XPathArrayIterator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / XPath / Internal / XPathArrayIterator.cs / 1305376 / XPathArrayIterator.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
using System; 
using System.Collections;
using System.Diagnostics; 
using System.Text;
using System.Xml;
using System.Xml.XPath;
 
namespace MS.Internal.Xml.XPath {
 
    [DebuggerDisplay("Position={CurrentPosition}, Current={debuggerDisplayProxy, nq}")] 
    internal class XPathArrayIterator : ResetableIterator {
        protected IList     list; 
        protected int       index;

        public XPathArrayIterator(IList list) {
            this.list = list; 
        }
 
        public XPathArrayIterator(XPathArrayIterator it) { 
            this.list = it.list;
            this.index = it.index; 
        }

        public XPathArrayIterator(XPathNodeIterator nodeIterator) {
            this.list = new ArrayList(); 
            while (nodeIterator.MoveNext()) {
                this.list.Add(nodeIterator.Current.Clone()); 
            } 
        }
 
        public IList AsList {
            get { return this.list; }
        }
 
        public override XPathNodeIterator Clone() {
            return new XPathArrayIterator(this); 
        } 

        public override XPathNavigator Current { 
            get {
                Debug.Assert(index <= list.Count);

                if (index < 1) { 
                    throw new InvalidOperationException(Res.GetString(Res.Sch_EnumNotStarted, string.Empty));
                } 
                return (XPathNavigator) list[index - 1]; 
            }
        } 

        public override int CurrentPosition { get { return index; } }
        public override int Count           { get { return list.Count; } }
 
        public override bool MoveNext() {
            Debug.Assert(index <= list.Count); 
            if (index == list.Count) { 
                return false;
            } 
            index++;
            return true;
        }
 
        public override void Reset() {
            index = 0; 
        } 

        public override IEnumerator GetEnumerator() { 
            return list.GetEnumerator();
        }

        private object debuggerDisplayProxy { get { return index < 1 ? null : (object)new XPathNavigator.DebuggerDisplayProxy(Current); } } 
    }
} 

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

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