2 // OidEnumerator.cs - System.Security.Cryptography.OidEnumerator
5 // Sebastien Pouliot (spouliot@motus.com)
7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
8 // Copyright (C) 2005 Novell Inc. (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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30 #if SECURITY_DEP || MOONLIGHT
32 using System.Collections;
34 namespace System.Security.Cryptography {
36 // Note: Match the definition of framework version 1.2.3400.0 on http://longhorn.msdn.microsoft.com
38 public sealed class OidEnumerator : IEnumerator {
40 private OidCollection _collection;
41 private int _position;
43 // note: couldn't reuse the IEnumerator from ArrayList because
44 // it doesn't throw the same exceptions
45 internal OidEnumerator (OidCollection collection)
47 _collection = collection;
56 throw new ArgumentOutOfRangeException ();
57 return (Oid) _collection [_position];
61 object IEnumerator.Current {
64 throw new ArgumentOutOfRangeException ();
65 return _collection [_position];
71 public bool MoveNext ()
73 if (++_position < _collection.Count)
76 // strangely we must always be able to return the last entry
77 _position = _collection.Count - 1;