/// <summary>
/// get one off the last append node.
/// </summary>
/// <param name="mode"></param>
public void popOff(enumInsertionMode mode)
{
int index = length - 1;
for (int i = index; i >= 0; i--)
{
if (item[i] == mode)
{
item.RemoveAt(i);
return;
}
}
}
/// <summary>
/// add/append a new open elements.
/// </summary>
/// <param name="node"></param>
public void push(enumInsertionMode mode)
{
item.Add(mode);
}
