1 // Created by: DAUTRY Philippe
2 // Copyright (c) 1997-1999 Matra Datavision
3 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
19 //Version Date Purpose
20 // 0.0 Feb 14 1997 Creation
23 TDF_AttributeValidMsk = 1,
24 TDF_AttributeBackupMsk = 2,
25 TDF_AttributeForgottenMsk = 4
28 inline Standard_Integer TDF_Attribute::Transaction() const
29 { return myTransaction; }
32 inline void TDF_Attribute::Validate(const Standard_Boolean aStatus)
33 { myFlags = (aStatus) ?
34 (myFlags | TDF_AttributeValidMsk) : (myFlags & ~TDF_AttributeValidMsk); }
36 inline Standard_Boolean TDF_Attribute::IsValid() const
37 { return (myFlags & TDF_AttributeValidMsk) != 0 ; }
40 inline void TDF_Attribute::Backup(const Standard_Boolean aStatus)
43 (myFlags | TDF_AttributeBackupMsk) : (myFlags & ~ TDF_AttributeBackupMsk);
47 inline Standard_Boolean TDF_Attribute::IsBackuped() const
48 { return (myFlags & TDF_AttributeBackupMsk) != 0; }
51 inline Standard_Boolean TDF_Attribute::IsNew() const
52 { return IsValid () && myBackup.IsNull(); }
55 inline Standard_Boolean TDF_Attribute::IsForgotten() const
56 { return (myFlags & TDF_AttributeForgottenMsk) != 0; }
59 inline Standard_OStream& operator << (Standard_OStream& anOS,
60 const Handle(TDF_Attribute)& anAtt)
61 { return anAtt->Dump(anOS); }
63 //=======================================================================
64 inline void TDF_Attribute::SetID(const Standard_GUID& )
67 //=======================================================================
68 inline void TDF_Attribute::SetID()