1 // Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <Standard_Stream.hxx>
25 #include <GEOM_Function.hxx>
26 #include <GEOM_Object.hxx>
27 #include <GEOM_Solver.hxx>
28 #include <GEOM_ISubShape.hxx>
30 #include <Basics_OCCTVersion.hxx>
32 #include "utilities.h"
35 #include <TDF_Tool.hxx>
36 #include <TDF_Data.hxx>
37 #include <TDF_ChildIterator.hxx>
38 #include <TDF_Reference.hxx>
39 #include <TDataStd_Integer.hxx>
40 #include <TDataStd_IntegerArray.hxx>
41 #include <TDataStd_Real.hxx>
42 #include <TDataStd_RealArray.hxx>
43 #include <TDataStd_Comment.hxx>
44 #include <TDataStd_TreeNode.hxx>
45 #include <TDataStd_UAttribute.hxx>
46 #include <TDataStd_ChildNodeIterator.hxx>
47 #include <TDataStd_ExtStringArray.hxx>
48 #include <TDataStd_ExtStringList.hxx>
49 #include <TDocStd_Owner.hxx>
50 #include <TDocStd_Document.hxx>
51 #include <TFunction_Function.hxx>
52 #include <TNaming_NamedShape.hxx>
53 #include <TNaming_Builder.hxx>
55 #include <TColStd_ListOfInteger.hxx>
56 #include <TColStd_ListIteratorOfListOfInteger.hxx>
57 #include <TColStd_HArray1OfReal.hxx>
58 #include <TColStd_HArray1OfInteger.hxx>
59 #include <TColStd_HSequenceOfTransient.hxx>
60 #include <TCollection_AsciiString.hxx>
61 #include <TCollection_ExtendedString.hxx>
63 #include <Standard_Failure.hxx>
64 #include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
66 // This modification was introduced in frame of Mantis issue 0021251.
67 // This line allows to keep shape orientation together with the shape itself.
68 // Otherwise orientation can be lost in some cases.
69 #define KEEP_ORIENTATION_0021251
71 #define ARGUMENT_LABEL 1
72 #define RESULT_LABEL 2
73 #define DESCRIPTION_LABEL 3
74 #define HISTORY_LABEL 4
75 #define SUBSHAPES_LABEL 5 // 0020756: GetGroups
76 #define NAMING_LABEL 6 // 0020750: Naming during STEP import
78 #ifdef KEEP_ORIENTATION_0021251
79 #define ORIENTATION_LABEL 7 // 0021251: TNaming_NamedShape doesn't store orientation
82 #define ARGUMENTS _label.FindChild((ARGUMENT_LABEL))
83 #define ARGUMENT(thePosition) _label.FindChild((ARGUMENT_LABEL)).FindChild((thePosition))
84 #define SUB_ARGUMENT(thePos1, thePos2) _label.FindChild((ARGUMENT_LABEL)).FindChild((thePos1)).FindChild((thePos2))
86 //=======================================================================
87 //function : GetFunctionTreeID
89 //=======================================================================
90 const Standard_GUID& GEOM_Function::GetFunctionTreeID()
92 static Standard_GUID aFunctionTreeID("FF1BBB00-5D14-4df2-980B-3A668264EA16");
93 return aFunctionTreeID;
97 //=======================================================================
98 //function : GetDependencyID
100 //=======================================================================
101 const Standard_GUID& GEOM_Function::GetDependencyID()
103 static Standard_GUID aDependencyID("E2620650-2354-41bd-8C2C-210CFCD00948");
104 return aDependencyID;
107 //=============================================================================
111 //=============================================================================
112 Handle(GEOM_Function) GEOM_Function::GetFunction(const TDF_Label& theEntry)
114 if(!theEntry.IsAttribute(TFunction_Function::GetID())) return NULL;
116 return new GEOM_Function(theEntry);
119 //=============================================================================
123 //=============================================================================
124 GEOM_Function::GEOM_Function(const TDF_Label& theEntry, const Standard_GUID& theGUID, int theType)
127 TFunction_Function::Set(theEntry, theGUID);
128 TDataStd_Integer::Set(theEntry, theType);
130 //Add function to a function tree
131 Handle(TDocStd_Document) aDoc = TDocStd_Owner::GetDocument(theEntry.Data());
132 Handle(TDataStd_TreeNode) aRoot, aNode;
133 if(!aDoc->Main().FindAttribute(GetFunctionTreeID(), aRoot))
134 aRoot = TDataStd_TreeNode::Set(aDoc->Main(), GetFunctionTreeID());
136 aNode = TDataStd_TreeNode::Set(theEntry, GetFunctionTreeID());
137 aRoot->Append(aNode);
140 //================================================================================
142 * \brief Retuns true if this function is the last one in the study
144 //================================================================================
146 bool GEOM_Function::IsLastFuntion()
150 Handle(TDataStd_TreeNode) aNode;
151 if (_label.FindAttribute(GetFunctionTreeID(), aNode))
152 isLast = !aNode->HasNext();
157 //=============================================================================
161 //=============================================================================
162 TDF_Label GEOM_Function::GetOwnerEntry()
164 TDF_Label aFather = _label.Father();
165 while(!aFather.IsRoot()) {
166 if(aFather.IsAttribute(GEOM_Object::GetObjectID())) return aFather;
167 aFather = aFather.Father();
173 //=============================================================================
177 //=============================================================================
178 int GEOM_Function::GetType()
181 Handle(TDataStd_Integer) aType;
182 if(!_label.FindAttribute(TDataStd_Integer::GetID(), aType)) return 0;
187 //=============================================================================
191 //=============================================================================
192 TopoDS_Shape GEOM_Function::GetValue()
197 TDF_Label aLabel = GetOwnerEntry();
198 if (aLabel.IsRoot()) return aShape;
199 Handle(GEOM_Object) anObject = GEOM_Object::GetObject(aLabel);
200 if (anObject.IsNull()) return aShape;
202 if (!anObject->IsMainShape()) {
203 bool isResult = false;
204 TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
205 if (!aResultLabel.IsNull()) {
206 Handle(TNaming_NamedShape) aNS;
207 if (aResultLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS))
214 Standard_Integer aTic = anObject->GetTic();
217 GEOM_ISubShape aCI (this);
218 TDF_Label aLabelObjMainSh = aCI.GetMainShape()->GetOwnerEntry();
219 if (aLabelObjMainSh.IsRoot()) return aShape;
220 Handle(GEOM_Object) anObjMainSh = GEOM_Object::GetObject(aLabelObjMainSh);
221 if (anObjMainSh.IsNull()) return aShape;
222 Standard_Integer aTicMainSh = anObjMainSh->GetTic();
225 isResult = ((aTic == aTicMainSh) ? true : false);
230 #if OCC_VERSION_LARGE > 0x06010000
233 GEOM_Solver aSolver(GEOM_Engine::GetEngine());
234 if (!aSolver.ComputeFunction(this)) {
235 MESSAGE("GEOM_Object::GetValue Error : Can't build a sub-shape");
239 catch (Standard_Failure) {
240 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
241 MESSAGE("GEOM_Function::GetValue Error: " << aFail->GetMessageString());
247 TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
248 Handle(TNaming_NamedShape) aNS;
249 if (!aResultLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) return aShape;
253 #ifdef KEEP_ORIENTATION_0021251
254 // 0021251: TNaming_NamedShape doesn't store orientation
255 TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
256 Handle(TDataStd_Integer) anInteger;
257 if (anOrientationLabel.FindAttribute(TDataStd_Integer::GetID(), anInteger)) {
258 aShape.Orientation((TopAbs_Orientation)anInteger->Get());
266 //=============================================================================
270 //=============================================================================
271 void GEOM_Function::SetValue(TopoDS_Shape& theShape)
274 TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
275 TNaming_Builder aBuilder (aResultLabel);
277 aBuilder.Generated(theShape);
279 #ifdef KEEP_ORIENTATION_0021251
280 // 0021251: TNaming_NamedShape doesn't store orientation
281 TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
282 TDataStd_Integer::Set(anOrientationLabel, (int)theShape.Orientation());
285 // synchronisation between main shape and its sub-shapes
286 TDF_Label aLabel = GetOwnerEntry();
287 if (aLabel.IsRoot()) return;
288 Handle(GEOM_Object) anObject = GEOM_Object::GetObject(aLabel);
289 if (anObject.IsNull()) return;
290 if (anObject->IsMainShape()) {
291 // increase modifications counter of this (main) shape
292 anObject->IncrementTic();
295 // update modifications counter of this (sub-) shape to be the same as on main shape
296 GEOM_ISubShape aCI (this);
297 TDF_Label aLabelObjMainSh = aCI.GetMainShape()->GetOwnerEntry();
298 if (aLabelObjMainSh.IsRoot()) return;
299 Handle(GEOM_Object) anObjMainSh = GEOM_Object::GetObject(aLabelObjMainSh);
300 if (anObjMainSh.IsNull()) return;
302 anObject->SetTic(anObjMainSh->GetTic());
308 //=============================================================================
312 //=============================================================================
313 Standard_GUID GEOM_Function::GetDriverGUID()
315 Handle(TFunction_Function) aFunction;
316 if(!_label.FindAttribute(TFunction_Function::GetID(), aFunction)) {
317 return TDF::LowestID();
320 return aFunction->GetDriverGUID();
323 //=============================================================================
327 //=============================================================================
328 TCollection_AsciiString GEOM_Function::GetDescription()
330 Handle(TDataStd_Comment) aComment;
331 TDF_Label aChild = _label.FindChild(DESCRIPTION_LABEL);
332 if(!aChild.FindAttribute(TDataStd_Comment::GetID(), aComment)) return TCollection_AsciiString();
333 TCollection_AsciiString aDescr(aComment->Get());
337 //=============================================================================
341 //=============================================================================
342 void GEOM_Function::SetDescription(const TCollection_AsciiString& theDescription)
344 TDF_Label aChild = _label.FindChild(DESCRIPTION_LABEL);
345 Handle(TDataStd_Comment) aComment =
346 TDataStd_Comment::Set(aChild, TCollection_ExtendedString(theDescription));
349 //=============================================================================
353 //=============================================================================
354 void GEOM_Function::SetReal(int thePosition, double theValue)
357 if(thePosition <= 0) return;
358 TDF_Label anArgLabel = ARGUMENT(thePosition);
359 TDataStd_Real::Set(anArgLabel, theValue);
363 //=============================================================================
367 //=============================================================================
368 void GEOM_Function::SetRealArray (int thePosition,
369 const Handle(TColStd_HArray1OfReal)& theArray)
372 if(thePosition <= 0) return;
373 TDF_Label anArgLabel = ARGUMENT(thePosition);
374 Handle(TDataStd_RealArray) anAttr =
375 TDataStd_RealArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
376 anAttr->ChangeArray(theArray);
380 //=============================================================================
384 //=============================================================================
385 double GEOM_Function::GetReal(int thePosition)
388 if(thePosition <= 0) return 0.0;
389 Handle(TDataStd_Real) aReal;
390 TDF_Label anArgLabel = ARGUMENT(thePosition);
391 if(!anArgLabel.FindAttribute(TDataStd_Real::GetID(), aReal)) return 0.0;
397 //=============================================================================
401 //=============================================================================
402 Handle(TColStd_HArray1OfReal) GEOM_Function::GetRealArray(int thePosition)
405 if(thePosition <= 0) return NULL;
406 Handle(TDataStd_RealArray) aRealArray;
407 TDF_Label anArgLabel = ARGUMENT(thePosition);
408 if(!anArgLabel.FindAttribute(TDataStd_RealArray::GetID(), aRealArray)) return NULL;
411 return aRealArray->Array();
414 //=============================================================================
418 //=============================================================================
419 void GEOM_Function::SetInteger(int thePosition, int theValue)
422 if(thePosition <= 0) return;
423 TDF_Label anArgLabel = ARGUMENT(thePosition);
424 TDataStd_Integer::Set(anArgLabel, theValue);
428 //=============================================================================
432 //=============================================================================
433 void GEOM_Function::SetIntegerArray (int thePosition,
434 const Handle(TColStd_HArray1OfInteger)& theArray)
437 if(thePosition <= 0) return;
438 TDF_Label anArgLabel = ARGUMENT(thePosition);
439 Handle(TDataStd_IntegerArray) anAttr =
440 TDataStd_IntegerArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
441 anAttr->ChangeArray(theArray);
445 //=============================================================================
449 //=============================================================================
450 int GEOM_Function::GetInteger(int thePosition)
453 if(thePosition <= 0) return 0;
454 Handle(TDataStd_Integer) anInteger;
455 TDF_Label anArgLabel = ARGUMENT(thePosition);
456 if(!anArgLabel.FindAttribute(TDataStd_Integer::GetID(), anInteger)) return 0;
459 return anInteger->Get();
462 //=============================================================================
466 //=============================================================================
467 Handle(TColStd_HArray1OfInteger) GEOM_Function::GetIntegerArray(int thePosition)
470 if(thePosition <= 0) return 0;
471 Handle(TDataStd_IntegerArray) anIntegerArray;
472 TDF_Label anArgLabel = ARGUMENT(thePosition);
473 if(!anArgLabel.FindAttribute(TDataStd_IntegerArray::GetID(), anIntegerArray)) return 0;
476 return anIntegerArray->Array();
479 //=============================================================================
483 //=============================================================================
484 void GEOM_Function::SetString(int thePosition, const TCollection_AsciiString& theValue)
487 if(thePosition <= 0) return;
488 TDF_Label anArgLabel = ARGUMENT(thePosition);
489 TDataStd_Comment::Set(anArgLabel, theValue);
493 //=============================================================================
497 //=============================================================================
498 TCollection_AsciiString GEOM_Function::GetString(int thePosition)
501 TCollection_AsciiString aRes;
502 if(thePosition <= 0) return aRes;
503 Handle(TDataStd_Comment) aString;
504 TDF_Label anArgLabel = ARGUMENT(thePosition);
505 if(!anArgLabel.FindAttribute(TDataStd_Comment::GetID(), aString)) return aRes;
508 aRes = TCollection_AsciiString(aString->Get());
512 //=============================================================================
516 //=============================================================================
517 void GEOM_Function::SetReference(int thePosition, Handle(GEOM_Function) theReference)
520 if (thePosition <= 0) return;
521 if (theReference.IsNull()) return;
522 TDF_Label anArgLabel = ARGUMENT(thePosition);
523 TDF_Reference::Set(anArgLabel, theReference->GetEntry());
524 TDataStd_UAttribute::Set(anArgLabel, GetDependencyID());
529 //=============================================================================
533 //=============================================================================
534 Handle(GEOM_Function) GEOM_Function::GetReference(int thePosition)
537 if(thePosition <= 0) return NULL;
538 TDF_Label anArgLabel = ARGUMENT(thePosition);
539 Handle(TDF_Reference) aRef;
540 if(!anArgLabel.FindAttribute(TDF_Reference::GetID(), aRef)) return NULL;
543 return GetFunction(aRef->Get());
547 //=============================================================================
551 //=============================================================================
552 void GEOM_Function::SetStringArray(int thePosition, const Handle(TColStd_HArray1OfExtendedString)& theArray)
555 if(thePosition <= 0 || theArray.IsNull()) return;
556 TDF_Label anArgLabel = ARGUMENT(thePosition);
558 Handle(TDataStd_ExtStringArray) anArray =
559 TDataStd_ExtStringArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
560 anArray->ChangeArray(theArray);
566 //=============================================================================
570 //=============================================================================
571 Handle(TColStd_HArray1OfExtendedString) GEOM_Function::GetStringArray(int thePosition)
574 if(thePosition <= 0) return NULL;
575 TDF_Label anArgLabel = ARGUMENT(thePosition);
576 Handle(TDataStd_ExtStringArray) anArray;
577 if(!anArgLabel.FindAttribute(TDataStd_ExtStringArray::GetID(), anArray)) return NULL;
580 return anArray->Array();
583 //=======================================================================
585 //purpose : Returns true if data of given type already exists
586 //=======================================================================
588 bool GEOM_Function::HasData(int thePosition, const Standard_GUID& dataID)
590 if(thePosition <= 0) return false;
591 TDF_Label anArgLabel = ARGUMENT(thePosition);
592 return anArgLabel.IsAttribute( dataID );
595 //=======================================================================
596 //function : GetReferencesTreeID
598 //=======================================================================
599 const Standard_GUID& GEOM_Function::GetReferencesTreeID()
601 static Standard_GUID aReferencesTreeID("FF1BBB10-5D14-4df2-980B-3A668264EA16");
602 return aReferencesTreeID;
605 //=============================================================================
609 //=============================================================================
610 void GEOM_Function::SetReferenceList (int thePosition,
611 const Handle(TColStd_HSequenceOfTransient)& theRefList)
614 if(thePosition <= 0) return;
616 // parent label for the list of references
617 TDF_Label anArgLabel = ARGUMENT(thePosition);
618 anArgLabel.ForgetAllAttributes();
620 // set TreeNode on the parent label
621 Handle(TDataStd_TreeNode) aRoot, aNode;
622 aRoot = TDataStd_TreeNode::Set(anArgLabel, GetReferencesTreeID());
624 // store references on sub-labels of the parent label
625 Handle(GEOM_Function) aFunc;
626 Standard_Integer ind, len = theRefList->Length();
627 for (ind = 1; ind <= len; ind++) {
628 aFunc = Handle(GEOM_Function)::DownCast(theRefList->Value(ind));
629 if (aFunc.IsNull()) continue;
630 TDF_Label anArgLabel_i = SUB_ARGUMENT(thePosition, ind);
631 TDF_Reference::Set(anArgLabel_i, aFunc->GetEntry());
632 TDataStd_UAttribute::Set(anArgLabel_i, GetDependencyID());
634 // set TreeNode on the child label
635 aNode = TDataStd_TreeNode::Set(anArgLabel_i, GetReferencesTreeID());
636 aRoot->Append(aNode);
643 //=============================================================================
647 //=============================================================================
648 Handle(TColStd_HSequenceOfTransient) GEOM_Function::GetReferenceList(int thePosition)
650 Handle(TColStd_HSequenceOfTransient) aResult = new TColStd_HSequenceOfTransient;
652 if(thePosition <= 0) return aResult;
654 // parent label for the list of references
655 TDF_Label anArgLabel = ARGUMENT(thePosition);
656 Handle(TDF_Reference) aRef;
658 // get TreeNode on the parent label
659 Handle(TDataStd_TreeNode) aRoot, aNode;
660 if(!anArgLabel.FindAttribute(GetReferencesTreeID(), aRoot))
663 // get references, stored on sub-labels of the parent label
665 TDataStd_ChildNodeIterator anIter (aRoot);
666 for (; anIter.More(); anIter.Next()) {
667 aNode = anIter.Value();
668 aLabel_i = aNode->Label();
669 if (!aLabel_i.FindAttribute(TDF_Reference::GetID(), aRef)) continue;
670 Handle(GEOM_Function) aFunc_i = GetFunction(aRef->Get());
671 if (aFunc_i.IsNull()) continue;
672 aResult->Append(aFunc_i);
679 //=============================================================================
683 //=============================================================================
684 //void GEOM_Function::SetShape(int thePosition, const TopoDS_Shape& theShape)
687 // if(thePosition <= 0 || theShape.IsNull()) return;
689 // TDF_Label anArgLabel = ARGUMENT(thePosition);
690 // TNaming_Builder aBuilder(anArgLabel);
691 // aBuilder.Generated(theShape);
697 //=============================================================================
701 //=============================================================================
702 //TopoDS_Shape GEOM_Function::GetShape(int thePosition)
705 // TopoDS_Shape aShape;
706 // if(thePosition <= 0) return aShape;
708 // TDF_Label anArgLabel = ARGUMENT(thePosition);
709 // Handle(TNaming_NamedShape) aNS;
710 // if(!anArgLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) return aShape;
712 // aShape = aNS->Get();
718 //=============================================================================
722 //=============================================================================
723 void GEOM_Function::GetDependency(TDF_LabelSequence& theSeq)
725 TDF_ChildIterator anIterator(ARGUMENTS, Standard_True);
726 for(; anIterator.More(); anIterator.Next()) {
727 if(anIterator.Value().IsAttribute(GetDependencyID())) theSeq.Append(anIterator.Value());
731 //=============================================================================
733 * AddSubShapeReference
735 //=============================================================================
736 void GEOM_Function::AddSubShapeReference(Handle(GEOM_Function) theSubShape)
740 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
742 Handle(TDataStd_ExtStringList) aList;
743 if (!aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
744 aList = new TDataStd_ExtStringList;
745 aSubShapesLabel.AddAttribute(aList);
748 TCollection_AsciiString anEntry;
749 TDF_Tool::Entry(theSubShape->GetOwnerEntry(), anEntry);
750 aList->Append(anEntry);
755 //=============================================================================
757 * RemoveSubShapeReference
759 //=============================================================================
760 void GEOM_Function::RemoveSubShapeReference(Handle(GEOM_Function) theSubShape)
764 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
766 Handle(TDataStd_ExtStringList) aList;
767 if (aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
768 TCollection_AsciiString anEntry;
769 TDF_Tool::Entry(theSubShape->GetOwnerEntry(), anEntry);
770 aList->Remove(anEntry);
776 //=============================================================================
778 * HasSubShapeReferences
780 //=============================================================================
781 bool GEOM_Function::HasSubShapeReferences()
785 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
786 return aSubShapesLabel.IsAttribute(TDataStd_ExtStringList::GetID());
789 //=============================================================================
791 * GetSubShapeReferences
793 //=============================================================================
794 const TDataStd_ListOfExtendedString& GEOM_Function::GetSubShapeReferences()
798 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
800 Handle(TDataStd_ExtStringList) aList;
801 if (!aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
802 aList = new TDataStd_ExtStringList;
803 aSubShapesLabel.AddAttribute(aList);
807 return aList->List();
810 //=============================================================================
814 //=============================================================================
815 TDF_Label GEOM_Function::GetHistoryEntry (const Standard_Boolean create)
817 return _label.FindChild(HISTORY_LABEL, create);
820 //=============================================================================
822 * GetArgumentHistoryEntry
824 //=============================================================================
825 TDF_Label GEOM_Function::GetArgumentHistoryEntry (const TDF_Label& theArgumentRefEntry,
826 const Standard_Boolean create)
828 TColStd_ListOfInteger anArgumentRefTags;
829 TDF_Tool::TagList(theArgumentRefEntry, anArgumentRefTags);
830 Standard_Integer anArgumentRefLabelPos = anArgumentRefTags.Extent();
832 TDF_Label aHistoryLabel = GetHistoryEntry(create);
833 if (aHistoryLabel.IsNull())
834 return aHistoryLabel;
835 Standard_Integer aHistoryLabelPos = aHistoryLabel.Depth() + 1;
837 Standard_Integer itag;
838 TDF_Label aHistoryCurLabel = aHistoryLabel;
839 TColStd_ListIteratorOfListOfInteger aListIter (anArgumentRefTags);
840 for (itag = 1; itag <= aHistoryLabelPos; itag++) {
843 for (; itag <= anArgumentRefLabelPos; itag++) {
844 aHistoryCurLabel = aHistoryCurLabel.FindChild(aListIter.Value(), create);
845 if (aHistoryCurLabel.IsNull())
846 return aHistoryCurLabel;
850 return aHistoryCurLabel;
853 //=============================================================================
857 //=============================================================================
858 TDF_Label GEOM_Function::GetNamingEntry (const Standard_Boolean create)
860 return _label.FindChild(NAMING_LABEL, create);
863 IMPLEMENT_STANDARD_HANDLE (GEOM_Function, Standard_Transient);
864 IMPLEMENT_STANDARD_RTTIEXT(GEOM_Function, Standard_Transient );