#ifndef __bbtkPimpl_h_INCLUDED__
#define __bbtkPimpl_h_INCLUDED__


/** \brief Macro defining the members used to hide a class implementation details using the pimpl idom	
 *    /// See http://c2.com/cgi/wiki?PimplIdiom
 * NOTE :
 *  - Defines the struct Pimpl to be implemented in cpp file
 *  - Declares a private member called p
 *  - Declares the methods PimplConstruct/PimplCopyConstruct/PimplDestruct
 */
#define BBTK_DECLARE_PIMPL(CLASS)				      \
  private:							      \
  /* The Pimpl struct forward definition */			      \
  class Pimpl;							      \
  /* The Pimpl pointer */					      \
  Pimpl* p;							      \
  /* Constructs the Pimpl (to be called in all Ctors) */	      \
  void PimplConstruct();					      \
  /* Copy constructs the Pimpl (to be called in copy Ctor) */	      \
  void PimplCopyConstruct(const CLASS&);			      \
  /* Destructs the Pimpl (to be called in Dtor) */		      \
  void PimplDestruct();

#endif

/** \brief Macro implementing the PimplConstruct/PimplCopyConstruct/PimplDestruct method declared by BBTK_DECLARE_PIMPL: to be put in cpp **/
#define BBTK_IMPL_PIMPL(CLASS)						\
  void CLASS::PimplConstruct()						\
  {									\
    p = new Pimpl;							\
  }									\
  void CLASS::PimplCopyConstruct(const CLASS& o)			\
  {									\
    p = new Pimpl(*(o.p));						\
  }									\
  void CLASS::PimplDestruct()						\
  {									\
    delete p;								\
  }