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 // Created on: 1993-07-01
 // Created by: Remi LEQUETTE
 // 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 _TopTools_ShapeSet_HeaderFile
 #define _TopTools_ShapeSet_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 #include <TopTools_ShapeMapHasher.hxx>
 #include <NCollection_IndexedMap.hxx>
 #include <TopTools_LocationSet.hxx>
 #include <Standard_Integer.hxx>
 #include <Standard_OStream.hxx>
 #include <Standard_IStream.hxx>
 #include <TopAbs_ShapeEnum.hxx>
 #include <TopTools_FormatVersion.hxx>
 
 class TopoDS_Shape;
 class TCollection_AsciiString;
 
 //! A ShapeSets contains a Shape and all its
 //! sub-shapes and locations. It can be dump, write
 //! and read.
 //!
 //! Methods to handle the geometry can be redefined.
 class TopTools_ShapeSet
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Builds an empty ShapeSet.
   Standard_EXPORT TopTools_ShapeSet();
 
   Standard_EXPORT virtual ~TopTools_ShapeSet();
 
   //! Sets the TopTools_FormatVersion
   Standard_EXPORT void SetFormatNb(const int theFormatNb);
 
   //! Returns the TopTools_FormatVersion
   Standard_EXPORT int FormatNb() const;
 
   //! Clears the content of the set. This method can be
   //! redefined.
   Standard_EXPORT virtual void Clear();
 
   //! 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) const;
 
   //! Returns the index of <S>.
   Standard_EXPORT int Index(const TopoDS_Shape& S) const;
 
   Standard_EXPORT const TopTools_LocationSet& Locations() const;
 
   Standard_EXPORT TopTools_LocationSet& ChangeLocations();
 
   //! Dumps the number of objects in me on the stream <OS>.
   //! (Number of shapes of each type)
   Standard_EXPORT Standard_OStream& DumpExtent(Standard_OStream& OS) const;
 
   //! Dumps the number of objects in me in the string S
   //! (Number of shapes of each type)
   Standard_EXPORT void DumpExtent(TCollection_AsciiString& S) const;
 
   //! Dumps the content of me on the stream <OS>.
   //!
   //! Dumps the shapes from first to last.
   //! For each Shape
   //! Dump the type, the flags, the subshapes
   //! calls DumpGeometry(S)
   //!
   //! Dumps the geometry calling DumpGeometry.
   //!
   //! Dumps the locations.
   Standard_EXPORT virtual void Dump(Standard_OStream& OS) const;
 
   //! Writes the content of me on the stream <OS> in a
   //! 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 virtual void Write(
     Standard_OStream&            OS,
     const Message_ProgressRange& theProgress = Message_ProgressRange());
 
   //! Reads the content of me from the 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 virtual void Read(
     Standard_IStream&            IS,
     const Message_ProgressRange& theProgress = Message_ProgressRange());
 
   //! Dumps on <OS> the shape <S>. Dumps the
   //! orientation, the index of the TShape and the index
   //! of the Location.
   Standard_EXPORT void Dump(const TopoDS_Shape& S, Standard_OStream& OS) const;
 
   //! 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) const;
 
   //! Reads from <IS> a shape and returns it in S.
   Standard_EXPORT void Read(TopoDS_Shape& S, Standard_IStream& IS) const;
 
   //! Stores the geometry of <S>.
   Standard_EXPORT virtual void AddGeometry(const TopoDS_Shape& S);
 
   //! Dumps the geometry of me on the stream <OS>.
   Standard_EXPORT virtual void DumpGeometry(Standard_OStream& OS) const;
 
   //! Writes the geometry of me on the stream <OS> in a
   //! format that can be read back by Read.
   Standard_EXPORT virtual void WriteGeometry(
     Standard_OStream&            OS,
     const Message_ProgressRange& theProgress = Message_ProgressRange());
 
   //! Reads the geometry of me from the stream <IS>.
   Standard_EXPORT virtual void ReadGeometry(
     Standard_IStream&            IS,
     const Message_ProgressRange& theProgress = Message_ProgressRange());
 
   //! Dumps the geometry of <S> on the stream <OS>.
   Standard_EXPORT virtual void DumpGeometry(const TopoDS_Shape& S, Standard_OStream& OS) const;
 
   //! Writes the geometry of <S> on the stream <OS> in a
   //! format that can be read back by Read.
   Standard_EXPORT virtual void WriteGeometry(const TopoDS_Shape& S, Standard_OStream& OS) const;
 
   //! Reads the geometry of a shape of type <T> from the
   //! stream <IS> and returns it in <S>.
   Standard_EXPORT virtual void ReadGeometry(const TopAbs_ShapeEnum T,
                                             Standard_IStream&      IS,
                                             TopoDS_Shape&          S);
 
   //! Inserts the shape <S2> in the shape <S1>. This
   //! method must be redefined to use the correct
   //! builder.
   Standard_EXPORT virtual void AddShapes(TopoDS_Shape& S1, const TopoDS_Shape& S2);
 
   //! This method is called after each new completed
   //! shape. <T> is the type. <S> is the shape. In this
   //! class it does nothing, but it gives the opportunity
   //! in derived classes to perform extra treatment on
   //! shapes.
   Standard_EXPORT virtual void Check(const TopAbs_ShapeEnum T, TopoDS_Shape& S);
 
   //! Returns number of shapes read from file.
   Standard_EXPORT int NbShapes() const;
 
 public:
   static const char* const THE_ASCII_VERSIONS[TopTools_FormatVersion_VERSION_3 + 1];
 
 private:
   //! Reads from <IS> a shape and returns it in S.
   //! <NbShapes> is the number of tshapes in the set.
   Standard_EXPORT void Read(TopoDS_Shape& S, Standard_IStream& IS, const int NbShapes) const;
 
   NCollection_IndexedMap<TopoDS_Shape, TopTools_ShapeMapHasher> myShapes;
   TopTools_LocationSet                                          myLocations;
   int                                                           myFormatNb;
 };
 
 #endif // _TopTools_ShapeSet_HeaderFile

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