CSet.hpp

/*------------------------------------------------------------------------*/
/*      phdMesh : Parallel Heterogneous Dynamic unstructured Mesh         */
/*                Copyright (2007) Sandia Corporation                     */
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/*  Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive   */
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/*  This library is free software; you can redistribute it and/or modify  */
/*  it under the terms of the GNU Lesser General Public License as        */
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/*------------------------------------------------------------------------*/
#ifndef util_CSet_hpp
#define util_CSet_hpp

#include <typeinfo>
#include <vector>

namespace phdmesh {

//----------------------------------------------------------------------
class CSet {
public:

  template<class T> const T * get() const ;

  template<class T>
  const T * insert_with_delete( const T * );

  template<class T>
  const T * insert_no_delete( const T * );

  template<class T> bool remove( const T * );

  //--------------------------------

  ~CSet();
  CSet();

private:

  typedef void (*DeleteFunction)(void *);

  typedef std::pair< const std::type_info * , DeleteFunction > Manager ;

  const void * p_get( const std::type_info & ) const ;

  const void * p_insert( const Manager & , const void * );

  bool p_remove( const std::type_info & , const void * );

  std::vector< Manager > m_manager ;
  std::vector< const void * > m_value ;

  CSet( const CSet & );
  CSet & operator = ( const CSet & );
};

}

//----------------------------------------------------------------------
//----------------------------------------------------------------------

#ifndef DOXYGEN_COMPILE

// Inlined template methods have casting.

namespace phdmesh {

namespace {
template<class T>
void cset_member_delete( void * v ) { delete reinterpret_cast<T*>( v ); }
}

template<class T>
inline
const T * CSet::get() const
{ return (const T*) p_get( typeid(T) ); }

template<class T>
inline
const T * CSet::insert_with_delete( const T * arg_value )
{
  Manager m ;
  m.first  = & typeid(T);
  m.second = & cset_member_delete<T> ;
  return (const T *) p_insert( m , arg_value );
}

template<class T>
inline
const T * CSet::insert_no_delete( const T * arg_value )
{
  Manager m ;
  m.first  = & typeid(T);
  m.second = NULL ;
  return (const T *) p_insert( m , arg_value );
}

template<class T>
inline
bool CSet::remove( const T * arg_value )
{ return p_remove( typeid(T) , arg_value ); }

} // namespace phdmesh

#endif /* DOXYGEN_COMPILE */

#endif /* util_CSet_hpp */

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