private IQuery ProcessNode(AstNode root, IQuery qyInput, int parent,
Axis.AxisType parentaxis, ref bool cache, ref bool position)
{
IQuery result = null;
if (root == null)
{
return(null);
}
switch (root.TypeOfAst)
{
case AstNode.QueryType.Axis:
filterCount = 0;
firstInput = null;
Axis axis = (Axis)root;
if (axis.TypeOfAxis == Axis.AxisType.Descendant || axis.TypeOfAxis ==
Axis.AxisType.DescendantOrSelf)
{
if (_smart > 0)
{
result = ProcessAxis(
axis,
ProcessNode(axis.Input,
qyInput, Smart_D,
axis.TypeOfAxis, ref cache, ref position),
parent, parentaxis);
break;
}
}
_smart++;
result = ProcessAxis(
axis,
ProcessNode(axis.Input,
qyInput, Regular_D,
axis.TypeOfAxis, ref cache, ref position),
parent, parentaxis);
_smart--;
break;
case AstNode.QueryType.Operator:
_smart = 2;
result = ProcessOperator((Operator)root, null, ref cache, ref position);
break;
case AstNode.QueryType.Filter:
_smart = 2;
result = ProcessFilter((Filter)root, ref cache, ref position);
break;
case AstNode.QueryType.ConstantOperand:
result = ProcessOperand((Operand)root);
break;
case AstNode.QueryType.Variable:
result = ProcessVariable((Variable)root);
break;
case AstNode.QueryType.Function:
result = ProcessFunction(
(System.Xml.XPath.Function)root,
qyInput, ref cache, ref position);
break;
case AstNode.QueryType.Group:
_smart = 2;
result = new GroupQuery(ProcessNode(
((System.Xml.XPath.Group)root).GroupNode,
qyInput, Regular_D,
Axis.AxisType.None,
ref cache, ref position));
break;
case AstNode.QueryType.Root:
result = new AbsoluteQuery();
break;
default:
Debug.Assert(false, "Unknown QueryType encountered!!");
break;
}
return(result);
}
private IQuery ProcessNode(AstNode root, IQuery qyInput,int parent,
Axis.AxisType parentaxis, ref bool cache, ref bool position) {
IQuery result = null;
if (root == null)
return null;
switch (root.TypeOfAst) {
case AstNode.QueryType.Axis:
filterCount = 0;
firstInput = null;
Axis axis = (Axis)root;
if (axis.TypeOfAxis == Axis.AxisType.Descendant || axis.TypeOfAxis ==
Axis.AxisType.DescendantOrSelf)
if (_smart > 0) {
result = ProcessAxis(
axis,
ProcessNode(axis.Input,
qyInput,Smart_D,
axis.TypeOfAxis, ref cache, ref position),
parent, parentaxis);
break;
}
_smart++;
result = ProcessAxis(
axis,
ProcessNode(axis.Input,
qyInput,Regular_D,
axis.TypeOfAxis, ref cache, ref position),
parent, parentaxis);
_smart--;
break;
case AstNode.QueryType.Operator:
_smart = 2;
result = ProcessOperator((Operator)root, null, ref cache, ref position);
break;
case AstNode.QueryType.Filter:
_smart = 2;
result = ProcessFilter((Filter)root, ref cache, ref position);
break;
case AstNode.QueryType.ConstantOperand:
result = ProcessOperand((Operand)root);
break;
case AstNode.QueryType.Variable:
result = ProcessVariable((Variable)root);
break;
case AstNode.QueryType.Function:
result = ProcessFunction(
(System.Xml.XPath.Function)root,
qyInput, ref cache, ref position);
break;
case AstNode.QueryType.Group:
_smart = 2;
result = new GroupQuery(ProcessNode(
((System.Xml.XPath.Group)root).GroupNode,
qyInput,Regular_D,
Axis.AxisType.None,
ref cache, ref position));
break;
case AstNode.QueryType.Root:
result = new AbsoluteQuery();
break;
default:
Debug.Assert(false, "Unknown QueryType encountered!!");
break;
}
return result;
}