Base.h

/****************************************************************************
 * Copyright 2005 Evan Drumwright
 * This library is distributed under the terms of the GNU General Public 
 * License (found in COPYING).
 ****************************************************************************/

#ifndef _BASE_H
#define _BASE_H

#include <boost/enable_shared_from_this.hpp>
#include <list>
#include <string>
#include <map>
#include <boost/shared_ptr.hpp>
#include <Physsim/bimap>
#include <Physsim/Types.h>

namespace Physsim {

class Base : public boost::enable_shared_from_this<Base>
{
        public:
                Base();
                Base(const Base* b);
                virtual ~Base();                
                virtual void clone(BasePtr& cloned, bimap<BasePtr, BasePtr>* obj_map = NULL) const;
                virtual void load_state(BaseConstPtr object, bimap<BasePtr, BasePtr>* correspondence = NULL);
                virtual void save_state(BasePtr object, bimap<BasePtr, BasePtr>* correspondence = NULL) const;
                virtual void save_to_xml(XMLTreePtr node, std::list<BaseConstPtr>& shared_objects) const;
                virtual void load_from_xml(XMLTreeConstPtr node, std::map<std::string, BasePtr>& id_map);       
                virtual void output_object_state(std::ostream& out) const;
                virtual bool is_struct_identical(BaseConstPtr object) const { return true; }
                const std::string& id() const;

                boost::shared_ptr<void> user_data() const { return _userdata; }

                void user_data(boost::shared_ptr<void> data) { _userdata = data; }

                const std::string& name() const { return _name; }

                void name(const std::string& name) { _name = name; }

                template <class T>
                static boost::shared_ptr<T> clone(boost::shared_ptr<T> x) { return (!x) ? x : boost::shared_ptr<T>(new T(*x)); }

                void id(const std::string& ID) { _id = ID; }

        private:
                boost::shared_ptr<void> _userdata;

                std::string _name;

                mutable std::string _id;
};

} // end namespace Physsim

#endif

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