bbtkTypeMapping.h

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/*=========================================================================                                                                               
  Program:   bbtk
  Module:    $RCSfile: bbtkTypeMapping.h,v $
  Language:  C++
  Date:      $Date: 2008/10/17 08:18:14 $
  Version:   $Revision: 1.2 $
=========================================================================*/

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

* 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 __bbtkTypeMapping_h_INCLUDED__
#define __bbtkTypeMapping_h_INCLUDED__


namespace bbtk 
{

template <typename ValueType>
class TypeMapping 
{
public:
  TypeMapping() {}

  template <typename T>
  ValueType& value() 
  {
    return m_map[ (void*)typeid(T).name() ];
  }
  template <typename T>
  ValueType& operator[]( const T& ) 
  {
    return m_map[ (void*)typeid(T).name() ];
  }

  ValueType& operator[]( const std::type_info& t) 
  {
    return m_map[ (void*)t.name() ];
  }
  
  unsigned int size() const { return m_map.size(); }

  typedef typename std::map<void*, ValueType>::const_iterator const_iterator;

  const_iterator begin() const { return m_map.begin(); }
  const_iterator end() const { return m_map.end(); }

protected:
  std::map<void*, ValueType> m_map;
};



}
#endif