//------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // // [....] //------------------------------------------------------------------------------ namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; internal class ForwardPositionQuery : CacheOutputQuery { public ForwardPositionQuery(Query input) : base(input) { Debug.Assert(input != null); } protected ForwardPositionQuery(ForwardPositionQuery other) : base(other) { } public override object Evaluate(XPathNodeIterator context) { base.Evaluate(context); XPathNavigator node; while ((node = base.input.Advance()) != null) { outputBuffer.Add(node.Clone()); } return this; } public override XPathNavigator MatchNode(XPathNavigator context) { return input.MatchNode(context); } public override XPathNodeIterator Clone() { return new ForwardPositionQuery(this); } } }