std::vector<std::string> splitString(const std::string& str, char delim) {
        std::string temp;
        std::vector<std::string> tokens;
        for (unsigned int i = 0; i < str.size(); i++) {
            if (str.at(i) != delim) {
                temp += str.at(i);
            }
            else {
                tokens.push_back(temp);
                temp = "";
            }
        }
        tokens.push_back(temp);
        return tokens;
}

std::vector<std::string> LuaScript::getTableKeys(const std::string& name) {
    std::string code =
        "function getKeys() "
        "s = \"\""
        "for k, v in pairs(" + name + ") do "
        "    s = s..k..\",\" "
        "    end "
        "return s "
        "end"; // function for getting table keys
    luaL_loadstring(L, code.c_str()); // execute code
    lua_pcall(L,0,0,0);
    lua_getglobal(L, "getKeys"); // get function
    lua_pcall(L, 0 , 1, 0); // execute function
    std::string test = lua_tostring(L, -1);
    test.pop_back(); // remove last ","
    std::vector<std::string> strings = splitString(test, ',');
    clean();
    return strings;
}