1 // Created on: 1999-08-02
2 // Created by: Denis PASCAL
3 // Copyright (c) 1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _TDataStd_Current_HeaderFile
18 #define _TDataStd_Current_HeaderFile
20 #include <Standard.hxx>
22 #include <TDF_Label.hxx>
23 #include <TDF_Attribute.hxx>
24 #include <Standard_Boolean.hxx>
25 #include <Standard_OStream.hxx>
27 class TDF_RelocationTable;
30 class TDataStd_Current;
31 DEFINE_STANDARD_HANDLE(TDataStd_Current, TDF_Attribute)
33 //! this attribute, located at root label, manage an
34 //! access to a current label.
35 class TDataStd_Current : public TDF_Attribute
43 Standard_EXPORT static const Standard_GUID& GetID();
45 //! Set <L> as current of <L> Framework.
46 Standard_EXPORT static void Set (const TDF_Label& L);
48 //! returns current of <acces> Framework. raise if (!Has)
49 Standard_EXPORT static TDF_Label Get (const TDF_Label& acces);
51 //! returns True if a current label is managed in <acces>
55 Standard_EXPORT static Standard_Boolean Has (const TDF_Label& acces);
57 Standard_EXPORT TDataStd_Current();
59 Standard_EXPORT void SetLabel (const TDF_Label& current);
61 Standard_EXPORT TDF_Label GetLabel() const;
63 Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
65 Standard_EXPORT void Restore (const Handle(TDF_Attribute)& With) Standard_OVERRIDE;
67 Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
69 Standard_EXPORT void Paste (const Handle(TDF_Attribute)& Into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
71 Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
73 //! Dumps the content of me into the stream
74 Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
79 DEFINE_STANDARD_RTTIEXT(TDataStd_Current,TDF_Attribute)
100 #endif // _TDataStd_Current_HeaderFile