text: // Created on: 1997-02-05
  // Created by: Yves FRICAUD
  // Copyright (c) 1997-1999 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 _TNaming_UsedShapes_HeaderFile
  #define _TNaming_UsedShapes_HeaderFile
  
  #include <Standard.hxx>
  #include <Standard_Type.hxx>
  
  #include <TNaming_DataMapOfShapePtrRefShape.hxx>
  #include <TDF_Attribute.hxx>
  #include <Standard_Boolean.hxx>
  #include <Standard_OStream.hxx>
  class TNaming_Builder;
  class Standard_GUID;
  class TDF_Attribute;
  class TDF_AttributeDelta;
  class TDF_DeltaOnAddition;
  class TDF_DeltaOnRemoval;
  class TDF_RelocationTable;
  class TDF_DataSet;
  
  
  class TNaming_UsedShapes;
  DEFINE_STANDARD_HANDLE(TNaming_UsedShapes, TDF_Attribute)
  
  //! Global attribute located under root label to store all
  //! the shapes handled by the framework
  //! Set of Shapes Used in a Data from TDF
  //! Only one instance by Data, it always
  //! Stored as Attribute of The Root.
  class TNaming_UsedShapes : public TDF_Attribute
  {
  
  public:
  
    
    Standard_EXPORT void Destroy();
  ~TNaming_UsedShapes()
  {
    Destroy();
  }
    
      TNaming_DataMapOfShapePtrRefShape& Map();
    
    //! Returns the ID of the attribute.
      const Standard_GUID& ID() const Standard_OVERRIDE;
    
    //! Returns the ID: 2a96b614-ec8b-11d0-bee7-080009dc3333.
    Standard_EXPORT static const Standard_GUID& GetID();
    
    //! Copies  the attribute  contents into  a  new other
    //! attribute. It is used by Backup().
    Standard_EXPORT virtual Handle(TDF_Attribute) BackupCopy() const Standard_OVERRIDE;
    
    //! Restores the contents from <anAttribute> into this
    //! one. It is used when aborting a transaction.
    Standard_EXPORT virtual void Restore (const Handle(TDF_Attribute)& anAttribute) Standard_OVERRIDE;
    
    //! Clears the table.
    Standard_EXPORT virtual void BeforeRemoval() Standard_OVERRIDE;
    
    //! Something to do after applying <anAttDelta>.
    Standard_EXPORT virtual Standard_Boolean AfterUndo (const Handle(TDF_AttributeDelta)& anAttDelta, const Standard_Boolean forceIt = Standard_False) Standard_OVERRIDE;
    
    //! this method returns a null handle (no delta).
    Standard_EXPORT virtual Handle(TDF_DeltaOnAddition) DeltaOnAddition() const Standard_OVERRIDE;
    
    //! this method returns a null handle (no delta).
    Standard_EXPORT virtual Handle(TDF_DeltaOnRemoval) DeltaOnRemoval() const Standard_OVERRIDE;
    
    //! Returns an new empty attribute from the good end
    //! type. It is used by the copy algorithm.
    Standard_EXPORT virtual Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
    
    //! This method is different from the "Copy" one,
    //! because it is used when copying an attribute from
    //! a source structure into a target structure. This
    //! method pastes the current attribute to the label
    //! corresponding to the insertor. The pasted
    //! attribute may be a brand new one or a new version
    //! of the previous one.
    Standard_EXPORT virtual void Paste (const Handle(TDF_Attribute)& intoAttribute, const Handle(TDF_RelocationTable)& aRelocTationable) const Standard_OVERRIDE;
    
    //! Adds the directly referenced attributes and labels
    //! to <aDataSet>. "Directly" means we have only to
    //! look at the first level of references.
    //!
    //! For this, use only the AddLabel() & AddAttribute()
    //! from DataSet and do not try to modify information
    //! previously stored in <aDataSet>.
    Standard_EXPORT virtual void References (const Handle(TDF_DataSet)& aDataSet) const Standard_OVERRIDE;
    
    //! Dumps the attribute on <aStream>.
    Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
    
    //! Dumps the content of me into the stream
    Standard_EXPORT void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
  
  friend class TNaming_Builder;
  
  
    DEFINE_STANDARD_RTTIEXT(TNaming_UsedShapes,TDF_Attribute)
  
  protected:
  
  
  
  
  private:
  
    
    Standard_EXPORT TNaming_UsedShapes();
  
    TNaming_DataMapOfShapePtrRefShape myMap;
  
  
  };
  
  
  #include <TNaming_UsedShapes.lxx>
  
  
  
  
  
  #endif // _TNaming_UsedShapes_HeaderFile
  