/// <summary>
/// Reads the points from the specified <see cref="Stream"/> and collects their specifications, such as type, tolerance, segment and metadata.
/// </summary>
/// <param name="formplotType">Type of the formplot.</param>
/// <param name="metadataReader">The metadata reader.</param>
/// <param name="pointdataStream">The pointdata stream.</param>
/// <returns></returns>
private static Point[] ReadPoints(FormplotTypes formplotType, XmlReader metadataReader, Stream pointdataStream)
{
if (metadataReader == null)
{
throw new ArgumentNullException(nameof(metadataReader));
}
if (pointdataStream == null)
{
throw new ArgumentNullException(nameof(pointdataStream));
}
var count = 0;
var propertyLists = new Dictionary <Property, RangeList>();
var statelists = new Dictionary <PointState, RangeList>();
var segmentlists = new Dictionary <Segment, RangeList>();
var tolerancelists = new Dictionary <Tolerance, RangeList>();
while (metadataReader.Read() && metadataReader.NodeType != XmlNodeType.EndElement)
{
if (metadataReader.IsEmptyElement)
{
continue;
}
switch (metadataReader.Name)
{
case "Count":
count = XmlConvert.ToInt32(metadataReader.ReadString());
break;
case "Properties":
while (metadataReader.Read() && metadataReader.NodeType != XmlNodeType.EndElement)
{
switch (metadataReader.Name)
{
case "Property":
var points = RangeList.TryParseOrEmpty(metadataReader.GetAttribute("Points"));
var property = Property.Deserialize(metadataReader);
propertyLists[property] = points;
break;
}
}
break;
case "States":
while (metadataReader.Read() && metadataReader.NodeType != XmlNodeType.EndElement)
{
switch (metadataReader.Name)
{
case "State":
var points = RangeList.TryParseOrEmpty(metadataReader.GetAttribute("Points"));
var text = metadataReader.ReadString();
var value = ( PointState )Enum.Parse(typeof(PointState), text);
statelists[value] = points;
break;
}
}
break;
case "Segments":
while (metadataReader.Read() && metadataReader.NodeType != XmlNodeType.EndElement)
{
switch (metadataReader.Name)
{
case "Segment":
var points = RangeList.TryParseOrEmpty(metadataReader.GetAttribute("Points"));
var typeString = metadataReader.GetAttribute("Type");
SegmentTypes type;
Enum.TryParse(typeString, out type);
var name = metadataReader.ReadString();
var segment = new Segment(name, type);
segmentlists[segment] = points;
break;
}
}
break;
case "Tolerances":
var isTolerancesElement = false;
while (metadataReader.NodeType != XmlNodeType.EndElement || !isTolerancesElement)
{
if (metadataReader.NodeType == XmlNodeType.Element && metadataReader.Name.Equals("Tolerance"))
{
var points = RangeList.TryParseOrEmpty(metadataReader.GetAttribute("Points"));
var tolerance = Tolerance.Deserialize(metadataReader);
tolerancelists[tolerance] = points;
metadataReader.Read();
}
else
{
metadataReader.Read();
}
isTolerancesElement = metadataReader.Name.Equals("Tolerances");
}
break;
}
}
var result = new List <Point>();
for (var index = 0; index < count; index++)
{
var point = Point.Create(formplotType);
point.ReadFromStream(pointdataStream, index);
result.Add(point);
}
SetProperties(propertyLists, result);
SetStates(statelists, result);
SetSegment(segmentlists, result);
SetTolerance(tolerancelists, result);
return(result.ToArray());
}
