mcs/class/referencesource/System.Xml/System/Xml/XPath/Internal/DocumentorderQuery.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="DocumentOrderQuery.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace MS.Internal.Xml.XPath {
   9     using System;
  10     using System.Xml;
  11     using System.Xml.XPath;
  12     using System.Diagnostics;
  13
  14     internal sealed class DocumentOrderQuery : CacheOutputQuery {
  15
  16         public DocumentOrderQuery(Query qyParent) : base(qyParent) {}
  17         private DocumentOrderQuery(DocumentOrderQuery other) : base(other) { }
  18
  19         public override object Evaluate(XPathNodeIterator context) {
  20             base.Evaluate(context);
  21
  22             XPathNavigator node;
  23             while ((node = base.input.Advance()) != null) {
  24                 Insert(outputBuffer, node);
  25             }
  26
  27             return this;
  28         }
  29
  30         public override XPathNavigator MatchNode(XPathNavigator context) {
  31             return input.MatchNode(context);
  32         }
  33
  34         public override XPathNodeIterator Clone() { return new DocumentOrderQuery(this); }
  35     }
  36 }
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