/// <summary>
/// Finds a layer from its full path
/// </summary>
/// <param name="doc"></param>
/// <param name="path">Full path of layer</param>
/// <param name="MakeIfNull">Create the layer if it doesn't already exist</param>
/// <returns>Null on failure</returns>
public static Layer GetLayer(this RhinoDoc doc, string path, bool MakeIfNull = false)
{
int index = doc.Layers.FindByFullPath(path, RhinoMath.UnsetIntIndex);
Layer layer = doc.Layers.FindIndex(index);
if (layer == null && MakeIfNull)
{
var layerNames = path.Split(new string[] { Layer.PathSeparator }, StringSplitOptions.RemoveEmptyEntries);
Layer parent = null;
string currentLayerPath = string.Empty;
Layer currentLayer = null;
for (int i = 0; i < layerNames.Length; i++)
{
currentLayerPath = (i == 0) ? layerNames[i] : $"{currentLayerPath}{Layer.PathSeparator}{layerNames[i]}";
currentLayer = doc.GetLayer(currentLayerPath);
if (currentLayer == null)
{
currentLayer = MakeLayer(doc, layerNames[i], parent);
}
if (currentLayer == null)
{
break;
}
parent = currentLayer;
}
layer = currentLayer;
}
return(layer);
}
