Модуль:Calendar

Для документации этого модуля может быть создана страница Модуль:Calendar/doc

local p = {}
-- Необходимые модули
local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')
local err = "―" -- NthDay nil result
-- 00) Блок многократно используемых списков
local bool_to_number={ [true]=1, [false]=0 }
local monthlang = {"января","февраля","марта","апреля","мая","июня","июля","августа","сентября","октября","ноября","декабря"}
local params = { {"г", "g"}, {"ю", "j"},  {"нэ", "НЭ", "ac", "AC"}, {"днэ", "ДНЭ", "bc", "BC"}}
local comment = { '<span style="border-bottom: 1px dotted; cursor: help" title="по юлианскому календарю">','</span>'}
local known_tzs = {
   ACDT='+10:30', ACST='+09:30', ACT ='+08:00', ADT  ='-03:00', AEDT ='+11:00',
   AEST='+10:00', AFT ='+04:30', AKDT='-08:00', AKST ='-09:00', AMST ='+05:00',
   AMT ='+04:00', ART ='-03:00', AST ='+03:00', AST  ='+04:00', AST  ='+03:00',
   AST ='-04:00', AWDT='+09:00', AWST='+08:00', AZOST='-01:00', AZT  ='+04:00',
   BDT ='+08:00', BIOT='+06:00', BIT ='-12:00', BOT  ='-04:00', BRT  ='-03:00',
   BST ='+06:00', BST ='+01:00', BTT ='+06:00', CAT  ='+02:00', CCT  ='+06:30',
   CDT ='-05:00', CEDT='+02:00', CEST='+02:00', CET  ='+01:00', CHAST='+12:45',
   CIST='-08:00', CKT ='-10:00', CLST='-03:00', CLT  ='-04:00', COST ='-04:00',
   COT ='-05:00', CST ='-06:00', CST ='+08:00', CVT  ='-01:00', CXT  ='+07:00',
   CHST='+10:00', DFT ='+01:00', EAST='-06:00', EAT  ='+03:00', ECT  ='-04:00',
   ECT ='-05:00', EDT ='-04:00', EEDT='+03:00', EEST ='+03:00', EET  ='+02:00',
   EST ='-05:00', FJT ='+12:00', FKST='-03:00', FKT  ='-04:00', GALT ='-06:00',
   GET ='+04:00', GFT ='-03:00', GILT='+12:00', GIT  ='-09:00', GMT  ='+00:00',
   GST ='-02:00', GYT ='-04:00', HADT='-09:00', HAST ='-10:00', HKT  ='+08:00',
   HMT ='+05:00', HST ='-10:00', IRKT='+08:00', IRST ='+03:30', IST  ='+05:30',
   IST ='+01:00', IST ='+02:00', JST ='+09:00', KRAT ='+07:00', KST  ='+09:00',
   LHST='+10:30', LINT='+14:00', MAGT='+11:00', MDT  ='-06:00', MIT  ='-09:30',
   MSD ='+04:00', MSK ='+03:00', MST ='+08:00', MST  ='-07:00', MST  ='+06:30',
   MUT ='+04:00', NDT ='-02:30', NFT ='+11:30', NPT  ='+05:45', NST  ='-03:30',
   NT  ='-03:30', OMST='+06:00', PDT ='-07:00', PETT ='+12:00', PHOT ='+13:00',
   PKT ='+05:00', PST ='-08:00', PST ='+08:00', RET  ='+04:00', SAMT ='+04:00',
   SAST='+02:00', SBT ='+11:00', SCT ='+04:00', SLT  ='+05:30', SST  ='-11:00',
   SST ='+08:00', TAHT='-10:00', THA ='+07:00', UTC  ='+00:00', UYST ='-02:00',
   UYT ='-03:00', VET ='-04:30', VLAT='+10:00', WAT  ='+01:00', WEDT ='+01:00',
   WEST='+01:00', WET ='+00:00', YAKT='+09:00', YEKT ='+05:00', MSK  ='+03:00',
   -- US Millitary (for RFC-822)
   Z='+00:00', A='-01:00', M='-12:00', N='+01:00', Y='+12:00',
}

local tzs_names = {"ACDT","ACST","ACT","ADT","AEDT","AEST","AFT","AKDT","AKST",
"AMST","AMT","ART","AST","AST","AST","AST","AWDT","AWST","AZOST","AZT","BDT",
"BIOT","BIT","BOT","BRT","BST","BST","BTT","CAT","CCT","CDT","CEDT","CEST",
"CET","CHAST","CIST","CKT","CLST","CLT","COST","COT","CST","CST","CVT","CXT",
"CHST","DFT","EAST","EAT","ECT","ECT","EDT","EEDT","EEST","EET","EST","FJT",
"FKST","FKT","GALT","GET","GFT","GILT","GIT","GMT","GST","GYT","HADT","HAST",
"HKT","HMT","HST","IRKT","IRST","IST","IST","IST","JST","KRAT","KST","LHST",
"LINT","MAGT","MDT","MIT","MSD","MSK","MST","MST","MST","MUT","NDT","NFT",
"NPT","NST","NT","OMST","PDT","PETT","PHOT","PKT","PST","PST","RET","SAMT",
"SAST","SBT","SCT","SLT","SST","SST","TAHT","THA","UTC","UYST","UYT","VET",
"VLAT","WAT","WEDT","WEST","WET","YAKT","YEKT","Z","A","M","N","Y","MSK"}

-- 10) Блок общих функций
local function trim(str)
	if not str then return nil
	else return str:match'^()%s*$' and '' or str:match'^%s*(.*%S)'
	end
end

local function purif(str)
    if str == "" or str == nil then
        return nil
    elseif type(tonumber(str)) == "number" then
        return math.floor(tonumber(str))
    else
        return nil
    end
    -- need .5 -- ,5 number format converter?
end

local function is(str)
	if (not str) or (str == "") then return false
	else return yesno(str,false)
	end
end

local function inbord(val, down, up)
	if type(up) ~= "number" or type(down) ~= "number" or type(val) ~= "number" or up < down or val < down or val > up then
		return false
    else
        return true
    end
end

function shallowcopy(orig)
    local orig_type = type(orig)
    local copy
    if orig_type == 'table' then
        copy = {}
        for orig_key, orig_value in pairs(orig) do
            copy[orig_key] = orig_value
        end
    else -- number, string, boolean, etc
        copy = orig
    end
    return copy
end

local inlist = function ( var, list )
    local n = #list
	local inlist = false
	for i=1,n do
		if var == list[i] then inlist = true end
	end
    return inlist
end

-- 20) Блок общих проверочных функций, связанных с датами

local function isdate ( chain )
	if not chain then return false
	elseif (not type(chain) == "table")
	or (not inbord(chain.year,-9999,9999))
	or (not inbord(chain.month,1,12))
	or (not inbord(chain.day,1,31))
--	or chain.year == 0
	then return false
	else return true end
--  more detailed check for 31.02 needed
--  check for other calendars needed
end

local function ispartdate ( chain )
	if not chain then return false
	elseif not (type(chain) == "table") then return false
	elseif (inbord(chain.year,-9999,9999)
	and (not inbord(chain.month,1,12))
	and inbord(chain.day,1,31)) then return false
	elseif (inbord(chain.year,-9999,9999)
	or inbord(chain.month,1,12)
	or inbord(chain.day,1,31)) then return true
	else return false
	end
--	partial date
--  more detailed check for 31.02.0000 needed
--  check for other calendars needed
end

-- 30) Блок функций для обработки ввода-вывода дат

local numstr2date = function(numstr)
	local nums = {}
    local dateout = {}
    for num in string.gmatch(numstr,"(%d+)") do
        table.insert(nums,purif(num))
    end
    if #nums ~= 3 then error("Wrong format: 3 numbers expected")
    elseif not inbord(nums[2],1,12) then error("Wrong month")
    elseif not inbord(nums[3],1,31) then
        dateout = {["year"]=nums[3], ["month"]=nums[2], ["day"]=nums[1]}
    elseif not inbord(nums[1],1,31) then
        dateout = {["year"]=nums[1], ["month"]=nums[2], ["day"]=nums[3]}
    elseif inbord(nums[1],1,31) then
        dateout = {["year"]=nums[3], ["month"]=nums[2], ["day"]=nums[1]}
    else
--		local lang = mw.getContentLanguage()
--		implement lang:formatDate(format,datein,true) here
        return error("Unable to recognize date")
    end
    return dateout
end

local function year2lang(numyear,yearmark,wiki)
	if not numyear then return "" end
	if not yearmark then yearmark = "" end
	local output = ""
	local bcmark = " до н. э."
	if numyear > 0 then	bcmark = ""
	else numyear = 1 - numyear end
	if wiki then 
		output = table.concat({'[[', numyear,' год',bcmark,'|', numyear,']]', " ", yearmark, " ", bcmark})
	else
		output = table.concat({numyear, " ", yearmark, bcmark})
	end
	return trim(output)
end
	
local function day2lang(datein,wikidate,wiki,inner_brt)
--	if not isdate(wikidate) then wiki = false end
	if not ispartdate(datein) then return "" end
	local dm_separ, output = ""
	if (not (not datein.day)) and (not (not datein.month)) then dm_separ = " " end
	if (not datein.month) then datein.month = "" end
	if (not datein.day) then datein.day = "" end
	local monlan = monthlang[datein.month] or ""
	if wiki and not inner_brt then
		output = table.concat({"[[", wikidate.day, " ", monthlang[wikidate.month] or "",
			"|", (datein.day or ""), dm_separ, monlan, "]]"})
	elseif wiki then
		output = table.concat({"[[", wikidate.day, " ", monthlang[wikidate.month] or "",
			"|", (datein.day or ""), dm_separ, monlan})
	else
		output = table.concat({datein.day, dm_separ, monlan})
	end
    return trim(output)
end

local function double_couple(jdate, gdate, wd, wm, wy, sq_brts, yearmark)
	local cd = {}
	local jd = shallowcopy(jdate)
	local gd = shallowcopy(gdate)
	local left = "("
	local right = ")"
	if sq_brts then 
		left = "&#091;"
		right = "&#093;"
	end
	if (not isdate(jdate)) or (not isdate(gdate)) then return error("Some wrong date") end
	if jd.year == gd.year then
		cd.year = gd.year
		gd.year, jd.year = nil
	end
	if jd.month == gd.month then
		cd.month = gd.month
		gd.month, jd.month = nil
	end	
	if (not not cd.month) and wm then 
		return table.concat({comment[1] .. trim(day2lang(jd,jdate,false) .. " " .. year2lang(jd.year,yearmark,false)) .. comment[2], 
		trim(left .. day2lang(gd,gdate,wd,wm) .. " " .. year2lang(gd.year,yearmark,wy)) .. right, 
		day2lang(cd,gdate,false) .. "]]", trim(year2lang(cd.year,yearmark,wy))}, " ")
	end 
	return table.concat({comment[1] .. trim(day2lang(jd,jdate,false) .. " " .. year2lang(jd.year,yearmark,false)) .. comment[2], 
		trim(left .. day2lang(gd,gdate,wd) .. " " .. year2lang(gd.year,yearmark,wy)) .. right, 
		trim(day2lang(cd,gdate,false)), trim(year2lang(cd.year,yearmark,wy))}, " ")
end

-- 40) Блок функций для перевода дат с использованием [[Юлианская дата]]

function gri2jd( datein )
	if not isdate(datein) then return error("Wrong date") end
    local year = datein.year
    local month = datein.month
    local day = datein.day
    -- jd calculation
    local a = math.floor((14 - month)/12)
    local y = year + 4800 - a
    local m = month + 12*a - 3
    local offset = math.floor(y/4) - math.floor(y/100) + math.floor(y/400) - 32045
    local jd = day + math.floor((153*m + 2)/5) + 365*y + offset
    -- jd validation
    local low, high = -1931076.5, 5373557.49999
    if not (low <= jd and jd <= high) then
        return error("Wrong date")
    end
	return jd
end

function jd2jul( jd )
	if type(jd) ~= "number" then return error("Wrong jd") end
    -- calendar date calculation
    local c = jd + 32082
    local d = math.floor((4*c + 3)/1461)
    local e = c - math.floor(1461*d/4)
    local m = math.floor((5*e + 2)/153)
    local year_out = d - 4800 + math.floor(m/10)
    local month_out = m + 3 - 12*math.floor(m/10)
    local day_out = e - math.floor((153*m + 2)/5) + 1
    -- output
    local dateout = {["year"]=year_out, ["month"]=month_out, ["day"]=day_out}
    return dateout
end

function jul2jd( datein )
	if not isdate(datein) then return error("Wrong date") end
    local year = datein.year
    local month = datein.month
    local day = datein.day
    -- jd calculation
    local a = math.floor((14 - month)/12)
    local y = year + 4800 - a
    local m = month + 12*a - 3
    local offset = math.floor(y/4) - 32083
    local jd = day + math.floor((153*m + 2)/5) + 365*y + offset
    -- jd validation
    local low, high = -1930999.5, 5373484.49999
    if not (low <= jd and jd <= high) then
        return error("Wrong date")
    end
	return jd
end

function jd2gri( jd )
    -- calendar date calculation
    local a = jd + 32044
    local b = math.floor((4*a + 3) / 146097)
    local c = a - math.floor(146097*b/4)
    local d = math.floor((4*c+3)/1461)
    local e = c - math.floor(1461*d/4)
    local m = math.floor((5*e+2)/153)
    local day_out =  e - math.floor((153*m+2)/5)+1
    local month_out = m + 3 - 12*math.floor(m/10)
    local year_out = 100*b + d - 4800 + math.floor(m/10)
    -- output
    local dateout = {["year"]=year_out, ["month"]=month_out, ["day"]=day_out}
    return dateout
end

function astroyear(num, bc)
	if not bc then return num
	else return 1 - num
	end
end

function recalc(datein,calend)
	if inlist(calend,params[1]) then 
		return jd2jul(gri2jd(datein)), datein
   	elseif inlist(calend,params[2]) then
		return datein, jd2gri(jul2jd(datein))
   	else error("Second argument must be 'g' or 'j'")
   	end
end

-- 50) Функции для обработки UTC

local function utc(str,margin)
	local d = 1
	local dchar = "+"
	local beginning = "[[UTC"
	local ending = "]]"
	local cat = ""
	local nums = {}
	local hmarg, timedec = 0
	local mmarg = "00"
	local output = ""
-- checking type of input
	if not margin then margin = 0
	elseif type(tonumber(margin)) ~= 'number' then
		output = "Can't shift by " .. margin
		error(output)
	end
	if type(str) ~= 'string' then
		error("String missing")
	elseif str:byte(1) == 43 then
	elseif inbord(str:byte(1),48,57) then cat = "[[Категория:Википедия:Ошибка в часовом поясе НП]]"
	elseif str:byte(1) == 45 or string.sub(str,1,3) == "−" or string.sub(str,1,1)=="-" then d = -1
	else
		error(string.char(str:byte(1)) .. " is not valid first char somehow")
	end
-- parsing input
	for num in string.gmatch(str,"(%d+)") do
        table.insert(nums,purif(num))
    end
	if #nums > 2 then error("Max 2 numbers expected")
	elseif #nums == 0 then error("If you mean 0 — type it in")
	elseif #nums == 1 then
		if inbord(nums[1],0,14) then timedec = d*nums[1] + margin
		else error("From -14 to 14 only") end
	elseif #nums == 2 then
		if not inbord(nums[1],0,14) then error("Hours from -14 to 14 only")
		elseif not inbord(nums[2],0,59) then error("Minutes from 0 to 59 only")
		else
			timedec = d*(nums[1] + nums[2]/60) + margin
		end
	end
	if tonumber(timedec) == purif(timedec) then hmarg = timedec
	else
		local h, m = math.modf(math.abs(timedec))
		hmarg = h
		mmarg = math.floor(m*60)
	end
	if timedec == 0 then
		dchar = "±"
	elseif timedec > 0 then
	elseif timedec < 0 then
		dchar = "&minus;"
	end
-- output
	output = beginning .. dchar .. math.abs(hmarg) .. ":" .. string.format("%02d",mmarg) .. ending .. cat
	return output
end

-- 60) Блок функций ввода-вывода

function p.NthDay( frame )
    local args = getArgs(frame, { frameOnly = true })
    local num, wday, mont, yea, format = 
    	purif(args[1]), purif(args[2]), purif(args[3]), purif(args[4]), args[5]
	if not format then format = "%d.%m.%y" end
    if not inbord(num,-5,5) then 
    	return error("The number must be between -5 and 5")
    elseif num == 0 then 
    	return error("The number must not be zero") end
    if not inbord(wday,0,6) then 
    	return error("The day of the week must be between 0 and 6") end
    if not inbord(mont,1,12) then 
    	return error("The month must be between 1 and 12") end
    if not inbord(yea,0,9999) then 
    	return error("Wrong year number") end
    if inbord(num,1,5) then
        local m_start = os.time{year=yea, month=mont, day=1, hour=0}
        local m_wds = tonumber(os.date("%w", m_start)) 
        local start_shift = (
            (num - bool_to_number[wday >= m_wds]) * 7 
            - (m_wds - wday)
            ) * 24 * 60 * 60
        local tim = m_start + start_shift
        if tonumber(os.date("%m", tim)) == mont then
            return (os.date(format, tim))
        else
            return (err)
        end
    elseif inbord(num,-5,-1) then
        local m_end = os.time{year = yea, month = mont + 1, day = 1, hour = 0} - 24 * 60 * 60
        local m_wde = tonumber(os.date("%w", m_end))
        local end_shift = ((math.abs(num + 1) + bool_to_number[wday > m_wde]) * 7 
            + (m_wde - wday)) * 24 * 60 * 60
        local tim = m_end - end_shift
        if tonumber(os.date("%m", tim)) == mont then
            return (os.date(format, tim))
        else
            return (err)
        end
    end
end

function p.ToIso( frame ) -- возможно неиспользуемая
    local args = getArgs(frame, { frameOnly = true })
    local datein = args[1]
    -- парсинг входящей даты по шаблону
    local pattern = "(%d+)%.(%d+)%.(%d+)"
    local dayin, monthin, yearin = datein:match(pattern)
    local year = tonumber(yearin)
    local month = tonumber(monthin)
    local day = tonumber(dayin)
    -- проверка параметров
    if not (type(year) == 'number') then 
        return error("Wrong year")
    end
    if not (1 <= month and month <= 12) then 
        return error("Wrong month")
    end
    if not (1 <= day and day <= 31) then 
        return error("Wrong day")
    end
    local timedate = os.time{year=year, month=month, day=day}
    local date = os.date("%Y-%m-%d", timedate)
    return date
end

function p.ToDate( frame ) -- возможно неиспользуемая
    local args = getArgs(frame, { frameOnly = true })
    local lang = mw.getContentLanguage()
    local datein = args[1]
    local format = "j xg Y"
    if not string.match(datein, "%p") then return datein
    elseif not args[2] then
    else format = args[2]
    end
    return lang:formatDate(format,datein,true)
end

-- =p.unitime(mw.getCurrentFrame():newChild{title="smth",args={"−1:30","1"}})

function p.unitime( frame )
    local args = getArgs(frame, { frameOnly = true })
    local DST = 0
    if not args[2] then 
    else DST = 1 end
    local utcin = ""
    local input = args[1]
    if not input then return "" end
    if inlist(input:upper(),tzs_names) then 
    	utcin = known_tzs[input:upper()] 
    elseif (string.sub(input:upper(),1,3) == 'UTC') and (string.len(input) < 10) then
    	utcin = string.sub(input,4)
    else 
    	if string.sub(input,1,1) == '[' 
        or string.sub(input,1,1) == '{' 
        or string.sub(input,1,1):upper() == 'U' 
        or string.sub(input,1,1):upper() == 'M' then
    	    return input 
--      elseif not string.find(string.upper(string.sub(input,1,1)),"[\65-\90]") or
--      not string.find(string.upper(string.sub(input,1,1)),"[\192-\223]") then
--    	return input
    	else utcin = input end 
    end
--  elseif string.sub(input,1,3) ~= "−" then utcin = input
--  or not (not input:find("[А-я]")) при наличии в строке юникода не работает
    local output = ""
    if DST == 0 then output = utc(utcin)
    else output = utc(utcin) .. ", [[летнее время|летом]] " .. utc(utcin,DST)
    end
    return output
end

--  =p.OldDate(mw.getCurrentFrame():newChild{title="smth",args={"20.02.2020","ю",["bc"]="0",["wd"]="1",["wy"]="0",["sq_brts"]="0"}})
-- =p.OldDate(mw.getCurrentFrame():newChild{title="smth",args={"20.02.2020","ю",["bc"]="1",["wd"]="1",["wy"]="1",["sq_brts"]="1",["yearmark"]="г."}})
-- function p.formatWikiImpl( t1, t2, infocardClass, categoryNamePrefix, brts )
function p.OldDate( frame )
    local args = getArgs(frame, { frameOnly = true })
    local gdate, jdate = {}
    local strin = args[1] 
    local cal = args[2]:lower() or "г"
    local bc = is(args["bc"])
    local wd = is(args["wd"])
    local wm = is(args["wm"])
    local wy = is(args["wy"])
    if not wd then wm = false end
    local sq_brts = is(args["sq_brts"])
    local yearmark = "года"
    if yesno(args["yearmark"]) then
    elseif yesno(args["yearmark"]) == false then yearmark = ""
    else yearmark = trim(args["yearmark"]) or "года" end
--  local infocard = is(args["infocard"])
--  local catName = args["catName"] or false
    local datein = numstr2date(strin)
    datein.year = astroyear(datein.year, bc)
    jdate, gdate = recalc(datein,cal)
	return double_couple(jdate, gdate, wd, wm, wy, sq_brts, yearmark)
end

return p