Module:ISO 3166
Documentation for this module may be created at Module:ISO 3166/doc
local p = {}
local data = mw.loadData("Module:ISO 3166/data/National")
local function cerror(eot,errortext,inputtext)
if eot=="empty" then
return nil
elseif eot=="input" then
return inputtext
else
return mw.html.create("span"):addClass("error"):wikitext("Error in [[Module:ISO 3166]]: "..errortext)
end
end
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
local function isoname(data,code,lang)
if data[code]["isonames"] then
local name = data[code]["isonames"][lang or data[code]["defaultlang"] or data["defaultlang"] or "en"]
or data[code]["isonames"][data[code]["defaultlang"] or data["defaultlang"] or "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
function p.strip(text)
text = mw.ustring.upper(text) --Case insensitivity
text = string.gsub(text,"^THE ","") --Remove definite article
text = string.gsub(text,"[%s%-%,%.%(%)%/%\']","") --Remove spacing and punctuation
local accents = {["À"]="A",["Á"]="A",["Â"]="A",["Ã"]="A",["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"}
text = mw.ustring.gsub(text,"[À-Ý]",accents) --Deaccent
return text
end
function p.luaname(args)
local eot = args.error
if not args[1] then
return cerror(eot,"No parameter given",args[2] or "")
end
local code1 = string.upper(args[1] or "")
local code2 = string.upper(args[2] or "")
if string.find(code1,"%-") then
code1, code2 = string.match(code1,"^([^%-]*)%-(.*)$")
end
if --Check if valid code
--No non-alphanumeric characters allowed
string.find(code1..code2,"[^A-Z0-9]")
--3166-1 codes can be two or three letters or three digits;
--3166-2 codes must be two letters (first part) and 1-3 letters or digits (second part)
or not (string.find(code1,"^%u%u%u?$") or string.find(code1,"^%d%d%d$"))
or not string.find(code2,"^%w?%w?%w?$")
or not (string.find(code1,"^%u%u$") or code2=="")
then
if code2=="" then
return cerror(eot,"Invalid ISO 3166-1 code "..code1,code1)
else
return cerror(eot,"Invalid ISO 3166-2 code "..code1.."-"..code2,code1.."-"..code2)
end
end
if string.find(code1,"^%u%u$") 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 cerror(eot,"Unknown ISO 3166-1 code "..code1,code1)
end
else
--3166-2 code
local sdata
if data[code1] then
sdata = mw.loadData("Module:ISO 3166/data/"..code1)
else
return cerror(eot,"Unknown ISO 3166-1 code "..code1,code1.."-"..code2)
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
for _,_ in pairs(sdata) do
return cerror(eot,"Unknown ISO 3166-2 code "..code1.."-"..code2,code1.."-"..code2)
end
return cerror(eot,"No subdivision codes for "..data[code1]["name"],code1.."-"..code2)
end
end
else
--3166-1 alpha-3 or numeric code
local codetype = string.find(code1,"%d") and "numeric" or "alpha3"
for alpha2,cdata in pairs(data) do
if cdata[codetype]==code1 then
return (args.isoname or args.lang)
and isoname(data,alpha2,args.lang)
or (cdata["displayname"] or cdata["name"])
end
end
return cerror(eot,"Unknown ISO 3166-1 code "..code1,code1)
end
end
function p.name(frame)
local args = require("Module:Arguments").getArgs(frame)
return p.luaname(args) or ""
end
function p.luacode(args)
local eot = args.error
if not args[1] then
return cerror(eot,"No parameter given",args[2] or "")
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
return cerror(eot,"Unknown country name "..args[1],args[1])
else
--3166-2 code
for alpha2,cdata in pairs(data) do
if findname(alpha2,cdata,args[1]) then
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 empty then
return cerror(eot,"No subdivision codes for "..args[1],args[2])
else
return cerror(eot,"Unknown subdivision name "..args[2],args[2])
end
end
end
return cerror(eot,"Unknown country name "..args[1],args[2])
end
end
function p.code(frame)
local args = require("Module:Arguments").getArgs(frame)
return p.luacode(args) or ""
end
return p