public IEnumerable <Stack <EbmlStackItem> > GetNodeTraces(string elementName)
{
System.Diagnostics.Debug.Assert(this.Element.Type == EbmlType.Master);
var stack = new Stack <EbmlStackItem>();
for (EbmlNode current = this;;)
{
var top = new EbmlStackItem((EbmlNodeMaster)current);
stack.Push(top);
for (;;)
{
if (top.Index >= top.Node.nodes.Count)
{
if (stack.Count == 1)
{
yield break;
}
else
{
stack.Pop();
top = stack.Peek();
continue;
}
}
current = top.Node.nodes[top.Index];
if (current.Element.Name == elementName)
{
yield return(stack);
}
++top.Index;
if (current.Element.Type == EbmlType.Master)
{
break;
}
}
}
}
public EbmlNode Seek(ulong sig32)
{
System.Diagnostics.Debug.Assert(this.Element.Type == EbmlType.Master);
var stack = new Stack <EbmlStackItem>();
for (EbmlNode current = this;;)
{
var top = new EbmlStackItem((EbmlNodeMaster)current);
for (;;)
{
if (top.Index >= top.Node.nodes.Count)
{
if (stack.Count == 0)
{
return(null);
}
else
{
top = stack.Pop();
continue;
}
}
current = top.Node.nodes[top.Index];
if (current.Element.Sig32 == sig32)
{
return(current);
}
++top.Index;
if (current.Element.Type == EbmlType.Master)
{
stack.Push(top);
break;
}
}
}
}