internal static Parameter ParseParameter(XmlNode node)
{
var param = new Parameter();
if (node != null)
{
foreach (var child in node.ChildNodes.Cast <XmlNode>())
{
switch (child.Name)
{
case "ScalarParameter":
param.Add(child.Attributes["name"].Value, DataParser.ParseScalar(child.FirstChild).Resolve(null));
break;
case "VectorParameter":
param.Add(child.Attributes["name"].Value, DataParser.ParseVector(child.FirstChild).Resolve(null));
break;
case "MatrixParameter":
param.Add(child.Attributes["name"].Value, DataParser.ParseMatrix(child.FirstChild).Resolve(null));
break;
default:
throw new BadDefinitionException($"Error while parsing parameters. Encountered unknown parameter type \"{child.Name}\".");
}
}
}
return(param);
}
internal static ElementFactoryEntry Parse(XmlDocument document)
{
var entry = new ElementFactoryEntry();
var root = document.DocumentElement;
// Load the header data
entry.Name = root.SelectSingleNode("Name").InnerText;
entry.Author = root.SelectSingleNode("Author").InnerText;
entry.Description = root.SelectSingleNode("Description")?.InnerText ?? "";
entry.Url = root.SelectSingleNode("URL")?.InnerText ?? "";
// Load the properties.
var propertyNode = root.SelectSingleNode("Properties");
var massChildrenCount = propertyNode.SelectSingleNode("Mass")?.ChildNodes.Count;
if (massChildrenCount == null || massChildrenCount != 1)
{
throw new BadDefinitionException($"Error during parsing mass property. Either the property is missing, has zero or more the one entry.");
}
entry.MassOperation = DataParser.ParseScalar(propertyNode.SelectSingleNode("Mass").FirstChild);
var inertiaChildrenCount = propertyNode.SelectSingleNode("Inertia")?.ChildNodes.Count;
if (inertiaChildrenCount == null || inertiaChildrenCount != 1)
{
throw new BadDefinitionException($"Error during parsing inertia property. Either the property is missing, has zero or more the one entry.");
}
entry.InertiaOperation = DataParser.ParseMatrix(propertyNode.SelectSingleNode("Inertia").FirstChild);
// Parse frames
entry.Frames = new List <ElementFactoryEntryFrame>();
var framesNode = root.SelectSingleNode("Frames");
if (framesNode != null)
{
foreach (var frame in framesNode.ChildNodes.Cast <XmlNode>())
{
var frameEntry = new ElementFactoryEntryFrame();
frameEntry.Name = frame.Attributes["name"].Value?.ToLower();
frameEntry.Reference = frame.Attributes["reference"]?.Value?.ToLower() ?? "origin";
var translationNode = frame.SelectSingleNode("Translation");
if (translationNode != null)
{
frameEntry.TranslationOperation = DataParser.ParseVector(translationNode.FirstChild);
}
else
{
frameEntry.TranslationOperation = new ZeroVectorOperation(3);
}
var rotationNode = frame.SelectSingleNode("Rotation");
if (rotationNode != null)
{
frameEntry.RotationOperation = DataParser.ParseMatrix(rotationNode.FirstChild);
}
else
{
frameEntry.RotationOperation = new IdentityMatrixOperation(3);
}
entry.Frames.Add(frameEntry);
}
}
return(entry);
}
