mirror of
https://git.dev.opencascade.org/repos/occt.git
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35e08fe886
Got rid of warning C4100: 'identifier' : unreferenced formal parameter Got rid of compile errors
410 lines
13 KiB
C++
Executable File
410 lines
13 KiB
C++
Executable File
// Created by: DAUTRY Philippe
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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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 7 1997 Creation
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#include <TDF_Attribute.ixx>
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#include <TCollection_AsciiString.hxx>
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#include <TDF_DefaultDeltaOnModification.hxx>
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#include <TDF_DefaultDeltaOnRemoval.hxx>
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#include <TDF_DeltaOnForget.hxx>
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#include <TDF_DeltaOnResume.hxx>
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#include <TDF_DataSet.hxx>
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#include <TDF_Label.hxx>
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#include <TDF_LabelNode.hxx>
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#include <TDF_Tool.hxx>
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#include <Standard_DomainError.hxx>
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#include <Standard_ImmutableObject.hxx>
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#undef TDF_DATA_COMMIT_OPTIMIZED
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#define BUC60879
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//=======================================================================
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//function : TDF_Attribute
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//purpose : Initializes fields.
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//=======================================================================
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TDF_Attribute::TDF_Attribute() :
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myLabelNode(NULL),
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myTransaction(0),
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mySavedTransaction(0),
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myFlags(1)
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{}
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//=======================================================================
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//function : Label
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//purpose :
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//=======================================================================
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const TDF_Label TDF_Attribute::Label() const
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{ return TDF_Label(myLabelNode); }
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//=======================================================================
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//function : Find
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//purpose :
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//=======================================================================
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Standard_Boolean TDF_Attribute::FindAttribute (const Standard_GUID& anID,
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Handle(TDF_Attribute)& anAttribute) const
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{
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return Label().FindAttribute(anID,anAttribute);
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}
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//=======================================================================
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//function : IsAttribute
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//purpose :
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//=======================================================================
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Standard_Boolean TDF_Attribute::IsAttribute (const Standard_GUID& anID) const
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{
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return Label().IsAttribute(anID);
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}
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//=======================================================================
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//function : AddAttribute
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//purpose :
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//=======================================================================
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void TDF_Attribute::AddAttribute (const Handle(TDF_Attribute)& otherAttribute) const
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{ Label().AddAttribute (otherAttribute); }
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//=======================================================================
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//function : ForgetAttribute
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//purpose :
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//=======================================================================
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Standard_Boolean TDF_Attribute::ForgetAttribute (const Standard_GUID& anID) const
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{ return Label().ForgetAttribute (anID); }
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//=======================================================================
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//function : ForgetAllAttributes
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//purpose :
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//=======================================================================
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void TDF_Attribute::ForgetAllAttributes (const Standard_Boolean clearChildren) const
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{ Label().ForgetAllAttributes (clearChildren); }
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//=======================================================================
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//function : Forget
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//purpose :
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//=======================================================================
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void TDF_Attribute::Forget (const Standard_Integer aTransaction)
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{
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mySavedTransaction = myTransaction;
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myTransaction = aTransaction;
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myFlags = (myFlags | TDF_AttributeForgottenMsk);
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Validate(Standard_False);
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}
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//=======================================================================
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//function : Resume
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//purpose :
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//=======================================================================
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void TDF_Attribute::Resume()
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{
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myTransaction = mySavedTransaction;
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mySavedTransaction = -1; // To say "just resumed"!
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myFlags = (myFlags & ~TDF_AttributeForgottenMsk);
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Validate(Standard_True);
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}
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//=======================================================================
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//function : UntilTransaction
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//purpose :
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//=======================================================================
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Standard_Integer TDF_Attribute::UntilTransaction() const
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{
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if (IsForgotten()) return myTransaction;
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else if (IsBackuped()) return myNext->myTransaction - 1;
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else if (IsValid()) return myLabelNode->Data()->Transaction();
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Standard_DomainError::Raise("The attribute structure is wrong.");
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return 0;
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}
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//=======================================================================
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//function : AfterAddition
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//purpose :
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//=======================================================================
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void TDF_Attribute::AfterAddition()
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{}
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//=======================================================================
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//function : BeforeRemoval
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//purpose :
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//=======================================================================
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void TDF_Attribute::BeforeRemoval()
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{}
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//=======================================================================
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//function : BeforeForget
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//purpose :
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//=======================================================================
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void TDF_Attribute::BeforeForget()
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{}
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//=======================================================================
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//function : AfterResume
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//purpose :
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//=======================================================================
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void TDF_Attribute::AfterResume()
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{}
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//=======================================================================
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//function : BeforeUndo
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//purpose : Before application of a TDF_Delta.
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//=======================================================================
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Standard_Boolean TDF_Attribute::BeforeUndo
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(const Handle(TDF_AttributeDelta)& /*anAttDelta*/,
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const Standard_Boolean /*forceIt*/)
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{ return Standard_True; }
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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 TDF_Attribute::AfterUndo
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(const Handle(TDF_AttributeDelta)& /*anAttDelta*/,
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const Standard_Boolean /*forceIt*/)
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{ return Standard_True; }
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//=======================================================================
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//function : AfterRetrieval
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//purpose :
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//=======================================================================
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Standard_Boolean TDF_Attribute::AfterRetrieval
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(const Standard_Boolean /*forceIt*/)
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{ return Standard_True; }
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#ifdef BUC60879
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//=======================================================================
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//function : BeforeCommitTransaction
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//purpose :
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//=======================================================================
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void TDF_Attribute::BeforeCommitTransaction() {}
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#endif
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//=======================================================================
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//function : Backup
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//purpose : Backups the attribute.
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//=======================================================================
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void TDF_Attribute::Backup()
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{
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// The attribute must be valid and attached to a label.
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if (IsValid() && (myLabelNode != NULL)) {
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Handle(TDF_Data) aData = myLabelNode->Data();
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// check that modification is allowed
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if ( !aData->IsModificationAllowed() ) {
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TCollection_AsciiString aMess;
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aMess = "Attribute \"";
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aMess += DynamicType()->Name();
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aMess += "\" is changed outside transaction";
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Standard_ImmutableObject::Raise(aMess.ToCString());
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}
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const Standard_Integer currentTransaction =
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aData->Transaction();
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if (myTransaction < currentTransaction) {//"!=" is less secure.
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Handle(TDF_Attribute) backup = BackupCopy();
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#ifdef TDF_DATA_COMMIT_OPTIMIZED
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myLabelNode->AttributesModified(Standard_True);
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#endif
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backup->myLabelNode = myLabelNode;
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backup->myNext = this; // Back reference;
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backup->myBackup = myBackup;
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backup->myTransaction = myTransaction;
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backup->Backup(Standard_True);
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myBackup = backup;
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myTransaction = currentTransaction;
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}
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}
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}
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//=======================================================================
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//function : BackupCopy
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//purpose : Standard implementation of BackupCopy.
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//=======================================================================
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Handle(TDF_Attribute) TDF_Attribute::BackupCopy() const
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{
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Handle(TDF_Attribute) copy = NewEmpty(); copy->Restore(this);
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return copy;
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}
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//=======================================================================
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//function : RemoveBackup
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//purpose :
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//=======================================================================
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void TDF_Attribute::RemoveBackup()
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{
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#ifdef DEB
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if (myBackup.IsNull())
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Standard_DomainError::Raise("Impossible to remove a nonexistent backup.");
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#endif
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myBackup->BeforeRemoval();
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myBackup->myLabelNode = NULL; // Absolutly necessary!
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myBackup->myNext.Nullify(); // Absolutly necessary!
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myBackup = myBackup->myBackup;
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if (!myBackup.IsNull()) myBackup->myNext = this; // New back reference.
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}
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//=======================================================================
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//function : References
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//purpose : Adds the referenced attributes or labels.
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//=======================================================================
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void TDF_Attribute::References(const Handle(TDF_DataSet)& /*aDataSet*/) const
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{}
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//=======================================================================
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//function : DeltaOnAddition
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//purpose : Creates such a delta.
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//=======================================================================
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Handle(TDF_DeltaOnAddition) TDF_Attribute::DeltaOnAddition() const
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{ return new TDF_DeltaOnAddition(this); }
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//=======================================================================
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//function : DeltaOnForget
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//purpose : Creates such a delta.
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//=======================================================================
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Handle(TDF_DeltaOnForget) TDF_Attribute::DeltaOnForget() const
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{ return new TDF_DeltaOnForget(this); }
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//=======================================================================
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//function : DeltaOnResume
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//purpose : Creates such a delta.
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//=======================================================================
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Handle(TDF_DeltaOnResume) TDF_Attribute::DeltaOnResume() const
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{ return new TDF_DeltaOnResume(this); }
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//=======================================================================
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//function : DeltaOnModification
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//purpose : Creates such a delta.
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//=======================================================================
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Handle(TDF_DeltaOnModification) TDF_Attribute::DeltaOnModification
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(const Handle(TDF_Attribute)& anOldAttribute) const
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{ return new TDF_DefaultDeltaOnModification(anOldAttribute); }
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//=======================================================================
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//function : DeltaOnModification
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//purpose : Applies such a delta.
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//=======================================================================
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void TDF_Attribute::DeltaOnModification
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(const Handle(TDF_DeltaOnModification)& aDelta)
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{
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Backup();
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Restore(aDelta->Attribute());
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}
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//=======================================================================
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//function : DeltaOnRemoval
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//purpose : Creates such a delta.
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//=======================================================================
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Handle(TDF_DeltaOnRemoval) TDF_Attribute::DeltaOnRemoval() const
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{ return new TDF_DefaultDeltaOnRemoval(this); } // myBackup
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//=======================================================================
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//function : Dump
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//purpose : This method is equivalent to operator <<
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//=======================================================================
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Standard_OStream& TDF_Attribute::Dump(Standard_OStream& anOS) const
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{
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anOS<<"\t"<<DynamicType()->Name()<<"\tTrans. "<<myTransaction<<";";
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if (IsValid()) anOS<<" Valid";
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if (IsBackuped()) anOS<<" Backuped";
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if (IsForgotten()) anOS<<" Forgotten";
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char toto[45];
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Standard_PCharacter pStr;
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//
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pStr=toto;
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ID().ToCString(pStr); anOS<<";\tID = "<<toto<<endl;
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//ID().ShallowDump(anOS);anOS<<endl;
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return anOS;
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}
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//=======================================================================
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//function :ExtendedDump
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//purpose :
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//=======================================================================
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void TDF_Attribute::ExtendedDump
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(Standard_OStream& anOS,
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const TDF_IDFilter& /*aFilter*/,
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TDF_AttributeIndexedMap& /*aMap*/) const
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{ Dump(anOS); }
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