/// <summary>
/// Writes the end of a child node in this <see cref="IValueWriter"/>.
/// </summary>
/// <param name="name">Unused by the <see cref="BinaryValueWriter"/>.</param>
/// <exception cref="InvalidOperationException">Already at the root node.</exception>
public void WriteEndNode(string name)
{
if (_nodeOffsetStack == null || _nodeOffsetStack.Count == 0)
{
const string errmsg = "Already at the root node.";
throw new InvalidOperationException(errmsg);
}
var nodeStart = _nodeOffsetStack.Pop();
var nodeEnd = _writer.PositionBits;
var nodeLength = (uint)(nodeEnd - nodeStart - 32);
Debug.Assert(nodeLength >= 0);
_writer.SeekBits(nodeStart, SeekOrigin.Begin);
Debug.Assert(_writer.PositionBits == nodeStart);
_writer.Write(nodeLength);
_writer.SeekBits(nodeEnd, SeekOrigin.Begin);
Debug.Assert(_writer.PositionBits == nodeEnd);
}
