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[modules/shaper.git] / src / Model / Model_BodyBuilder.cpp
1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
19 //
20
21 #include <Model_BodyBuilder.h>
22
23 #include <Model_Data.h>
24 #include <Model_Document.h>
25 #include <TNaming_Builder.hxx>
26 #include <TNaming_NamedShape.hxx>
27 #include <TNaming_Iterator.hxx>
28 #include <TNaming_Tool.hxx>
29 #include <TDataStd_Name.hxx>
30 #include <TDataStd_Integer.hxx>
31 #include <TopoDS.hxx>
32 #include <TopoDS_Face.hxx>
33 #include <TDF_ChildIterator.hxx>
34 #include <TDF_ChildIDIterator.hxx>
35 #include <TDF_Reference.hxx>
36 #include <TopTools_MapOfShape.hxx>
37 #include <TopExp_Explorer.hxx>
38 #include <TopTools_ListOfShape.hxx>
39 #include <TopTools_ListIteratorOfListOfShape.hxx>
40 #include <TopTools_DataMapOfShapeListOfShape.hxx>
41 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
42 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
43 #include <TopTools_MapIteratorOfMapOfShape.hxx>
44 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
45 #include <TopTools_IndexedMapOfShape.hxx>
46 #include <TopTools_DataMapOfShapeShape.hxx>
47 #include <TopExp.hxx>
48 #include <BRepTools.hxx>
49 #include <BRep_Tool.hxx>
50 #include <GeomAPI_Shape.h>
51 #include <GeomAlgoAPI_MakeShape.h>
52 #include <Config_PropManager.h>
53 // DEB
54 //#include <TCollection_AsciiString.hxx>
55 //#include <TDF_Tool.hxx>
56 //#define DEB_IMPORT 1
57
58 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
59 : ModelAPI_BodyBuilder(theOwner)
60 {
61 }
62
63 // Converts evolution of naming shape to selection evelution and back to avoid
64 // naming support on the disabled results. Deeply in the labels tree, recursively.
65 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
66   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
67   Handle(TNaming_NamedShape) aName;
68   int anEvolution = -1;
69   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
70     TNaming_Evolution aNSEvol = aName->Evolution();
71     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
72         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
73       return;
74     }
75     anEvolution = (int)(aNSEvol);
76     if (!theFlag) {
77       Handle(TDataStd_Integer) anAttrEvol;
78       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
79         anEvolution = anAttrEvol->Get();
80       }
81     } else {
82       TDataStd_Integer::Set(theLab, anEvolution);
83     }
84
85     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
86       // iterator goes in reversed order relatively to the Builder, to, make the list reversed
87       aShapePairs.push_front(std::pair<TopoDS_Shape, TopoDS_Shape>
88         (anIter.OldShape(), anIter.NewShape()));
89     }
90
91     // create new
92     TNaming_Builder aBuilder(theLab);
93     TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
94     std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
95     for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
96       if (theFlag) { // disabled => make selection
97         if (anEvolution == TNaming_DELETE) // issue 2274 : don't put too many same null shapes
98           aBuilder.Select(aPairsIter->first, aPairsIter->first);
99         else if (anEvolution == TNaming_PRIMITIVE)
100           aBuilder.Select(aPairsIter->second, aPairsIter->second);
101         else
102           aBuilder.Select(aPairsIter->second, aPairsIter->first);
103       } else if (anEvol == TNaming_GENERATED) {
104         aBuilder.Generated(aPairsIter->first, aPairsIter->second);
105       } else if (anEvol == TNaming_MODIFY) {
106         aBuilder.Modify(aPairsIter->first, aPairsIter->second);
107       } else if (anEvol == TNaming_DELETE) {
108         aBuilder.Delete(aPairsIter->first);
109       } else if (anEvol == TNaming_PRIMITIVE) {
110         aBuilder.Generated(aPairsIter->second);
111       } else if (anEvol == TNaming_SELECTED) {
112         aBuilder.Select(aPairsIter->second, aPairsIter->first);
113       }
114     }
115   }
116   // recursive call for all sub-labels
117   TDF_ChildIterator anIter(theLab, Standard_False);
118   for(; anIter.More(); anIter.Next()) {
119     evolutionToSelectionRec(anIter.Value(), theFlag);
120   }
121 }
122
123 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
124 {
125   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
126   if (!aData) // unknown case
127     return;
128   TDF_Label& aShapeLab = aData->shapeLab();
129   evolutionToSelectionRec(aShapeLab, theFlag);
130 }
131
132 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape,
133                               const bool theIsStoreSameShapes)
134 {
135   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
136   if (aData) {
137     TDF_Label& aShapeLab = aData->shapeLab();
138     // clean builders
139     clean();
140     // store the new shape as primitive
141     TNaming_Builder aBuilder(aShapeLab);
142     if (!theShape)
143       return;  // bad shape
144     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
145     if (aShape.IsNull())
146       return;  // null shape inside
147
148     if(!theIsStoreSameShapes) {
149       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aShape, aShapeLab);
150       if(!aNS.IsNull() && !aNS->IsEmpty()) {
151         // This shape is already in document, store reference instead of shape;
152         const TDF_Label aFoundLabel = aNS->Label();
153         TDF_Reference::Set(aShapeLab, aFoundLabel);
154         aShapeLab.ForgetAttribute(TNaming_NamedShape::GetID());
155         return;
156       }
157     }
158
159     aBuilder.Generated(aShape);
160     // register name
161     aShapeLab.ForgetAttribute(TDF_Reference::GetID());
162     if(!aBuilder.NamedShape()->IsEmpty()) {
163       Handle(TDataStd_Name) anAttr;
164       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
165         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
166         if(!aName.empty()) {
167           std::shared_ptr<Model_Document> aDoc =
168             std::dynamic_pointer_cast<Model_Document>(document());
169           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
170         }
171       }
172     }
173   }
174 }
175
176 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
177   const std::shared_ptr<GeomAPI_Shape>& theToShape)
178 {
179   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
180   if (aData) {
181     TDF_Label& aShapeLab = aData->shapeLab();
182     // clean builders
183     clean();
184     // store the new shape as primitive
185     TNaming_Builder aBuilder(aShapeLab);
186     if (!theFromShape || !theToShape)
187       return;  // bad shape
188     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
189     if (aShapeBasis.IsNull())
190       return;  // null shape inside
191     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
192     if (aShapeNew.IsNull())
193       return;  // null shape inside
194     aBuilder.Generated(aShapeBasis, aShapeNew);
195     // register name
196     if(!aBuilder.NamedShape()->IsEmpty()) {
197       Handle(TDataStd_Name) anAttr;
198       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
199         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
200         if(!aName.empty()) {
201           std::shared_ptr<Model_Document> aDoc =
202             std::dynamic_pointer_cast<Model_Document>(document());
203           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
204         }
205       }
206     }
207   }
208 }
209
210 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
211   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
212 {
213   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
214   if (aData) {
215     TDF_Label& aShapeLab = aData->shapeLab();
216     // clean builders
217     clean();
218     // store the new shape as primitive
219     TNaming_Builder aBuilder(aShapeLab);
220     if (!theOldShape || !theNewShape)
221       return;  // bad shape
222     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
223     if (aShapeOld.IsNull())
224       return;  // null shape inside
225     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
226     if (aShapeNew.IsNull())
227       return;  // null shape inside
228     aBuilder.Modify(aShapeOld, aShapeNew);
229     if(!aBuilder.NamedShape()->IsEmpty()) {
230       Handle(TDataStd_Name) anAttr;
231       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
232         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
233         if(!aName.empty()) {
234           std::shared_ptr<Model_Document> aDoc =
235             std::dynamic_pointer_cast<Model_Document>(document());
236           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
237         }
238       }
239     }
240   }
241 }
242
243 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
244 {
245   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
246   if (aData) {
247     clean();
248     if (!theShape.get())
249       return; // bad shape
250     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
251     if (aShape.IsNull())
252       return;  // null shape inside
253     TNaming_Builder aBuilder(aData->shapeLab());
254     aBuilder.Select(aShape, aShape);
255   }
256 }
257
258 void Model_BodyBuilder::clean()
259 {
260   TDF_Label aLab = std::dynamic_pointer_cast<Model_Data>(data())->shapeLab();
261   if (aLab.IsNull())
262     return;
263   std::map<int, TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
264   for(; aBuilder != myBuilders.end(); aBuilder++) {
265     delete aBuilder->second;
266     // clear also shapes on cleaned sub-labels (#2241)
267     Handle(TNaming_NamedShape) aNS;
268     if (aLab.FindChild(aBuilder->first).FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
269       aNS->Clear();
270     }
271   }
272   myBuilders.clear();
273   // remove the old reference (if any)
274   aLab.ForgetAttribute(TDF_Reference::GetID());
275 }
276
277 Model_BodyBuilder::~Model_BodyBuilder()
278 {
279   clean();
280 }
281
282 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
283 {
284   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
285   if (aFind == myBuilders.end()) {
286     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
287     myBuilders[theTag] = new TNaming_Builder(aData->shapeLab().FindChild(theTag));
288     aFind = myBuilders.find(theTag);
289   }
290   return aFind->second;
291 }
292
293 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
294 {
295   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
296   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
297   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
298 }
299 void Model_BodyBuilder::generated(
300   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
301 {
302   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
303   builder(theTag)->Generated(aShape);
304   if(!theName.empty())
305     buildName(theTag, theName);
306 }
307
308 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
309   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
310 {
311   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
312   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
313   builder(theTag)->Generated(anOldShape, aNewShape);
314   if(!theName.empty())
315     buildName(theTag, theName);
316   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
317   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
318     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
319     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
320     int aTag = 1;
321     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
322     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
323       TDF_Label aChildLabel = aLabel.FindChild(aTag);
324       TNaming_Builder aBuilder(aChildLabel);
325       aBuilder.Generated(anOldShape, anExp.Current());
326       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
327       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
328       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
329       aTag++;
330     }
331   }
332 }
333
334
335 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
336   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
337 {
338   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
339   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
340   builder(theTag)->Modify(anOldShape, aNewShape);
341   if(!theName.empty())
342     buildName(theTag, theName);
343 }
344
345 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
346   const int theTag)
347 {
348   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
349   builder(theTag)->Delete(aShape);
350 }
351
352 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
353   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
354   const int  theKindOfShape,
355   const int  theTag)
356 {
357   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
358   TopTools_MapOfShape aView;
359   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
360   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
361     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
362     if (!aView.Add(aRoot)) continue;
363     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
364     aRShape->setImpl((new TopoDS_Shape(aRoot)));
365     if (theMS->isDeleted (aRShape)) {
366       builder(theTag)->Delete(aRoot);
367     }
368   }
369 }
370
371 void Model_BodyBuilder::loadAndOrientModifiedShapes (
372   GeomAlgoAPI_MakeShape* theMS,
373   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
374   const int  theKindOfShape,
375   const int  theTag,
376   const std::string& theName,
377   GeomAPI_DataMapOfShapeShape& theSubShapes,
378   const bool theIsStoreSeparate,
379   const bool theIsStoreAsGenerated)
380 {
381   int anIndex = 1;
382   int aTag = theTag;
383   bool isBuilt = !theName.empty();
384   std::string aName = theName;
385   std::ostringstream aStream;
386   GeomShapePtr aResultShape = shape();
387   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
388   TopTools_MapOfShape aView;
389   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
390   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
391     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
392     if (!aView.Add(aRoot)) continue;
393     if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
394       continue; // there is no sense to write history if old shape does not exist in the document
395     ListOfShape aList;
396     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
397     aRShape->setImpl((new TopoDS_Shape(aRoot)));
398     theMS->modified(aRShape, aList);
399     // to trace situation where several objects are produced by one parent (#2317)
400     int aSameParentShapes = -1;
401     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
402       anIt = aList.begin(), aLast = aList.end();
403     for (; anIt != aLast; anIt++) {
404       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
405       if (theSubShapes.isBound(*anIt)) {
406         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
407         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
408       }
409       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
410       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
411       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape, false)) {
412         int aBuilderTag = aTag;
413         if (!theIsStoreSeparate)
414           aSameParentShapes++;
415         if (aSameParentShapes > 0) { // store in other label
416           aBuilderTag = 100000 - aSameParentShapes * 10 - aTag;
417         }
418         if(theIsStoreAsGenerated) {
419           // Here we store shapes as generated, to avoid problem when one parent shape produce
420           // several child shapes. In this case naming could not determine which shape to select.
421           builder(aBuilderTag)->Generated(aRoot,aNewShape);
422         } else {
423           builder(aBuilderTag)->Modify(aRoot,aNewShape);
424         }
425         if(isBuilt) {
426           if(theIsStoreSeparate) {
427             aStream.str(std::string());
428             aStream.clear();
429             aStream << theName << "_" << anIndex++;
430             aName = aStream.str();
431           }
432           if (aSameParentShapes > 0) {
433             aStream.str(std::string());
434             aStream.clear();
435             aStream << aName << "_" << aSameParentShapes << "divided";
436             std::string aNameDiv = aStream.str();
437             buildName(aBuilderTag, aNameDiv);
438           } else {
439             buildName(aBuilderTag, aName);
440           }
441         }
442         if(theIsStoreSeparate) {
443           aTag++;
444         }
445       }
446     }
447   }
448 }
449
450 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
451   GeomAlgoAPI_MakeShape* theMS,
452   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
453   const int  theKindOfShape,
454   const int  theTag,
455   const std::string& theName,
456   GeomAPI_DataMapOfShapeShape& theSubShapes)
457 {
458   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
459   TopTools_MapOfShape aView;
460   bool isBuilt = !theName.empty();
461   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
462   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
463     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
464     if (!aView.Add(aRoot)) continue;
465     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
466     //  continue; // there is no sense to write history if old shape does not exist in the document
467     ListOfShape aList;
468     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
469     aRShape->setImpl((new TopoDS_Shape(aRoot)));
470     theMS->generated(aRShape, aList);
471     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
472       anIt = aList.begin(), aLast = aList.end();
473     for (; anIt != aLast; anIt++) {
474       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
475       if (theSubShapes.isBound(*anIt)) {
476         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
477         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
478       }
479       if (!aRoot.IsSame (aNewShape)) {
480         builder(theTag)->Generated(aRoot,aNewShape);
481         if(isBuilt)
482           buildName(theTag, theName);
483       }
484       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
485       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
486         TopAbs_ShapeEnum anExplodeShapeType =
487           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
488         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
489         int aTag = 1;
490         std::shared_ptr<Model_Document> aDoc =
491           std::dynamic_pointer_cast<Model_Document>(document());
492         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
493           TDF_Label aChildLabel = aLabel.FindChild(aTag);
494           TNaming_Builder aBuilder(aChildLabel);
495           aBuilder.Generated(aRoot, anExp.Current());
496           TCollection_AsciiString aChildName =
497             TCollection_AsciiString((theName + "_").c_str()) + aTag;
498           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
499           aTag++;
500         }
501       }
502     }
503   }
504 }
505
506 //=======================================================================
507 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
508   const TopAbs_ShapeEnum        theGeneratedFrom,
509   TopTools_DataMapOfShapeShape& theDangles)
510 {
511   theDangles.Clear();
512   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
513   TopAbs_ShapeEnum GeneratedTo;
514   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
515   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
516   else return Standard_False;
517   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
518   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
519     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
520     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
521     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
522   }
523   return theDangles.Extent();
524 }
525
526 //=======================================================================
527 void loadGeneratedDangleShapes(
528   const TopoDS_Shape&      theShapeIn,
529   const TopAbs_ShapeEnum   theGeneratedFrom,
530   TNaming_Builder *        theBuilder)
531 {
532   TopTools_DataMapOfShapeShape dangles;
533   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
534   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
535   for (; itr.More(); itr.Next())
536     theBuilder->Generated(itr.Key(), itr.Value());
537 }
538
539 //=======================================================================
540 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
541   const std::string& theName, int&  theTag)
542 {
543   if(theShape->isNull()) return;
544   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
545   std::string aName;
546   if (aShape.ShapeType() == TopAbs_SOLID) {
547     TopExp_Explorer expl(aShape, TopAbs_FACE);
548     for (; expl.More(); expl.Next()) {
549       builder(theTag)->Generated(expl.Current());
550       TCollection_AsciiString aStr(theTag);
551       aName = theName + aStr.ToCString();
552       buildName(theTag, aName);
553       theTag++;
554     }
555   }
556   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
557     // load faces and all the free edges
558     TopTools_IndexedMapOfShape Faces;
559     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
560     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
561       TopExp_Explorer expl(aShape, TopAbs_FACE);
562       for (; expl.More(); expl.Next()) {
563         builder(theTag)->Generated(expl.Current());
564         TCollection_AsciiString aStr(theTag);
565         aName = theName + aStr.ToCString();
566         buildName(theTag, aName);
567         theTag++;
568       }
569     }
570     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
571     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
572     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
573     {
574       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
575       if (aLL.Extent() < 2) {
576         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
577           continue;
578         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
579         TCollection_AsciiString aStr(theTag);
580         aName = theName + aStr.ToCString();
581         buildName(theTag, aName);
582         theTag++;
583       } else {
584         TopTools_ListIteratorOfListOfShape anIter(aLL);
585         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
586         anIter.Next();
587         if(aFace.IsEqual(anIter.Value())) {
588           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
589           TCollection_AsciiString aStr(theTag);
590           aName = theName + aStr.ToCString();
591           buildName(theTag, aName);
592           theTag++;
593         }
594       }
595     }
596   } else if (aShape.ShapeType() == TopAbs_WIRE) {
597     TopTools_IndexedMapOfShape Edges;
598     BRepTools::Map3DEdges(aShape, Edges);
599     if (Edges.Extent() == 1) {
600       builder(theTag++)->Generated(Edges.FindKey(1));
601       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
602       for (; expl.More(); expl.Next()) {
603         builder(theTag)->Generated(expl.Current());
604         TCollection_AsciiString aStr(theTag);
605         aName = theName + aStr.ToCString();
606         buildName(theTag, aName);
607         theTag++;
608       }
609     } else {
610       TopExp_Explorer expl(aShape, TopAbs_EDGE);
611       for (; expl.More(); expl.Next()) {
612         builder(theTag)->Generated(expl.Current());
613         TCollection_AsciiString aStr(theTag);
614         aName = theName + aStr.ToCString();
615         buildName(theTag, aName);
616         theTag++;
617       }
618       // and load generated vertices.
619       TopTools_DataMapOfShapeShape generated;
620       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
621       {
622         TNaming_Builder* pBuilder = builder(theTag++);
623         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
624       }
625     }
626   } else if (aShape.ShapeType() == TopAbs_EDGE) {
627     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
628     for (; expl.More(); expl.Next()) {
629       builder(theTag)->Generated(expl.Current());
630       TCollection_AsciiString aStr(theTag);
631       aName = theName + aStr.ToCString();
632       buildName(theTag, aName);
633       theTag++;
634     }
635   }
636 }
637
638 //=======================================================================
639 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
640   TopTools_ListOfShape&   theList)
641 {
642   theList.Clear();
643   // edges -> ancestor faces list
644   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
645   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
646   // keeps the shapes which are already in the resulting list
647   TopTools_MapOfShape alreadyThere;
648   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
649   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
650
651   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
652   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
653     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
654     if (ancestors.Extent() < 2)
655       continue;
656     Standard_Integer anID = 0;
657     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
658       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
659     }
660     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
661       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
662         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
663       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
664       for(; aSameEdge.More(); aSameEdge.Next()) {
665         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
666           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
667         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
668           break;
669
670         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
671         for(; aFaceIter1.More(); aFaceIter1.Next()) {
672           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
673           for(; aFaceIter2.More(); aFaceIter2.Next()) {
674             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
675               break;
676           }
677           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
678             break;
679         }
680         if (!aFaceIter1.More()) { // all the faces are same => put to the result
681           if (alreadyThere.Add(aSameEdge.Value()))
682             theList.Append(aSameEdge.Value());
683           if (alreadyThere.Add(anAncestorsIter.Key()))
684             theList.Append(anAncestorsIter.Key());
685         }
686       }
687     } else { // ID is unique, just add this edge
688       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
689     }
690     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
691   }
692   return theList.Extent();
693 }
694
695 //=======================================================================
696 void Model_BodyBuilder::loadFirstLevel(
697   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
698 {
699   if(theShape->isNull()) return;
700   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
701   std::string aName;
702   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
703     TopoDS_Iterator itr(aShape);
704     for (; itr.More(); itr.Next()) {
705       builder(theTag)->Generated(itr.Value());
706       TCollection_AsciiString aStr(theTag);
707       aName = theName + aStr.ToCString();
708       buildName(theTag, aName);
709       if(!theName.empty()) buildName(theTag, aName);
710       theTag++;
711       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
712         itr.Value().ShapeType() == TopAbs_COMPSOLID)
713       {
714         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
715         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
716         loadFirstLevel(itrShape, theName, theTag);
717       } else {
718         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
719         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
720         loadNextLevels(itrShape, theName, theTag);
721       }
722     }
723   } else {
724     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
725     itrShape->setImpl(new TopoDS_Shape(aShape));
726     loadNextLevels(itrShape, theName, theTag);
727   }
728   TopTools_ListOfShape   aList;
729   if(findAmbiguities(aShape, aList)) {
730     TopTools_ListIteratorOfListOfShape it(aList);
731     for (; it.More(); it.Next(),theTag++) {
732       builder(theTag)->Generated(it.Value());
733       TCollection_AsciiString aStr(theTag);
734       aName = theName + aStr.ToCString();
735       buildName(theTag, aName);
736     }
737   }
738 }
739
740 //=======================================================================
741 void Model_BodyBuilder::loadDisconnectedEdges(
742   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
743 {
744   if(theShape->isNull()) return;
745   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
746   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
747   TopTools_ListOfShape empty;
748   TopExp_Explorer explF(aShape, TopAbs_FACE);
749   for (; explF.More(); explF.Next()) {
750     const TopoDS_Shape& aFace = explF.Current();
751     TopExp_Explorer explV(aFace, TopAbs_EDGE);
752     for (; explV.More(); explV.Next()) {
753       const TopoDS_Shape& anEdge = explV.Current();
754       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
755       Standard_Boolean faceIsNew = Standard_True;
756       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
757       for (; itrF.More(); itrF.Next()) {
758         if (itrF.Value().IsSame(aFace)) {
759           faceIsNew = Standard_False;
760           break;
761         }
762       }
763       if (faceIsNew)
764         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
765     }
766   }
767
768   TopTools_MapOfShape anEdgesToDelete;
769   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
770   std::string aName;
771   for(;anEx.More();anEx.Next()) {
772     Standard_Boolean aC0 = Standard_False;
773     TopoDS_Shape anEdge1 = anEx.Current();
774     if (edgeNaborFaces.IsBound(anEdge1)) {
775       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
776       if (aList1.Extent()<2) continue;
777       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
778       for (; itr.More(); itr.Next()) {
779         TopoDS_Shape anEdge2 = itr.Key();
780         if(anEdgesToDelete.Contains(anEdge2)) continue;
781         if (anEdge1.IsSame(anEdge2)) continue;
782         const TopTools_ListOfShape& aList2 = itr.Value();
783         // compare lists of the neighbour faces of edge1 and edge2
784         if (aList1.Extent() == aList2.Extent()) {
785           Standard_Integer aMatches = 0;
786           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
787             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
788               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
789           if (aMatches == aList1.Extent()) {
790             aC0=Standard_True;
791             builder(theTag)->Generated(anEdge2);
792             anEdgesToDelete.Add(anEdge2);
793             TCollection_AsciiString aStr(theTag);
794             aName = theName + aStr.ToCString();
795             buildName(theTag, aName);
796             theTag++;
797           }
798         }
799       }
800       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
801       for(;itDelete.More();itDelete.Next())
802         edgeNaborFaces.UnBind(itDelete.Key());
803       edgeNaborFaces.UnBind(anEdge1);
804     }
805     if (aC0) {
806       builder(theTag)->Generated(anEdge1);
807       TCollection_AsciiString aStr(theTag);
808       aName = theName + aStr.ToCString();
809       buildName(theTag, aName);
810       theTag++;
811     }
812   }
813 }
814
815 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
816                                                  const std::string& theName, int&  theTag)
817 {
818   if(theShape->isNull()) return;
819   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
820   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
821   TopTools_ListOfShape empty;
822   TopExp_Explorer explF(aShape, TopAbs_EDGE);
823   for (; explF.More(); explF.Next()) {
824     const TopoDS_Shape& anEdge = explF.Current();
825     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
826     for (; explV.More(); explV.Next()) {
827       const TopoDS_Shape& aVertex = explV.Current();
828       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
829       Standard_Boolean faceIsNew = Standard_True;
830       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
831       for (; itrF.More(); itrF.Next()) {
832         if (itrF.Value().IsSame(anEdge)) {
833           faceIsNew = Standard_False;
834           break;
835         }
836       }
837       if (faceIsNew) {
838         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
839       }
840     }
841   }
842   std::string aName;
843   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
844   for (; itr.More(); itr.Next()) {
845     const TopTools_ListOfShape& naborEdges = itr.Value();
846     if (naborEdges.Extent() < 2) {
847       builder(theTag)->Generated(itr.Key());
848       TCollection_AsciiString aStr(theTag);
849       aName = theName + aStr.ToCString();
850       buildName(theTag, aName);
851       theTag++;
852     }
853   }
854 }
855
856 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
857 {
858   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
859   if (aData) {
860     TDF_Label aShapeLab = aData->shapeLab();
861     Handle(TDF_Reference) aRef;
862     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
863       aShapeLab = aRef->Get();
864     }
865     Handle(TNaming_NamedShape) aName;
866     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
867       TopoDS_Shape aShape = aName->Get();
868       if (!aShape.IsNull()) {
869         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
870         aRes->setImpl(new TopoDS_Shape(aShape));
871         return aRes;
872       }
873     }
874   }
875   return std::shared_ptr<GeomAPI_Shape>();
876 }
877
878 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
879 {
880   if (theShape.get()) {
881     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
882     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
883     if (aData) {
884       TDF_Label& aShapeLab = aData->shapeLab();
885       Handle(TNaming_NamedShape) aName;
886       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
887         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
888         if (aLatest.IsNull())
889           return false;
890         if (aLatest.IsEqual(aShape))
891           return true;
892         // check sub-shapes for comp-solids:
893         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
894           if (aLatest.IsEqual(anExp.Current()))
895             return true;
896         }
897       }
898     }
899   }
900   return false;
901 }