vtkObjectBaseStack.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * $Id: vtkObjectBaseStack.h,v 1.5 2004/06/03 18:58:28 xpxqx Exp $
 *
 * Copyright (c) 2004 Sean McInerney
 * All rights reserved.
 *
 * See Copyright.txt or http://vtkextensions.sourceforge.net/Copyright.html
 * for details.
 *
 *    This software is distributed WITHOUT ANY WARRANTY; without even 
 *    the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
 *    PURPOSE.  See the above copyright notice for more information.
 *
 */
#ifndef VTK_OBJECT_BASE_STACK_H_
#  define VTK_OBJECT_BASE_STACK_H_
#  include "vtkContainer.h"
#  include "vtkObjectBaseStackIterator.h" // Covariant return type.

VTK_EXTENSIONS_CONTAINERS_NAMESPACE_BEGIN

class vtkObjectBaseStackInternal;

class VTK_EXTENSIONS_CONTAINERS_EXPORT vtkObjectBaseStack
  : public vtkContainer
{
public:
  static vtkObjectBaseStack* New (void);
  vtkTypeRevisionMacro (vtkObjectBaseStack, vtkContainer);

  vtkIdType                     GetSize (void) const;

  int                           IsEmpty (void) const;

  vtkIdType                     GetMaxSize (void) const;

  void                          Clear (void);

  virtual int                   Swap (vtkObjectBaseStack* container);

  virtual int                   Push (vtkObjectBase* object);

  int                           Pop (void);

  virtual vtkObjectBase*        Top (void) const;
  vtkObjectBaseStackIterator* CreateIterator (void);

protected:
  vtkObjectBaseStack (void);
  ~vtkObjectBaseStack();

private:
  //BTX
  vtkObjectBaseStackInternal* Internal;

  friend class vtkObjectBaseStackIterator;

  vtkObjectBase*        Front (void) const;

  vtkObjectBase*        Back (void) const;
  int Swap (vtkContainer* a)
    { return this->Swap(static_cast<vtkObjectBaseStack*>(a)); }
  //ETX

private:
  vtkObjectBaseStack (const vtkObjectBaseStack&);
  void operator= (const vtkObjectBaseStack&);
};

// ----------------------------------------------------------------------------
inline vtkObjectBase*
vtkObjectBaseStack::Top (void) const
{
  return this->Back();
}

VTK_EXTENSIONS_CONTAINERS_NAMESPACE_END

#endif /* VTK_OBJECT_BASE_STACK_H_ */
/* 
 * End of: $Id: vtkObjectBaseStack.h,v 1.5 2004/06/03 18:58:28 xpxqx Exp $.
 * 
 */

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