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