public XQueryStepExpr(XQueryPathExprType type, XQueryContext queryContext)
: base(queryContext)
{
m_type = type;
switch (m_type)
{
case XQueryPathExprType.Self:
m_iter = new PathExprIterator(SelfIterator);
break;
case XQueryPathExprType.Child:
m_iter = new PathExprIterator(ChildIterator);
break;
case XQueryPathExprType.Descendant:
case XQueryPathExprType.DescendantOrSelf:
m_iter = new PathExprIterator(DescendantIterator);
break;
case XQueryPathExprType.Attribute:
m_iter = new PathExprIterator(AttributeIterator);
break;
case XQueryPathExprType.Following:
m_iter = new PathExprIterator(FollowingIterator);
break;
case XQueryPathExprType.FollowingSibling:
m_iter = new PathExprIterator(FollowingSiblingIterator);
break;
case XQueryPathExprType.Parent:
m_iter = new PathExprIterator(ParentIterator);
break;
case XQueryPathExprType.Ancestor:
case XQueryPathExprType.AncestorOrSelf:
m_iter = new PathExprIterator(AncestorIterator);
break;
case XQueryPathExprType.Preceding:
m_iter = new PathExprIterator(PrecedingIterator);
break;
case XQueryPathExprType.PrecedingSibling:
m_iter = new PathExprIterator(PrecedingSiblingIterator);
break;
case XQueryPathExprType.Namespace:
m_iter = new PathExprIterator(NamespaceIterator);
break;
default:
throw new ArgumentException("type");
}
}
public XQueryStepExpr(object nodeTest, XQueryPathExprType type, XQueryContext queryContext)
: this(type, queryContext)
{
if (nodeTest is XmlQualifiedNameTest)
m_nameTest = (XmlQualifiedNameTest)nodeTest;
else if (nodeTest is XQuerySequenceType)
m_typeTest = (XQuerySequenceType)nodeTest;
else
throw new ArgumentException("nodeTest");
}
