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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
322 lines
9.8 KiB
C++
322 lines
9.8 KiB
C++
// Created on: 2007-03-16
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// Created by: Michael SAZONOV
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// Copyright (c) 2007-2014 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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// The original implementation Copyright: (C) RINA S.p.A
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#include <TObj_TIntSparseArray.hxx>
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#include <Standard_GUID.hxx>
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#include <Standard_ImmutableObject.hxx>
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#include <TDF_Data.hxx>
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#include <TDF_AttributeDelta.hxx>
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#include <TDF_DeltaOnModification.hxx>
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IMPLEMENT_STANDARD_HANDLE(TObj_TIntSparseArray,TDF_Attribute)
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IMPLEMENT_STANDARD_RTTIEXT(TObj_TIntSparseArray,TDF_Attribute)
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//=======================================================================
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//function : TObj_TIntSparseArray
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//purpose : Empty constructor
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//=======================================================================
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TObj_TIntSparseArray::TObj_TIntSparseArray ()
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: myVector(100), myOldMap(100), myDoBackup (Standard_True)
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{
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}
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& TObj_TIntSparseArray::GetID()
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{
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static Standard_GUID GInterfaceID ("7016dc0c-b118-4433-8ef3-aecdccc79198");
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return GInterfaceID;
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}
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//=======================================================================
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//function : ID
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//purpose :
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//=======================================================================
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const Standard_GUID& TObj_TIntSparseArray::ID() const
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{
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return GetID();
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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Handle(TObj_TIntSparseArray) TObj_TIntSparseArray::Set
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(const TDF_Label& theLabel)
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{
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Handle(TObj_TIntSparseArray) aTData;
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if (! theLabel.FindAttribute( GetID(), aTData))
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{
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aTData = new TObj_TIntSparseArray;
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theLabel.AddAttribute(aTData);
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}
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return aTData;
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}
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//=======================================================================
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//function : SetValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::SetValue (const Standard_Size theId,
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const Standard_Integer theValue)
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{
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// check that modification is allowed
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if ( !Label().Data()->IsModificationAllowed() )
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Standard_ImmutableObject::Raise
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("Attribute TObj_TIntSparseArray is changed outside transaction");
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if (theId < 1 || theValue < 1)
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Standard_OutOfRange::Raise ("TObj_TIntSparseArray::SetValue");
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Standard_Integer anOld = AbsentValue;
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Standard_Boolean isOld = myVector.HasValue(theId);
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if (isOld)
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{
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Standard_Integer& aData = myVector(theId);
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if (aData == theValue)
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// no actual modification
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return;
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anOld = aData;
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// set new value
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aData = theValue;
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}
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else
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{
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// set the new value
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myVector.SetValue (theId, theValue);
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}
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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backupValue(theId, anOld, theValue);
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}
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}
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//=======================================================================
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//function : UnsetValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::UnsetValue (const Standard_Size theId)
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{
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// check that modification is allowed
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if ( !Label().Data()->IsModificationAllowed() )
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Standard_ImmutableObject::Raise
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("Attribute TObj_TIntSparseArray is changed outside transaction");
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if (theId < 1)
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Standard_OutOfRange::Raise ("TObj_TIntSparseArray::UnsetValue");
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Standard_Integer anOld = AbsentValue;
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Standard_Boolean isOld = myVector.HasValue(theId);
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if (isOld)
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{
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anOld = myVector(theId);
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// unset the value
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myVector.UnsetValue(theId);
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}
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else
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// no actual modification
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return;
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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backupValue(theId, anOld, AbsentValue);
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}
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}
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//=======================================================================
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//function : Clear
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::Clear ()
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{
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// backup old values
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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{
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TObj_TIntSparseArray_VecOfData::Iterator anIt (myVector);
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for (; anIt.More(); anIt.Next())
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{
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Standard_Size anId = anIt.Key();
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Standard_Integer aVal = anIt.Value();
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backupValue(anId, aVal, AbsentValue);
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}
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}
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}
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myVector.Clear();
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}
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//=======================================================================
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//function : backupValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::backupValue (const Standard_Size theId,
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const Standard_Integer theCurrValue,
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const Standard_Integer theNewValue)
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{
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// save the current value if it has not been saved in previous time
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if ( !myOldMap.IsBound( theId ) )
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myOldMap.Bind(theId, theCurrValue);
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else
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{
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// if value in Undo is the same as the new one, the item in Undo map may be cleared
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Standard_Integer aUData = myOldMap.Value(theId);
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if (aUData == theNewValue)
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myOldMap.UnBind(theId);
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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) TObj_TIntSparseArray::NewEmpty () const
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{
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return new TObj_TIntSparseArray;
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}
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//=======================================================================
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//function : BackupCopy
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//purpose : Moves <this> delta into a new other attribute.
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//=======================================================================
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Handle(TDF_Attribute) TObj_TIntSparseArray::BackupCopy() const
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{
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Handle(TObj_TIntSparseArray) aCopy =
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Handle(TObj_TIntSparseArray)::DownCast(NewEmpty());
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// save delta data in a copy
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if (!myOldMap.IsEmpty())
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aCopy->myOldMap.Exchange ( (TObj_TIntSparseArray_MapOfData&)myOldMap );
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return aCopy;
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}
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//=======================================================================
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//function : Restore
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//purpose : Restores contents of this with theDelta
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//=======================================================================
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void TObj_TIntSparseArray::Restore(const Handle(TDF_Attribute)& theDelta)
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{
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Handle(TObj_TIntSparseArray) aDelta =
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Handle(TObj_TIntSparseArray)::DownCast(theDelta);
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if (aDelta.IsNull())
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return;
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// restore the values from aDelta->myOldMap
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if (!aDelta->myOldMap.IsEmpty())
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{
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TObj_TIntSparseArray_MapOfData::Iterator anIt (aDelta->myOldMap);
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for (; anIt.More(); anIt.Next())
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{
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Standard_Size anId = anIt.Key();
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Standard_Integer anOld = anIt.Value();
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if (anOld == AbsentValue)
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UnsetValue (anId);
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else
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SetValue (anId, anOld);
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}
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}
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}
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//=======================================================================
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//function : Paste
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//purpose : copy this
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//=======================================================================
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void TObj_TIntSparseArray::Paste (const Handle(TDF_Attribute)& theInto,
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const Handle(TDF_RelocationTable)&) const
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{
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Handle(TObj_TIntSparseArray) aInto =
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Handle(TObj_TIntSparseArray)::DownCast(theInto);
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if(aInto.IsNull())
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return;
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aInto->myVector.Assign(myVector);
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}
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//=======================================================================
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//function : BeforeCommitTransaction
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//purpose : It is called just before Commit or Abort transaction
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//=======================================================================
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void TObj_TIntSparseArray::BeforeCommitTransaction()
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{
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if (!myOldMap.IsEmpty())
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{
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Backup();
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ClearDelta();
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}
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}
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//=======================================================================
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//function : DeltaOnModification
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//purpose : Applies aDelta to <me>
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//=======================================================================
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void TObj_TIntSparseArray::DeltaOnModification
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(const Handle(TDF_DeltaOnModification)& theDelta)
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{
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// we do not call Backup here, because a backup data is formed inside Restore.
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// Backup is called rather from BeforeCommitTransaction
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Restore(theDelta->Attribute());
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}
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//=======================================================================
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//function : AfterUndo
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//purpose : After application of a TDF_Delta.
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//=======================================================================
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Standard_Boolean TObj_TIntSparseArray::AfterUndo
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(const Handle(TDF_AttributeDelta)&,
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const Standard_Boolean)
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{
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// we must be sure that a delta in <me> is cleared
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ClearDelta();
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return Standard_True;
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}
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