Inventor/misc/SoRef.h

Go to the documentation of this file.

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2020 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/

#ifndef SO_REF_H
#define SO_REF_H

#include <Inventor/misc/SoAutoRef.h>

template <typename T>
class SoRef : public SoAutoRef
{
public:
  SoRef()
  {};

  SoRef(const SoRef<T>& that)
  :SoAutoRef(that)
  {
  }

  SoRef(T* pIn)
  :SoAutoRef(dynamic_cast<T*>(pIn))
  {
  }

  template<typename Y>
  SoRef(const SoRef<Y>& that)
  {
    m_pointer = that.ptr();
    if (m_pointer)
      m_pointer->ref();
  }

  virtual ~SoRef()
  {};

  inline T* releaseNoDelete()
  {
    T* p = dynamic_cast<T*>(m_pointer);
    if (m_pointer)
    {
      m_pointer->unrefNoDelete();
      m_pointer = NULL;
    }
    return p;
  }


  SoRef<T>& operator=(const SoRef<T>& that)
  {
    (*this) = (T*)(that.m_pointer);
    return *this;
  }

  template<typename Y>
  SoRef<T>& operator=(const SoRef<Y>& that)
  {
    (*this) = dynamic_cast<T*>(that.ptr());
    return *this;
  }

  SoRef<T>& operator=(T* ptr)
  {
    if (m_pointer != ptr) {
      if (m_pointer)
        m_pointer->unref();
      m_pointer = ptr;
      if (m_pointer)
        m_pointer->ref();
    }
    return *this;
  }

  T& operator*() const
  { return *((T*)m_pointer); }

  T* operator->() const
  { return ((T*)(m_pointer)); }

  T* ptr() const 
  { return ((T*)(m_pointer)); }

};

#endif // SO_REF_H

---

Open Inventor Toolkit reference manual, generated on 15 Mar 2023
Copyright © Thermo Fisher Scientific All rights reserved. http://www.openinventor.com/