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 // Created on: 2004-05-11
 // Created by: Sergey ZARITCHNY <szy@opencascade.com>
 // Copyright (c) 2004-2014 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 _BinTools_ShapeSet_HeaderFile
 #define _BinTools_ShapeSet_HeaderFile
 
 #include <BinTools_ShapeSetBase.hxx>
 
 #include <TopTools_ShapeMapHasher.hxx>
 #include <NCollection_IndexedMap.hxx>
 #include <BinTools_LocationSet.hxx>
 #include <BRep_Builder.hxx>
 #include <BinTools_SurfaceSet.hxx>
 #include <BinTools_CurveSet.hxx>
 #include <BinTools_Curve2dSet.hxx>
 #include <Standard_Transient.hxx>
 #include <Standard_OStream.hxx>
 #include <Standard_IStream.hxx>
 
 //! Writes topology in OStream in binary format
 class BinTools_ShapeSet : public BinTools_ShapeSetBase
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Builds an empty ShapeSet.
   //! @param[in] theWithTriangles  flag to write triangulation data
   Standard_EXPORT BinTools_ShapeSet();
 
   Standard_EXPORT ~BinTools_ShapeSet() override;
 
   //! Clears the content of the set.
   Standard_EXPORT void Clear() override;
 
   //! Stores <S> and its sub-shape. Returns the index of <S>.
   //! The method AddGeometry is called on each sub-shape.
   Standard_EXPORT int Add(const TopoDS_Shape& S);
 
   //! Returns the sub-shape of index <I>.
   Standard_EXPORT const TopoDS_Shape& Shape(const int I);
 
   //! Returns the index of <S>.
   Standard_EXPORT int Index(const TopoDS_Shape& S) const;
 
   Standard_EXPORT const BinTools_LocationSet& Locations() const;
 
   Standard_EXPORT BinTools_LocationSet& ChangeLocations();
 
   //! Returns number of shapes read from file.
   Standard_EXPORT int NbShapes() const;
 
   //! Writes the content of me on the stream <OS> in binary
   //! format that can be read back by Read.
   //!
   //! Writes the locations.
   //!
   //! Writes the geometry calling WriteGeometry.
   //!
   //! Dumps the shapes from last to first.
   //! For each shape:
   //! Write the type.
   //! calls WriteGeometry(S).
   //! Write the flags, the subshapes.
   Standard_EXPORT void Write(
     Standard_OStream&            OS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) override;
 
   //! Reads the content of me from the binary stream <IS>. me
   //! is first cleared.
   //!
   //! Reads the locations.
   //!
   //! Reads the geometry calling ReadGeometry.
   //!
   //! Reads the shapes.
   //! For each shape
   //! Reads the type.
   //! calls ReadGeometry(T,S).
   //! Reads the flag, the subshapes.
   Standard_EXPORT void Read(
     Standard_IStream&            IS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) override;
 
   //! Writes on <OS> the shape <S>. Writes the
   //! orientation, the index of the TShape and the index
   //! of the Location.
   Standard_EXPORT void Write(const TopoDS_Shape& S, Standard_OStream& OS) override;
 
   //! Writes the geometry of me on the stream <OS> in a
   //! binary format that can be read back by Read.
   Standard_EXPORT virtual void WriteGeometry(
     Standard_OStream&            OS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) const;
 
   //! Reads the geometry of me from the stream <IS>.
   Standard_EXPORT virtual void ReadGeometry(
     Standard_IStream&            IS,
     const Message_ProgressRange& theRange = Message_ProgressRange());
 
   //! Reads from <IS> a shape flags and sub-shapes and modifies S.
   Standard_EXPORT virtual void ReadFlagsAndSubs(TopoDS_Shape&          S,
                                                 const TopAbs_ShapeEnum T,
                                                 Standard_IStream&      IS,
                                                 const int              NbShapes);
 
   //! Reads from <IS> a shape and returns it in S.
   //! <NbShapes> is the number of tshapes in the set.
   Standard_EXPORT virtual void ReadSubs(TopoDS_Shape& S, Standard_IStream& IS, const int NbShapes);
 
   //! An empty virtual method for redefinition in shape-reader.
   Standard_EXPORT void Read(Standard_IStream& /*theStream*/, TopoDS_Shape& /*theShape*/) override {
   };
 
   //! Writes the shape <S> on the stream <OS> in a
   //! binary format that can be read back by Read.
   Standard_EXPORT virtual void WriteShape(const TopoDS_Shape& S, Standard_OStream& OS) const;
 
   //! Reads a shape of type <T> from the stream <IS> and returns it in <S>.
   Standard_EXPORT virtual void ReadShape(const TopAbs_ShapeEnum T,
                                          Standard_IStream&      IS,
                                          TopoDS_Shape&          S);
 
   //! Stores the shape <S>.
   Standard_EXPORT virtual void AddShape(const TopoDS_Shape& S);
 
   //! Inserts the shape <S2> in the shape <S1>.
   Standard_EXPORT virtual void AddShapes(TopoDS_Shape& S1, const TopoDS_Shape& S2);
 
   //! Reads the 3d polygons of me
   //! from the stream <IS>.
   Standard_EXPORT void ReadPolygon3D(
     Standard_IStream&            IS,
     const Message_ProgressRange& theRange = Message_ProgressRange());
 
   //! Writes the 3d polygons
   //! on the stream <OS> in a format that can
   //! be read back by Read.
   Standard_EXPORT void WritePolygon3D(
     Standard_OStream&            OS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) const;
 
   //! Reads the triangulation of me
   //! from the stream <IS>.
   Standard_EXPORT void ReadTriangulation(
     Standard_IStream&            IS,
     const Message_ProgressRange& theRange = Message_ProgressRange());
 
   //! Writes the triangulation
   //! on the stream <OS> in a format that can
   //! be read back by Read.
   Standard_EXPORT void WriteTriangulation(
     Standard_OStream&            OS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) const;
 
   //! Reads the polygons on triangulation of me
   //! from the stream <IS>.
   Standard_EXPORT void ReadPolygonOnTriangulation(
     Standard_IStream&            IS,
     const Message_ProgressRange& theRange = Message_ProgressRange());
 
   //! Writes the polygons on triangulation
   //! on the stream <OS> in a format that can
   //! be read back by Read.
   Standard_EXPORT void WritePolygonOnTriangulation(
     Standard_OStream&            OS,
     const Message_ProgressRange& theRange = Message_ProgressRange()) const;
 
 private:
   NCollection_IndexedMap<TopoDS_Shape, TopTools_ShapeMapHasher>
                        myShapes; ///< index and its shape (started from 1)
   BinTools_LocationSet myLocations;
   BRep_Builder         myBuilder;
   BinTools_SurfaceSet  mySurfaces;
   BinTools_CurveSet    myCurves;
   BinTools_Curve2dSet  myCurves2d;
   NCollection_IndexedMap<occ::handle<Poly_Polygon2D>> myPolygons2D;
   NCollection_IndexedMap<occ::handle<Poly_Polygon3D>> myPolygons3D;
   NCollection_IndexedDataMap<occ::handle<Poly_Triangulation>,
                              // clang-format off
                              bool> myTriangulations; //!< Contains a boolean flag with information
                                                                  //!  to save normals for triangulation
   // clang-format on
   NCollection_IndexedMap<occ::handle<Poly_PolygonOnTriangulation>> myNodes;
 };
 
 #endif // _BinTools_ShapeSet_HeaderFile

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