Module:UrlEncoding

-- Way to encode URLs so they don't break things local encode = function (str)

       str = string.gsub (str, "\n", "\r\n")
       str = string.gsub (str, "([^%w ])",
           function (c) return string.format ("%%%02X", string.byte(c)) end)
       str = string.gsub (str, " ", "+")
       return str

end

local decode = function (str)

   str = string.gsub (str, "+", " ")
   str = string.gsub (str, "%%(%x%x)",
       function(h) return string.char(tonumber(h,16)) end)
   str = string.gsub (str, "\r\n", "\n")

end

return { _encode = encode, _decode = decode,

   encode = function (frame)
       str = frame.args[1]
       if (str ~= nil) then
       	str = encode(str)
       end
       return str
   end,

decode = function (frame)

       str = frame.args[1]
       if (str ~= nil) then
       	str = decode(str)
       end
       return str
   end

}