internal void SetParentNode(CommandSchemaNode node)
{
if (m_isReadOnly)
{
throw new InvalidOperationException("Node already marked as read only");
}
ParentNode = node;
}
/// <summary>
/// Reads to the next node. If the next node is the end of the document. False is returned. Otherwise true.
/// </summary>
/// <returns></returns>
public bool Read()
{
TryAgain:
if (m_completed)
{
return(false);
}
if (!m_initialized)
{
m_initialized = true;
m_currentNode = m_schema[0];
m_isElementOrArrayNull = false;
return(true);
}
else
{
if (IsElementOrArrayNull)
{
m_isElementOrArrayNull = false;
m_currentNode = m_currentNode.PairedNode;
}
else
{
m_currentNode = m_currentNode.NextNode;
}
}
if (m_currentNode == null)
{
m_completed = true;
return(false);
}
switch (m_currentNode.Symbol)
{
case CommandSchemaSymbol.StartArray:
int count = (int)m_stream.Read();
if (count < 0)
{
m_isElementOrArrayNull = true;
m_arrayCountStack.Push(0);
}
else
{
m_isElementOrArrayNull = false;
m_arrayCountStack.Push((int)count);
}
break;
case CommandSchemaSymbol.StartElement:
m_isElementOrArrayNull = !m_stream.Read().IsBoolean;
break;
case CommandSchemaSymbol.Value:
m_value = m_stream.Read();
break;
case CommandSchemaSymbol.EndElement:
return(true);
case CommandSchemaSymbol.EndArray:
var arrayCount = m_arrayCountStack.Pop() - 1;
if (arrayCount <= 0)
{
return(true);
}
else
{
m_arrayCountStack.Push(arrayCount);
m_currentNode = m_currentNode.PairedNode;
goto TryAgain;
}
default:
throw new ArgumentOutOfRangeException();
}
return(true);
}
