44 lines
1.4 KiB
C#
44 lines
1.4 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="ForwardPositionQuery.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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//------------------------------------------------------------------------------
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namespace MS.Internal.Xml.XPath {
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using System;
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using System.Xml;
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using System.Xml.XPath;
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using System.Diagnostics;
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internal class ForwardPositionQuery : CacheOutputQuery {
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public ForwardPositionQuery(Query input) : base(input) {
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Debug.Assert(input != null);
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}
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protected ForwardPositionQuery(ForwardPositionQuery other) : base(other) { }
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public override object Evaluate(XPathNodeIterator context) {
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base.Evaluate(context);
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XPathNavigator node;
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while ((node = base.input.Advance()) != null) {
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outputBuffer.Add(node.Clone());
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}
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return this;
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}
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public override XPathNavigator MatchNode(XPathNavigator context) {
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return input.MatchNode(context);
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}
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public override XPathNodeIterator Clone() { return new ForwardPositionQuery(this); }
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}
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}
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