Geometry serialization (#71)

Serialize geometry to IFC instances directly from a TopoDS_Shape

src/ifcwrap/IfcGeomWrapper.i

@@ -389,6 +389,34 @@ struct ShapeRTTI : public boost::static_visitor<PyObject*>
 		}
 		return boost::variant<IfcGeom::Element<double>*, IfcGeom::Representation::Representation*>();
 	}
+
+	IfcParse::IfcLateBoundEntity* serialise(const std::string& s, bool advanced=true) {
+		std::stringstream stream(s);
+		BRepTools_ShapeSet shapes;
+		shapes.Read(stream);
+		const TopoDS_Shape& shp = shapes.Shape(shapes.NbShapes());
+
+		const IfcUtil::IfcBaseClass* e = IfcGeom::serialise(shp, advanced);
+		if (e) {
+			return new IfcParse::IfcLateBoundEntity(e->entity);
+		} else {
+			return 0;
+		}
+	}
+
+	IfcParse::IfcLateBoundEntity* tesselate(const std::string& s, double d) {
+		std::stringstream stream(s);
+		BRepTools_ShapeSet shapes;
+		shapes.Read(stream);
+		const TopoDS_Shape& shp = shapes.Shape(shapes.NbShapes());
+
+		const IfcUtil::IfcBaseClass* e = IfcGeom::tesselate(shp, d);
+		if (e) {
+			return new IfcParse::IfcLateBoundEntity(e->entity);
+		} else {
+			return 0;
+		}
+	}
 %}
 
 namespace IfcGeom {

src/ifcwrap/IfcPython.i

@@ -76,6 +76,8 @@
 	#else
 	#include "../ifcparse/Ifc2x3-latebound.h"
 	#endif
+
+	#include <BRepTools_ShapeSet.hxx>
 %}
 
 %include "utils/type_conversion.i"