// Created on: 1995-12-08
// Created by: Jean Yves LEBEY
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _TopOpeBRepDS_PointExplorer_HeaderFile
#define _TopOpeBRepDS_PointExplorer_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>

#include <Standard_Integer.hxx>
#include <TopOpeBRepDS_Point.hxx>
class TopOpeBRepDS_DataStructure;

class TopOpeBRepDS_PointExplorer
{
public:
  DEFINE_STANDARD_ALLOC

  Standard_EXPORT TopOpeBRepDS_PointExplorer();

  Standard_EXPORT TopOpeBRepDS_PointExplorer(const TopOpeBRepDS_DataStructure& DS,
                                             const Standard_Boolean FindOnlyKeep = Standard_True);

  Standard_EXPORT void Init(const TopOpeBRepDS_DataStructure& DS,
                            const Standard_Boolean            FindOnlyKeep = Standard_True);

  Standard_EXPORT Standard_Boolean More() const;

  Standard_EXPORT void Next();

  Standard_EXPORT const TopOpeBRepDS_Point& Point() const;

  Standard_EXPORT Standard_Boolean IsPoint(const Standard_Integer I) const;

  Standard_EXPORT Standard_Boolean IsPointKeep(const Standard_Integer I) const;

  Standard_EXPORT const TopOpeBRepDS_Point& Point(const Standard_Integer I) const;

  Standard_EXPORT Standard_Integer NbPoint();

  Standard_EXPORT Standard_Integer Index() const;

protected:
private:
  Standard_EXPORT void Find();

  Standard_Integer   myIndex;
  Standard_Integer   myMax;
  Standard_Address   myDS;
  Standard_Boolean   myFound;
  TopOpeBRepDS_Point myEmpty;
  Standard_Boolean   myFindKeep;
};

#endif // _TopOpeBRepDS_PointExplorer_HeaderFile
