Module:Dts
From Timelines
Documentation for this module may be created at Module:Dts/doc
local getArgs = require('Module:Arguments').getArgs -------------------------------------------------------------------------------- -- Dts class -------------------------------------------------------------------------------- local Dts = {} Dts.__index = Dts Dts.monthsSearch = { "jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec" } Dts.monthsAbr = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" } Dts.months = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" } function Dts.new(args) local self = setmetatable({}, Dts) self.fmt = "mdy" self.abbr = false --default if args[1] and (not args[2]) then for _, val in pairs(mw.text.split(args[1],"[%s/-]")) do self:annonval(val, true) end else for key, val in pairs(args) do if tonumber(key) then self:annonval(val) end end end if args.format then self.fmt = args.format end if args.abbr then if args.abbr == "on" then self.abbr=true else self.abbr=false end end if (self.year==0) then --not valid. placeholder for no-year self.year = nil end return self end function Dts:setmonth(raw) if not raw then self.month = nil return false end local numbermonth = tonumber(raw) if numbermonth and numbermonth > 0 and numbermonth < 13 then self.month = numbermonth return true end for i, mon in pairs(self.monthsSearch) do if string.find(string.lower(raw),mon) then self.month=i if string.find(string.lower(raw),string.lower(self.months[i])) then self.abbr=false else self.abbr=true end return true end end return false end function Dts:annonval(val, dayfirst) local numberval if val then numberval = tonumber(mw.text.trim(val,"%s%t,")) end if (not val) or (type(val)=="table") or (mw.text.trim(val)=="") then numberval = 0 end if not numberval then if mw.text.trim(string.lower(val)) == "bc" then if (not self.year) then self.year = self.day self.day = nil end if self.year then self.year = 0 - self.year end else if self:setmonth(val,dayfirst) and dayfirst and self.year and (not self.day) and (self.year > 0) and (self.year<31) then self.day = self.year self.year = nil self.fmt = "dmy" end end return end if self.month and (not self.day) and (numberval < 32) and (numberval > 0) then self.day = numberval return end if self.year and (not self.month) then self.month = numberval return end if (not self.year) then self.year = numberval return end end function Dts:monthName() if (not self.month) or (self.month < 0) or (self.month > 12) then return "" end if self.abbr then return self.monthsAbr[self.month] else return self.months[self.month] end end function Dts:makeSortKey() local year = self.year or os.date("*t").year year = year > 0 and year or -10000 - year return string.format( "%05d-%02d-%02d-%02d%02d", year, self.month or 1, self.day or 1, 0, 0 ) end function Dts:makeDisplay() local ret = {} if self.day then if self.fmt == "mdy" then ret[#ret + 1] = self:monthName() ret[#ret + 1] = ' ' ret[#ret + 1] = self.day if self.year then ret[#ret + 1] = ',' end else ret[#ret + 1] = self.day ret[#ret + 1] = ' ' ret[#ret + 1] = self:monthName() end elseif self.month then ret[#ret + 1] = self:monthName() end if self.year then if self.month then ret[#ret + 1] = ' ' end ret[#ret + 1] = math.abs(self.year) if self.year < 0 then ret[#ret + 1] = ' BC' end end return table.concat(ret) end function Dts:__tostring() local root = mw.html.create() root :tag('span') :addClass('sortkey') :css('display', 'none') :css('speak', 'none') :wikitext(self:makeSortKey()) :done() :tag('span') :css('white-space', 'nowrap') :wikitext(self:makeDisplay()) return tostring(root) end -------------------------------------------------------------------------------- -- Exports -------------------------------------------------------------------------------- local p = {} function p._main(args) local dts = Dts.new(args) return tostring(dts) end function p.main(frame) local args = getArgs(frame, { wrappers = 'Template:Dts', removeBlanks = false }) return p._main(args) end return p