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87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
// Created on: 2002-10-30
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// Created by: Michael SAZONOV
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// Copyright (c) 2002-2014 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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#include <BinMDF_ReferenceDriver.hxx>
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#include <BinObjMgt_Persistent.hxx>
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#include <CDM_MessageDriver.hxx>
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#include <Standard_Type.hxx>
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#include <TDF_Attribute.hxx>
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#include <TDF_Reference.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(BinMDF_ReferenceDriver,BinMDF_ADriver)
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//=======================================================================
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//function : BinMDF_ReferenceDriver
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//purpose : Constructor
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//=======================================================================
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BinMDF_ReferenceDriver::BinMDF_ReferenceDriver
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(const Handle(CDM_MessageDriver)& theMsgDriver)
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: BinMDF_ADriver (theMsgDriver, STANDARD_TYPE(TDF_Reference)->Name())
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{
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}
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//=======================================================================
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//function : NewEmpty
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//purpose :
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//=======================================================================
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Handle(TDF_Attribute) BinMDF_ReferenceDriver::NewEmpty() const
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{
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return new TDF_Reference();
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}
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//=======================================================================
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//function : Paste
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//purpose : persistent -> transient (retrieve)
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//=======================================================================
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Standard_Boolean BinMDF_ReferenceDriver::Paste
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(const BinObjMgt_Persistent& theSource,
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const Handle(TDF_Attribute)& theTarget,
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BinObjMgt_RRelocationTable& ) const
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{
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Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theTarget);
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TDF_Label tLab; // Null label.
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if (!theSource.GetLabel(aRef->Label().Data(), tLab))
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return Standard_False;
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// set referenced label
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aRef->Set(tLab);
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return Standard_True;
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}
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//=======================================================================
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//function : Paste
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//purpose : transient -> persistent (store)
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//=======================================================================
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void BinMDF_ReferenceDriver::Paste (const Handle(TDF_Attribute)& theSource,
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BinObjMgt_Persistent& theTarget,
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BinObjMgt_SRelocationTable& ) const
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{
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Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theSource);
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if (!aRef.IsNull()) {
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const TDF_Label& lab = aRef->Label();
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const TDF_Label& refLab = aRef->Get();
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if (!lab.IsNull() && !refLab.IsNull()) {
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if (lab.IsDescendant(refLab.Root())) { // Internal reference
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theTarget << refLab;
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}
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}
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}
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}
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