SbPImpl.h

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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
 
#ifndef HIDDEN_FROM_DOC
 
#ifndef _SB_PIMPL_MACRO_H_
#define _SB_PIMPL_MACRO_H_
 
 
// Define supported C++ level for PIMPL design, not that
// C++ 11 is fully supported if __cplusplus >= 201103L.
// This value defines the way we store the implementation class:
// "0", using SoRef
// "1", using std::auto_ptr
// "2", using std::unique_ptr (c++ 11 should be at least partially supported)
#define OIV_PIMPL_CXX11 0
 
#if !(OIV_PIMPL_CXX11)
#include <Inventor/misc/SoRefCounter.h>
#else
#include <memory>
#endif
 
namespace inventor
{
namespace impl
{
 
template<typename PublicType>
#if !(OIV_PIMPL_CXX11)
class SbPImpl : public SoRefCounter
#else
class SbPImpl
#endif
{
public:
 
  SbPImpl( PublicType* p ) : m_public(p) {}
 
  virtual ~SbPImpl() {}
 
  template<typename SuperPublicType>
  SuperPublicType* getPublic () const { return static_cast<SuperPublicType*>(m_public); }
 
private:
 
  // public node
  PublicType* m_public;
 
private:
 
  // force using constructor with parameter
  SbPImpl () {}
};
 
} // namespace impl
} // namespace inventor
 
#define SO_PIMPL_PUBLIC_DECLARATION(Class) \
namespace inventor\
{\
namespace impl\
{\
class Class##Impl;\
}\
}
 
#define SO_PIMPL_BASE_PUBLIC_DECLARATION(Class) SO_PIMPL_PUBLIC_DECLARATION(Class)
 
#define SO_PIMPL_PUBLIC_HEADER(Class) \
SoINTERNAL private:\
  friend class inventor::impl::Class##Impl;\
 
  Class(inventor::impl::Class##Impl *impl);
 
#define SO_PIMPL_ABSTRACT_PUBLIC_HEADER(Class, ParentClass) \
SoINTERNAL private:\
 
  Class(inventor::impl::ParentClass##Impl *impl);
 
#define SO_PIMPL_FINAL_PUBLIC_HEADER(Class) \
SoINTERNAL private:\
  friend class inventor::impl::Class##Impl;
 
#if OIV_PIMPL_CXX11 == 0
#define SO_PIMPL_BASE_PUBLIC_HEADER(Class) \
SO_PIMPL_PUBLIC_HEADER(Class) \
  SoRef< inventor::impl::SbPImpl< Class > > m_impl; \
 
  template<typename ImplType> \
  ImplType* getImpl() const { \
    assert(m_impl->getPublic< Class >() == this); \
    return static_cast< ImplType *>(m_impl.ptr()); \
  } \
 
  void setImpl( inventor::impl::SbPImpl< Class >* impl ) { m_impl = impl; }
#elif OIV_PIMPL_CXX11 == 1
#define SO_PIMPL_BASE_PUBLIC_HEADER(Class) \
SO_PIMPL_PUBLIC_HEADER(Class) \
  std::auto_ptr< inventor::impl::SbPImpl< Class > > m_impl; \
 
  template<typename ImplType> \
  ImplType* getImpl() const { \
    assert(m_impl->getPublic< Class >() == this); \
    return static_cast< ImplType *>(m_impl.ptr()); \
  } \
 
  void setImpl ( inventor::impl::SbPImpl< Class >* impl ) { m_impl.reset(impl); }
#else
#define SO_PIMPL_BASE_PUBLIC_HEADER(Class) \
SO_PIMPL_PUBLIC_HEADER(Class);\
  std::unique_ptr< inventor::impl::SbPImpl< Class > > m_impl; \
 
  template<typename ImplType> \
  ImplType* getImpl() const { \
    assert(m_impl->getPublic< Class >() == this); \
    return static_cast< ImplType *>(m_impl.ptr()); \
  } \
 
  void setImpl( inventor::impl::SbPImpl< Class >* impl ) { m_impl.reset( impl ); }
#endif
 
#endif //_SB_PIMPL_MACRO_H_
 
#endif // HIDDEN_FROM_DOC