OwningOrAliasingPtr.h

 
#pragma once
 
#if defined(OwningOrAliasingPtr_RECURSES)
#error Recursive header files inclusion detected in OwningOrAliasingPtr.h
#else // defined(OwningOrAliasingPtr_RECURSES)
#define OwningOrAliasingPtr_RECURSES
 
#if !defined OwningOrAliasingPtr_h
#define OwningOrAliasingPtr_h
 
// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
 
namespace DGtal
{
 
  // template class OwningOrAliasingPtr
  template <typename T>
  class OwningOrAliasingPtr
  {
 
    BOOST_CONCEPT_ASSERT(( boost::CopyConstructible<T> ));
 
    // ----------------------- Inner types       ------------------------------
  public:
    typedef T Value; 
    typedef T* Pointer;
    typedef T& Reference;   
 
    // ----------------------- Standard services ------------------------------
  public:
 
    OwningOrAliasingPtr( const T& aValue );
 
    OwningOrAliasingPtr( Pointer aPtr, bool isOwning = false ); 
 
    OwningOrAliasingPtr ( const OwningOrAliasingPtr & other );
 
    OwningOrAliasingPtr & operator= ( const OwningOrAliasingPtr & other );
 
    ~OwningOrAliasingPtr();
 
    // ----------------------- Interface --------------------------------------
  public:
 
    Pointer operator->() const;
 
    Pointer get() const;
 
    Reference operator*() const;
 
    bool isOwning() const;
 
    void selfDisplay ( std::ostream & out ) const;
 
    bool isValid() const;
 
    // ------------------------- Protected Datas ------------------------------
  private:
    // ------------------------- Private Datas --------------------------------
  private:
 
    Pointer myPtr; 
 
    bool myFlagIsOwning; 
 
 
    // ------------------------- Hidden services ------------------------------
  protected:
 
 
  private:
 
 
    // ------------------------- Internals ------------------------------------
  private:
 
  }; // end of class OwningOrAliasingPtr
 
 
  template <typename T>
  std::ostream&
  operator<< ( std::ostream & out, const OwningOrAliasingPtr<T> & object );
 
} // namespace DGtal
 
 
// Includes inline functions.
#include "DGtal/base/OwningOrAliasingPtr.ih"
 
//                                                                           //
 
#endif // !defined OwningOrAliasingPtr_h
 
#undef OwningOrAliasingPtr_RECURSES
#endif // else defined(OwningOrAliasingPtr_RECURSES)