--- /dev/null
+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 _, 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() -- luacheck: ignore 212
+ 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() -- luacheck: ignore 212
+ 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() -- luacheck: ignore 212
+ return "+0000"
+end
+function t:Z() -- luacheck: ignore 212
+ return "GMT"
+end
+-- A literal '%' character.
+t["%"] = function(self) -- luacheck: ignore 212
+ 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
+
+local function asctime(timetable)
+ -- Equivalent to the format string "%c\n"
+ return strformat(t.c(timetable, c_locale)) .. "\n"
+end
+
+return {
+ strftime = strftime;
+ asctime = asctime;
+}
projects / etc / awesome.git / blobdiff