/// <summary>
/// Moves to the next record.
/// Returns true when record position can be advanced and false when there are no more records to be retrieved.
/// </summary>
/// <returns>True/false indicating if operation succeeded.</returns>
public bool MoveNext()
{
ReaderPositionState state = _readerState.Peek();
if (state.CurrentNodes.Count > state.CurrentPosition + 1)
{
++state.CurrentPosition;
state.CurrentNode = state.CurrentNodes[state.CurrentPosition];
return(true);
}
return(false);
}
/// <summary>
/// Pushes the reader state onto the stack.
/// </summary>
/// <param name="node">The node to be pushed onto the stack.</param>
private void PushReaderState(XmlNode node)
{
// If the node is not null then create a new object with the values.
// Otherwise, if the node is null, simply push an empty object onto the stack
// since the MoveParent method will be called immediately afterward.
if (node != null)
{
ReaderPositionState state = new ReaderPositionState
{
CurrentId = node.Attributes["name"].Value,
CurrentNodes = node.SelectNodes("Record"),
CurrentPosition = -1
};
_readerState.Push(state);
}
else
{
_readerState.Push(new ReaderPositionState());
}
}