+local strformat = string.format
+local floor = math.floor
+local function idiv ( n , d )
+ return floor ( n / d )
+end
+
+local c_locale = {
+ abday = { "Sun" , "Mon" , "Tue" , "Wed" , "Thu" , "Fri" , "Sat" } ;
+ day = { "Sunday" , "Monday" , "Tuesday" , "Wednesday" , "Thursday" , "Friday" , "Saturday" } ;
+ abmon = { "Jan" , "Feb" , "Mar" , "Apr" , "May" , "Jun" , "Jul" , "Aug" , "Sep" , "Oct" , "Nov" , "Dec" } ;
+ mon = { "January" , "February" , "March" , "April" , "May" , "June" , "July" , "August" , "September" , "October" , "November" , "December" } ;
+ am_pm = { "AM" , "PM" } ;
+}
+
+--- ISO-8601 week logic
+-- ISO 8601 weekday as number with Monday as 1 (1-7)
+local function iso_8601_weekday ( wday )
+ if wday == 1 then
+ return 7
+ else
+ return wday - 1
+ end
+end
+local iso_8601_week do
+ -- Years that have 53 weeks according to ISO-8601
+ local long_years = { }
+ for i, v in ipairs {
+ 4, 9, 15, 20, 26, 32, 37, 43, 48, 54, 60, 65, 71, 76, 82,
+ 88, 93, 99, 105, 111, 116, 122, 128, 133, 139, 144, 150, 156, 161, 167,
+ 172, 178, 184, 189, 195, 201, 207, 212, 218, 224, 229, 235, 240, 246, 252,
+ 257, 263, 268, 274, 280, 285, 291, 296, 303, 308, 314, 320, 325, 331, 336,
+ 342, 348, 353, 359, 364, 370, 376, 381, 387, 392, 398
+ } do
+ long_years [ v ] = true
+ end
+ local function is_long_year ( year )
+ return long_years [ year % 400 ]
+ end
+ function iso_8601_week ( self )
+ local wday = iso_8601_weekday ( self.wday )
+ local n = self.yday - wday
+ local year = self.year
+ if n < -3 then
+ year = year - 1
+ if is_long_year ( year ) then
+ return year , 53 , wday
+ else
+ return year , 52 , wday
+ end
+ elseif n >= 361 and not is_long_year ( year ) then
+ return year + 1 , 1 , wday
+ else
+ return year , idiv ( n + 10 , 7 ) , wday
+ end
+ end
+end
+
+--- Specifiers
+local t = { }
+function t:a ( locale )
+ return "%s" , locale.abday [ self.wday ]
+end
+function t:A ( locale )
+ return "%s" , locale.day [ self.wday ]
+end
+function t:b ( locale )
+ return "%s" , locale.abmon [ self.month ]
+end
+function t:B ( locale )
+ return "%s" , locale.mon [ self.month ]
+end
+function t:c ( locale )
+ return "%.3s %.3s%3d %.2d:%.2d:%.2d %d" ,
+ locale.abday [ self.wday ] , locale.abmon [ self.month ] ,
+ self.day , self.hour , self.min , self.sec , self.year
+end
+-- Century
+function t:C ( )
+ return "%02d" , idiv ( self.year , 100 )
+end
+function t:d ( )
+ return "%02d" , self.day
+end
+-- Short MM/DD/YY date, equivalent to %m/%d/%y
+function t:D ( )
+ return "%02d/%02d/%02d" , self.month , self.day , self.year % 100
+end
+function t:e ( )
+ return "%2d" , self.day
+end
+-- Short YYYY-MM-DD date, equivalent to %Y-%m-%d
+function t:F ( )
+ return "%d-%02d-%02d" , self.year , self.month , self.day
+end
+-- Week-based year, last two digits (00-99)
+function t:g ( )
+ return "%02d" , iso_8601_week ( self ) % 100
+end
+-- Week-based year
+function t:G ( )
+ return "%d" , iso_8601_week ( self )
+end
+t.h = t.b
+function t:H ( )
+ return "%02d" , self.hour
+end
+function t:I ( )
+ return "%02d" , (self.hour-1) % 12 + 1
+end
+function t:j ( )
+ return "%03d" , self.yday
+end
+function t:m ( )
+ return "%02d" , self.month
+end
+function t:M ( )
+ return "%02d" , self.min
+end
+-- New-line character ('\n')
+function t:n ( )
+ return "\n"
+end
+function t:p ( locale )
+ return self.hour < 12 and locale.am_pm[1] or locale.am_pm[2]
+end
+-- TODO: should respect locale
+function t:r ( locale )
+ return "%02d:%02d:%02d %s" ,
+ (self.hour-1) % 12 + 1 , self.min , self.sec ,
+ self.hour < 12 and locale.am_pm[1] or locale.am_pm[2]
+end
+-- 24-hour HH:MM time, equivalent to %H:%M
+function t:R ( )
+ return "%02d:%02d" , self.hour , self.min
+end
+function t:s ( )
+ return "%d" , self:timestamp ( )
+end
+function t:S ( )
+ return "%02d" , self.sec
+end
+-- Horizontal-tab character ('\t')
+function t:t ( )
+ return "\t"
+end
+-- ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S
+function t:T ( )
+ return "%02d:%02d:%02d" , self.hour , self.min , self.sec
+end
+function t:u ( )
+ return "%d" , iso_8601_weekday ( self.wday )
+end
+-- Week number with the first Sunday as the first day of week one (00-53)
+function t:U ( )
+ return "%02d" , idiv ( self.yday - self.wday + 7 , 7 )
+end
+-- ISO 8601 week number (00-53)
+function t:V ( )
+ return "%02d" , select ( 2 , iso_8601_week ( self ) )
+end
+-- Weekday as a decimal number with Sunday as 0 (0-6)
+function t:w ( )
+ return "%d" , self.wday - 1
+end
+-- Week number with the first Monday as the first day of week one (00-53)
+function t:W ( )
+ return "%02d" , idiv ( self.yday - iso_8601_weekday ( self.wday ) + 7 , 7 )
+end
+-- TODO make t.x and t.X respect locale
+t.x = t.D
+t.X = t.T
+function t:y ( )
+ return "%02d" , self.year % 100
+end
+function t:Y ( )
+ return "%d" , self.year
+end
+-- TODO timezones
+function t:z ( )
+ return "+0000"
+end
+function t:Z ( )
+ return "GMT"
+end
+-- A literal '%' character.
+t["%"] = function ( self )
+ return "%%"
+end
+
+local function strftime ( format_string , timetable )
+ return ( string.gsub ( format_string , "%%([EO]?)(.)" , function ( locale_modifier , specifier )
+ local func = t [ specifier ]
+ if func then
+ return strformat ( func ( timetable , c_locale ) )
+ else
+ error ( "invalid conversation specifier '%"..locale_modifier..specifier.."'" , 3 )
+ end
+ end ) )
+end
+
+return {
+ strftime = strftime ;
+}
projects / etc / awesome.git / commitdiff