internal static unsafe NXNode ParseNode(NodeData *ptr, NXNode parent, NXFile file)
{
NodeData nd = *ptr;
string name = file.GetString(nd.NodeNameID);
NXNode ret;
switch (nd.Type)
{
case 0:
ret = new NXNode(name, parent, file, nd.ChildCount, nd.FirstChildID);
break;
case 1:
ret = new NXValuedNode <long>(name, parent, file, nd.Type1Data, nd.ChildCount, nd.FirstChildID);
break;
case 2:
ret = new NXValuedNode <double>(name, parent, file, nd.Type2Data, nd.ChildCount, nd.FirstChildID);
break;
case 3:
ret = new NXStringNode(name, parent, file, nd.TypeIDData, nd.ChildCount, nd.FirstChildID);
break;
case 4:
ret = new NXValuedNode <Point>(name, parent, file, new Point(nd.Type4DataX, nd.Type4DataY), nd.ChildCount, nd.FirstChildID);
break;
case 5:
ret = new NXCanvasNode(name, parent, file, nd.TypeIDData, nd.Type5Width, nd.Type5Height, nd.ChildCount, nd.FirstChildID);
break;
case 6:
ret = new NXMP3Node(name, parent, file, nd.TypeIDData, nd.Type4DataY, nd.ChildCount, nd.FirstChildID);
break;
default:
return(Util.Die <NXNode>(string.Format("NX node has invalid type {0}; dying", nd.Type)));
}
if ((file._flags & NXReadSelection.EagerParseFile) == NXReadSelection.EagerParseFile)
{
ret.CheckChild();
}
return(ret);
}
/// <summary>
/// Tries to cast this NXNode to a <see cref="NXValuedNode{T}" /> and returns its value, or returns the default value if the cast is invalid.
/// </summary>
/// <typeparam name="T"> The type of the value to return. </typeparam>
/// <param name="n"> This NXNode. </param>
/// <param name="def"> The default value to return should the cast fail. </param>
/// <returns> The contained value if the cast succeeds, or <paramref name="def" /> if the cast fails. </returns>
public static T ValueOrDefault <T>(this NXNode n, T def)
{
NXValuedNode <T> nxvn = n as NXValuedNode <T>;
return(nxvn != null ? nxvn.Value : def);
}