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//
// System.IO.IsolatedStorage.IsolatedStorageFileEnumerator
//
// Author
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 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.IO.IsolatedStorage {
internal class IsolatedStorageFileEnumerator : IEnumerator {
private IsolatedStorageScope _scope;
private string[] _storages;
private int _pos;
public IsolatedStorageFileEnumerator (IsolatedStorageScope scope, string root)
{
_scope = scope;
// skip application-isolated storages
if (Directory.Exists (root))
_storages = Directory.GetDirectories (root, "d.*");
_pos = -1;
}
public object Current {
get {
if ((_pos < 0) || (_storages == null) || (_pos >= _storages.Length))
return null;
// recreates a IsolatedStorageFile from the file
return new IsolatedStorageFile (_scope, _storages [_pos]);
}
}
public bool MoveNext ()
{
if (_storages == null)
return false;
return (++_pos < _storages.Length);
}
public void Reset ()
{
_pos = -1;
}
}
}
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