XMLClassesRegistry.h

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/*+-------------------------------------------------------------------------+
  |                       MultiVehicle simulator (libmvsim)                 |
  |                                                                         |
  | Copyright (C) 2014-2020  Jose Luis Blanco Claraco                       |
  | Copyright (C) 2017  Borys Tymchenko (Odessa Polytechnic University)     |
  | Distributed under 3-clause BSD License                                  |
  |   See COPYING                                                           |
  +-------------------------------------------------------------------------+ */
#pragma once

#include <rapidxml.hpp>

#include <map>
#include <string>

namespace mvsim
{
class XmlClassesRegistry
{
   private:
        const std::string m_tagname;  
        struct TXMLData
        {
                rapidxml::xml_document<>* xml_doc;
                std::string* xml_data;  // Must be kept alloc'ed during the entire life
                                                                // of xml_doc!!

                TXMLData() : xml_doc(nullptr), xml_data(nullptr) {}
                ~TXMLData()
                {
                        if (xml_doc) delete xml_doc;
                        if (xml_data) delete xml_data;
                }
        };
        std::map<std::string, TXMLData> m_classes;

   public:
        XmlClassesRegistry(const std::string& xml_class_tag)
                : m_tagname(xml_class_tag)
        {
        }

        const rapidxml::xml_node<char>* get(
                const std::string& xml_node_class) const;

        void add(const std::string& input_xml_node_class);

};  // end class
}  // namespace mvsim