public static PathStep CreateFilter(XPath2Context context, object node, List <Object> predicateList)
{
if (predicateList.Count == 1)
{
AbstractNode predicate = AbstractNode.Create(context, predicateList[0]);
ValueNode numexpr = predicate as ValueNode;
if (numexpr != null && numexpr.Content is Integer)
{
PathStep res = Create(context, node);
res.AddLast(new PathStep(numexpr.Content, XPath2ExprType.PositionFilter));
return(res);
}
}
AbstractNode filterExpr = new FilterExprNode(context, node, predicateList);
return(new PathStep(filterExpr));
}
public FollowingNodeIterator(XPath2Context context, object nodeTest, XPath2NodeIterator iter)
: base(context, nodeTest, false, iter)
{
if (typeTest == null)
{
if (nameTest == null)
{
kind = XPathNodeType.All;
}
else
{
kind = XPathNodeType.Element;
}
}
else
{
kind = typeTest.GetNodeKind();
}
}
public FollowingSiblingNodeIterator(XPath2Context context, object nodeTest, XPath2NodeIterator iter)
: base(context, nodeTest, false, iter)
{
}
public ContextItemNode(XPath2Context context)
: base(context)
{
}
public ArithmeticBinaryOperatorNode(XPath2Context context, BinaryOperator action,
object node1, object node2, GetReturnTypeDelegate returnTypeDelegate)
: base(context, action, node1, node2, XPath2ResultType.Number)
{
_returnTypeDelegate = returnTypeDelegate;
}
public ExprNode(XPath2Context context, object node)
: base(context)
{
Add(node);
}
public ValueNode(XPath2Context context, object value)
: base(context)
{
_value = value;
}
public OrderedBinaryOperatorNode(XPath2Context context, BinaryOperator action, object node1, object node2,
XPath2ResultType resultType)
: base(context, action, node1, node2, resultType)
{
}
public ParentNodeIterator(XPath2Context context, object nodeTest, XPath2NodeIterator iter)
: base(context, nodeTest, false, iter)
{
}
public ForNode(XPath2Context context, Tokenizer.VarName varName, object expr)
: base(context)
{
_varName = varName;
Add(expr);
}
public NamespaceNodeIterator(XPath2Context context, object nodeTest, XPath2NodeIterator iter)
: base(context, nodeTest, false, iter)
{
}
public AttributeNodeIterator(XPath2Context context, object nodeTest, XPath2NodeIterator iter)
: base(context, nodeTest, false, iter)
{
}
public VarRefNode(XPath2Context context, Tokenizer.VarName varRef)
: base(context)
{
_varName = varRef;
}
public ArithmeticUnaryOperatorNode(XPath2Context context, UnaryOperator action, object node)
: base(context, action, node, XPath2ResultType.Number)
{
}
public XPath2NodeIterator Create(XPath2Context context, object[] dataPool, XPath2NodeIterator baseIter, bool special)
{
switch (type)
{
case XPath2ExprType.Attribute:
return(new AttributeNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Child:
{
if (special && nodeTest != SequenceType.Node)
{
return(new SpecialChildNodeIterator(context, nodeTest, baseIter));
}
return(new ChildNodeIterator(context, nodeTest, baseIter));
}
case XPath2ExprType.Descendant:
{
if (special && nodeTest != SequenceType.Node)
{
return(new SpecialDescendantNodeIterator(context, nodeTest, false, baseIter));
}
return(new DescendantNodeIterator(context, nodeTest, false, baseIter));
}
case XPath2ExprType.DescendantOrSelf:
{
if (special && nodeTest != SequenceType.Node)
{
return(new SpecialDescendantNodeIterator(context, nodeTest, true, baseIter));
}
return(new DescendantNodeIterator(context, nodeTest, true, baseIter));
}
case XPath2ExprType.Ancestor:
return(new AncestorNodeIterator(context, nodeTest, false, baseIter));
case XPath2ExprType.AncestorOrSelf:
return(new AncestorNodeIterator(context, nodeTest, true, baseIter));
case XPath2ExprType.Following:
return(new FollowingNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.FollowingSibling:
return(new FollowingSiblingNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Parent:
return(new ParentNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Preceding:
return(new PrecedingNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.PrecedingSibling:
return(new PrecedingSiblingNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Namespace:
return(new NamespaceNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Self:
return(new SelfNodeIterator(context, nodeTest, baseIter));
case XPath2ExprType.Expr:
return(new ExprNodeIterator(context, node, dataPool, baseIter));
case XPath2ExprType.PositionFilter:
return(new PositionFilterNodeIterator(Convert.ToInt32(nodeTest), baseIter));
case XPath2ExprType.ChildOverDescendants:
return(new ChildOverDescendantsNodeIterator(context,
(ChildOverDescendantsNodeIterator.NodeTest[])nodeTest, baseIter));
default:
return(null);
}
}
public FilterExprNode(XPath2Context context, object src, List <Object> nodes)
: base(context)
{
Add(src);
AddRange(nodes);
}
public RangeNode(XPath2Context context, object node1, object node2)
: base(context)
{
Add(node1);
Add(node2);
}
public AncestorNodeIterator(XPath2Context context, object nodeTest, bool matchSelf, XPath2NodeIterator iter)
: base(context, nodeTest, matchSelf, iter)
{
}
public SequentialAxisNodeIterator(XPath2Context context, object nodeTest, bool matchSelf, XPath2NodeIterator iter)
: base(context, nodeTest, matchSelf, iter)
{
}
public AbstractNode(XPath2Context context)
{
_context = context;
}
public AtomizedUnaryOperatorNode(XPath2Context context, UnaryOperator action, object node, XPath2ResultType resultType)
: base(context, action, node, resultType)
{
}
public AndExprNode(XPath2Context context, object node1, object node2)
: base(context)
{
Add(node1);
Add(node2);
}
public ExprNode(XPath2Context context, AbstractNode node)
: base(context)
{
Add(node);
}
