public virtual SLExpression Visit(SLExpression expression)
{
var expType = expression.GetType().Name;
switch (expType)
{
case "DrawingExpression": return(VisitDrawing((DrawingExpression)expression));
case "PolygonFromLinesExpression": return(VisitPolygonFromLines((PolygonFromLinesExpression)expression));
case "PolygonFromPointsExpression": return(VisitPolygonFromPoints((PolygonFromPointsExpression)expression));
case "IdentifiedLineExpression": return(VisitIdentifiedLine((IdentifiedLineExpression)expression));
case "TwoPointsLineExpression": return(VisitTwoPointsLine((TwoPointsLineExpression)expression));
case "HalfwayPointExpression": return(VisitHalfwayPoint((HalfwayPointExpression)expression));
case "CoordinatesPointExpression": return(VisitCoordinatesPoint((CoordinatesPointExpression)expression));
case "LineExtremityPointExpression": return(VisitLineExtremityPoint((LineExtremityPointExpression)expression));
case "LineReferenceExpression": return(VisitLineReference((LineReferenceExpression)expression));
case "LinesIntersectionPointExpression": return(VisitLinesIntersectionPoint((LinesIntersectionPointExpression)expression));
case "EquidistantPointExpression": return(VisitEquidistantPoint((EquidistantPointExpression)expression));
case "SideLengthAndPositionSquareExpression": return(VisitSideLengthAndPositionSquare((SideLengthAndPositionSquareExpression)expression));
case "DefinedByTwoPointsPointExpression": return(VisitDefinedByTwoPointsPoint((DefinedByTwoPointsPointExpression)expression));
default: throw new NotImplementedException(expType);
}
}
public XDocument Convert(SLExpression expression)
{
PolygonsFromLines = new List <PolygonFromLinesExpression>();
PolygonsFromPoints = new List <PolygonFromPointsExpression>();
this.Visit(expression);
var doc = new XDocument(
new XElement("svg",
new XElement("rect",
new XAttribute("x", 0),
new XAttribute("y", 0),
new XAttribute("width", 1),
new XAttribute("height", 1),
new XAttribute("fill", "none"),
new XAttribute("stroke", "blue"),
new XAttribute("stroke-width", "0.001")),
PolygonsFromPoints.Select(ConvertPolygon).ToArray(),
PolygonsFromLines.Select(ConvertPolygon).ToArray(),
new XAttribute("viewBox", "0 0 1 1")));
return(doc);
}
