simplemidi/include/Config.h

#ifndef __CONFIG_H
#define __CONFIG_H

#include <json/json.h>
#include "error.h"
DefineError(JsonPathNotFoundError, -512)
class Args;
class Config
{
    public:
        Config(const std::string& file=""){_init(file);}
        Config(Args& args);
        virtual ~Config(){}


        static void init(Args& args);

		void check();
        static const std::string  get_string(const std::string& path){
            Json::Value v = m_instance->_get(path);
            return v.asString();
        }
        static int  get_int(const std::string& path){
            return m_instance->_get(path).asInt();
        }
        static double  get_double(const std::string& path){
            return m_instance->_get(path).asDouble();
        }
        static bool  get_bool(const std::string& path){
            return m_instance->_get(path).asBool();
        }
		static const Json::Value get(const std::string& path){
            return m_instance->_get(path);
        }

        static void set(const std::string& path, Json::Value& v){
            return m_instance->_set(path, v);
        }

        static void set(const std::string& path, int v){
            return m_instance->_set(path, Json::Value(v));
        }

        static void set(const std::string& path, double v){
            return m_instance->_set(path, Json::Value(v));
        }

        static void set(const std::string& path, bool v){
            return m_instance->_set(path, Json::Value(v));
        }

        static void set(const std::string& path, const std::string& v){
            return m_instance->_set(path, Json::Value(v));
        }

        static const std::string APP_DIR(const std::string& x=""){
            std::string dir = get_string("dirs.app");
            if(x.size()) return dir+"/"+x;
            return "./"+x;
        }

        static const std::string PAD_DIR(const std::string& x=""){
            std::string dir = get_string("dirs.pads");
            if(x.size()){
                if(dir[0]=='/') return dir+"/"+x;
                return APP_DIR(dir+"/"+x);
            }
            if(dir[0]=='/') return dir+"/";
            return APP_DIR(x);
        }



    protected:
        void                _init(const std::string& ="");
        Json::Value         _get(const std::string&);
        void                _set(const std::string&, Json::Value);
        Json::Value         m_root;



        static Config*      m_instance;
        static std::string  m_defaut_config;

};

#endif