bbtkAtomicBlackBoxGetSetFunctor.h

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/*=========================================================================                                                                               
  Program:   bbtk
  Module:    $RCSfile: bbtkAtomicBlackBoxGetSetFunctor.h,v $
  Language:  C++
  Date:      $Date: 2008/11/25 11:17:13 $
  Version:   $Revision: 1.5 $
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         


#ifndef __bbtkAtomicBlackBoxGetSetFunctor_h__
#define __bbtkAtomicBlackBoxGetSetFunctor_h__

#include "bbtkData.h"
#include "bbtkMessageManager.h"

namespace bbtk
{

   // Forward declaration
  class AtomicBlackBox;


  //===========================================================================
  class BBTK_EXPORT AtomicBlackBoxGetFunctor
  {
  public:
    AtomicBlackBoxGetFunctor() {}
    virtual ~AtomicBlackBoxGetFunctor() {}
    virtual Data Get(AtomicBlackBox* o) = 0;
    virtual TypeInfo GetTypeInfo() const = 0;
    virtual std::string GetTypeName() const = 0;
    virtual std::string GetHumanTypeName() const = 0;
    virtual bool IsPointerType() const = 0;

  };
  //===========================================================================


  //===========================================================================
  class AtomicBlackBoxSetFunctor
  {
  public:
    AtomicBlackBoxSetFunctor() {}
    virtual ~AtomicBlackBoxSetFunctor() {}
    virtual void Set(AtomicBlackBox* o, const Data&) = 0;
    virtual TypeInfo GetTypeInfo() const = 0;
    virtual std::string GetTypeName() const = 0;
    virtual std::string GetHumanTypeName() const = 0;
    virtual bool IsPointerType() const = 0;
    virtual void BruteForceSetPointer(AtomicBlackBox* o, void* p) = 0;

  };
  //===========================================================================



  //===========================================================================
  template <class UBB, class T, class TRETURN> 
  class AtomicBlackBoxTGetFunctor : public bbtk::AtomicBlackBoxGetFunctor
  {
  public:
    typedef TRETURN (UBB::*GetMethodPointerType)(void); //const

    AtomicBlackBoxTGetFunctor(GetMethodPointerType g) :
      mGetMethodPointer(g)
      {
        bbtkDebugMessage("data",9,"AtomicBlackBoxTGetFunctor<"<<
                         TypeName<UBB>()<<","<<
                         TypeName<T>()<<","<<
                         TypeName<TRETURN>()<<
                         ">::AtomicBlackBoxTGetFunctor()"<<std::endl);
      }
      
    Data Get(AtomicBlackBox* o) 
    {
      bbtkDebugMessage("data",9,"AtomicBlackBoxTGetFunctor<"<<
                       TypeName<UBB>()<<","<<
                       TypeName<T>()<<","<<
                       TypeName<TRETURN>()<<
                       ">::Get()"<<std::endl);
      return (((UBB*)o)->*mGetMethodPointer)();
    }
    TypeInfo GetTypeInfo() const { return typeid(T); }
    std::string GetTypeName() const { return TypeName<T>(); }
    std::string GetHumanTypeName() const { return HumanTypeName<T>(); }
    virtual bool IsPointerType() const 
    {
      return boost::is_pointer<T>::value;
    }

  private:
    GetMethodPointerType mGetMethodPointer;
  };
  //===========================================================================



  //===========================================================================
  template <class UBB, class T, class TACCESS> 
  class AtomicBlackBoxTSetFunctor : public AtomicBlackBoxSetFunctor
  {
  public:
    typedef void (UBB::*SetMethodPointerType)(TACCESS);

    AtomicBlackBoxTSetFunctor(SetMethodPointerType s) :
      mSetMethodPointer(s) 
      {
        bbtkDebugMessage("data",9,"AtomicBlackBoxTSetFunctor<"<<
                        TypeName<UBB>()<<","<<
                        TypeName<T>()<<","<<
                        TypeName<TACCESS>()<<
                         ">::AtomicBlackBoxTSetFunctor()"<<std::endl);
      }
      
    void Set(AtomicBlackBox* o, const Data& d)
    { 
      bbtkDebugMessage("data",9,"AtomicBlackBoxTSetfunctor<"<<
                        TypeName<UBB>()<<","<<
                        TypeName<T>()<<","<<
                        TypeName<TACCESS>()<<
                       ">::Set()"<<std::endl);
      //      (((UBB*)o)->*mSetMethodPointer)(*(T*)d);
      //      bbtkAssert( bbtkEqualTypes( d.type(), typeid(T) ) );
      T t = d.unsafe_get<T>();
      (((UBB*)o)->*mSetMethodPointer)(t);
      //      bbtkDebugMessage("Kernel",9,"SetOK"<<std::endl);
    }

    TypeInfo GetTypeInfo() const { return typeid(T); }
    std::string GetTypeName() const { return TypeName<T>(); }
    std::string GetHumanTypeName() const { return HumanTypeName<T>(); }
    virtual bool IsPointerType() const { return false; }
    virtual void BruteForceSetPointer(AtomicBlackBox* b, void* p) 
    {
      bbtkInternalError("AtomicBlackBoxTSetFunctor<"
                        <<TypeName<UBB>()<<","
                        <<TypeName<T>()<<","
                        <<TypeName<TACCESS>()
                        <<">::BruteForceSetPointer("
                        <<b<<","<<p<<")"
                        <<" called whereas type '"
                        <<TypeName<T>()
                        <<"' is not a pointer type"); 
    }
  private:
    SetMethodPointerType mSetMethodPointer;
  };
  //===========================================================================



  //===========================================================================
  template <class UBB, class T, class TACCESS> 
  class AtomicBlackBoxTSetFunctor<UBB,T*,TACCESS*> 
    : public AtomicBlackBoxSetFunctor
  {
  public:
    typedef void (UBB::*SetMethodPointerType)(TACCESS*);

    AtomicBlackBoxTSetFunctor(SetMethodPointerType s) :
      mSetMethodPointer(s) 
    {
      bbtkDebugMessage("data",9,"AtomicBlackBoxTSetFunctor<"<<
                       TypeName<UBB>()<<","<<
                       TypeName<T*>()<<","<<
                       TypeName<TACCESS*>()<<
                       ">::AtomicBlackBoxTSetFunctor()"<<std::endl);
    }
    
    void Set(AtomicBlackBox* o, const Data& d)
    { 
      bbtkDebugMessage("data",9,"AtomicBlackBoxTSetfunctor<"<<
                       TypeName<UBB>()<<","<<
                       TypeName<T*>()<<","<<
                       TypeName<TACCESS*>()<<
                       ">::Set()"<<std::endl);
      
      (((UBB*)o)->*mSetMethodPointer)(d.unsafe_get<T*>());

    }

    TypeInfo GetTypeInfo() const { return typeid(T*); }
    std::string GetTypeName() const { return TypeName<T*>(); }
    std::string GetHumanTypeName() const { return HumanTypeName<T*>(); }
    virtual bool IsPointerType() const { return true; }

 
    virtual void BruteForceSetPointer(AtomicBlackBox* o, void* p) 
    {  
      bbtkDebugMessage("data",9,"AtomicBlackBoxTSetFunctor<"
                       <<TypeName<UBB>()<<","
                       <<TypeName<T*>()<<","
                       <<TypeName<TACCESS*>()
                       <<">::BruteForceSetPointer() (pointer specialization)");

      (((UBB*)o)->*mSetMethodPointer)((T*)p);

    }
  private:
    SetMethodPointerType mSetMethodPointer;
  };
  //===========================================================================

}
// namespace bbtk
#endif