Advance()

override XPathNavigator MS.Internal.Xml.XPath.FollowingQuery.Advance ( )

inline

Definition at line 29 of file FollowingQuery.cs.

    {
        if (_iterator == null)
        {
            _input = qyInput.Advance();
            if (_input == null)
            {
                return null;
            }
            XPathNavigator xPathNavigator;
            do
            {
                xPathNavigator = _input.Clone();
                _input = qyInput.Advance();
            }
            while (xPathNavigator.IsDescendant(_input));
            _input = xPathNavigator;
            _iterator = XPathEmptyIterator.Instance;
        }
        while (!_iterator.MoveNext())
        {
            bool matchSelf;
            if (_input.NodeType == XPathNodeType.Attribute || _input.NodeType == XPathNodeType.Namespace)
            {
                _input.MoveToParent();
                matchSelf = false;
            }
            else
            {
                while (!_input.MoveToNext())
                {
                    if (!_input.MoveToParent())
                    {
                        return null;
                    }
                }
                matchSelf = true;
            }
            if (base.NameTest)
            {
                _iterator = _input.SelectDescendants(base.Name, base.Namespace, matchSelf);
            }
            else
            {
                _iterator = _input.SelectDescendants(base.TypeTest, matchSelf);
            }
        }
        position++;
        currentNode = _iterator.Current;
        return currentNode;
    }

References MS.Internal.Xml.XPath.FollowingQuery._input, MS.Internal.Xml.XPath.FollowingQuery._iterator, MS.Internal.Xml.XPath.Query.Advance(), System.Xml.XPath.XPathNavigator.Clone(), System.Xml.XPath.XPathNodeIterator.Current, MS.Internal.Xml.XPath.BaseAxisQuery.currentNode, MS.Internal.Xml.XPath.XPathEmptyIterator.Instance, System.Xml.XPath.XPathNavigator.IsDescendant(), System.Xml.XPath.XPathNodeIterator.MoveNext(), System.Xml.XPath.XPathNavigator.MoveToNext(), System.Xml.XPath.XPathNavigator.MoveToParent(), System.Xml.XPath.XPathNavigator.NodeType, MS.Internal.Xml.XPath.BaseAxisQuery.position, MS.Internal.Xml.XPath.BaseAxisQuery.qyInput, and System.Xml.XPath.XPathNavigator.SelectDescendants().