Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / XPath / Internal / ChildrenQuery.cs / 1 / ChildrenQuery.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; using System.Globalization; using System.Xml.Xsl; using System.Collections; internal class ChildrenQuery : BaseAxisQuery { XPathNodeIterator iterator = XPathEmptyIterator.Instance; public ChildrenQuery(Query qyInput, string name, string prefix, XPathNodeType type) : base (qyInput, name, prefix, type) {} protected ChildrenQuery(ChildrenQuery other) : base(other) { this.iterator = Clone(other.iterator); } public override void Reset() { iterator = XPathEmptyIterator.Instance; base.Reset(); } public override XPathNavigator Advance() { while (!iterator.MoveNext()) { XPathNavigator input = qyInput.Advance(); if (input == null) { return null; } if (NameTest) { if (TypeTest == XPathNodeType.ProcessingInstruction) { iterator = new IteratorFilter(input.SelectChildren(TypeTest), Name); } else { iterator = input.SelectChildren(Name, Namespace); } } else { iterator = input.SelectChildren(TypeTest); } position = 0; } position ++; currentNode = iterator.Current; return currentNode; } // Advance public sealed override XPathNavigator MatchNode(XPathNavigator context) { if (context != null) { if (matches(context)) { XPathNavigator temp = context.Clone(); if (temp.NodeType != XPathNodeType.Attribute && temp.MoveToParent()) { return qyInput.MatchNode(temp); } return null; } } return null; } public override XPathNodeIterator Clone() { return new ChildrenQuery(this); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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