پودمان:ISO 3166

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    -- to enable us to replicate the current functioning of Country extract, we need to deal with:
    -- 2 {{<name>}} DONE!
    -- 3 [[<name>]] DONE!
    -- 4 [[<name>|<junk>]] DONE!
    -- 5 [[image:flag of <country>.[svg|gif|png|jpg]|\d+px]] DONE!
    
    local p = {}
    local getArgs = require("Module:Arguments").getArgs
    local data = mw.loadData("Module:ISO 3166/data/National")
    
    --[[----------F I N D N A M E----------]]--										-- Finds the name in the database
    
    local function findname(code,cdata,qry)
    	local sqry = p.strip(qry)
    	if cdata["name"] and sqry==p.strip(cdata["name"])
    		or cdata["isoname"] and sqry==p.strip(cdata["isoname"])
    		or not cdata["nocode"] and sqry==code
    		or sqry==cdata["alpha3"] or sqry==cdata["numeric"]
    		then
    		return true
    	end
    	for _,tname in pairs(cdata["isonames"] or {}) do
    		if sqry==p.strip(tname) then
    			return true
    		end
    	end
    	for _,tname in pairs(cdata["altnames"] or {}) do
    		if sqry==p.strip(tname) then
    			return true
    		end
    	end
    	return false
    end
    
    --[[----------I S O N A M E----------]]--										-- Find the ISO name of a country/region
    
    local function isoname(data,code,lang)
    	if data[code]["isonames"] then
    		local name = data[code]["isodisplaynames"] and data[code]["isodisplaynames"][lang]
    			 or data[code]["isonames"][lang]
    			 or data[code]["isodisplaynames"] and data[code]["isodisplaynames"][data[code]["defaultlang"] or data["defaultlang"]]
    			 or data[code]["isonames"][data[code]["defaultlang"] or data["defaultlang"]]
    			 or data[code]["isodisplaynames"] and data[code]["isodisplaynames"]["en"]
    			 or data[code]["isonames"]["en"]
    		if name then return name end
    		for _,iname in pairs(data[code]["isonames"]) do return iname end
    		return data[code]["isodisplayname"] or data[code]["isoname"]
    	else
    		return data[code]["isodisplayname"] or data[code]["isoname"]
    	end
    end
    
    --[[----------S T R I P----------]]--											-- Removes junk from the input
    
    function p.strip(text)
    	local accents = {["À"]="A",["Á"]="A",["Â"]="A",["Ã"]="A",					-- accent list
    		["Ä"]="A",["Å"]="A",["Ç"]="C",["È"]="E",["É"]="E",
    		["Ê"]="E",["Ë"]="E",["Ì"]="I",["Í"]="I",["Î"]="I",
    		["Ï"]="I",["Ñ"]="N",["Ò"]="O",["Ó"]="O",["Ô"]="O",
    		["Õ"]="O",["Ö"]="O",["Ø"]="O",["Ù"]="U",["Ú"]="U",
    		["Û"]="U",["Ü"]="U",["Ý"]="Y"
    	}
    	local remove = {"NATION OF","COUNTRY OF","TERRITORY OF",					-- text to be removed list
    		"FLAG OF","FLAG","KINGDOM OF","STATE OF"," STATE ",
    		"PROVINCE OF","PROVINCE","TERRITORY"
    	}
    	local patterns = {[".+:"]="",["|.+"]="",["%(.-%)"]="",						-- patterns to follow (order may matter)
    		["%..*"]="",["^THE "]="",["%_"]=" ",["%-"]=" ",
    		["%d%d?%d?PX"]="",
    	}
    	
    	text = mw.ustring.upper(text)												-- Case insensitivity
    	text = mw.ustring.gsub(text,"[À-Ý]",accents)								-- Deaccent
    	
    	for pattern,value in pairs(patterns) do										-- Follow patterns
    	text = mw.ustring.gsub(text,pattern,value) 
    	end
    	
    	for _,words in pairs(remove) do												-- Remove unneeded words
    	text = mw.ustring.gsub(text,words,"") 
    	end
    	
    	text = mw.ustring.gsub(text,"%W","")										-- Remove non alpha-numeric
    	
    	return text
    	
    end
    
    --[[----------P . C A L L S T R I P ---------]]--								-- Calls P.strip but using Module:Arguments
    
    function p.callstrip(frame)
    	
    	local args = getArgs(frame)
    	
    	return p.strip(args[1]) or ""
    
    end
    
    --[[----------P . L U A C O D E---------]]--									-- Makes the ISO code of a country
    
    function p.luacode(args)
    
    	if string.find(args[1] or '',"%-") then
    		args[1], args[2] = string.match(args[1] or '',"^([^%-]*)%-(.*)$")
    	end
    	
    	if args[1] then args[1] = p.strip(args[1]) end
    	if args[2] then args[2] = p.strip(args[2]) end
    	
    	if args["codetype"]=="3" then
    		args["codetype"]="alpha3"
    	end
    	
    	local eot = args.error or ""
    	
    	local catnocountry = (args.nocat and args.nocat == 'true') and '' 
    		or '[[Category:Wikipedia page with obscure country]]'
    	local catnosubdivision = (args.nocat and args.nocat == 'true') and '' 
    		or '[[Category:Wikipedia page with obscure subdivision]]'
    	
    	if not args[1] then
    		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
    		return catnocountry, '<span style="font-size:100%" class="error">"No parameter for the country given"</span>'
    	end
    	
    	if not args[2] then															--3166-1 code
    		for alpha2,cdata in pairs(data) do
    			if findname(alpha2,cdata,args[1]) then
    				if args["codetype"]=="numeric" or args["codetype"]=="alpha3" then
    					return cdata[args["codetype"]]
    				else
    					return alpha2
    				end
    			end
    		end
    		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
    		return catnocountry
    	else																		--3166-2 code
    		for alpha2,cdata in pairs(data) do                                       
    			if findname(alpha2,cdata,args[1]) then
    				if mw.ustring.match(alpha2,"GB") then							-- For England, Wales etc.
    					alpha2 = "GB"
    				end
    				local sdata = mw.loadData("Module:ISO 3166/data/"..alpha2)
    				local empty = true
    				for scode,scdata in pairs(sdata) do
    					if type(scdata)=="table" then
    						empty = false
    						if findname(scode,scdata,args[2]) then
    							return alpha2.."-"..scode
    						end
    					end
    				end
    				if mw.title.getCurrentTitle().namespace ~= 0 then catnosubdivision = '' end
    				return catnosubdivision
    			end
    		end
    		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
    		return catnocountry
    	end
    
    end
    
    --[[----------P . C O D E---------]]--											-- Calls P.Luacode but using Module:Arguments
    
    function p.code(frame)
    
    	return p.luacode(getArgs(frame)) or ""
    
    end
    
    --[[----------P . N U M E R I C---------]]--									-- Calls P.Luacode but using Module:Arguments and setting it to output a numeric value
    
    function p.numeric(frame)
    
    	local args = getArgs(frame)
    	
    	args["codetype"]="numeric"
    	
    	return p.luacode(args) or ""
    	
    end
    	
    --[[----------P . L U A N A M E---------]]--									-- Makes the ISO/common name of a country
    	
    function p.luaname(args)
    
    	local code1 = p.luacode(args)
    	local code2 = ''
    	
    	if string.find(code1,"%-") then
    		code1, code2 = string.match(code1,"^([^%-]*)%-(.*)$")
    	end
    	
    	if string.find(code1,"^%u%u$") then
    		if code2=="" then														--3166-1 alpha-2 code
    			if data[code1] then
    				return (args.isoname or args.lang) and isoname(data,code1,args.lang)
    					or (data[code1]["displayname"] or data[code1]["name"])
    			else
    				return '[[Category:Wikipedia page with obscure country]]'
    			end
    		else																	--3166-2 code
    			local sdata
    			if data[code1] then
    				sdata = mw.loadData("Module:ISO 3166/data/"..code1)
    			else
    				return '[[Category:Wikipedia page with obscure country]]'
    			end
    			if sdata[code2] then
    				return (args.isoname or args.lang) and isoname(sdata,code2,args.lang)
    					or (sdata[code2]["displayname"] or sdata[code2]["name"])
    			else
    				return '[[Category:Wikipedia page with obscure country]]'
    			end
    		end
    	end
    	
    end
    
    --[[----------P . N A M E---------]]--											-- Calls P.Luaname but using Module:Arguments
    
    function p.name(frame)
    
    	return p.luaname(getArgs(frame)) or ""
    
    end
    	
    --[[----------P . G E O C O O R D I N S E R T---------]]--						-- Wrapper for Module:Coordinates.coordinsert
    function p.geocoordinsert(frame)
    	-- {{#invoke:ISO 3166|geocoordinsert|{{coord|...}}
    	-- |country=..|subdivision1=...|subdivision2=...
    	-- |type=...|scale=...|dim=...|source=...|globe=...
    	-- }}
    	local args = frame.args
    	local subdivisionqueried = false
    	local catnocountry = (args.nocat and args.nocat == 'true') and '' 
    		or '[[Category:Wikipedia page with obscure country]]'
    	local catnosubdivision = (args.nocat and args.nocat == 'true') and ''
    		or '[[Category:Wikipedia page with obscure subdivision]]' or ''
    	local tracking = ''
    	local targs = {}
    	targs[1] = args[1] or ''
    	for i, v in pairs(args) do
    		if i == 'country' and not mw.ustring.find(targs[1], 'region:') then
    			local country = v
    			local k, region = 1, ''
    			-- look for a valid subdivision
    			while region == '' and k < 3 do
    				local subdivision = args['subdivision' .. k] or ''
    				if subdivision ~= '' then
    					region = p.luacode({country, subdivision, nocat = 'true'})
    					subdivisionqueried = true
    				end
    				k = k + 1
    			end
    			-- subdivision lookup failed or never attempted, try country only
    			if region == '' then
    				region = p.luacode({country, nocat = 'true'})
    				if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry, catnosubdivision = '', '' end
    				if region == '' then
    					tracking = tracking .. catnocountry
    				elseif subdivisionqueried == true then
    					tracking = tracking .. catnosubdivision
    				end
    			end
    			-- something worked, add it to the targs
    			if region ~= '' then
    				targs[#targs + 1] = 'region:' .. region
    			end
    		elseif i == 'type' or i == 'scale' or i == 'dim' 
    				or i == 'source' or i == 'globe' then
    			targs[#targs + 1] = i .. ':' .. v
    		end
    	end
    	-- call Module:Coordinates.coordinsert if there is something to insert
    	if #targs > 1 then
    		local coordinsert = require('Module:Coordinates').coordinsert
    		return coordinsert({args = targs}) .. tracking
    	end
    	-- otherwise, just return the coordinates
    	return targs[1] .. tracking
    end
    
    return p