//
// System.Security.AccessControl.AceEnumerator implementation
//
// Author:
//	Dick Porter  <dick@ximian.com>
//	Atsushi Enomoto  <atsushi@ximian.com>
//
// Copyright (C) 2006-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Collections;

namespace System.Security.AccessControl {
	public sealed class AceEnumerator : IEnumerator
	{
		GenericAcl owner;
		int current = -1;

		internal AceEnumerator (GenericAcl owner)
		{
			this.owner = owner;
		}

		public GenericAce Current {
			get { return current < 0 ? null : owner [current]; }
		}

		object IEnumerator.Current {
			get { return Current; }
		}
		
		public bool MoveNext ()
		{
			if (current + 1 == owner.Count)
				return false;
			current++;
			return true;
		}
		
		public void Reset ()
		{
			current = -1;
		}
	}
}