Module:ISO 3166

Documentation for this module may be created at Module:ISO 3166/doc

-- 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

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 match=nil;
	match = mw.ustring.match(text, "Flag of ([^\.]*)")
	match = mw.ustring.match(text, "Flag ([^\.]*)")
	if (match) then 
	  text = match
	end 
	match = mw.ustring.match(text, "(%u[%a\(\)\.' -]+)")
	if (match == "Image") then
	   text = mw.ustring.gsub(text, match, "")
	   match = mw.ustring.match(text, "[\|\[](%u[%a\(\)\.' -]+)")
	end
	if (match == "20px") then
	   text = mw.ustring.gsub(text, match, "")
	   match = mw.ustring.match(text, "\[(%u[%a\(\)\.' -]+)")
	end 
	if (match) then 
	  text = match
	end
	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

--[[----------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 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 nocat = (args.nocat and args.nocat == 'true') or nil
	
	if not args[1] then
	  return '<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
	  return nocat and '' or '[[Category:Wikipedia page with obscure country]]'
	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 empty then
	        return nocat and '' or '[[Category:Wikipedia page with obscure subdivision]]'
	      else
	        return nocat and '' or '[[Category:Wikipedia page with obscure subdivision]]'
	      end
	    end
	  end
	  return nocat and '' or '[[Category:Wikipedia page with obscure country]]'
	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

return p