/// <summary>
/// Deserializes formplot data.
/// </summary>
/// <param name="metaDataReader">An XML reader to the header xml.</param>
/// <param name="pointDataStream">A stream of binary formplot point data.</param>
/// <returns></returns>
private static Formplot Deserialize(XmlReader metaDataReader, Stream pointDataStream)
{
if (metaDataReader == null)
{
throw new ArgumentNullException(nameof(metaDataReader));
}
var creatorSoftware = "unknown";
var creatorSoftwareVersion = new Version(0, 0);
var properties = new List <Property>();
var tolerance = default(Tolerance);
var defaultErrorScaling = default(double?);
var projectionAxis = ProjectionAxis.None;
var nominal = default(Geometry);
var actual = default(Geometry);
var points = default(Point[]);
Enum.TryParse(metaDataReader.GetAttribute("Type"), out FormplotTypes formplotType);
while (metaDataReader.Read() && metaDataReader.NodeType != XmlNodeType.EndElement)
{
switch (metaDataReader.Name)
{
case "CreatorSoftware":
creatorSoftware = metaDataReader.ReadString();
break;
case "CreatorSoftwareVersion":
creatorSoftwareVersion = new Version(metaDataReader.ReadString());
break;
case "Property":
properties.Add(Property.Deserialize(metaDataReader));
break;
case "Tolerance":
tolerance = Tolerance.Deserialize(metaDataReader);
break;
case "ErrorScaling":
defaultErrorScaling = XmlConvert.ToDouble(metaDataReader.ReadString());
break;
case "ProjectionAxis":
if (formplotType == FormplotTypes.Straightness)
{
projectionAxis = ( ProjectionAxis )Enum.Parse(typeof(ProjectionAxis), metaDataReader.ReadString());
}
else
{
throw new NotSupportedException("only straightness formplot data supports a projection axis");
}
break;
case "Geometry":
var geometryString = metaDataReader.GetAttribute("Type");
if (EnumParser <GeometryTypes> .TryParse(geometryString, out var geometryType))
{
if (geometryType != Geometry.GetGeometryTypeFromFormplotType(formplotType))
{
throw new NotSupportedException($"geometry type \"{geometryType}\" for plot type \"{formplotType}\" is not supported");
}
while (metaDataReader.Read() && metaDataReader.NodeType != XmlNodeType.EndElement)
{
switch (metaDataReader.Name)
{
case "Nominal":
nominal = Geometry.DeserializeGeometry(metaDataReader, geometryType);
break;
case "Actual":
actual = Geometry.DeserializeGeometry(metaDataReader, geometryType);
break;
}
}
}
else
{
throw new NotSupportedException($"geometry type \"{geometryString}\" is not supported");
}
break;
case "Points":
points = ReadPoints(formplotType, metaDataReader, pointDataStream);
break;
}
}
var plot = CreateFormplot(formplotType);
plot.CreatorSoftware = creatorSoftware;
plot.CreatorSoftwareVersion = creatorSoftwareVersion;
plot.Properties = properties.ToArray();
plot.Tolerance = tolerance;
plot.DefaultErrorScaling = defaultErrorScaling;
plot.ProjectionAxis = projectionAxis;
plot.Nominal = nominal;
plot.Actual = actual;
plot.Points = points;
return(plot);
}
/// <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());
}
