+
+//=============================================================================
+/*!
+ * GetShape()
+ */
+//=============================================================================
+
+static TopoDS_Shape GetShape(const Handle(Standard_Transient) &theEnti,
+ const Handle(Transfer_TransientProcess) &theTP)
+{
+ TopoDS_Shape aResult;
+ Handle(Transfer_Binder) aBinder = theTP->Find(theEnti);
+
+ if (aBinder.IsNull()) {
+ return aResult;
+ }
+
+ aResult = TransferBRep::ShapeResult(aBinder);
+
+ return aResult;
+}
+
+//=============================================================================
+/*!
+ * GetLabel()
+ */
+//=============================================================================
+
+static TDF_Label GetLabel(const Handle(Standard_Transient) &theEnti,
+ const TDF_Label &theShapeLabel,
+ const TopoDS_Shape &aShape)
+{
+ TDF_Label aResult;
+
+ if (theEnti->IsKind
+ (STANDARD_TYPE(StepGeom_GeometricRepresentationItem))) {
+ // check all named shapes using iterator
+ TDF_ChildIDIterator anIt
+ (theShapeLabel, TDataStd_Name::GetID(), Standard_True);
+
+ for (; anIt.More(); anIt.Next()) {
+ Handle(TDataStd_Name) nameAttr =
+ Handle(TDataStd_Name)::DownCast(anIt.Value());
+
+ if (nameAttr.IsNull()) {
+ continue;
+ }
+
+ TDF_Label aLab = nameAttr->Label();
+ Handle(TNaming_NamedShape) shAttr;
+
+ if (aLab.FindAttribute(TNaming_NamedShape::GetID(), shAttr) &&
+ shAttr->Get().IsEqual(aShape)) {
+ aResult = aLab;
+ }
+ }
+ }
+
+ // create label and set shape
+ if (aResult.IsNull()) {
+ TDF_TagSource aTag;
+
+ aResult = aTag.NewChild(theShapeLabel);
+
+ TNaming_Builder tnBuild (aResult);
+
+ tnBuild.Generated(aShape);
+ }
+
+ return aResult;
+}
+
+//=============================================================================
+/*!
+ * StoreName()
+ */
+//=============================================================================
+
+static void StoreName(const Handle(Standard_Transient) &theEnti,
+ const TopTools_IndexedMapOfShape &theIndices,
+ const Handle(Transfer_TransientProcess) &theTP,
+ const TDF_Label &theShapeLabel)
+{
+ Handle(TCollection_HAsciiString) aName;
+
+ if (theEnti->IsKind(STANDARD_TYPE(StepShape_TopologicalRepresentationItem)) ||
+ theEnti->IsKind(STANDARD_TYPE(StepGeom_GeometricRepresentationItem))) {
+ aName = Handle(StepRepr_RepresentationItem)::DownCast(theEnti)->Name();
+ } else {
+ Handle(StepBasic_ProductDefinition) PD =
+ Handle(StepBasic_ProductDefinition)::DownCast(theEnti);
+
+ if (PD.IsNull() == Standard_False) {
+ Handle(StepBasic_Product) Prod = PD->Formation()->OfProduct();
+ aName = Prod->Name();
+ }
+ }
+
+ bool isValidName = false;
+
+ if (aName.IsNull() == Standard_False) {
+ isValidName = true;
+
+ if (aName->UsefullLength() < 1) {
+ isValidName = false;
+ } else if (aName->UsefullLength() == 4 &&
+ toupper (aName->Value(1)) == 'N' &&
+ toupper (aName->Value(2)) == 'O' &&
+ toupper (aName->Value(3)) == 'N' &&
+ toupper (aName->Value(4)) == 'E') {
+ // skip 'N0NE' name
+ isValidName = false;
+ } else {
+ // special check to pass names like "Open CASCADE STEP translator 6.3 1"
+ TCollection_AsciiString aSkipName ("Open CASCADE STEP translator");
+
+ if (aName->Length() >= aSkipName.Length()) {
+ if (aName->String().SubString
+ (1, aSkipName.Length()).IsEqual(aSkipName)) {
+ isValidName = false;
+ }
+ }
+ }
+ }
+
+ if (isValidName) {
+ TCollection_ExtendedString aNameExt (aName->ToCString());
+
+ // find target shape
+ TopoDS_Shape S = GetShape(theEnti, theTP);
+
+ if (S.IsNull()) {
+ return;
+ }
+
+ // as PRODUCT can be included in the main shape
+ // several times, we look here for all iclusions.
+ Standard_Integer isub, nbSubs = theIndices.Extent();
+
+ for (isub = 1; isub <= nbSubs; isub++) {
+ TopoDS_Shape aSub = theIndices.FindKey(isub);
+
+ if (aSub.IsPartner(S)) {
+ TDF_Label L = GetLabel(theEnti, theShapeLabel, aSub);
+
+ // set a name
+ TDataStd_Name::Set(L, aNameExt);
+ }
+ }
+ }
+}
+
+//=============================================================================
+/*!
+ * StoreMaterial()
+ */
+//=============================================================================
+
+static void StoreMaterial
+ (const Handle(Standard_Transient) &theEnti,
+ const TopTools_IndexedMapOfShape &theIndices,
+ const Handle(Transfer_TransientProcess) &theTP,
+ const TDF_Label &theShapeLabel)
+{
+ // Treat Product Definition Shape only.
+ Handle(StepRepr_ProductDefinitionShape) aPDS =
+ Handle(StepRepr_ProductDefinitionShape)::DownCast(theEnti);
+ Handle(StepBasic_ProductDefinition) aProdDef;
+
+ if(aPDS.IsNull() == Standard_False) {
+ // Product Definition Shape ==> Product Definition
+ aProdDef = aPDS->Definition().ProductDefinition();
+ }
+
+ if (aProdDef.IsNull() == Standard_False) {
+ // Product Definition ==> Property Definition
+ const Interface_Graph &aGraph = theTP->Graph();
+ Interface_EntityIterator aSubs = aGraph.Sharings(aProdDef);
+ TopoDS_Shape aShape;
+
+ for(aSubs.Start(); aSubs.More(); aSubs.Next()) {
+ Handle(StepRepr_PropertyDefinition) aPropD =
+ Handle(StepRepr_PropertyDefinition)::DownCast(aSubs.Value());
+
+ if(aPropD.IsNull() == Standard_False) {
+ // Property Definition ==> Representation.
+ Interface_EntityIterator aSubs1 = aGraph.Sharings(aPropD);
+
+ for(aSubs1.Start(); aSubs1.More(); aSubs1.Next()) {
+ Handle(StepRepr_PropertyDefinitionRepresentation) aPDR =
+ Handle(StepRepr_PropertyDefinitionRepresentation)::
+ DownCast(aSubs1.Value());
+
+ if(aPDR.IsNull() == Standard_False) {
+ // Property Definition ==> Material Name.
+ Handle(StepRepr_Representation) aRepr = aPDR->UsedRepresentation();
+
+ if(aRepr.IsNull() == Standard_False) {
+ Standard_Integer ir;
+
+ for(ir = 1; ir <= aRepr->NbItems(); ir++) {
+ Handle(StepRepr_RepresentationItem) aRI = aRepr->ItemsValue(ir);
+ Handle(StepRepr_DescriptiveRepresentationItem) aDRI =
+ Handle(StepRepr_DescriptiveRepresentationItem)::DownCast(aRI);
+
+ if(aDRI.IsNull() == Standard_False) {
+ // Get shape from Product Definition
+ Handle(TCollection_HAsciiString) aMatName = aDRI->Name();
+
+ if(aMatName.IsNull() == Standard_False) {
+ TCollection_ExtendedString
+ aMatNameExt (aMatName->ToCString());
+
+ if (aShape.IsNull()) {
+ // Get the shape.
+ aShape = GetShape(aProdDef, theTP);
+
+ if (aShape.IsNull()) {
+ return;
+ }
+ }
+
+ // as PRODUCT can be included in the main shape
+ // several times, we look here for all iclusions.
+ Standard_Integer isub, nbSubs = theIndices.Extent();
+
+ for (isub = 1; isub <= nbSubs; isub++) {
+ TopoDS_Shape aSub = theIndices.FindKey(isub);
+
+ if (aSub.IsPartner(aShape)) {
+ TDF_Label aLabel =
+ GetLabel(aProdDef, theShapeLabel, aSub);
+
+ // set a name
+ TDataStd_Comment::Set(aLabel, aMatNameExt);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+