def.types) do
58 for _,typ in pairs(item.TYPE) do
59 if typ:upper() == v then
66 t:tag(item.TYPE:upper()):up();
70 if prop_def.props then
71 for _,v in pairs(prop_def.props) do
78 if prop_def.value then
79 t:tag(prop_def.value):text(item[1]):up();
80 elseif prop_def.values then
81 local prop_def_values = prop_def.values;
82 local repeat_last = prop_def_values.behaviour == "repeat-last" and prop_def_values[#prop_def_values];
84 t:tag(prop_def.values[i] or repeat_last):text(item[i]):up();
92 local function vcard_to_xep54(vCard)
93 local t = st.stanza("vCard", { xmlns = "vcard-temp" });
95 t:add_child(item_to_xep54(vCard[i]));
100 function to_xep54(vCards)
101 if not vCards[1] or vCards[1].name then
102 return vcard_to_xep54(vCards)
104 local t = st.stanza("xCard", { xmlns = "vcard-temp" });
106 t:add_child(vcard_to_xep54(vCards[i]));
112 function from_text(data)
113 data = data -- unfold and remove empty lines
118 local c; -- current item
119 for line in data:gmatch("[^\n]+") do
120 local line = vCard_unesc(line);
121 local name, params, value = line:match("^([-%a]+)(\30?[^\29]*)\29(.*)$");
122 value = value:gsub("\29",":");
125 for k,isval,v in params:gmatch("\30([^=]+)(=?)([^\30]*)") do
128 for _p in v:gmatch("[^\31]+") do
140 if name == "BEGIN" and value == "VCARD" then
142 vCards[#vCards+1] = c;
143 elseif name == "END" and value == "VCARD" then
145 elseif c and vCard_dtd[name] then
146 local dtd = vCard_dtd[name];
147 local p = { name = name };
153 for _, t in ipairs(dtd.types) do
155 if ( params.TYPE and params.TYPE[t] == true)
156 or params[t] == true then
162 for _, p in ipairs(dtd.props) do
164 if params[p] == true then
167 for _, prop in ipairs(params[p]) do
174 if dtd == "text" or dtd.value then
176 elseif dtd.values then
177 local value = "\30"..value;
178 for p in value:gmatch("\30([^\30]*)") do
188 local function item_to_text(item)
191 value[i] = vCard_esc(item[i]);
193 value = t_concat(value, ";");
196 for k,v in pairs(item) do
197 if type(k) == "string" and k ~= "name" then
198 params = params .. (";%s=%s"):format(k, type(v) == "table" and t_concat(v,",") or v);
202 return ("%s%s:%s"):format(item.name, params, value)
205 local function vcard_to_text(vcard)
207 t_insert(t, "BEGIN:VCARD")
209 t_insert(t, item_to_text(vcard[i]));
211 t_insert(t, "END:VCARD")
212 return t_concat(t, line_sep);
215 function to_text(vCards)
216 if vCards[1] and vCards[1].name then
217 return vcard_to_text(vCards)
221 t[i]=vcard_to_text(vCards[i]);
223 return t_concat(t, line_sep);
227 local function from_xep54_item(item)
228 local prop_name = item.name;
229 local prop_def = vCard_dtd[prop_name];
231 local prop = { name = prop_name };
233 if prop_def == "text" then
234 prop[1] = item:get_text();
235 elseif type(prop_def) == "table" then
236 if prop_def.value then --single item
237 prop[1] = item:get_child_text(prop_def.value) or "";
238 elseif prop_def.values then --array
239 local value_names = prop_def.values;
240 if value_names.behaviour == "repeat-last" then
241 for i=1,#item.tags do
242 t_insert(prop, item.tags[i]:get_text() or "");
245 for i=1,#value_names do
246 t_insert(prop, item:get_child_text(value_names[i]) or "");
249 elseif prop_def.names then
250 local names = prop_def.names;
252 if item:get_child(names[i]) then
259 if prop_def.props_verbatim then
260 for k,v in pairs(prop_def.props_verbatim) do
265 if prop_def.types then
266 local types = prop_def.types;
269 if item:get_child(types[i]) then
270 t_insert(prop.TYPE, types[i]:lower());
273 if #prop.TYPE == 0 then
278 -- A key-value pair, within a key-value pair?
279 if prop_def.props then
280 local params = prop_def.props;
282 local name = params[i]
283 local data = item:get_child_text(name);
285 prop[name] = prop[name] or {};
286 t_insert(prop[name], data);
297 local function from_xep54_vCard(vCard)
298 local tags = vCard.tags;
301 t_insert(t, from_xep54_item(tags[i]));
306 function from_xep54(vCard)
307 if vCard.attr.xmlns ~= "vcard-temp" then
308 return nil, "wrong-xmlns";
310 if vCard.name == "xCard" then -- A collection of vCards
312 local vCards = vCard.tags;
314 t[i] = from_xep54_vCard(vCards[i]);
317 elseif vCard.name == "vCard" then -- A single vCard
318 return from_xep54_vCard(vCard)
324 function vcard4:text(node, params, value)
325 self:tag(node:lower())
327 if type(value) == "string" then
328 self:tag("text"):text(value):up()
329 elseif vcard4[node] then
335 function vcard4.N(value)
336 for i, k in ipairs(vCard_dtd.N.values) do
337 value:tag(k):text(value[i]):up();
341 local xmlns_vcard4 = "urn:ietf:params:xml:ns:vcard-4.0"
343 local function item_to_vcard4(item)
344 local typ = item.name:lower();
345 local t = st.stanza(typ, { xmlns = xmlns_vcard4 });
347 local prop_def = vCard4_dtd[typ];
348 if prop_def == "text" then
349 t:tag("text"):text(item[1]):up();
350 elseif type(prop_def) == "table" then
351 if prop_def.values then
352 for i, v in ipairs(prop_def.values) do
353 t:tag(v:lower()):text(item[i] or ""):up();
356 t:tag("unsupported",{xmlns="http://zash.se/protocol/vcardlib"})
359 t:tag("unsupported",{xmlns="http://zash.se/protocol/vcardlib"})
364 local function vcard_to_vcard4xml(vCard)
365 local t = st.stanza("vcard", { xmlns = xmlns_vcard4 });
367 t:add_child(item_to_vcard4(vCard[i]));
372 local function vcards_to_vcard4xml(vCards)
373 if not vCards[1] or vCards[1].name then
374 return vcard_to_vcard4xml(vCards)
376 local t = st.stanza("vcards", { xmlns = xmlns_vcard4 });
378 t:add_child(vcard_to_vcard4xml(vCards[i]));
384 -- This was adapted from http://xmpp.org/extensions/xep-0054.html#dtd
386 VERSION = "text", --MUST be 3.0, so parsing is redundant
399 props_verbatim = { ENCODING = { "b" } },
401 value = "BINVAL", --{ "EXTVAL", },
475 LOGO = "copy of PHOTO",
479 behaviour = "repeat-last",
491 SOUND = "copy of PHOTO",
495 names = { -- The item.name is the value if it's one of these.
507 vCard_dtd.LOGO = vCard_dtd.PHOTO;
508 vCard_dtd.SOUND = vCard_dtd.PHOTO;
526 bday = "date-and-or-time",
527 anniversary = "date-and-or-time",
543 lang = "language-tag",
558 clientpidmap = "number, uuid",
568 from_text = from_text;
571 from_xep54 = from_xep54;
574 to_vcard4 = vcards_to_vcard4xml;