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

   1 //------------------------------------------------------------------------------
   2 // <copyright file="XPathChildIterator.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     using System.Globalization;
  14
  15     internal class XPathChildIterator: XPathAxisIterator {
  16         public XPathChildIterator(XPathNavigator nav, XPathNodeType type) : base(nav, type, /*matchSelf:*/false) {}
  17         public XPathChildIterator(XPathNavigator nav, string name, string namespaceURI) : base(nav, name, namespaceURI, /*matchSelf:*/false) {}
  18         public XPathChildIterator(XPathChildIterator it) : base(it) {}
  19
  20         public override XPathNodeIterator Clone() {
  21             return new XPathChildIterator(this);
  22         }
  23
  24         public override bool MoveNext() {
  25             while ((first) ? nav.MoveToFirstChild() : nav.MoveToNext()) {
  26                 first = false;
  27                 if (Matches) {
  28                     position++;
  29                     return true;
  30                 }
  31             }
  32             return false;
  33         }
  34     }
  35 }