1 // Created on: 2002-10-30
2 // Created by: Michael SAZONOV
3 // Copyright (c) 2002-2014 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.
17 #include <BinMDF_ReferenceDriver.hxx>
18 #include <BinObjMgt_Persistent.hxx>
19 #include <Message_Messenger.hxx>
20 #include <Standard_Type.hxx>
21 #include <TDF_Attribute.hxx>
22 #include <TDF_Reference.hxx>
24 IMPLEMENT_STANDARD_RTTIEXT(BinMDF_ReferenceDriver,BinMDF_ADriver)
26 //=======================================================================
27 //function : BinMDF_ReferenceDriver
28 //purpose : Constructor
29 //=======================================================================
30 BinMDF_ReferenceDriver::BinMDF_ReferenceDriver
31 (const Handle(Message_Messenger)& theMsgDriver)
32 : BinMDF_ADriver (theMsgDriver, STANDARD_TYPE(TDF_Reference)->Name())
36 //=======================================================================
39 //=======================================================================
41 Handle(TDF_Attribute) BinMDF_ReferenceDriver::NewEmpty() const
43 return new TDF_Reference();
46 //=======================================================================
48 //purpose : persistent -> transient (retrieve)
49 //=======================================================================
51 Standard_Boolean BinMDF_ReferenceDriver::Paste
52 (const BinObjMgt_Persistent& theSource,
53 const Handle(TDF_Attribute)& theTarget,
54 BinObjMgt_RRelocationTable& ) const
56 Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theTarget);
58 TDF_Label tLab; // Null label.
59 if (!theSource.GetLabel(aRef->Label().Data(), tLab))
60 return Standard_False;
62 // set referenced label
67 //=======================================================================
69 //purpose : transient -> persistent (store)
70 //=======================================================================
72 void BinMDF_ReferenceDriver::Paste (const Handle(TDF_Attribute)& theSource,
73 BinObjMgt_Persistent& theTarget,
74 BinObjMgt_SRelocationTable& ) const
76 Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theSource);
78 const TDF_Label& lab = aRef->Label();
79 const TDF_Label& refLab = aRef->Get();
80 if (!lab.IsNull() && !refLab.IsNull()) {
81 if (lab.IsDescendant(refLab.Root())) { // Internal reference