/// <summary>
/// Perform a depth-first traversal through this node and its descendants.
/// </summary>
/// <param name="nodeVisitor">the visitor callbacks to perform on each node</param>
/// <returns>this node, for chaining</returns>
internal Node Traverse(INodeVisitor nodeVisitor)
{
Validate.NotNull(nodeVisitor);
NodeTraversor traversor = new NodeTraversor(nodeVisitor);
traversor.Traverse(this);
return this;
}
private int CopySafeNodes(Element source, Element dest)
{
Cleaner.CleaningVisitor cleaningVisitor = new Cleaner.CleaningVisitor(this, source, dest);
NodeTraversor traversor = new NodeTraversor(cleaningVisitor);
traversor.Traverse(source);
return cleaningVisitor.numDiscarded;
}