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123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
// Created on: 2001-09-12
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// Created by: Julia DOROVSKIKH
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// Copyright (c) 2001-2014 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 <BinMDataStd_RelationDriver.hxx>
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#include <BinObjMgt_Persistent.hxx>
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#include <Message_Messenger.hxx>
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#include <Standard_Type.hxx>
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#include <TDataStd_Relation.hxx>
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#include <TDataStd_Variable.hxx>
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#include <TDF_Attribute.hxx>
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#include <TDF_ListIteratorOfAttributeList.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(BinMDataStd_RelationDriver,BinMDF_ADriver)
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//=======================================================================
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//function : BinMDataStd_RelationDriver
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//purpose : Constructor
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//=======================================================================
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BinMDataStd_RelationDriver::BinMDataStd_RelationDriver
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(const Handle(Message_Messenger)& theMsgDriver)
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: BinMDF_ADriver (theMsgDriver, NULL)
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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) BinMDataStd_RelationDriver::NewEmpty() const
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{
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return (new TDataStd_Relation());
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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 BinMDataStd_RelationDriver::Paste
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(const BinObjMgt_Persistent& theSource,
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const Handle(TDF_Attribute)& theTarget,
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BinObjMgt_RRelocationTable& theRelocTable) const
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{
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Handle(TDataStd_Relation) aC =
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Handle(TDataStd_Relation)::DownCast(theTarget);
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// variables
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Standard_Integer nbvar;
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if (! (theSource >> nbvar) || nbvar < 0)
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return Standard_False;
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TDF_AttributeList& aList = aC->GetVariables();
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for (; nbvar > 0; nbvar--)
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{
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Handle(TDF_Attribute) aV;
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Standard_Integer aNb;
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if (! (theSource >> aNb))
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return Standard_False;
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if (aNb > 0)
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{
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if (theRelocTable.IsBound(aNb))
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aV = Handle(TDataStd_Variable)::DownCast(theRelocTable.Find(aNb));
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else
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{
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aV = new TDataStd_Variable;
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theRelocTable.Bind(aNb, aV);
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}
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}
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aList.Append(aV);
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}
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// expression
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TCollection_ExtendedString aString;
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if (! (theSource >> aString))
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return Standard_False;
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aC->SetRelation(aString);
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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 BinMDataStd_RelationDriver::Paste
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(const Handle(TDF_Attribute)& theSource,
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BinObjMgt_Persistent& theTarget,
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BinObjMgt_SRelocationTable& theRelocTable) const
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{
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Handle(TDataStd_Relation) aC =
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Handle(TDataStd_Relation)::DownCast(theSource);
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// variables
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const TDF_AttributeList& aList = aC->GetVariables();
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Standard_Integer nbvar = aList.Extent();
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theTarget << nbvar;
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TDF_ListIteratorOfAttributeList it;
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for (it.Initialize(aList); it.More(); it.Next())
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{
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const Handle(TDF_Attribute)& TV = it.Value();
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Standard_Integer aNb;
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if (!TV.IsNull())
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aNb = theRelocTable.Add(TV);
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else
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aNb = -1;
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theTarget << aNb;
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}
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// expression
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TCollection_ExtendedString aName = aC->Name();
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theTarget << aName;
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}
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