1 // Copyright (c) 2020 OPEN CASCADE SAS
2 //
3 // This file is part of Open CASCADE Technology software library.
4 //
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
10 //
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
13 
14 #ifndef _TDataStd_GenericExtString_HeaderFile
15 #define _TDataStd_GenericExtString_HeaderFile
16 
17 #include <TDF_DerivedAttribute.hxx>
18 #include <TCollection_ExtendedString.hxx>
19 #include <Standard_GUID.hxx>
20 
21 class Standard_GUID;
22 class TDF_Label;
23 class TDF_RelocationTable;
24 
25 class TDataStd_GenericExtString;
26 DEFINE_STANDARD_HANDLE(TDataStd_GenericExtString, TDF_Attribute)
27 
28 //! An ancestor attribute for all attributes which have TCollection_ExtendedString field.
29 //! If an attribute inherits this one it should not have drivers for persistence.
30 //! Also this attribute provides functionality to have on the same label same attributes with different IDs.
31 class TDataStd_GenericExtString : public TDF_Attribute
32 {
33 
34 public:
35 
36   //! Sets <S> as name. Raises if <S> is not a valid name.
37   Standard_EXPORT virtual void Set (const TCollection_ExtendedString& S);
38 
39   //! Sets the explicit user defined GUID  to the attribute.
40   Standard_EXPORT void SetID (const Standard_GUID& guid) Standard_OVERRIDE;
41 
42   //! Returns the name contained in this name attribute.
43   Standard_EXPORT virtual const TCollection_ExtendedString& Get() const;
44 
45   //! Returns the ID of the attribute.
46   Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
47 
48   Standard_EXPORT void Restore (const Handle(TDF_Attribute)& with) Standard_OVERRIDE;
49 
50   Standard_EXPORT void Paste (const Handle(TDF_Attribute)& into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
51 
52   //! Dumps the content of me into the stream
53   Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
54 
55   DEFINE_STANDARD_RTTIEXT(TDataStd_GenericExtString,TDF_Attribute)
56 
57 protected:
58   //! A string field of the attribute, participated in persistence.
59   TCollection_ExtendedString myString;
60   //! A private GUID of the attribute.
61   Standard_GUID myID;
62 
63 };
64 
65 #endif // _TDataStd_GenericExtString_HeaderFile
66