Module:Complex date

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This documentation is transcluded from Module:Complex date/doc.

local p = {}
local era = require('Module:Era')
local i18n = require('Module:i18n/other date')
local langSwitch = require('Module:Fallback')._langSwitch
local maintenancecat = 'Pages with incorrect usage of Module:Other date'
local datemod = require('Module:Date')
local makeera = require('Module:Era')._era
local linguistic = require('Module:Linguistic')

function yearunknown(lang)
	return langSwitch(i18n['yeark unknown'], lang)
end

function p._twoDate(datetype, first, second, lang, era)

	-- hack to make use of ISOdate
	local frame = {}
	frame.args = {lang=lang}
	frame.args[1] = first
	begin = datemod.ISOdate(frame)
	frame.args[1] = second
	ending = datemod.ISOdate(frame)
	----
	
	local pattern
	
	if datetype == 'Islamic' then
		local islamic = makeera(second, 'AH', lang)
		return makeera(first, era, lang) + ' (' + islamic + ')'
	else
		pattern = i18n[datetype][lang] -- checks if there is a special case for this and, else use linguistic.conj function
	end
	local outputstr
	if pattern then
		outputstr =  mw.ustring.gsub(pattern, '$date1', first)
		outputstr =  mw.ustring.gsub(outputstr, '$date2', second)
	else
		outputstr = linguistic.conj({first, second}, lang)
	end
	return makeera(outputstr, era, lang) 
end

function p.otherdate(frame)
	local args = frame.args
	local lang = frame.args.lang
	if not lang or lang == '' then
		lang = frame:preprocess('{{int:lang}}')
	end
	local datetype = args[1]
	local first = args[2]
	local second
	local era
	
	if args[3] == 'BEFORE PRESENT' or args[3] == 'BP' or args[3] == 'BCE' or args[3] == 'BC' or args[3] == 'CE' or args[3] == 'AD' then
		era = args[3]
	elseif args[3] ~= nil then
		second = args[3]
	end
	
	if args['era'] ~= '' then
		era = args['era']
	else
		era = nil
	end
	
	if second then
		if datetype == '~' or datetype == 'ca' or datetype == 'circa' then
			datetype = 'circa2'
		elseif datetype == '&' then
			datetype = 'and'
		end
		
		return p._twoDate(datetype, first, second, lang, era)
	else
		return second, datetype
		--return p._oneDate(datetype, first, lang)
	end
	if datetype == 'year unknown' then
		return p._yearunknown(lang)
	end
end
return p