TFunctor.hxx

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/*
  This file is part of MURE,
  Copyright (C) 2007-2021 MURE developers.
 
  MURE is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  MURE 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 Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with MURE.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef _TFUNCTOR_
#define _TFUNCTOR_
using namespace std;
 
 
class TFunctor
{
  public:
    virtual void operator()() = 0; 
    virtual void Call() = 0; 
    virtual ~TFunctor() = default; 
};
 
 
template < class T > class TSpecificFunctor : public TFunctor
{
  public:
    TSpecificFunctor(T *_pt2Object, void(T::*_fpt)())
    {
        pt2Object = _pt2Object;     
        fpt = _fpt;
    }
    ~TSpecificFunctor() override
    {
        pt2Object = nullptr;
        fpt = nullptr;
    }
    void operator()() override
    {
        (*pt2Object.*fpt)();   
    }
    void Call() override
    {
        (*pt2Object.*fpt)();   
    }
    virtual void SetObj(T *obj)
    {
        pt2Object = obj;   
    }
 
  private:
    void (T::*fpt)(); 
    T *pt2Object; 
};
#endif