include/opencascade/TDataStd_Current.hxx

0001 // Created on: 1999-08-02
0002 // Created by: Denis PASCAL
0003 // Copyright (c) 1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _TDataStd_Current_HeaderFile
0018 #define _TDataStd_Current_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <TDF_Label.hxx>
0023 #include <TDF_Attribute.hxx>
0024 #include <Standard_Boolean.hxx>
0025 #include <Standard_OStream.hxx>
0026 class Standard_GUID;
0027 class TDF_RelocationTable;
0028
0029
0030 class TDataStd_Current;
0031 DEFINE_STANDARD_HANDLE(TDataStd_Current, TDF_Attribute)
0032
0033 //! this attribute,  located at root label,  manage an
0034 //! access to a current label.
0035 class TDataStd_Current : public TDF_Attribute
0036 {
0037
0038 public:
0039
0040
0041   //! class methods
0042   //! =============
0043   Standard_EXPORT static const Standard_GUID& GetID();
0044
0045   //! Set <L> as current of <L> Framework.
0046   Standard_EXPORT static void Set (const TDF_Label& L);
0047
0048   //! returns current of <acces> Framework. raise if (!Has)
0049   Standard_EXPORT static TDF_Label Get (const TDF_Label& acces);
0050
0051   //! returns True if a  current label is managed in <acces>
0052   //! Framework.
0053   //! class methods
0054   //! =============
0055   Standard_EXPORT static Standard_Boolean Has (const TDF_Label& acces);
0056
0057   Standard_EXPORT TDataStd_Current();
0058
0059   Standard_EXPORT void SetLabel (const TDF_Label& current);
0060
0061   Standard_EXPORT TDF_Label GetLabel() const;
0062
0063   Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
0064
0065   Standard_EXPORT void Restore (const Handle(TDF_Attribute)& With) Standard_OVERRIDE;
0066
0067   Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
0068
0069   Standard_EXPORT void Paste (const Handle(TDF_Attribute)& Into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
0070
0071   Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
0072
0073   //! Dumps the content of me into the stream
0074   Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
0075
0076
0077
0078
0079   DEFINE_STANDARD_RTTIEXT(TDataStd_Current,TDF_Attribute)
0080
0081 protected:
0082
0083
0084
0085
0086 private:
0087
0088
0089   TDF_Label myLabel;
0090
0091
0092 };
0093
0094
0095
0096
0097
0098
0099
0100 #endif // _TDataStd_Current_HeaderFile