[FUNCTION]Convert Int to a Roman Number String

#include <string>
std::string IntToRomanStr(unsigned short value)
{
    if (value < 1)
        return "0";

    if (value > 5000)
        return "";

    struct SIntToRomanStr
    {
        unsigned short value;
        std::string strRoman;
    };

    static SIntToRomanStr const digits_subs[] =
    {
        1000, "M", 900, "CM", 500, "D", 400, "CD", 100, "C", 90, "XC", 50, "L", 40, "XL", 10, "X", 9, "IX", 5, "V", 4, "IV", 1, "I"
    };

    std::string substr;
    for (SIntToRomanStr const* type_identifier = digits_subs; type_identifier->value > 0; ++type_identifier)
    {
        for (; value >= type_identifier->value;)
        {
            substr += type_identifier->strRoman;
            value -= type_identifier->value;
        }
    }

    return substr.c_str();
}

//@Lua - Darisil
IntToRomanStr = function(int)
    local real_int = tonumber(int);
    if (real_int < 1) then
        return "0";
    elseif (real_int > 5000) then
        return "";
    end -- if/elseif
    local str = "";
    local array = {
        [1] = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"},
        [10] = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"},
        [100] = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"},
        [1000] = {"", "M", "MM", "MMM", "MMMM", "MMMMM"}
    };
    for x = 3, 0, -1 do
        local index = math.pow(10, x);
        local subindex = math.floor(real_int / index);
        str = string.format("%s%s", str, array[index][subindex+1]);
        real_int = real_int - subindex * index;
    end -- for
    return str;
end -- function