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);
231 GEOM_Solver aSolver(GEOM_Engine::GetEngine());
232 if (!aSolver.ComputeFunction(this)) {
233 MESSAGE("GEOM_Object::GetValue Error : Can't build a sub-shape");
237 catch (Standard_Failure) {
238 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
239 MESSAGE("GEOM_Function::GetValue Error: " << aFail->GetMessageString());
245 TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
246 Handle(TNaming_NamedShape) aNS;
247 if (!aResultLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) return aShape;
251 #ifdef KEEP_ORIENTATION_0021251
252 // 0021251: TNaming_NamedShape doesn't store orientation
253 TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
254 Handle(TDataStd_Integer) anInteger;
255 if (anOrientationLabel.FindAttribute(TDataStd_Integer::GetID(), anInteger)) {
256 aShape.Orientation((TopAbs_Orientation)anInteger->Get());
264 //=============================================================================
268 //=============================================================================
269 void GEOM_Function::SetValue(TopoDS_Shape& theShape)
272 TDF_Label aResultLabel = _label.FindChild(RESULT_LABEL);
273 TNaming_Builder aBuilder (aResultLabel);
275 aBuilder.Generated(theShape);
277 #ifdef KEEP_ORIENTATION_0021251
278 // 0021251: TNaming_NamedShape doesn't store orientation
279 TDF_Label anOrientationLabel = _label.FindChild(ORIENTATION_LABEL);
280 TDataStd_Integer::Set(anOrientationLabel, (int)theShape.Orientation());
283 // synchronisation between main shape and its sub-shapes
284 TDF_Label aLabel = GetOwnerEntry();
285 if (aLabel.IsRoot()) return;
286 Handle(GEOM_Object) anObject = GEOM_Object::GetObject(aLabel);
287 if (anObject.IsNull()) return;
288 if (anObject->IsMainShape()) {
289 // increase modifications counter of this (main) shape
290 anObject->IncrementTic();
293 // update modifications counter of this (sub-) shape to be the same as on main shape
294 GEOM_ISubShape aCI (this);
295 TDF_Label aLabelObjMainSh = aCI.GetMainShape()->GetOwnerEntry();
296 if (aLabelObjMainSh.IsRoot()) return;
297 Handle(GEOM_Object) anObjMainSh = GEOM_Object::GetObject(aLabelObjMainSh);
298 if (anObjMainSh.IsNull()) return;
300 anObject->SetTic(anObjMainSh->GetTic());
306 //=============================================================================
310 //=============================================================================
311 Standard_GUID GEOM_Function::GetDriverGUID()
313 Handle(TFunction_Function) aFunction;
314 if(!_label.FindAttribute(TFunction_Function::GetID(), aFunction)) {
315 return TDF::LowestID();
318 return aFunction->GetDriverGUID();
321 //=============================================================================
325 //=============================================================================
326 TCollection_AsciiString GEOM_Function::GetDescription()
328 Handle(TDataStd_Comment) aComment;
329 TDF_Label aChild = _label.FindChild(DESCRIPTION_LABEL);
330 if(!aChild.FindAttribute(TDataStd_Comment::GetID(), aComment)) return TCollection_AsciiString();
331 TCollection_AsciiString aDescr(aComment->Get());
335 //=============================================================================
339 //=============================================================================
340 void GEOM_Function::SetDescription(const TCollection_AsciiString& theDescription)
342 TDF_Label aChild = _label.FindChild(DESCRIPTION_LABEL);
343 Handle(TDataStd_Comment) aComment =
344 TDataStd_Comment::Set(aChild, TCollection_ExtendedString(theDescription));
347 //=============================================================================
351 //=============================================================================
352 void GEOM_Function::SetReal(int thePosition, double theValue)
355 if(thePosition <= 0) return;
356 TDF_Label anArgLabel = ARGUMENT(thePosition);
357 TDataStd_Real::Set(anArgLabel, theValue);
361 //=============================================================================
365 //=============================================================================
366 void GEOM_Function::SetRealArray (int thePosition,
367 const Handle(TColStd_HArray1OfReal)& theArray)
370 if(thePosition <= 0) return;
371 TDF_Label anArgLabel = ARGUMENT(thePosition);
372 Handle(TDataStd_RealArray) anAttr =
373 TDataStd_RealArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
374 anAttr->ChangeArray(theArray);
378 //=============================================================================
382 //=============================================================================
383 double GEOM_Function::GetReal(int thePosition)
386 if(thePosition <= 0) return 0.0;
387 Handle(TDataStd_Real) aReal;
388 TDF_Label anArgLabel = ARGUMENT(thePosition);
389 if(!anArgLabel.FindAttribute(TDataStd_Real::GetID(), aReal)) return 0.0;
395 //=============================================================================
399 //=============================================================================
400 Handle(TColStd_HArray1OfReal) GEOM_Function::GetRealArray(int thePosition)
403 if(thePosition <= 0) return NULL;
404 Handle(TDataStd_RealArray) aRealArray;
405 TDF_Label anArgLabel = ARGUMENT(thePosition);
406 if(!anArgLabel.FindAttribute(TDataStd_RealArray::GetID(), aRealArray)) return NULL;
409 return aRealArray->Array();
412 //=============================================================================
416 //=============================================================================
417 void GEOM_Function::SetInteger(int thePosition, int theValue)
420 if(thePosition <= 0) return;
421 TDF_Label anArgLabel = ARGUMENT(thePosition);
422 TDataStd_Integer::Set(anArgLabel, theValue);
426 //=============================================================================
430 //=============================================================================
431 void GEOM_Function::SetIntegerArray (int thePosition,
432 const Handle(TColStd_HArray1OfInteger)& theArray)
435 if(thePosition <= 0) return;
436 TDF_Label anArgLabel = ARGUMENT(thePosition);
437 Handle(TDataStd_IntegerArray) anAttr =
438 TDataStd_IntegerArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
439 anAttr->ChangeArray(theArray);
443 //=============================================================================
447 //=============================================================================
448 int GEOM_Function::GetInteger(int thePosition)
451 if(thePosition <= 0) return 0;
452 Handle(TDataStd_Integer) anInteger;
453 TDF_Label anArgLabel = ARGUMENT(thePosition);
454 if(!anArgLabel.FindAttribute(TDataStd_Integer::GetID(), anInteger)) return 0;
457 return anInteger->Get();
460 //=============================================================================
464 //=============================================================================
465 Handle(TColStd_HArray1OfInteger) GEOM_Function::GetIntegerArray(int thePosition)
468 if(thePosition <= 0) return 0;
469 Handle(TDataStd_IntegerArray) anIntegerArray;
470 TDF_Label anArgLabel = ARGUMENT(thePosition);
471 if(!anArgLabel.FindAttribute(TDataStd_IntegerArray::GetID(), anIntegerArray)) return 0;
474 return anIntegerArray->Array();
477 //=============================================================================
481 //=============================================================================
482 void GEOM_Function::SetString(int thePosition, const TCollection_AsciiString& theValue)
485 if(thePosition <= 0) return;
486 TDF_Label anArgLabel = ARGUMENT(thePosition);
487 TDataStd_Comment::Set(anArgLabel, theValue);
491 //=============================================================================
495 //=============================================================================
496 TCollection_AsciiString GEOM_Function::GetString(int thePosition)
499 TCollection_AsciiString aRes;
500 if(thePosition <= 0) return aRes;
501 Handle(TDataStd_Comment) aString;
502 TDF_Label anArgLabel = ARGUMENT(thePosition);
503 if(!anArgLabel.FindAttribute(TDataStd_Comment::GetID(), aString)) return aRes;
506 aRes = TCollection_AsciiString(aString->Get());
510 //=============================================================================
514 //=============================================================================
515 void GEOM_Function::SetReference(int thePosition, Handle(GEOM_Function) theReference)
518 if (thePosition <= 0) return;
519 if (theReference.IsNull()) return;
520 TDF_Label anArgLabel = ARGUMENT(thePosition);
521 TDF_Reference::Set(anArgLabel, theReference->GetEntry());
522 TDataStd_UAttribute::Set(anArgLabel, GetDependencyID());
527 //=============================================================================
531 //=============================================================================
532 Handle(GEOM_Function) GEOM_Function::GetReference(int thePosition)
535 if(thePosition <= 0) return NULL;
536 TDF_Label anArgLabel = ARGUMENT(thePosition);
537 Handle(TDF_Reference) aRef;
538 if(!anArgLabel.FindAttribute(TDF_Reference::GetID(), aRef)) return NULL;
541 return GetFunction(aRef->Get());
545 //=============================================================================
549 //=============================================================================
550 void GEOM_Function::SetStringArray(int thePosition, const Handle(TColStd_HArray1OfExtendedString)& theArray)
553 if(thePosition <= 0 || theArray.IsNull()) return;
554 TDF_Label anArgLabel = ARGUMENT(thePosition);
556 Handle(TDataStd_ExtStringArray) anArray =
557 TDataStd_ExtStringArray::Set(anArgLabel, theArray->Lower(), theArray->Upper());
558 anArray->ChangeArray(theArray);
564 //=============================================================================
568 //=============================================================================
569 Handle(TColStd_HArray1OfExtendedString) GEOM_Function::GetStringArray(int thePosition)
572 if(thePosition <= 0) return NULL;
573 TDF_Label anArgLabel = ARGUMENT(thePosition);
574 Handle(TDataStd_ExtStringArray) anArray;
575 if(!anArgLabel.FindAttribute(TDataStd_ExtStringArray::GetID(), anArray)) return NULL;
578 return anArray->Array();
581 //=======================================================================
583 //purpose : Returns true if data of given type already exists
584 //=======================================================================
586 bool GEOM_Function::HasData(int thePosition, const Standard_GUID& dataID)
588 if(thePosition <= 0) return false;
589 TDF_Label anArgLabel = ARGUMENT(thePosition);
590 return anArgLabel.IsAttribute( dataID );
593 //=======================================================================
594 //function : GetReferencesTreeID
596 //=======================================================================
597 const Standard_GUID& GEOM_Function::GetReferencesTreeID()
599 static Standard_GUID aReferencesTreeID("FF1BBB10-5D14-4df2-980B-3A668264EA16");
600 return aReferencesTreeID;
603 //=============================================================================
607 //=============================================================================
608 void GEOM_Function::SetReferenceList (int thePosition,
609 const Handle(TColStd_HSequenceOfTransient)& theRefList)
612 if(thePosition <= 0) return;
614 // parent label for the list of references
615 TDF_Label anArgLabel = ARGUMENT(thePosition);
616 anArgLabel.ForgetAllAttributes();
618 // set TreeNode on the parent label
619 Handle(TDataStd_TreeNode) aRoot, aNode;
620 aRoot = TDataStd_TreeNode::Set(anArgLabel, GetReferencesTreeID());
622 // store references on sub-labels of the parent label
623 Handle(GEOM_Function) aFunc;
624 Standard_Integer ind, len = theRefList->Length();
625 for (ind = 1; ind <= len; ind++) {
626 aFunc = Handle(GEOM_Function)::DownCast(theRefList->Value(ind));
627 if (aFunc.IsNull()) continue;
628 TDF_Label anArgLabel_i = SUB_ARGUMENT(thePosition, ind);
629 TDF_Reference::Set(anArgLabel_i, aFunc->GetEntry());
630 TDataStd_UAttribute::Set(anArgLabel_i, GetDependencyID());
632 // set TreeNode on the child label
633 aNode = TDataStd_TreeNode::Set(anArgLabel_i, GetReferencesTreeID());
634 aRoot->Append(aNode);
641 //=============================================================================
645 //=============================================================================
646 Handle(TColStd_HSequenceOfTransient) GEOM_Function::GetReferenceList(int thePosition)
648 Handle(TColStd_HSequenceOfTransient) aResult = new TColStd_HSequenceOfTransient;
650 if(thePosition <= 0) return aResult;
652 // parent label for the list of references
653 TDF_Label anArgLabel = ARGUMENT(thePosition);
654 Handle(TDF_Reference) aRef;
656 // get TreeNode on the parent label
657 Handle(TDataStd_TreeNode) aRoot, aNode;
658 if(!anArgLabel.FindAttribute(GetReferencesTreeID(), aRoot))
661 // get references, stored on sub-labels of the parent label
663 TDataStd_ChildNodeIterator anIter (aRoot);
664 for (; anIter.More(); anIter.Next()) {
665 aNode = anIter.Value();
666 aLabel_i = aNode->Label();
667 if (!aLabel_i.FindAttribute(TDF_Reference::GetID(), aRef)) continue;
668 Handle(GEOM_Function) aFunc_i = GetFunction(aRef->Get());
669 if (aFunc_i.IsNull()) continue;
670 aResult->Append(aFunc_i);
677 //=============================================================================
681 //=============================================================================
682 //void GEOM_Function::SetShape(int thePosition, const TopoDS_Shape& theShape)
685 // if(thePosition <= 0 || theShape.IsNull()) return;
687 // TDF_Label anArgLabel = ARGUMENT(thePosition);
688 // TNaming_Builder aBuilder(anArgLabel);
689 // aBuilder.Generated(theShape);
695 //=============================================================================
699 //=============================================================================
700 //TopoDS_Shape GEOM_Function::GetShape(int thePosition)
703 // TopoDS_Shape aShape;
704 // if(thePosition <= 0) return aShape;
706 // TDF_Label anArgLabel = ARGUMENT(thePosition);
707 // Handle(TNaming_NamedShape) aNS;
708 // if(!anArgLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) return aShape;
710 // aShape = aNS->Get();
716 //=============================================================================
720 //=============================================================================
721 void GEOM_Function::GetDependency(TDF_LabelSequence& theSeq)
723 TDF_ChildIterator anIterator(ARGUMENTS, Standard_True);
724 for(; anIterator.More(); anIterator.Next()) {
725 if(anIterator.Value().IsAttribute(GetDependencyID())) theSeq.Append(anIterator.Value());
729 //=============================================================================
731 * AddSubShapeReference
733 //=============================================================================
734 void GEOM_Function::AddSubShapeReference(Handle(GEOM_Function) theSubShape)
738 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
740 Handle(TDataStd_ExtStringList) aList;
741 if (!aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
742 aList = new TDataStd_ExtStringList;
743 aSubShapesLabel.AddAttribute(aList);
746 TCollection_AsciiString anEntry;
747 TDF_Tool::Entry(theSubShape->GetOwnerEntry(), anEntry);
748 aList->Append(anEntry);
753 //=============================================================================
755 * RemoveSubShapeReference
757 //=============================================================================
758 void GEOM_Function::RemoveSubShapeReference(Handle(GEOM_Function) theSubShape)
762 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
764 Handle(TDataStd_ExtStringList) aList;
765 if (aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
766 TCollection_AsciiString anEntry;
767 TDF_Tool::Entry(theSubShape->GetOwnerEntry(), anEntry);
768 aList->Remove(anEntry);
774 //=============================================================================
776 * HasSubShapeReferences
778 //=============================================================================
779 bool GEOM_Function::HasSubShapeReferences()
783 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
784 return aSubShapesLabel.IsAttribute(TDataStd_ExtStringList::GetID());
787 //=============================================================================
789 * GetSubShapeReferences
791 //=============================================================================
792 const TDataStd_ListOfExtendedString& GEOM_Function::GetSubShapeReferences()
796 TDF_Label aSubShapesLabel = _label.FindChild(SUBSHAPES_LABEL);
798 Handle(TDataStd_ExtStringList) aList;
799 if (!aSubShapesLabel.FindAttribute(TDataStd_ExtStringList::GetID(), aList)) {
800 aList = new TDataStd_ExtStringList;
801 aSubShapesLabel.AddAttribute(aList);
805 return aList->List();
808 //=============================================================================
812 //=============================================================================
813 TDF_Label GEOM_Function::GetHistoryEntry (const Standard_Boolean create)
815 return _label.FindChild(HISTORY_LABEL, create);
818 //=============================================================================
820 * GetArgumentHistoryEntry
822 //=============================================================================
823 TDF_Label GEOM_Function::GetArgumentHistoryEntry (const TDF_Label& theArgumentRefEntry,
824 const Standard_Boolean create)
826 TColStd_ListOfInteger anArgumentRefTags;
827 TDF_Tool::TagList(theArgumentRefEntry, anArgumentRefTags);
828 Standard_Integer anArgumentRefLabelPos = anArgumentRefTags.Extent();
830 TDF_Label aHistoryLabel = GetHistoryEntry(create);
831 if (aHistoryLabel.IsNull())
832 return aHistoryLabel;
833 Standard_Integer aHistoryLabelPos = aHistoryLabel.Depth() + 1;
835 Standard_Integer itag;
836 TDF_Label aHistoryCurLabel = aHistoryLabel;
837 TColStd_ListIteratorOfListOfInteger aListIter (anArgumentRefTags);
838 for (itag = 1; itag <= aHistoryLabelPos; itag++) {
841 for (; itag <= anArgumentRefLabelPos; itag++) {
842 aHistoryCurLabel = aHistoryCurLabel.FindChild(aListIter.Value(), create);
843 if (aHistoryCurLabel.IsNull())
844 return aHistoryCurLabel;
848 return aHistoryCurLabel;
851 //=============================================================================
855 //=============================================================================
856 TDF_Label GEOM_Function::GetNamingEntry (const Standard_Boolean create)
858 return _label.FindChild(NAMING_LABEL, create);
861 IMPLEMENT_STANDARD_HANDLE (GEOM_Function, Standard_Transient);
862 IMPLEMENT_STANDARD_RTTIEXT(GEOM_Function, Standard_Transient );