41 lines
1.4 KiB
C#
41 lines
1.4 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="ParentQuery.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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using System.Globalization;
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using System.Collections.Generic;
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internal sealed class ParentQuery : CacheAxisQuery {
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public ParentQuery(Query qyInput, string Name, string Prefix, XPathNodeType Type) : base(qyInput, Name, Prefix, Type) {}
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private ParentQuery(ParentQuery other) : base(other) { }
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public override object Evaluate(XPathNodeIterator context) {
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base.Evaluate(context);
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//
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XPathNavigator input;
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while ((input = qyInput.Advance()) != null) {
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input = input.Clone();
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if (input.MoveToParent()) {
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if (matches(input)) {
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Insert(outputBuffer, input);
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}
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}
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}
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return this;
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}
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public override XPathNodeIterator Clone() { return new ParentQuery(this); }
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}
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}
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