internal static StepRepresentationItem CreateFromSyntaxList(StepBinder binder, StepSyntaxList syntaxList)
        {
            syntaxList.AssertListCount(3);
            var surface = new StepCylindricalSurface();

            surface.Name = syntaxList.Values[0].GetStringValue();
            binder.BindValue(syntaxList.Values[1], v => surface.Position = v.AsType <StepAxis2Placement3D>());
            surface.Radius = syntaxList.Values[2].GetRealVavlue();
            return(surface);
        }
        internal static StepRepresentationItem FromTypedParameter(StepBinder binder, StepItemSyntax itemSyntax)
        {
            StepRepresentationItem item = null;

            if (itemSyntax is StepSimpleItemSyntax)
            {
                var simpleItem = (StepSimpleItemSyntax)itemSyntax;
                switch (simpleItem.Keyword)
                {
                case StepItemTypeExtensions.AdvancedFaceText:
                    item = StepAdvancedFace.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.Axis2Placement2DText:
                    item = StepAxis2Placement2D.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.Axis2Placement3DText:
                    item = StepAxis2Placement3D.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.BSplineCurveWithKnotsText:
                    item = StepBSplineCurveWithKnots.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.CartesianPointText:
                    item = StepCartesianPoint.CreateFromSyntaxList(simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.CircleText:
                    item = StepCircle.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.CylindricalSurfaceText:
                    item = StepCylindricalSurface.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.DirectionText:
                    item = StepDirection.CreateFromSyntaxList(simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.EdgeCurveText:
                    item = StepEdgeCurve.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.EdgeLoopText:
                    item = StepEdgeLoop.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.EllipseText:
                    item = StepEllipse.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.FaceBoundText:
                    item = StepFaceBound.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.FaceOuterBoundText:
                    item = StepFaceOuterBound.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.LineText:
                    item = StepLine.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.OrientedEdgeText:
                    item = StepOrientedEdge.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.PlaneText:
                    item = StepPlane.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.VectorText:
                    item = StepVector.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                case StepItemTypeExtensions.VertexPointText:
                    item = StepVertexPoint.CreateFromSyntaxList(binder, simpleItem.Parameters);
                    break;

                default:
                    if (UnsupportedItemTypes.Add(simpleItem.Keyword))
                    {
                        Debug.WriteLine($"Unsupported item {simpleItem.Keyword} at {simpleItem.Line}, {simpleItem.Column}");
                    }
                    break;
                }
            }
            else
            {
                // TODO:
            }

            return(item);
        }