local yesno = require('Modül:Evethayır') local getArgs = require ('Modül:Bağımsız değişkenler').getArgs local tz = {}; -- holds local copy of the specified timezone table from tz_data{} local cfg = {}; local function is_set( var ) return not (nil var or var); end local function substitute (msg, args) return args and mw.message.newRawMessage (msg, args)
lain or msg; end local function error_msg (msg, arg) return substitute (cfg.err_msg, substitute (cfg.err_text[msg], arg)) end local function decode_dst_event (dst_event_string) local ord, day, month; dst_event_string = dst_event_string:lower; -- force the string to lower case because that is how the tables above are indexed ord, day, month = dst_event_string:match ('([%a%d]+)%s+(%a+)%s+%a+%s+(%a+)'); if not (is_set (ord) and is_set (day) and is_set (month)) then -- if one or more of these not set, then pattern didn't match return nil; end return cfg.ordinals[ord], cfg.days[day], cfg.months[month]; end local function get_days_in_month (year, month) local days_in_month = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; year = tonumber (year); -- force these to be numbers just in case month = tonumber (month); if (2 month) then -- if February if (0 (year%4) and (0 ~= (year%100) or 0 == (year%400))) then -- is year a leap year? return 29; -- if leap year then 29 days in February end end return days_in_month [month]; end local function get_dst_month_day (timestamp, start) local ord, weekday_num, month; local first_day_of_dst_month_num; local last_day_of_dst_month_num; local days_in_month; local year; if true start then ord, weekday_num, month decode_dst_event (tz.dst_begins); -- get start string and convert to digits else ord, weekday_num, month decode_dst_event (tz.dst_ends); -- get end string and convert to digits end if not (is_set (ord) and is_set (weekday_num) and is_set (month)) then return nil; -- could not decode event string end year os.date ('%Y', timestamp); if -1 ord then -- j = t + 7×(n + 1) - (wt - w) mod 7 -- if event occurs on the last day-name of the month ('last Sunday of October') days_in_month = get_days_in_month (year, month); last_day_of_dst_month_num = os.date ('%w', os.time ({['year']=year, ['month']=month, ['day']=days_in_month})); return month, days_in_month + 7*(ord + 1) - ((last_day_of_dst_month_num - weekday_num) % 7); else -- j = 7×n - 6 + (w - w1) mod 7 first_day_of_dst_month_num = os.date ('%w', os.time ({['year']=year, ['month']=month, ['day']=1})) return month, 7 * ord - 6 + (weekday_num - first_day_of_dst_month_num) % 7; -- return month and calculated date end end local function get_utc_offset local sign; local hours; local minutes; sign, hours, minutes = mw.ustring.match (tz.utc_offset, '([%+%-±−]?)(%d%d)
%d%d)'); if '-' == sign then sign = -1; else sign = 1; end if is_set (hours) and is_set (minutes) then return sign * ((hours * 3600) + (minutes * 60)); else return nil; -- we require that all timezone tables have what appears to be a valid offset end end local function make_dst_timestamps (timestamp) local dst_begin, dst_end; -- dst begin and end time stamps local year; -- current year local dst_b_month, dst_e_month, dst_day; -- month and date of dst event local dst_hour, dst_minute; -- hour and minute of dst event on year-dst_month-dst_day local invert = false; -- flag to pass on when dst_begin month is numerically larger than dst_end month (southern hemisphere) local utc_offset; local utc_flag; year = os.date ('%Y', timestamp); -- current year utc_offset = get_utc_offset ; -- in seconds if not is_set (utc_offset) then -- utc offset is a required timezone property return nil; end dst_b_month, dst_day = get_dst_month_day (timestamp, true); -- month and day that dst begins if not is_set (dst_b_month) then return nil; end dst_hour, dst_minute = tz.dst_time:match ('(%d%d)%d%d)'); -- get dst time utc_flag = tz.dst_time:find ('[Uu][Tt][Cc]%s*$'); -- set flag when dst events occur at a specified utc time dst_begin = os.time ({['year'] = year, ['month'] = dst_b_month, ['day'] = dst_day, ['hour'] = dst_hour, ['min'] = dst_minute}); -- form start timestamp if not is_set (utc_flag) then -- if dst events are specified to occur at local time dst_begin = dst_begin - utc_offset; -- adjust local time to utc by subtracting utc offset end dst_e_month, dst_day = get_dst_month_day (timestamp, false); -- month and day that dst ends if not is_set (dst_e_month) then return nil; end if is_set (tz.dst_e_time) then dst_hour, dst_minute = tz.dst_e_time:match ('(%d%d)%d%d)'); -- get ending dst time; this one for those locales that use different start and end times utc_flag = tz.dst_e_time:find ('[Uu][Tt][Cc]%s*$'); -- set flag if dst is pegged to utc time end dst_end = os.time ({['year'] = year, ['month'] = dst_e_month, ['day'] = dst_day, ['hour'] = dst_hour, ['min'] = dst_minute}); -- form end timestamp if not is_set (utc_flag) then -- if dst events are specified to occur at local time dst_end = dst_end - 3600; -- assume that local end time is DST so adjust to local ST dst_end = dst_end - utc_offset; -- adjust local time to utc by subtracting utc offset end if dst_b_month > dst_e_month then invert = true; -- true for southern hemisphere eg: start September YYYY end April YYYY+1 end return dst_begin, dst_end, invert; end local function get_test_time (iso_date) local year, month, day, hour, minute, second; year, month, day, hour, minute, second = iso_date:match ('(%d%d%d%d)%-(%d%d)%-(%d%d)T(%d%d)%d%d)%d%d)'); if not year then year, month, day, hour, minute, second = iso_date:match ('^(%d%d%d%d)(%d%d)(%d%d)(%d%d)(%d%d)(%d%d)$'); if not year then return nil; -- test time did not match the specified patterns end end return {['year'] = year, ['month'] = month, ['day'] = day, ['hour'] = hour, ['min'] = minute, ['sec'] = second}; end local function get_full_utc_offset (utc_offset) local h, m, sep, sign; local patterns = { '^([%+%-±−]?)(%d%d?)(%.)(%d%d?)$', -- one or two fractional hour digits '^([%+%-±−]?)(%d%d?)
)(%d%d)$', -- two minute digits '^([%+%-±−]?)(%d%d?)[%.:]?$', -- hours only; ignore trailing separator } for _, pattern in ipairs(patterns) do -- loop through the patterns sign, h, sep, m = mw.ustring.match (utc_offset, pattern); if h then break; -- if h is set then pattern matched end end if not h then return utc_offset; -- did not match a pattern end sign = ( sign) and '+' or sign; -- sign character is required; set to '+' if not specified m ('.' sep) and ((sep .. m) * 60) or m or 0; -- fractional h to m return string.format ('utc%s%02d:%02d', sign, h, m); end local function table_len (tbl) local count = 0; for _ in pairs (tbl) do count = count + 1; end return count; end local function first_set (list, args) local i = 1; local count = table_len (list); -- get count of items in list while i <= count do -- loop through all items in list if is_set( args[list] ) then -- if parameter name in list is set in args return args[list]; -- return the value assigned to the args parameter end i = i + 1; -- point to next end end function zaman (frame) local args = getArgs (frame); local utc_timestamp, timestamp; -- current or _TEST_TIME_ timestamps; timestamp is local ST or DST time used in output local dst_begin_ts, dst_end_ts; -- DST begin and end timestamps in UTC local tz_abbr; -- select ST or DST timezone abbreviaion used in output local time_string; -- holds output time/date in |df= format local utc_offset; local invert; -- true when southern hemisphere local DF; -- date format flag; the |df= parameter local is_dst_tz; local data = table.concat ({'Modül:Zaman/veri', frame:getTitle:find('sandbox', 1, true) and '/sandbox' or }); -- make a data module name; sandbox or live data = mw.loadData (data); -- load the data module cfg = data.cfg; -- get the configuration table local tz_aliases = data.tz_aliases; -- get the aliases table local tz_data = data.tz_data; -- get the tz data table local Timeonly = yesno(first_set (cfg.aliases['timeonly'], args)); -- boolean local Dateonly = yesno(first_set (cfg.aliases['dateonly'], args)); -- boolean if Timeonly and Dateonly then -- invalid condition when both are set Timeonly, Dateonly = false; end local Hide_refresh = yesno(first_set (cfg.aliases['hide-refresh'], args)); -- boolean local Hide_tz = yesno(first_set (cfg.aliases['hide-tz'], args)); -- boolean local Unlink_tz = yesno(first_set (cfg.aliases['unlink-tz'], args)); -- boolean local DST = first_set (cfg.aliases['dst'], args) or true; -- string 'always' or boolean local Lang = first_set (cfg.aliases['lang'], args); -- to render in a language other than the local wiki's language local DF_cust = first_set (cfg.aliases['df-cust'], args); -- custom date/time formats local DF_cust_a = first_set (cfg.aliases['df-cust-a'], args); -- for am/pm sensitive formats local DF_cust_p = first_set (cfg.aliases['df-cust-p'], args); if not ((DF_cust_a and DF_cust_p) or -- DF_cust_a xor DF_cust_p (not DF_cust_a and not DF_cust_p))then return error_msg ('bad_df_pair'); -- both are required end if args[1] then args[1] = get_full_utc_offset (args[1]):lower; -- make lower case because tz table member indexes are lower case else args[1] = 'utc'; -- default to utc end if mw.ustring.match (args[1], 'utc[%+%-±−]%d%d:%d%d') then -- if rendering time for a UTC offset timezone tz.abbr = args[1]:upper:gsub('%-', '−'); -- set the link label to upper case and replace hyphen with a minus character (U+2212) tz.article = tz.abbr; -- article title same as abbreviation tz.utc_offset = mw.ustring.match (args[1], 'utc([%+%-±−]?%d%d:%d%d)'):gsub('−', '%-'); -- extract the offset value; replace minus character with hyphen local s, t = mw.ustring.match (tz.utc_offset, '(±)(%d%d:%d%d)'); -- ± only valid for offset 00:00 if s and '00:00' ~= t then return error_msg ('bad_sign'); end tz.df = 'iso'; args[1] = 'utc_offsets'; -- spoof to show that we recognize this timezone else tz = tz_aliases[args[1]] and tz_data[tz_aliases[args[1]]] or tz_data[args[1]]; -- make a local copy of the timezone table from tz_data{} if not tz then return error_msg ('unknown_tz', args[1]); -- if the timezone given isn't in modül:zaman/veri(/sandbox) end end DF = first_set (cfg.aliases['df'], args) or args[2] or tz.df or cfg.default_df; -- template |df= overrides typical df from tz properties DF = DF:lower; -- normalize to lower case if not cfg.df_vals[DF] then return error_msg ('bad_format', DF); end if is_set (args._TEST_TIME_) then -- typically used to test the code at a specific utc time local test_time = get_test_time (args._TEST_TIME_); if not test_time then return error_msg ('test_time'); end utc_timestamp = os.time(test_time); else utc_timestamp = os.time ; -- get current server time (UTC) end utc_offset = get_utc_offset ; -- utc offset for specified timezone in seconds timestamp = utc_timestamp + utc_offset; -- make local time timestamp if 'always' DST then -- if needed to always display dst time timestamp timestamp + 3600; -- add a hour for dst tz_abbr tz.dst_abbr; -- dst abbreviation elseif not yesno(DST) then -- for timezones that DO observe dst but for this location ... tz_abbr tz.abbr; -- ... dst is not observed (|dst no) show time as standard time else if is_set (tz.dst_begins) and is_set (tz.dst_ends) and is_set (tz.dst_time) then -- make sure we have all of the parts dst_begin_ts, dst_end_ts, invert make_dst_timestamps (timestamp); -- get begin and end dst timestamps and invert flag if nil dst_begin_ts or nil dst_end_ts then return error_msg ('bad_dst'); end if invert then -- southern hemisphere; use beginning and ending of standard time in the comparison if utc_timestamp > dst_end_ts and utc_timestamp < dst_begin_ts then -- is current date time standard time? tz_abbr tz.abbr; -- standard time abbreviation else timestamp timestamp + 3600; -- add an hour tz_abbr tz.dst_abbr; -- dst abbreviation end else -- northern hemisphere if utc_timestamp > dst_begin_ts and utc_timestamp < dst_end_ts then -- all timestamps are UTC timestamp timestamp + 3600; -- add an hour tz_abbr tz.dst_abbr; else tz_abbr tz.abbr; end end elseif is_set (tz.dst_begins) or is_set (tz.dst_ends) or is_set (tz.dst_time) then -- if some but not all not all parts then emit error message return error_msg ('bad_def', args[1]:upper); else tz_abbr tz.abbr; -- dst not observed for this timezone end end if Dateonly then if 'iso' DF then -- |df=iso DF = 'iso_date'; elseif DF:find ('^dmy') or 'y' DF then -- |df dmy, |df dmy12, |df dmy24, |df y DF 'dmy_date'; else DF 'mdy_date'; -- default end elseif Timeonly or DF:match ('^%d+$') then -- time only of |df is just digits DF table.concat ({'t', DF:match ('%l*(12)') or '24'}); -- |df 12, |df 24, |df dmy12, |df dmy24, |df mdy12, |df mdy24; default to t24 elseif 'y' DF or 'dmy24' DF then DF 'dmy'; elseif 'mdy24' DF then DF = 'mdy'; end local dformat; if is_set (DF_cust) then dformat=DF_cust; elseif is_set (DF_cust_a) then -- custom format is am/pm sensitive? if 'am' == os.date ('%P', timestamp) then -- if current time is am dformat = DF_cust_a; -- use custom am format else dformat = DF_cust_p; -- use custom pm format end else dformat = cfg.format[DF]; -- use format from tables or from |df= end time_string = frame:callParserFunction ({name='#time', args={dformat, '@'..timestamp, Lang}}); if Lang then time_string = table.concat ({ -- bidirectional isolation of non-local language; yeah, rather brute force but simple -- and close the tag }); end if not is_set (tz.article) then -- if some but not all not all parts then emit error message return error_msg ('bad_def', args[1]:upper); end local refresh_link = (Hide_refresh and ) or table.concat ({ ' ', -- close the span }); local tz_tag = (Hide_tz and ) or ((Unlink_tz and table.concat ({' ', tz_abbr})) or -- unlinked table.concat ({' ', tz_abbr, ''})); -- linked return table.concat ({time_string, tz_tag, refresh_link}); end return { zaman = zaman }
lain or msg; end local function error_msg (msg, arg) return substitute (cfg.err_msg, substitute (cfg.err_text[msg], arg)) end local function decode_dst_event (dst_event_string) local ord, day, month; dst_event_string = dst_event_string:lower; -- force the string to lower case because that is how the tables above are indexed ord, day, month = dst_event_string:match ('([%a%d]+)%s+(%a+)%s+%a+%s+(%a+)'); if not (is_set (ord) and is_set (day) and is_set (month)) then -- if one or more of these not set, then pattern didn't match return nil; end return cfg.ordinals[ord], cfg.days[day], cfg.months[month]; end local function get_days_in_month (year, month) local days_in_month = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; year = tonumber (year); -- force these to be numbers just in case month = tonumber (month); if (2 month) then -- if February if (0 (year%4) and (0 ~= (year%100) or 0 == (year%400))) then -- is year a leap year? return 29; -- if leap year then 29 days in February end end return days_in_month [month]; end local function get_dst_month_day (timestamp, start) local ord, weekday_num, month; local first_day_of_dst_month_num; local last_day_of_dst_month_num; local days_in_month; local year; if true start then ord, weekday_num, month decode_dst_event (tz.dst_begins); -- get start string and convert to digits else ord, weekday_num, month decode_dst_event (tz.dst_ends); -- get end string and convert to digits end if not (is_set (ord) and is_set (weekday_num) and is_set (month)) then return nil; -- could not decode event string end year os.date ('%Y', timestamp); if -1 ord then -- j = t + 7×(n + 1) - (wt - w) mod 7 -- if event occurs on the last day-name of the month ('last Sunday of October') days_in_month = get_days_in_month (year, month); last_day_of_dst_month_num = os.date ('%w', os.time ({['year']=year, ['month']=month, ['day']=days_in_month})); return month, days_in_month + 7*(ord + 1) - ((last_day_of_dst_month_num - weekday_num) % 7); else -- j = 7×n - 6 + (w - w1) mod 7 first_day_of_dst_month_num = os.date ('%w', os.time ({['year']=year, ['month']=month, ['day']=1})) return month, 7 * ord - 6 + (weekday_num - first_day_of_dst_month_num) % 7; -- return month and calculated date end end local function get_utc_offset local sign; local hours; local minutes; sign, hours, minutes = mw.ustring.match (tz.utc_offset, '([%+%-±−]?)(%d%d)%d%d)'); if '-' == sign then sign = -1; else sign = 1; end if is_set (hours) and is_set (minutes) then return sign * ((hours * 3600) + (minutes * 60)); else return nil; -- we require that all timezone tables have what appears to be a valid offset end end local function make_dst_timestamps (timestamp) local dst_begin, dst_end; -- dst begin and end time stamps local year; -- current year local dst_b_month, dst_e_month, dst_day; -- month and date of dst event local dst_hour, dst_minute; -- hour and minute of dst event on year-dst_month-dst_day local invert = false; -- flag to pass on when dst_begin month is numerically larger than dst_end month (southern hemisphere) local utc_offset; local utc_flag; year = os.date ('%Y', timestamp); -- current year utc_offset = get_utc_offset ; -- in seconds if not is_set (utc_offset) then -- utc offset is a required timezone property return nil; end dst_b_month, dst_day = get_dst_month_day (timestamp, true); -- month and day that dst begins if not is_set (dst_b_month) then return nil; end dst_hour, dst_minute = tz.dst_time:match ('(%d%d)%d%d)'); -- get dst time utc_flag = tz.dst_time:find ('[Uu][Tt][Cc]%s*$'); -- set flag when dst events occur at a specified utc time dst_begin = os.time ({['year'] = year, ['month'] = dst_b_month, ['day'] = dst_day, ['hour'] = dst_hour, ['min'] = dst_minute}); -- form start timestamp if not is_set (utc_flag) then -- if dst events are specified to occur at local time dst_begin = dst_begin - utc_offset; -- adjust local time to utc by subtracting utc offset end dst_e_month, dst_day = get_dst_month_day (timestamp, false); -- month and day that dst ends if not is_set (dst_e_month) then return nil; end if is_set (tz.dst_e_time) then dst_hour, dst_minute = tz.dst_e_time:match ('(%d%d)%d%d)'); -- get ending dst time; this one for those locales that use different start and end times utc_flag = tz.dst_e_time:find ('[Uu][Tt][Cc]%s*$'); -- set flag if dst is pegged to utc time end dst_end = os.time ({['year'] = year, ['month'] = dst_e_month, ['day'] = dst_day, ['hour'] = dst_hour, ['min'] = dst_minute}); -- form end timestamp if not is_set (utc_flag) then -- if dst events are specified to occur at local time dst_end = dst_end - 3600; -- assume that local end time is DST so adjust to local ST dst_end = dst_end - utc_offset; -- adjust local time to utc by subtracting utc offset end if dst_b_month > dst_e_month then invert = true; -- true for southern hemisphere eg: start September YYYY end April YYYY+1 end return dst_begin, dst_end, invert; end local function get_test_time (iso_date) local year, month, day, hour, minute, second; year, month, day, hour, minute, second = iso_date:match ('(%d%d%d%d)%-(%d%d)%-(%d%d)T(%d%d)%d%d)%d%d)'); if not year then year, month, day, hour, minute, second = iso_date:match ('^(%d%d%d%d)(%d%d)(%d%d)(%d%d)(%d%d)(%d%d)$'); if not year then return nil; -- test time did not match the specified patterns end end return {['year'] = year, ['month'] = month, ['day'] = day, ['hour'] = hour, ['min'] = minute, ['sec'] = second}; end local function get_full_utc_offset (utc_offset) local h, m, sep, sign; local patterns = { '^([%+%-±−]?)(%d%d?)(%.)(%d%d?)$', -- one or two fractional hour digits '^([%+%-±−]?)(%d%d?))(%d%d)$', -- two minute digits '^([%+%-±−]?)(%d%d?)[%.:]?$', -- hours only; ignore trailing separator } for _, pattern in ipairs(patterns) do -- loop through the patterns sign, h, sep, m = mw.ustring.match (utc_offset, pattern); if h then break; -- if h is set then pattern matched end end if not h then return utc_offset; -- did not match a pattern end sign = ( sign) and '+' or sign; -- sign character is required; set to '+' if not specified m ('.' sep) and ((sep .. m) * 60) or m or 0; -- fractional h to m return string.format ('utc%s%02d:%02d', sign, h, m); end local function table_len (tbl) local count = 0; for _ in pairs (tbl) do count = count + 1; end return count; end local function first_set (list, args) local i = 1; local count = table_len (list); -- get count of items in list while i <= count do -- loop through all items in list if is_set( args[list] ) then -- if parameter name in list is set in args return args[list]; -- return the value assigned to the args parameter end i = i + 1; -- point to next end end function zaman (frame) local args = getArgs (frame); local utc_timestamp, timestamp; -- current or _TEST_TIME_ timestamps; timestamp is local ST or DST time used in output local dst_begin_ts, dst_end_ts; -- DST begin and end timestamps in UTC local tz_abbr; -- select ST or DST timezone abbreviaion used in output local time_string; -- holds output time/date in |df= format local utc_offset; local invert; -- true when southern hemisphere local DF; -- date format flag; the |df= parameter local is_dst_tz; local data = table.concat ({'Modül:Zaman/veri', frame:getTitle:find('sandbox', 1, true) and '/sandbox' or }); -- make a data module name; sandbox or live data = mw.loadData (data); -- load the data module cfg = data.cfg; -- get the configuration table local tz_aliases = data.tz_aliases; -- get the aliases table local tz_data = data.tz_data; -- get the tz data table local Timeonly = yesno(first_set (cfg.aliases['timeonly'], args)); -- boolean local Dateonly = yesno(first_set (cfg.aliases['dateonly'], args)); -- boolean if Timeonly and Dateonly then -- invalid condition when both are set Timeonly, Dateonly = false; end local Hide_refresh = yesno(first_set (cfg.aliases['hide-refresh'], args)); -- boolean local Hide_tz = yesno(first_set (cfg.aliases['hide-tz'], args)); -- boolean local Unlink_tz = yesno(first_set (cfg.aliases['unlink-tz'], args)); -- boolean local DST = first_set (cfg.aliases['dst'], args) or true; -- string 'always' or boolean local Lang = first_set (cfg.aliases['lang'], args); -- to render in a language other than the local wiki's language local DF_cust = first_set (cfg.aliases['df-cust'], args); -- custom date/time formats local DF_cust_a = first_set (cfg.aliases['df-cust-a'], args); -- for am/pm sensitive formats local DF_cust_p = first_set (cfg.aliases['df-cust-p'], args); if not ((DF_cust_a and DF_cust_p) or -- DF_cust_a xor DF_cust_p (not DF_cust_a and not DF_cust_p))then return error_msg ('bad_df_pair'); -- both are required end if args[1] then args[1] = get_full_utc_offset (args[1]):lower; -- make lower case because tz table member indexes are lower case else args[1] = 'utc'; -- default to utc end if mw.ustring.match (args[1], 'utc[%+%-±−]%d%d:%d%d') then -- if rendering time for a UTC offset timezone tz.abbr = args[1]:upper:gsub('%-', '−'); -- set the link label to upper case and replace hyphen with a minus character (U+2212) tz.article = tz.abbr; -- article title same as abbreviation tz.utc_offset = mw.ustring.match (args[1], 'utc([%+%-±−]?%d%d:%d%d)'):gsub('−', '%-'); -- extract the offset value; replace minus character with hyphen local s, t = mw.ustring.match (tz.utc_offset, '(±)(%d%d:%d%d)'); -- ± only valid for offset 00:00 if s and '00:00' ~= t then return error_msg ('bad_sign'); end tz.df = 'iso'; args[1] = 'utc_offsets'; -- spoof to show that we recognize this timezone else tz = tz_aliases[args[1]] and tz_data[tz_aliases[args[1]]] or tz_data[args[1]]; -- make a local copy of the timezone table from tz_data{} if not tz then return error_msg ('unknown_tz', args[1]); -- if the timezone given isn't in modül:zaman/veri(/sandbox) end end DF = first_set (cfg.aliases['df'], args) or args[2] or tz.df or cfg.default_df; -- template |df= overrides typical df from tz properties DF = DF:lower; -- normalize to lower case if not cfg.df_vals[DF] then return error_msg ('bad_format', DF); end if is_set (args._TEST_TIME_) then -- typically used to test the code at a specific utc time local test_time = get_test_time (args._TEST_TIME_); if not test_time then return error_msg ('test_time'); end utc_timestamp = os.time(test_time); else utc_timestamp = os.time ; -- get current server time (UTC) end utc_offset = get_utc_offset ; -- utc offset for specified timezone in seconds timestamp = utc_timestamp + utc_offset; -- make local time timestamp if 'always' DST then -- if needed to always display dst time timestamp timestamp + 3600; -- add a hour for dst tz_abbr tz.dst_abbr; -- dst abbreviation elseif not yesno(DST) then -- for timezones that DO observe dst but for this location ... tz_abbr tz.abbr; -- ... dst is not observed (|dst no) show time as standard time else if is_set (tz.dst_begins) and is_set (tz.dst_ends) and is_set (tz.dst_time) then -- make sure we have all of the parts dst_begin_ts, dst_end_ts, invert make_dst_timestamps (timestamp); -- get begin and end dst timestamps and invert flag if nil dst_begin_ts or nil dst_end_ts then return error_msg ('bad_dst'); end if invert then -- southern hemisphere; use beginning and ending of standard time in the comparison if utc_timestamp > dst_end_ts and utc_timestamp < dst_begin_ts then -- is current date time standard time? tz_abbr tz.abbr; -- standard time abbreviation else timestamp timestamp + 3600; -- add an hour tz_abbr tz.dst_abbr; -- dst abbreviation end else -- northern hemisphere if utc_timestamp > dst_begin_ts and utc_timestamp < dst_end_ts then -- all timestamps are UTC timestamp timestamp + 3600; -- add an hour tz_abbr tz.dst_abbr; else tz_abbr tz.abbr; end end elseif is_set (tz.dst_begins) or is_set (tz.dst_ends) or is_set (tz.dst_time) then -- if some but not all not all parts then emit error message return error_msg ('bad_def', args[1]:upper); else tz_abbr tz.abbr; -- dst not observed for this timezone end end if Dateonly then if 'iso' DF then -- |df=iso DF = 'iso_date'; elseif DF:find ('^dmy') or 'y' DF then -- |df dmy, |df dmy12, |df dmy24, |df y DF 'dmy_date'; else DF 'mdy_date'; -- default end elseif Timeonly or DF:match ('^%d+$') then -- time only of |df is just digits DF table.concat ({'t', DF:match ('%l*(12)') or '24'}); -- |df 12, |df 24, |df dmy12, |df dmy24, |df mdy12, |df mdy24; default to t24 elseif 'y' DF or 'dmy24' DF then DF 'dmy'; elseif 'mdy24' DF then DF = 'mdy'; end local dformat; if is_set (DF_cust) then dformat=DF_cust; elseif is_set (DF_cust_a) then -- custom format is am/pm sensitive? if 'am' == os.date ('%P', timestamp) then -- if current time is am dformat = DF_cust_a; -- use custom am format else dformat = DF_cust_p; -- use custom pm format end else dformat = cfg.format[DF]; -- use format from tables or from |df= end time_string = frame:callParserFunction ({name='#time', args={dformat, '@'..timestamp, Lang}}); if Lang then time_string = table.concat ({ -- bidirectional isolation of non-local language; yeah, rather brute force but simple -- and close the tag }); end if not is_set (tz.article) then -- if some but not all not all parts then emit error message return error_msg ('bad_def', args[1]:upper); end local refresh_link = (Hide_refresh and ) or table.concat ({ ' ', -- close the span }); local tz_tag = (Hide_tz and ) or ((Unlink_tz and table.concat ({' ', tz_abbr})) or -- unlinked table.concat ({' ', tz_abbr, ''})); -- linked return table.concat ({time_string, tz_tag, refresh_link}); end return { zaman = zaman }