# Module:ISO 3166

-- to enable us to replicate the current functioning of Country extract, we need to deal with:
-- 2 DONE!
-- 3 <name> DONE!
-- 4 <junk> DONE!
-- 5 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"]["ta"]
or data[code]["isonames"]["ta"]
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  
local args = getArgs  
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 ''
local catnosubdivision = (args.nocat and args.nocat == 'true') and ''
or ''  
if not args[1] then
if mw.title.getCurrentTitle.namespace ~= 0 then catnocountry = '' end
return catnocountry, '<span>"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  
return p.luacode(getArgs) 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  
local args = getArgs  
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 ''
end
else --3166-2 code
local sdata
if data[code1] then
sdata = mw.loadData("Module:ISO 3166/data/"..code1)
else
return ''
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 ''
end
end
end  
end  
------------P . N A M E----------- -- Calls P.Luaname but using Module:Arguments  
function p.name  
return p.luaname(getArgs) 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
---
local args = .args
local subdivisionqueried = false
local catnocountry = (args.nocat and args.nocat == 'true') and ''
or ''
local catnosubdivision = (args.nocat and args.nocat == 'true') and ''
or * 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