// Created on: 1993-02-25
// Created by: Jean Yves LEBEY
// Copyright (c) 1993-1999 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 _TopOpeBRepBuild_BlockBuilder_HeaderFile
#define _TopOpeBRepBuild_BlockBuilder_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"

#include "Standard_Integer.hxx"
#include "NCollection_DataMap.hxx"
#include "TopoDS_Shape.hxx"
#include "NCollection_IndexedMap.hxx"
#include "NCollection_Sequence.hxx"
#include "Standard_Boolean.hxx"
class TopOpeBRepBuild_ShapeSet;
class TopOpeBRepBuild_BlockIterator;
class TopoDS_Shape;

class TopOpeBRepBuild_BlockBuilder
{
public:
  DEFINE_STANDARD_ALLOC

  Standard_EXPORT TopOpeBRepBuild_BlockBuilder();

  Standard_EXPORT TopOpeBRepBuild_BlockBuilder(TopOpeBRepBuild_ShapeSet& SS);

  Standard_EXPORT void MakeBlock(TopOpeBRepBuild_ShapeSet& SS);

  Standard_EXPORT void InitBlock();

  Standard_EXPORT bool MoreBlock() const;

  Standard_EXPORT void NextBlock();

  Standard_EXPORT TopOpeBRepBuild_BlockIterator BlockIterator() const;

  //! Returns the current element of <BI>.
  Standard_EXPORT const TopoDS_Shape& Element(const TopOpeBRepBuild_BlockIterator& BI) const;

  Standard_EXPORT const TopoDS_Shape& Element(const int I) const;

  Standard_EXPORT int Element(const TopoDS_Shape& S) const;

  Standard_EXPORT bool ElementIsValid(const TopOpeBRepBuild_BlockIterator& BI) const;

  Standard_EXPORT bool ElementIsValid(const int I) const;

  Standard_EXPORT int AddElement(const TopoDS_Shape& S);

  Standard_EXPORT void SetValid(const TopOpeBRepBuild_BlockIterator& BI, const bool isvalid);

  Standard_EXPORT void SetValid(const int I, const bool isvalid);

  Standard_EXPORT bool CurrentBlockIsRegular();

private:
  NCollection_DataMap<int, int>        myOrientedShapeMapIsValid;
  NCollection_IndexedMap<TopoDS_Shape> myOrientedShapeMap;
  NCollection_Sequence<int>            myBlocks;
  int                                  myBlockIndex;
  bool                                 myIsDone;
  NCollection_Sequence<int>            myBlocksIsRegular;
};

#endif // _TopOpeBRepBuild_BlockBuilder_HeaderFile