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-rw-r--r--util/datetime.lua21
1 files changed, 20 insertions, 1 deletions
diff --git a/util/datetime.lua b/util/datetime.lua
index cf00e4c3..e853ff78 100644
--- a/util/datetime.lua
+++ b/util/datetime.lua
@@ -10,7 +10,10 @@
-- XEP-0082: XMPP Date and Time Profiles
local os_date = os.date;
+local os_time = os.time;
+local os_difftime = os.difftime;
local error = error;
+local tonumber = tonumber;
module "datetime"
@@ -31,7 +34,23 @@ function legacy(t)
end
function parse(s)
- error("datetime.parse: Not implemented"); -- TODO
+ if s then
+ local year, month, day, hour, min, sec, tzd;
+ year, month, day, hour, min, sec, tzd = s:match("^(%d%d%d%d)-?(%d%d)-?(%d%d)T(%d%d):(%d%d):(%d%d)%.?%d*([Z+%-].*)$");
+ if year then
+ local time_offset = os_difftime(os_time(os_date("*t")), os_time(os_date("!*t"))); -- to deal with local timezone
+ local tzd_offset = 0;
+ if tzd ~= "" and tzd ~= "Z" then
+ local sign, h, m = tzd:match("([+%-])(%d%d):(%d%d)");
+ if not sign then return; end
+ h, m = tonumber(h), tonumber(m);
+ tzd_offset = h * 60 * 60 + m * 60;
+ if sign == "-" then tzd_offset = -tzd_offset; end
+ end
+ sec = sec + time_offset + tzd_offset;
+ return os_time({year=year, month=month, day=day, hour=hour, min=min, sec=sec});
+ end
+ end
end
return _M;