File indexing completed on 2024-04-28 15:22:57

 /*
  * This file is part of the DOM implementation for KDE.
  *
  * Copyright 1999 Lars Knoll (knoll@kde.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 #ifndef _DOM_RefCountImpl_h_
 #define _DOM_RefCountImpl_h_
 
 #include <khtml_export.h>
 
 namespace DOM
 {
 
 /*
  * This implements the reference counting scheme used for all internal
  * DOM objects.
  *
  * Other objects should overload deleteMe() to fit their needs. The default
  * implementation deletes the object if the ref count drops to 0.
  */
 class KHTML_EXPORT DomShared
 {
 public:
     DomShared() : _ref(0) {}
     virtual ~DomShared();
 
     /* Overload this function if you want a different deletion behavior
      */
     virtual bool deleteMe();
 
     void ref()
     {
         _ref++;
     }
     void deref()
     {
         if (_ref) {
             _ref--;
         } if (!_ref && deleteMe()) {
             delete this;
         }
     }
     bool hasOneRef() const
     {
         return _ref == 1;
     }
     unsigned int refCount() const
     {
         return _ref;
     }
 
 protected:
     // the number of DOMObjects referencing this Node
     // An implementation object will delete itself, if it has
     // no DOMObject referencing it, and deleteMe() returns true.
     unsigned int _ref;
 };
 
 } // namespace
 
 #endif