OCC_VER Compatibility

src/ifcgeom/kernels/opencascade/IfcGeomTree.h

@@ -38,6 +38,7 @@
 #include <BRepClass3d_SolidClassifier.hxx>
 
 #include <Standard_Macro.hxx>
+#include <Standard_Version.hxx>
 #include <TopoDS_Shape.hxx>
 #include <Standard_Integer.hxx>
 #include <TopTools_ShapeMapHasher.hxx>
@@ -1932,7 +1933,11 @@ namespace IfcGeom {
             BVH_Triangulation<double, 3> triangulation(builder);
 
             for (int i = 0; i < elem_verts.size(); i += 3) {
+#if OCC_VERSION_HEX >= 0x80000
                 triangulation.Vertices.Append(BVH_Vec3d(elem_verts[i], elem_verts[i + 1], elem_verts[i + 2]));
+#else
+                triangulation.Vertices.push_back(BVH_Vec3d(elem_verts[i], elem_verts[i + 1], elem_verts[i + 2]));
+#endif
                 verts.push_back(gp_Pnt(elem_verts[i], elem_verts[i + 1], elem_verts[i + 2]));
             }
 
@@ -1944,7 +1949,11 @@ namespace IfcGeom {
                 gp_Vec dir2(v1_pnt, v3_pnt);
                 gp_Vec cross_product = dir1.Crossed(dir2);
                 if (cross_product.Magnitude() > Precision::Confusion()) {
+#if OCC_VERSION_HEX >= 0x80000
                     triangulation.Elements.Append(BVH_Vec4i(
+#else
+                    triangulation.Elements.push_back(BVH_Vec4i(
+#endif
                         elem_faces[i], elem_faces[i + 1], elem_faces[i + 2], original_tris_index
                     ));
                     original_tris_index++;

src/serializers/SvgSerializer.cpp

@@ -42,9 +42,14 @@
 #include <BRepAlgoAPI_Section.hxx>
 #include <ShapeAnalysis_FreeBounds.hxx>
 
+#include <Standard_Version.hxx>
+#if OCC_VERSION_HEX >= 0x80000
 #include <Standard_Macro.hxx>
 #include <TopoDS_Shape.hxx>
 #include <NCollection_HSequence.hxx>
+#else
+#include <TopTools_HSequenceOfShape.hxx>
+#endif
 
 #include <TopExp.hxx>
 
@@ -57,7 +62,6 @@
 #include <Geom_Circle.hxx>
 #include <Geom_Ellipse.hxx>
 #include <gp_Ax22d.hxx>
-#include <Standard_Version.hxx>
 #include <GeomAPI.hxx>
 #include <TopoDS_Wire.hxx>
 
@@ -1438,8 +1442,13 @@ void SvgSerializer::write(const geometry_data& data) {
 				result = make_transform_mirror_.Shape();
 			}
 
+#if OCC_VERSION_HEX >= 0x80000
 			opencascade::handle<NCollection_HSequence<TopoDS_Shape>> edges = new NCollection_HSequence<TopoDS_Shape>();
 			opencascade::handle<NCollection_HSequence<TopoDS_Shape>> wires = new NCollection_HSequence<TopoDS_Shape>();
+#else
+			Handle(TopTools_HSequenceOfShape) edges = new TopTools_HSequenceOfShape();
+			Handle(TopTools_HSequenceOfShape) wires = new TopTools_HSequenceOfShape();
+#endif
 			{
 				TopExp_Explorer exp(result, TopAbs_EDGE);
 				for (; exp.More(); exp.Next()) {

src/serializers/TtlWktSerializer.cpp

@@ -22,9 +22,14 @@
 #ifdef IFOPSH_WITH_OPENCASCADE
 #include "../ifcgeom/kernels/opencascade/OpenCascadeConversionResult.h"
 
+#include <Standard_Version.hxx>
+#if OCC_VERSION_HEX >= 0x80000
 #include <Standard_Macro.hxx>
 #include <TopoDS_Shape.hxx>
 #include <NCollection_HSequence.hxx>
+#else
+#include <TopTools_HSequenceOfShape.hxx>
+#endif
 
 #include <BRepBuilderAPI_Transform.hxx>
 #include <BRepBndLib.hxx>
@@ -411,13 +416,21 @@ void TtlWktSerializer::write(const IfcGeom::BRepElement* brep_obj) {
     for (int iter = 0; iter < 10; ++iter) {
 
         gp_Pln pln(gp_Pnt(0, 0, zmin + section_height + iter * (height - 1.) / 10.), gp::DZ());
+#if OCC_VERSION_HEX >= 0x80000
         opencascade::handle<NCollection_HSequence<TopoDS_Shape>> wires = new NCollection_HSequence<TopoDS_Shape>();
+#else
+        Handle(TopTools_HSequenceOfShape) wires = new TopTools_HSequenceOfShape();
+#endif
 
         size_t N = 0;
         TopoDS_Iterator it(compound);
         // Iterate over components of compound to have better chance of matching section edges to closed wires
         for (; it.More(); it.Next()) {
+#if OCC_VERSION_HEX >= 0x80000
             opencascade::handle<NCollection_HSequence<TopoDS_Shape>> edges = new NCollection_HSequence<TopoDS_Shape>();
+#else
+            Handle(TopTools_HSequenceOfShape) edges = new TopTools_HSequenceOfShape();
+#endif
             TopoDS_Shape result = BRepAlgoAPI_Section(it.Value(), pln);
 
             {