మాడ్యూల్:Infobox road/abbrev/defs

local p = {}

local format = string.format

Abbr = {formatArgs = {"route"}}

function Abbr:new(obj)

   obj = obj or {}
   setmetatable(obj, self)
   self.__index = self
   return obj

end

function Abbr:abbr(args)

   self:preprocess(args)
   return self:exception(args) or self:default(args)

end

function Abbr:preprocess(args)

   local preprocessors = self.preprocessors or {}
   for i,preprocessor in ipairs(preprocessors) do
       preprocessor(args)
   end

end

function Abbr:exception(args)

   local exceptions = self.exceptions or {}
   local route = args.route
   return exceptions[route]

end

function Abbr:default(args)

   local formatArgs = self.formatArgs
   local formatArguments = {}
   for i,v in ipairs(formatArgs) do
       formatArguments[i] = args[v]
   end
   local formatStr = self.formatStr
   return formatStr and format(formatStr, unpack(formatArguments)) or false

end

Type = Abbr:new()

function Type:abbr(args)

   self:preprocess(args)
   return self:fromState(args) or self:exception(args) or self:default(args)

end

function Type:fromState(args)

   local stateName = args.state or args.province
   local state = self[stateName]
   return state and state:abbr(args) or nil

end

Country = {}

function Country:new(obj)

   obj = obj or {}
   setmetatable(obj, self)
   self.__index = self
   return obj

end

function Country:newWithSimpleAbbrs(abbrs)

   local country = self:new()
   for i,v in pairs(abbrs) do
       local abbr = Abbr:new{formatStr = v}
       if type(i) == "string" then
           country[i] = abbr
       else
           for _,t in pairs(i) do
               country[t] = abbr
           end
       end
   end
   return country

end

function Country:typeOverride(args)

   return

end

function Country:type(args)

   local type = args.type or 
   return self:typeOverride(args) or self[type] or self.default

end

function Country:abbr(args)

   local type = self:type(args)
   return type and type:abbr(args) or error("Invalid type", 0)

end

p.Abbr = Abbr p.Type = Type p.Country = Country return p