ResetableIterator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Xml / System / Xml / XPath / Internal / ResetableIterator.cs / 1 / ResetableIterator.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;
 
    internal abstract class ResetableIterator : XPathNodeIterator {
        // the best place for this constructors to be is XPathNodeIterator, to avoid DCR at this time let's ground them here 
        public ResetableIterator() { 
            base.count = -1;
        } 
        protected ResetableIterator(ResetableIterator other) {
            base.count = other.count;
        }
        protected void ResetCount() { 
            base.count = -1;
        } 
 
        public abstract void Reset();
        public virtual bool MoveToPosition(int pos) { 
            Reset();
            for(int i = CurrentPosition; i < pos ; i ++) {
                if(!MoveNext()) {
                    return false; 
                }
            } 
            return true; 
        }
 
        // Contruct extension: CurrentPosition should return 0 if MoveNext() wasn't called after Reset()
        // (behavior is not defined for XPathNodeIterator)
        public abstract override int CurrentPosition { get; }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     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;
 
    internal abstract class ResetableIterator : XPathNodeIterator {
        // the best place for this constructors to be is XPathNodeIterator, to avoid DCR at this time let's ground them here 
        public ResetableIterator() { 
            base.count = -1;
        } 
        protected ResetableIterator(ResetableIterator other) {
            base.count = other.count;
        }
        protected void ResetCount() { 
            base.count = -1;
        } 
 
        public abstract void Reset();
        public virtual bool MoveToPosition(int pos) { 
            Reset();
            for(int i = CurrentPosition; i < pos ; i ++) {
                if(!MoveNext()) {
                    return false; 
                }
            } 
            return true; 
        }
 
        // Contruct extension: CurrentPosition should return 0 if MoveNext() wasn't called after Reset()
        // (behavior is not defined for XPathNodeIterator)
        public abstract override int CurrentPosition { get; }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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