# Module:ISO 3166/data

local p = {}  
local data = mw.loadData("Module:ISO 3166/data/National")  
function p.list
--Returns a list of subpages and associated countries
local codes = {}
for alpha2,cdata in pairs(data) do
codes[#codes+1] = {alpha2,cdata.name}
end
table.sort(codes, function(t1,t2) return t1[1]<t2[1] end)  
local out = {"* National"}
for _,cdata in ipairs(codes) do
out[#out+1] = "* [[Module:ISO 3166/data/"..cdata[1].."|"..cdata[1].." ("..cdata[2]..")]]"
end
return table.concat(out,"\n")  
end  
function p.subpagetest
--Returns a table row indicating the existence of data pages (see User:SiBr4/sandbox#Data subpage test)  
local function cell(code,d)
local sdata
if not data[code] then
return "" --Unassigned or reserved 3166-1 code
else
local sname = "Module:ISO 3166/data/"..code
if not (d or mw.title.new(sname).exists) then
return "title=\""..data[code].name.."\" style=\"background:#fee;\"|-" --Data subpage doesn't exist
else
sdata = mw.loadData(sname)
end
end
for _,_ in pairs(sdata) do
return "title=\""..data[code].name.."\" style=\"background:#efe;\"|n" --Non-empty 3166-2 entry
end
return "title=\""..data[code].name.."\" style=\"background:#eef;\"|e" --Empty 3166-2 entry
end  
local letter = .args[1]
local out = "|-\n!"..letter.."*"
for i = 65, 90 do
out = out.."\n|"..cell(letter..string.char(i),.args[2])
end
return out  
end  
function p.testall
--Search across all subpages for problems with names  
local strip = require("Module:ISO 3166").strip  
local function subpage(p)
return "/"..p..""
end
local function testname(names,inames,dnames,page,code,name)
if name then
if type(name)~="string" then
dnames[#dnames+1] = "*Unexpected non-string value in "..subpage(page).." ("..code..")"
else
local sname = strip(name)
if not names[sname] then
inames[sname] = name
else
dnames[#dnames+1] = "*Duplicate name: \""..name.."\" in "..subpage(page)
..(names[sname]==name and " (exact)" or " (non-exact)").." ("..code..")"
end
end
end
return names, inames, dnames
end
local function testnametable(names,inames,dnames,page,code,tab)
if tab then
if type(tab)~="table" then
dnames[#dnames+1] = "*Unexpected non-table value in "..subpage(page).." ("..code..")"
else
for _,name in pairs(tab) do
names, inames, dnames = testname(names,inames,dnames,page,code,name)
end
end
end
return names, inames, dnames
end
local fields = {name=1,isoname=1,isonames=1,displayname=1,isodisplayname=1,isodisplaynames=1,altnames=1,lang=1,defaultlang=1,alpha3=1,numeric=1,nocode=1}
local function testentry(names,dnames,page,code,edata)
for k,_ in pairs(edata) do
if not fields[k] then
dnames[#dnames+1] = "*Unknown field \""..k.."\" in "..subpage(page).." ("..code..")"
end
end
local inames = {}
names, inames, dnames = testname(names,inames,dnames,page,code,edata.name)
names, inames, dnames = testname(names,inames,dnames,page,code,edata.isoname)
names, inames, dnames = testnametable(names,inames,dnames,page,code,edata.isonames)
names, inames, dnames = testnametable(names,inames,dnames,page,code,edata.altnames)
if not edata.nocode then
names, inames, dnames = testname(names,inames,dnames,page,code,code)
end
if page=="National" then
names, inames, dnames = testname(names,inames,dnames,page,code,edata.alpha3)
names, inames, dnames = testname(names,inames,dnames,page,code,edata.numeric)
end
for k,v in pairs(inames) do names[k]=v end
return names, dnames
end  
local dnames = {}  
--ISO 3166-1
local names = {}
for code,cdata in pairs(data) do
names, dnames = testentry(names,dnames,"National",code,cdata)
end  
--ISO 3166-2
for code,_ in pairs(data) do
names = {}
local spage = "Module:ISO 3166/data/"..code
if mw.title.new(spage).exists then
local sdata = mw.loadData(spage)
for scode,cdata in pairs(sdata) do
if type(cdata)=="table" then
names, dnames = testentry(names,dnames,code,scode,cdata)
end
end
end
end  
if #dnames>0 then
return table.concat(dnames,"\n")
else
return "None"
end  
end  
return p