ParentQuery.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / Xml / System / Xml / XPath / Internal / ParentQuery.cs / 1 / ParentQuery.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.Collections.Generic; 

    internal sealed class ParentQuery : CacheAxisQuery { 
 
        public ParentQuery(Query  qyInput, string Name, string Prefix, XPathNodeType Type) : base(qyInput, Name, Prefix, Type) {}
        private ParentQuery(ParentQuery other) : base(other) { } 

        public override object Evaluate(XPathNodeIterator context) {
            base.Evaluate(context);
 
            //
            XPathNavigator input; 
            while ((input = qyInput.Advance()) != null) { 
                input = input.Clone();
 
                if (input.MoveToParent()) {
                    if (matches(input)) {
                        Insert(outputBuffer, input);
                    } 
                }
            } 
            return this; 
        }
 
        public override XPathNodeIterator Clone() { return new ParentQuery(this); }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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