+// Copyright (C) 2014-2019 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include "FeaturesPlugin_VersionedBoolean.h"
+
+#include <ModelAPI_Data.h>
+#include <ModelAPI_Document.h>
+#include <ModelAPI_AttributeReference.h>
+#include <ModelAPI_AttributeInteger.h>
+#include <ModelAPI_ResultBody.h>
+#include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
+#include <ModelAPI_Tools.h>
+
+#include <GeomAlgoAPI_Boolean.h>
+#include <GeomAlgoAPI_CompoundBuilder.h>
+#include <GeomAlgoAPI_MakeShapeCustom.h>
+#include <GeomAlgoAPI_MakeShapeList.h>
+#include <GeomAlgoAPI_Partition.h>
+#include <GeomAlgoAPI_PaveFiller.h>
+#include <GeomAlgoAPI_ShapeBuilder.h>
+#include <GeomAlgoAPI_ShapeTools.h>
+#include <GeomAlgoAPI_Tools.h>
+#include <GeomAPI_Face.h>
+#include <GeomAPI_ShapeExplorer.h>
+#include <GeomAPI_ShapeIterator.h>
+
+#include <algorithm>
+#include <map>
+
+//=================================================================================================
+void FeaturesPlugin_VersionedBoolean::initVersion(const int theVersion,
+ const AttributePtr theObjectsAttr,
+ const AttributePtr theToolsAttr)
+{
+ AttributePtr aVerAttr = data()->addAttribute(VERSION_ID(), ModelAPI_AttributeInteger::typeId());
+ aVerAttr->setIsArgument(false);
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), VERSION_ID());
+ if (!integer(VERSION_ID())->isInitialized() &&
+ (!theObjectsAttr || !theObjectsAttr->isInitialized()) &&
+ (!theToolsAttr || !theToolsAttr->isInitialized())) {
+ // this is a newly created feature (not read from file),
+ // so, initialize the latest version
+ integer(VERSION_ID())->setValue(theVersion);
+ }
+}
+
+//=================================================================================================
+void FeaturesPlugin_VersionedBoolean::parentForShape(const GeomShapePtr& theShape,
+ const ResultPtr& theContext,
+ ObjectHierarchy& theShapesHierarchy)
+{
+ ResultBodyPtr aResCompSolidPtr = ModelAPI_Tools::bodyOwner(theContext);
+ if (aResCompSolidPtr.get()) {
+ std::shared_ptr<GeomAPI_Shape> aContextShape = aResCompSolidPtr->shape();
+ if (aContextShape->shapeType() <= GeomAPI_Shape::COMPSOLID) {
+ theShapesHierarchy.AddParent(theShape, aContextShape);
+ parentForShape(aContextShape, aResCompSolidPtr, theShapesHierarchy);
+ }
+ }
+}
+
+bool FeaturesPlugin_VersionedBoolean::processAttribute(const std::string& theAttributeName,
+ ObjectHierarchy& theObjects,
+ ListOfShape& thePlanesList)
+{
+ AttributeSelectionListPtr anObjectsSelList = selectionList(theAttributeName);
+ for (int anObjectsIndex = 0; anObjectsIndex < anObjectsSelList->size(); anObjectsIndex++) {
+ AttributeSelectionPtr anObjectAttr = anObjectsSelList->value(anObjectsIndex);
+ GeomShapePtr anObject = anObjectAttr->value();
+ if (!anObject.get()) {
+ // It could be a construction plane.
+ ResultPtr aContext = anObjectAttr->context();
+ anObject = anObjectAttr->context()->shape();
+ if (anObject.get()) {
+ thePlanesList.push_back(anObject);
+ continue;
+ } else
+ return false;
+ }
+
+ theObjects.AddObject(anObject);
+
+ ResultPtr aContext = anObjectAttr->context();
+ parentForShape(anObject, aContext, theObjects);
+ }
+ return true;
+}
+
+//=================================================================================================
+bool FeaturesPlugin_VersionedBoolean::processObject(
+ const GeomAlgoAPI_Tools::BOPType theBooleanType,
+ const GeomShapePtr& theObject,
+ const ListOfShape& theTools,
+ const ListOfShape& thePlanes,
+ int& theResultIndex,
+ std::vector<FeaturesPlugin_Tools::ResultBaseAlgo>& theResultBaseAlgoList,
+ ListOfShape& theResultShapesList,
+ GeomShapePtr theResultCompound)
+{
+ ListOfShape aListWithObject;
+ aListWithObject.push_back(theObject);
+ std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
+ std::shared_ptr<GeomAlgoAPI_MakeShape> aBoolAlgo;
+ GeomShapePtr aResShape;
+
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aBoundingPoints =
+ GeomAlgoAPI_ShapeTools::getBoundingBox(aListWithObject, 1.0);
+
+ // Resize planes.
+ ListOfShape aToolsWithPlanes = theTools;
+ for (ListOfShape::const_iterator anIt = thePlanes.begin(); anIt != thePlanes.end(); ++anIt) {
+ GeomShapePtr aPlane = *anIt;
+ GeomShapePtr aTool = GeomAlgoAPI_ShapeTools::fitPlaneToBox(aPlane, aBoundingPoints);
+ std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aMkShCustom(
+ new GeomAlgoAPI_MakeShapeCustom);
+ aMkShCustom->addModified(aPlane, aTool);
+ aMakeShapeList->appendAlgo(aMkShCustom);
+ aToolsWithPlanes.push_back(aTool);
+ }
+
+ if (theBooleanType == GeomAlgoAPI_Tools::BOOL_PARTITION)
+ aBoolAlgo.reset(new GeomAlgoAPI_Partition(aListWithObject, aToolsWithPlanes));
+ else
+ aBoolAlgo.reset(new GeomAlgoAPI_Boolean(aListWithObject,
+ aToolsWithPlanes,
+ theBooleanType));
+
+ // Checking that the algorithm worked properly.
+ std::string anError;
+ if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aBoolAlgo, getKind(), anError)) {
+ setError(anError);
+ return false;
+ }
+
+ aResShape = aBoolAlgo->shape();
+ if (aResShape.get() && aResShape->shapeType() == GeomAPI_Shape::COMPOUND) {
+ int aSubResultsNb = 0;
+ GeomAPI_ShapeIterator anIt(aResShape);
+ for (; anIt.more(); anIt.next())
+ ++aSubResultsNb;
+
+ if (aSubResultsNb == 1) {
+ anIt.init(aResShape);
+ if (anIt.more())
+ aResShape = anIt.current();
+ }
+ }
+
+ aMakeShapeList->appendAlgo(aBoolAlgo);
+
+ GeomAPI_ShapeIterator aShapeIt(aResShape);
+ if (aShapeIt.more() || aResShape->shapeType() == GeomAPI_Shape::VERTEX) {
+ std::shared_ptr<ModelAPI_ResultBody> aResultBody;
+
+ if (theResultCompound) { // store BOP result to the compound
+ std::shared_ptr<GeomAlgoAPI_ShapeBuilder> aBuilder(new GeomAlgoAPI_ShapeBuilder);
+ aBuilder->add(theResultCompound, aResShape);
+ aMakeShapeList->appendAlgo(aBuilder);
+ }
+ else { // create a separate ResultBody
+ aResultBody = document()->createBody(data(), theResultIndex);
+
+ // tools should be added to the list to fulfill the correct history of modification
+ aListWithObject.insert(aListWithObject.end(), theTools.begin(), theTools.end());
+
+ ListOfShape aUsedTools = theTools;
+ aUsedTools.insert(aUsedTools.end(), thePlanes.begin(), thePlanes.end());
+
+ FeaturesPlugin_Tools::loadModifiedShapes(aResultBody,
+ aListWithObject,
+ aUsedTools,
+ aMakeShapeList,
+ aResShape);
+ setResult(aResultBody, theResultIndex);
+ ++theResultIndex;
+ }
+
+
+ FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
+ aRBA.resultBody = aResultBody;
+ aRBA.baseShape = theObject;
+ aRBA.makeShape = aMakeShapeList;
+ theResultBaseAlgoList.push_back(aRBA);
+ theResultShapesList.push_back(aResShape);
+ }
+ return true;
+}
+
+//=================================================================================================
+bool FeaturesPlugin_VersionedBoolean::processCompsolid(
+ const GeomAlgoAPI_Tools::BOPType theBooleanType,
+ const ObjectHierarchy& theCompsolidHierarchy,
+ const GeomShapePtr& theCompsolid,
+ const ListOfShape& theTools,
+ const ListOfShape& thePlanes,
+ int& theResultIndex,
+ std::vector<FeaturesPlugin_Tools::ResultBaseAlgo>& theResultBaseAlgoList,
+ ListOfShape& theResultShapesList,
+ GeomShapePtr theResultCompound)
+{
+ ListOfShape aUsedInOperationSolids;
+ ListOfShape aNotUsedSolids;
+ theCompsolidHierarchy.SplitCompound(theCompsolid, aUsedInOperationSolids, aNotUsedSolids);
+
+ std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
+
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aBoundingPoints =
+ GeomAlgoAPI_ShapeTools::getBoundingBox(aUsedInOperationSolids, 1.0);
+
+ // Resize planes.
+ ListOfShape aToolsWithPlanes = theTools;
+ for (ListOfShape::const_iterator anIt = thePlanes.begin(); anIt != thePlanes.end(); ++anIt)
+ {
+ GeomShapePtr aPlane = *anIt;
+ GeomShapePtr aTool = GeomAlgoAPI_ShapeTools::fitPlaneToBox(aPlane, aBoundingPoints);
+ std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aMkShCustom(
+ new GeomAlgoAPI_MakeShapeCustom);
+ aMkShCustom->addModified(aPlane, aTool);
+ aMakeShapeList->appendAlgo(aMkShCustom);
+ aToolsWithPlanes.push_back(aTool);
+ }
+
+ std::shared_ptr<GeomAlgoAPI_MakeShape> aBoolAlgo;
+ if (theBooleanType == GeomAlgoAPI_Tools::BOOL_PARTITION)
+ aBoolAlgo.reset(new GeomAlgoAPI_Partition(aUsedInOperationSolids, aToolsWithPlanes));
+ else
+ aBoolAlgo.reset(new GeomAlgoAPI_Boolean(aUsedInOperationSolids,
+ aToolsWithPlanes,
+ theBooleanType));
+
+ // Checking that the algorithm worked properly.
+ std::string anError;
+ if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aBoolAlgo, getKind(), anError)) {
+ setError(anError);
+ return false;
+ }
+
+ aMakeShapeList->appendAlgo(aBoolAlgo);
+ GeomShapePtr aResultShape = aBoolAlgo->shape();
+
+ // Add result to not used solids from compsolid.
+ if (!aNotUsedSolids.empty()) {
+ ListOfShape aShapesToAdd = aNotUsedSolids;
+ aShapesToAdd.push_back(aBoolAlgo->shape());
+ std::shared_ptr<GeomAlgoAPI_PaveFiller> aFillerAlgo(
+ new GeomAlgoAPI_PaveFiller(aShapesToAdd, true));
+ if (!aFillerAlgo->isDone()) {
+ std::string aFeatureError = "Error: PaveFiller algorithm failed.";
+ setError(aFeatureError);
+ return false;
+ }
+
+ aMakeShapeList->appendAlgo(aFillerAlgo);
+ aResultShape = aFillerAlgo->shape();
+ }
+
+ GeomAPI_ShapeIterator aShapeIt(aResultShape);
+ if (aShapeIt.more() || aResultShape->shapeType() == GeomAPI_Shape::VERTEX)
+ {
+ std::shared_ptr<ModelAPI_ResultBody> aResultBody;
+
+ if (theResultCompound) { // store BOP result to the compound
+ std::shared_ptr<GeomAlgoAPI_ShapeBuilder> aBuilder(new GeomAlgoAPI_ShapeBuilder);
+ aBuilder->add(theResultCompound, aResultShape);
+ aMakeShapeList->appendAlgo(aBuilder);
+ }
+ else { // create a separate ResultBody
+ aResultBody = document()->createBody(data(), theResultIndex);
+
+ ListOfShape aCompSolidList;
+ aCompSolidList.push_back(theCompsolid);
+ // tools should be added to the list to fulfill the correct history of modification
+ aCompSolidList.insert(aCompSolidList.end(), theTools.begin(), theTools.end());
+
+ ListOfShape aUsedTools = theTools;
+ aUsedTools.insert(aUsedTools.end(), thePlanes.begin(), thePlanes.end());
+
+ FeaturesPlugin_Tools::loadModifiedShapes(aResultBody,
+ aCompSolidList,
+ aUsedTools,
+ aMakeShapeList,
+ aResultShape);
+ setResult(aResultBody, theResultIndex);
+ ++theResultIndex;
+ }
+
+ FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
+ aRBA.resultBody = aResultBody;
+ aRBA.baseShape = theCompsolid;
+ aRBA.makeShape = aMakeShapeList;
+ theResultBaseAlgoList.push_back(aRBA);
+ theResultShapesList.push_back(aResultShape);
+ }
+ return true;
+}
+
+//=================================================================================================
+bool FeaturesPlugin_VersionedBoolean::processCompound(
+ const GeomAlgoAPI_Tools::BOPType theBooleanType,
+ const ObjectHierarchy& theCompoundHierarchy,
+ const GeomShapePtr& theCompound,
+ const ListOfShape& theTools,
+ int& theResultIndex,
+ std::vector<FeaturesPlugin_Tools::ResultBaseAlgo>& theResultBaseAlgoList,
+ ListOfShape& theResultShapesList,
+ GeomShapePtr theResultCompound)
+{
+ ListOfShape aUsedInOperationShapes;
+ ListOfShape aNotUsedShapes;
+ theCompoundHierarchy.SplitCompound(theCompound, aUsedInOperationShapes, aNotUsedShapes);
+ if (theResultCompound) {
+ // Not necessary to keep all subs of the current compound,
+ // all unused solids are already stored in the result compound.
+ aNotUsedShapes.clear();
+ }
+
+ std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
+ std::shared_ptr<GeomAlgoAPI_Boolean> aBoolAlgo(
+ new GeomAlgoAPI_Boolean(aUsedInOperationShapes,
+ theTools,
+ theBooleanType));
+
+ // Checking that the algorithm worked properly.
+ std::string anError;
+ if (GeomAlgoAPI_Tools::AlgoError::isAlgorithmFailed(aBoolAlgo, getKind(), anError)) {
+ setError(anError);
+ return false;
+ }
+
+ aMakeShapeList->appendAlgo(aBoolAlgo);
+ GeomShapePtr aResultShape = aBoolAlgo->shape();
+
+ // Add result to not used shape from compound.
+ if (!aNotUsedShapes.empty()) {
+ ListOfShape aShapesForResult = aNotUsedShapes;
+ if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
+ for (GeomAPI_ShapeIterator aResultIt(aResultShape); aResultIt.more(); aResultIt.next()) {
+ aShapesForResult.push_back(aResultIt.current());
+ }
+ }
+ else {
+ aShapesForResult.push_back(aResultShape);
+ }
+
+ if (aShapesForResult.size() == 1) {
+ aResultShape = aShapesForResult.front();
+ }
+ else {
+ aResultShape = GeomAlgoAPI_CompoundBuilder::compound(aShapesForResult);
+ }
+ }
+
+ GeomAPI_ShapeIterator aShapeIt(aResultShape);
+ if (aShapeIt.more() || aResultShape->shapeType() == GeomAPI_Shape::VERTEX) {
+ std::shared_ptr<ModelAPI_ResultBody> aResultBody;
+
+ if (theResultCompound) { // store BOP result to the compound
+ std::shared_ptr<GeomAlgoAPI_ShapeBuilder> aBuilder(new GeomAlgoAPI_ShapeBuilder);
+ aBuilder->add(theResultCompound, aResultShape);
+ aMakeShapeList->appendAlgo(aBuilder);
+ }
+ else { // create a separate ResultBody
+ aResultBody = document()->createBody(data(), theResultIndex);
+
+ ListOfShape aCompoundList;
+ aCompoundList.push_back(theCompound);
+ FeaturesPlugin_Tools::loadModifiedShapes(aResultBody,
+ aCompoundList,
+ theTools,
+ aMakeShapeList,
+ aResultShape);
+ setResult(aResultBody, theResultIndex);
+ ++theResultIndex;
+ }
+
+ FeaturesPlugin_Tools::ResultBaseAlgo aRBA;
+ aRBA.resultBody = aResultBody;
+ aRBA.baseShape = theCompound;
+ aRBA.makeShape = aMakeShapeList;
+ theResultBaseAlgoList.push_back(aRBA);
+ theResultShapesList.push_back(aResultShape);
+ }
+ return true;
+}
+
+//==================================================================================================
+GeomShapePtr FeaturesPlugin_VersionedBoolean::keepUnusedSubsOfCompound(
+ const GeomShapePtr& theResult,
+ const ObjectHierarchy& theObjectsHierarchy,
+ const ObjectHierarchy& theToolsHierarchy,
+ std::shared_ptr<GeomAlgoAPI_MakeShapeList> theMakeShapeList)
+{
+ ListOfShape aCompounds;
+ theObjectsHierarchy.CompoundsOfUnusedObjects(aCompounds);
+ theToolsHierarchy.CompoundsOfUnusedObjects(aCompounds);
+
+ GeomShapePtr aResultShape = theResult;
+ if (!aCompounds.empty()) {
+ aResultShape = aCompounds.front();
+ aCompounds.pop_front();
+
+ std::shared_ptr<GeomAlgoAPI_ShapeBuilder> aBuilder(new GeomAlgoAPI_ShapeBuilder);
+ for (ListOfShape::iterator anIt = aCompounds.begin(); anIt != aCompounds.end(); ++anIt) {
+ for (GeomAPI_ShapeIterator aSub(*anIt); aSub.more(); aSub.next())
+ aBuilder->add(aResultShape, aSub.current());
+ }
+
+ if (theResult)
+ aBuilder->add(aResultShape, theResult);
+
+ theMakeShapeList->appendAlgo(aBuilder);
+ }
+ return aResultShape;
+}
+
+//=================================================================================================
+int FeaturesPlugin_VersionedBoolean::version()
+{
+ AttributeIntegerPtr aVersionAttr = integer(VERSION_ID());
+ int aVersion = 0;
+ if (aVersionAttr && aVersionAttr->isInitialized())
+ aVersion = aVersionAttr->value();
+ return aVersion;
+}
+
+//=================================================================================================
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::AddObject(const GeomShapePtr& theObject)
+{
+ myObjects.push_back(theObject);
+}
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::AddParent(const GeomShapePtr& theShape,
+ const GeomShapePtr& theParent)
+{
+ myParent[theShape] = theParent;
+
+ MapShapeToIndex::iterator aFound = myParentIndices.find(theParent);
+ size_t anIndex = myParentIndices.size();
+ if (aFound == myParentIndices.end()) {
+ myParentIndices[theParent] = anIndex;
+ mySubshapes.push_back(ShapeAndSubshapes(theParent, ListOfShape()));
+ } else
+ anIndex = aFound->second;
+
+ mySubshapes[anIndex].second.push_back(theShape);
+}
+
+GeomShapePtr FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Parent(const GeomShapePtr& theShape,
+ bool theMarkProcessed)
+{
+ MapShapeToParent::const_iterator aFound = myParent.find(theShape);
+ GeomShapePtr aParent;
+ if (aFound != myParent.end()) {
+ aParent = aFound->second;
+ if (theMarkProcessed) {
+ // mark the parent and all its subs as processed by Boolean algorithm
+ myProcessedObjects.insert(aParent);
+ const ListOfShape& aSubs = mySubshapes[myParentIndices[aParent]].second;
+ for (ListOfShape::const_iterator anIt = aSubs.begin(); anIt != aSubs.end(); ++anIt)
+ myProcessedObjects.insert(*anIt);
+ }
+ }
+ return aParent;
+}
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::ObjectsByType(
+ ListOfShape& theShapesByType,
+ ListOfShape& theOtherShapes,
+ const GeomAPI_Shape::ShapeType theMinType,
+ const GeomAPI_Shape::ShapeType theMaxType) const
+{
+ if (theMinType > theMaxType)
+ return ObjectsByType(theShapesByType, theOtherShapes, theMaxType, theMinType);
+
+ // no need to select objects if whole range is specified
+ if (theMinType == GeomAPI_Shape::COMPOUND && theMaxType == GeomAPI_Shape::SHAPE) {
+ theShapesByType.insert(theShapesByType.end(), myObjects.begin(), myObjects.end());
+ return;
+ }
+
+ for (ListOfShape::const_iterator anIt = myObjects.begin(); anIt != myObjects.end(); ++anIt) {
+ GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
+ if (aType >= theMinType && aType <= theMaxType)
+ theShapesByType.push_back(*anIt);
+ else
+ theOtherShapes.push_back(*anIt);
+ }
+}
+
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::SplitCompound(const GeomShapePtr& theCompShape,
+ ListOfShape& theUsed,
+ ListOfShape& theNotUsed) const
+{
+ theUsed.clear();
+ theNotUsed.clear();
+
+ MapShapeToIndex::const_iterator aFoundIndex = myParentIndices.find(theCompShape);
+ if (aFoundIndex == myParentIndices.end())
+ return; // no such shape
+
+ theUsed = mySubshapes[aFoundIndex->second].second;
+ SetOfShape aSubsSet;
+ aSubsSet.insert(theUsed.begin(), theUsed.end());
+
+ for (GeomAPI_ShapeIterator anExp(theCompShape); anExp.more(); anExp.next()) {
+ GeomShapePtr aCurrent = anExp.current();
+ if (aSubsSet.find(aCurrent) == aSubsSet.end())
+ theNotUsed.push_back(aCurrent);
+ }
+}
+
+bool FeaturesPlugin_VersionedBoolean::ObjectHierarchy::IsEmpty() const
+{
+ return myObjects.empty();
+}
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::CompoundsOfUnusedObjects(
+ ListOfShape& theDestination) const
+{
+ SetOfShape aUsedObjects;
+ aUsedObjects.insert(myObjects.begin(), myObjects.end());
+
+ for (std::vector<ShapeAndSubshapes>::const_iterator anIt = mySubshapes.begin();
+ anIt != mySubshapes.end(); ++anIt) {
+ MapShapeToParent::const_iterator aParent = myParent.find(anIt->first);
+ if ((aParent == myParent.end() || !aParent->second) &&
+ anIt->first->shapeType() == GeomAPI_Shape::COMPOUND) {
+ // this is a top-level compound
+ GeomShapePtr aCompound = collectUnusedSubs(anIt->first, aUsedObjects);
+ // add to destination non-empty compounds only
+ if (aCompound)
+ theDestination.push_back(aCompound);
+ }
+ }
+}
+
+GeomShapePtr FeaturesPlugin_VersionedBoolean::ObjectHierarchy::collectUnusedSubs(
+ GeomShapePtr theTopLevelCompound,
+ const SetOfShape& theUsed) const
+{
+ GeomShapePtr aResult = theTopLevelCompound->emptyCopied();
+ bool isResultEmpty = true;
+
+ for (GeomAPI_ShapeIterator aSub(theTopLevelCompound); aSub.more(); aSub.next()) {
+ GeomShapePtr aCurrent = aSub.current();
+ if (theUsed.find(aCurrent) != theUsed.end())
+ continue; // already used
+
+ MapShapeToIndex::const_iterator aFoundIndex = myParentIndices.find(aCurrent);
+ if (aCurrent->shapeType() > GeomAPI_Shape::COMPOUND ||
+ aFoundIndex == myParentIndices.end()) {
+ bool isAddShape = true;
+ // check compsolid is fully unused in the Boolean operation
+ if (aCurrent->shapeType() == GeomAPI_Shape::COMPSOLID) {
+ for (GeomAPI_ShapeIterator anIt(aCurrent); isAddShape && anIt.more(); anIt.next())
+ isAddShape = theUsed.find(anIt.current()) == theUsed.end();
+ }
+
+ if (isAddShape) { // low-level shape, add it
+ GeomAlgoAPI_ShapeBuilder::add(aResult, aCurrent);
+ isResultEmpty = false;
+ }
+ } else {
+ GeomShapePtr aCompound = collectUnusedSubs(aCurrent, theUsed);
+ if (aCompound) {
+ GeomAlgoAPI_ShapeBuilder::add(theTopLevelCompound, aCompound);
+ isResultEmpty = false;
+ }
+ }
+ }
+ return isResultEmpty ? GeomShapePtr() : aResult;
+}
+
+
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Begin()
+{
+ return Iterator(this);
+}
+
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator FeaturesPlugin_VersionedBoolean::ObjectHierarchy::End()
+{
+ return Iterator(this, false);
+}
+
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::Iterator(
+ FeaturesPlugin_VersionedBoolean::ObjectHierarchy* theHierarchy, bool isBegin)
+ : myHierarchy(theHierarchy)
+{
+ if (isBegin) {
+ myObject = myHierarchy->myObjects.begin();
+ SkipAlreadyProcessed();
+ } else
+ myObject = myHierarchy->myObjects.end();
+}
+
+void FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::SkipAlreadyProcessed()
+{
+ while (myObject != myHierarchy->myObjects.end() &&
+ myHierarchy->myProcessedObjects.find(*myObject) != myHierarchy->myProcessedObjects.end())
+ ++myObject;
+}
+
+bool FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::operator==(const Iterator& theOther) const
+{
+ return myObject == theOther.myObject;
+}
+
+bool FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::operator!=(const Iterator& theOther) const
+{
+ return !operator==(theOther);
+}
+
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator&
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::operator++()
+{
+ ++myObject;
+ SkipAlreadyProcessed();
+ return *this;
+}
+
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator
+FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::operator++(int)
+{
+ Iterator aCurrent;
+ aCurrent.myHierarchy = myHierarchy;
+ aCurrent.myObject = myObject;
+
+ // increase iterator
+ operator++();
+
+ return aCurrent;
+}
+
+GeomShapePtr FeaturesPlugin_VersionedBoolean::ObjectHierarchy::Iterator::operator*() const
+{
+ myHierarchy->myProcessedObjects.insert(*myObject);
+ return *myObject;
+}