Mô đun:Flagg

local p = {}

function p.main(frame)

--Get input arguments
local args = require('Mô đun:Arguments').getArgs(frame,{valueFunc =
function(key,value)
if value then
value = mw.text.trim(value)
if key=="image" or value~="" then
return value
end
end
return nil
end
})

--Call main function
return p.luaMain(frame,args)

end

function p.luaMain(frame,args)

function emp2nil(x)
if x=="" then return nil else return x end
end
function space2emp(x)
if string.find(x,"^%s$") then return "" else return x end
end
function nopx(x)
if x~=nil and (string.find(x,"^%d+$") or string.find(x,"^%d+px$")) then return string.gsub(x,"^(.)px","%1") else return nil end
end

--Country & mode parameters
local mode = string.lower(args[1] or "usc")
local mi = string.sub(mode,1,1)
local ms = string.sub(mode,2,2)
local mn = string.sub(mode,3,3)
local me = string.sub(mode,4,-1)

local country = args[2] or ""
local avar = args["avar"] or args["altvar"]
local clink = args["clink"] or args["link"]

--Get country data & altvar data
local data, alink, amap, asuf
if avar then
local age = args["age"] or ""
local aalias
amap, aalias = require("Mô đun:Flagg/Altvar data").alttable(age)
avar = string.gsub(string.lower(avar or ""),"[ \-]","")
avar = aalias[avar] or avar
if not amap[avar] then error("Unknown avar") end
local apar = {altvar=amap[avar].altvar;mw=amap[avar].mw;age=amap[avar].age;variant=args["variant"] or args[3]}
data = require("Mô đun:CountryData").gettable(frame,country,apar)
asuf = amap[avar].altlink
alink = data["link alias-"..amap[avar].altvar] or (clink or data["shortname alias"] or data.alias or country).." "..asuf
else
data = require("Mô đun:CountryData").gettable(frame,country,{variant=args["variant"] or args[3]})
avar = ""
amap = {[""]={altvar=""}}
end

--Name and link parameters
clink = clink or data.alias or country

local pref = args["pref"]
local suff = args["suff"] or asuf
if not pref and not suff then --Default prefix
pref = "Flag of"
end
local yn_map = {[""]=0; ["0"]=0; ["no"]=0; ["n"]=0; ["1"]=1; ["yes"]=1; ["y"]=1}
local fthe = (args["pthe"] and yn_map[args["pthe"]]~=0) or (args["the"] and yn_map[args["the"]]~=0)
local nthe = (args["nthe"] and yn_map[args["nthe"]]~=0) or (args["the"] and yn_map[args["the"]]~=0)
fthe = fthe and (pref and "t" or "T").."he " or ""
nthe = nthe and (pref and "t" or "T").."he " or ""
local flink = args["plink"] or args["flink"] or alink or space2emp((pref or "").." ")..fthe..clink..space2emp(" "..(suff or ""))
local fsec = args["psection"] or args["section"]
local csec = args["csection"] or args["section"]
fsec = fsec and ""..fsec or ""
csec = csec and ""..csec or ""

local name = args["name"]
if string.find(me,"e") then
local cname = data["name alias-"..amap[avar].altvar] or data["shortname alias"] or data.alias or country
if mn == "f" then
name = name or space2emp((pref or "").." ")..nthe..cname..space2emp(" "..(suff or ""))
else
name = name or cname
end
else
if mn == "f" then
name = name or space2emp((pref or "").." ")..nthe..country..space2emp(" "..(suff or ""))
else
name = name or country
end
end

--Image parameters
local pimage = args["image"]
local placeholder = "Flag placeholder.svg"
local variant = args["variant"] or args[3] or ""
local image_map = {[""]=placeholder; ["none"]=placeholder; ["blank"]=placeholder}
if pimage then --Remove namespace
pimage = string.gsub(pimage,"^[Ff][Ii][Ll][Ee]:(.)$","%1")
pimage = string.gsub(pimage,"^[Ii][Mm][Aa][Gg][Ee]:(.)$","%1")
end
local iname = image_map[pimage] or pimage

local size = args["size"] or args["sz"]
local size_map = {xs="12x8px"; s="17x11px"; m="23x15px"; l="32x21px"; xl="46x30px"}
if size==nil or string.find(size,"^%dx?%d+px$")
then --valid EIS size (..px, x..px or ..x..px), or unset
elseif string.find(size,"^%dx?%d+$")
then size=size.."px" --EIS size without "px" suffix
else size = size_map[size] or nil
end
local border = frame:getParent().args["border"] or frame.args["border"]

if iname then
size = size or "23x15px"
if yn_map[border]==0 then border = "" else border = "|border" end
else
iname = data["flag alias-"..amap[avar].altvar.."-"..variant] or data["flag alias-"..variant] or data["flag alias-"..amap[avar].altvar] or data["flag alias"] or placeholder
size = size or emp2nil(data.size) or "23x15px"
if border then
if yn_map[border]==0 then border = "" else border = "|border" end
else
local autoborder = data["border-"..variant] or data["border-"..amap[avar].altvar] or data.border
if autoborder and autoborder~="border" then border = "" else border = "|border" end
end
end

local am = ""
if args["alt"] or string.find(me,"a") then
am = args["alt"] or args["name"] or country
am = am.."|"..am
end

--Build display name
local text = args["text"]
if not text then
if mn=="x" then --no text
text = ""
elseif mn"p" or mn"f" then --prefix/suffix link
text = ""..name..""
elseif mn=="b" then --both prefix/suffix and normal country link
if pref and suff then
text = ""..pref.." "..nthe..""..name.." "..suff..""
elseif pref then
text = ""..pref.." "..nthe..""..name..""
elseif suff then
text = nthe..""..name.." "..suff..""
else
text = nthe..""..name..""
end
elseif mn=="d" then --data template
--check if redirect
if require('Mô đun:Redirect').luaIsRedirect("Bản mẫu:Country data "..country) then
text = "["..mw.title.new("Bản mẫu:Country data "..country):fullUrl("redirect=no").." "..name.."]"
else
text = ""..name..""
end
elseif mn=="u" then --unlinked
text = name
else --country link (default)
text = ""..name..""
end
end

--Build image
local ilink = args["ilink"]
if not ilink then
if mi"x" or (inameplaceholder and pimage~=placeholder) then --no image/invisible image
iname = placeholder
border = ""
ilink = "|link="
am = ""
elseif mi=="i" then --image page link
ilink = ""
elseif mi=="c" then --country link
ilink = "|link="..clink..csec
elseif mi"p" or mi"f" then --prefix/suffix link
ilink = "|link="..flink..fsec
elseif mi=="d" then --data template
--check if redirect
if require('Mô đun:Redirect').luaIsRedirect("Bản mẫu:Country data "..country) then
ilink = "|link="..mw.title.new("Bản mẫu:Country data "..country):fullUrl("redirect=no")
else
ilink = "|link=Bản mẫu:Country data "..country
end
else --unlinked (default)
ilink = "|link="
end
end
local image = ""

--Combine image and name with separator
local align = args["align"] or args["al"]
local nalign = args["nalign"] or args["nal"]
local align_map = {left="left", l="left", center="center", centre="center", c="center", middle="center", m="center", right="right", r="right"}
local out
if string.find(me,"r") then
--image right of name
if (ms"x" and mi"x") or (string.find(me,"o") and iname==placeholder and pimage~=placeholder) then --name only
out = text
elseif ms=="x" then --no separator
out = text..""..image..""
elseif ms=="n" then --non-breaking space
out = text.."&nbsp;"..image..""
elseif ms=="l" then --line break
out = text..""..image..""
elseif ms=="t" then --table cell
out = "style=\"text-align:"..(align_map[nalign] or "left").."\"|"..text.."||style=\"text-align:"..(align_map[align] or "center")..";\"|"..image..""
else --fixed-width span box (default)
local width = args["width"] or args["w"] or require("Mô đun:Flaglist").luawidth(size)
out = text..""..image..""
end
else --image left of name
if (ms"x" and mi"x") or (string.find(me,"o") and iname==placeholder and pimage~=placeholder) then --name only
out = text
elseif ms=="x" then --no separator
out = ""..image..""..text
elseif ms=="n" then --non-breaking space
out = ""..image.."&nbsp;"..text
elseif ms=="l" then --line break
out = ""..image..""..text
elseif ms=="t" then --table cell
out = "style=\"text-align:"..(align_map[align] or "center")..";\"|"..image.."||style=\"text-align:"..(align_map[nalign] or "left").."\"|"..text
else --fixed-width span box (default)
local width = nopx(args["width"] or args["w"]) or require("Mô đun:Flaglist").luawidth(size)
out = ""..image..""..text
end
end
if string.find(me,"w") then --avoid wrapping
out = ""..out..""
end

--Tracking categories
local cat = ""
if pimage and not image_map[pimage] and country~="" and data["flag alias"] and not args.demo then
cat = ""
end

return out..cat

end

return p