json_object.h

#ifndef _JSON_OBJECT_H_
#define _JSON_OBJECT_H_

#include <iomanip>
#include <iostream>
// JSON for Modern C++ single-include header
#include <nlohmann_json/json.hpp>

namespace utilities {
// Alias for JSON type
  using json = nlohmann::json;
  
class JsonObject {
 public:
  friend std::ostream& operator<<(std::ostream& out, const utilities::JsonObject& json_object);
  
  JsonObject();

  virtual ~JsonObject() {};

  inline bool operator==(const JsonObject& json_value) const {
    return json_object_ == json_value.json_object_;
  };

  inline bool operator!=(const JsonObject& json_value) const {
    return !(*this == json_value);
  };

  template <typename Tparam>
  bool add_value(const std::string& key, const Tparam& value);
  
  template <typename Tparam>
  Tparam get_value(const std::string& key) const;

  bool delete_key(const std::string& key);

  bool write_to_file(const std::string& output_location) const;

  void clear();

  bool is_empty() const;

  unsigned int get_size() const;

  json get_library_json() const {
    return json_object_;
  };  

 protected:
  JsonObject(json library_json);

  json json_object_; 
};

inline std::ostream& operator<<(std::ostream& out, const utilities::JsonObject& json_object) {
  out << std::setw(4) << json_object.json_object_;
  return out;
}; 
}  // namespace utilities

#include "json_object.tcc"

#endif  // _JSON_OBJECT_H_