// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Xml.XPath;

namespace MS.Internal.Xml.XPath
{
    internal sealed class XPathEmptyIterator : ResettableIterator
    {
        private XPathEmptyIterator() { }
        public override XPathNodeIterator Clone() { return this; }

        public override XPathNavigator? Current
        {
            get { return null; }
        }

        public override int CurrentPosition
        {
            get { return 0; }
        }

        public override int Count
        {
            get { return 0; }
        }

        public override bool MoveNext()
        {
            return false;
        }

        public override void Reset() { }

        // -- Instance
        public static readonly XPathEmptyIterator Instance = new XPathEmptyIterator();
    }
}