74 lines
2.0 KiB
Plaintext
74 lines
2.0 KiB
Plaintext
// Created by: DAUTRY Philippe
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// -----------------
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// Version: 0.0
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// Version Date Purpose
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// 0.0 Feb 14 1997 Creation
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enum
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{
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TDF_AttributeValidMsk = 1,
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TDF_AttributeBackupMsk = 2,
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TDF_AttributeForgottenMsk = 4
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};
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inline Standard_Integer TDF_Attribute::Transaction() const
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{
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return myTransaction;
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}
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// Validation
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inline void TDF_Attribute::Validate(const Standard_Boolean aStatus)
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{
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myFlags = (aStatus) ? (myFlags | TDF_AttributeValidMsk) : (myFlags & ~TDF_AttributeValidMsk);
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}
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inline Standard_Boolean TDF_Attribute::IsValid() const
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{
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return (myFlags & TDF_AttributeValidMsk) != 0;
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}
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// Backup
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inline void TDF_Attribute::Backup(const Standard_Boolean aStatus)
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{
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myFlags = (aStatus) ? (myFlags | TDF_AttributeBackupMsk) : (myFlags & ~TDF_AttributeBackupMsk);
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Validate(!aStatus);
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}
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inline Standard_Boolean TDF_Attribute::IsBackuped() const
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{
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return (myFlags & TDF_AttributeBackupMsk) != 0;
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}
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// IsNew
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inline Standard_Boolean TDF_Attribute::IsNew() const
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{
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return IsValid() && myBackup.IsNull();
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}
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// IsForgotten
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inline Standard_Boolean TDF_Attribute::IsForgotten() const
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{
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return (myFlags & TDF_AttributeForgottenMsk) != 0;
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}
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// operator <<
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inline Standard_OStream& operator<<(Standard_OStream& anOS, const Handle(TDF_Attribute)& anAtt)
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{
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return anAtt->Dump(anOS);
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}
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