destr.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/libraries/libmbutil/destr.h,v 1.18 2017/01/12 14:44:04 masarati Exp $ */
/*
 * This library comes with MBDyn (C), a multibody analysis code.
 * http://www.mbdyn.org
 *
 * Copyright (C) 1996-2017
 *
 * Pierangelo Masarati  <masarati@aero.polimi.it>
 *
 * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
 * via La Masa, 34 - 20156 Milano, Italy
 * http://www.aero.polimi.it
 *
 * Changing this copyright notice is forbidden.
 *
 * This program 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 (version 2 of the License).
 * 
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef DESTR_H
#define DESTR_H

#include "myassert.h"
#include "mynewmem.h"

template <class T>
class Destructor {
public:
        Destructor(void) { 
                NO_OP; 
        };
   
        virtual ~Destructor(void) { 
                NO_OP;
        };
   
        virtual void Destroy(T*&) const = 0;
};


template <class T>
class LinkDestructor : public Destructor<T> {
public:
        LinkDestructor(void) : Destructor<T>() { 
                NO_OP;
        };
   
        ~LinkDestructor(void) { 
                NO_OP;
        };
   
        void Destroy(T*& pnt) const { 
                NO_OP;
        };
};


template <class T>
class HardDestructor : public Destructor<T> {
public:
        HardDestructor(void) : Destructor<T>() { 
                NO_OP;
        };
   
        ~HardDestructor(void) { 
                NO_OP;
        };
   
        void Destroy(T*& pnt) const {
                if (pnt != NULL) {
                        SAFEDELETE(pnt);
                        pnt = NULL;
                }
        };   
};

template <class T>
class ArrayHardDestructor : public Destructor<T> {
public:
        ArrayHardDestructor(void) : Destructor<T>() { 
                NO_OP;
        };

        ~ArrayHardDestructor(void) { 
                NO_OP;
        };
   
        void Destroy(T*& pnt) const {
                if (pnt != NULL) {
                        SAFEDELETEARR(pnt);
                        pnt = NULL;
                }
        };
};

#define LINKDESTRUCTOR(d, type, m) LinkDestructor<type> d
#define HARDDESTRUCTOR(d, type, m) HardDestructor<type> d
#define ARRAYHARDDESTRUCTOR(d, type, m) ArrayHardDestructor<type> d

#endif /* DESTR_H */