JsonObject.hpp

/*
  Copyright 2013 Statoil ASA.
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef JSON_OBJECT_HPP
#define JSON_OBJECT_HPP
 
#include <cstddef>
#include <filesystem>
#include <string>
 
struct cJSON;
 
namespace Json {
 
    class JsonObject {
    public:
        JsonObject();
 
        explicit JsonObject(const std::filesystem::path& jsonFile );
        explicit JsonObject(const std::string& inline_json);
        explicit JsonObject(const char * inline_json);
        explicit JsonObject(cJSON * root);
        ~JsonObject();
 
        void add(double value);
        void add(int value);
        void add(const std::string& value);
        JsonObject add_array();
        JsonObject add_object();
        void add_item(const std::string& key, double value);
        void add_item(const std::string& key, int value);
        void add_item(const std::string& key, const std::string& value);
        JsonObject add_array(const std::string& key);
        JsonObject add_object(const std::string& key);
        std::string dump() const;
 
        bool has_item(const std::string& key) const;
        JsonObject get_array_item( std::size_t index ) const;
        JsonObject get_item(const std::string& key) const;
 
        std::string to_string() const;
        std::string get_string(const std::string& key) const;
        std::string as_string() const;
        bool is_string( ) const;
 
        bool is_number( ) const;
        int get_int(const std::string& key) const;
        int as_int() const;
        double get_double(const std::string& key) const;
        double as_double() const;
 
        bool is_array( ) const;
        bool is_object( ) const;
 
        std::size_t size() const;
    private:
        JsonObject get_scalar_object(const std::string& key) const;
        void  initialize(const std::string& inline_json);
        cJSON * root;
        bool    owner;
    };
}
 
#endif