private string GetShapeName(ShapeArgumentsParser shapeArgumentsParser)
{
if (!shapeArgumentsParser.HasNext)
{
throw new ApplicationException("Wrong Amount of arguments");
}
return(shapeArgumentsParser.GetNextAsString());
}
private static Rectangle CreateRectangle(ShapeArgumentsParser shapeArgumentsParser)
{
if (shapeArgumentsParser.NextArgumentsCount != 5)
{
return(null);
}
ColorType shapeColor = shapeArgumentsParser.GetNextAsColor();
var leftTop = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
var rightBottom = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
return(new Rectangle(leftTop, rightBottom, shapeColor));
}
private static Ellipse CreateEllipse(ShapeArgumentsParser shapeArgumentsParser)
{
if (shapeArgumentsParser.NextArgumentsCount != 5)
{
throw new ApplicationException("Ellipse is not created. Wrong count of parametrs");
}
ColorType shapeColor = shapeArgumentsParser.GetNextAsColor();
var center = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
double horizontalRadius = shapeArgumentsParser.GetNextAsDouble();
double verticalRadius = shapeArgumentsParser.GetNextAsDouble();
return(new Ellipse(center, horizontalRadius, verticalRadius, shapeColor));
}
private static RegularPolygon CreateRegularPolygon(ShapeArgumentsParser shapeArgumentsParser)
{
if (shapeArgumentsParser.NextArgumentsCount != 5)
{
throw new ApplicationException("RegularPolygon is not created. Wrong count of parametrs");
}
ColorType shapeColor = shapeArgumentsParser.GetNextAsColor();
int vertexCount = shapeArgumentsParser.GetNextAsInt();
double radius = shapeArgumentsParser.GetNextAsDouble();
var center = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
return(new RegularPolygon(vertexCount, radius, center, shapeColor));
}
private static Triangle CreateTriangle(ShapeArgumentsParser shapeArgumentsParser)
{
if (shapeArgumentsParser.NextArgumentsCount != 7)
{
throw new ApplicationException("Triangle is not created. Wrong count of parametrs");
}
ColorType shapeColor = shapeArgumentsParser.GetNextAsColor();
var vertex1 = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
var vertex2 = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
var vertex3 = new Point(shapeArgumentsParser.GetNextAsDouble(), shapeArgumentsParser.GetNextAsDouble());
return(new Triangle(vertex1, vertex2, vertex3, shapeColor));
}
public BaseShape CreateShape(string shapeDescription)
{
string[] shapeDescriptionArguments = shapeDescription.Split(separator: " ");
var shapeArgumentsParser = new ShapeArgumentsParser(shapeDescriptionArguments);
string shapeName = GetShapeName(shapeArgumentsParser);
if (!_shapeCreatorByTypeName.ContainsKey(shapeName))
{
throw new ApplicationException("Such shape not exist");
}
try
{
return(_shapeCreatorByTypeName[shapeName](shapeArgumentsParser));
}
catch (Exception ex)
{
throw new ApplicationException(ex.Message);
}
}
