rapidjson_wtf

class Encoder
{
private:
    rapidjson::Document json;
public:
    Encoder();
    ~Encoder();
    bool load(std::string path);
    std::string get_value_by_key(const char* key);
    std::string encode_str(const char* input);
};

...


std::string Encoder::get_value_by_key(const char* key)
{
    rapidjson::Value& s = json[key];
    return s.GetString();
}

std::string Encoder::encode_str(const char* input){
    for (int i = 0; i < strLength(input); i++)
    {
        std::stringstream tmp;
        tmp.str("");
        tmp << input[i];
        std::cout << get_value_by_key(tmp.str().c_str()) << std::endl;
    }
    //std::cout << input << std::endl;
    return "ok";
}