private Node SetState(CursorState state, string word)
{
Node node = null;
if (state != currentState)
{
if (state == CursorState.FieldName)
{
node = new FieldNode(word);
}
if (state == CursorState.Condition)
{
node = new ConditionNode(word);
}
if (state == CursorState.Parameter)
{
node = new ParameterNode(word);
}
if (state == CursorState.Constant)
{
node = new ConstantNode(word);
}
if (state == CursorState.ArrayOfValues)
{
node = new ArrayOfValues(word);
}
if (state == CursorState.OpenBracket)
{
node = new OpenBracketNode();
}
if (state == CursorState.CloseBracket)
{
node = new CloseBracketNode();
}
if (state == CursorState.Operator)
{
node = new OperatorNode(word);
}
if (node != null)
nodes.Add(node);
currentState = state;
}
return node;
}
private void WriterStartGroup(OperatorNode operatorNode, XmlWriter writer)
{
writer.WriteStartElement("Group");
writer.WriteAttributeString("GroupOperator", operatorNode.Operator.ToString());
}