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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
namespace System.Security
{
//PermissionSetEnumerator.cs
using System;
using System.Collections;
using TokenBasedSetEnumerator = System.Security.Util.TokenBasedSetEnumerator;
using TokenBasedSet = System.Security.Util.TokenBasedSet;
internal class PermissionSetEnumerator : IEnumerator
{
PermissionSetEnumeratorInternal enm;
public Object Current
{
get
{
return enm.Current;
}
}
public bool MoveNext()
{
return enm.MoveNext();
}
public void Reset()
{
enm.Reset();
}
internal PermissionSetEnumerator(PermissionSet permSet)
{
enm = new PermissionSetEnumeratorInternal(permSet);
}
}
internal struct PermissionSetEnumeratorInternal
{
private PermissionSet m_permSet;
private TokenBasedSetEnumerator enm;
public Object Current
{
get
{
return enm.Current;
}
}
internal PermissionSetEnumeratorInternal(PermissionSet permSet)
{
m_permSet = permSet;
enm = new TokenBasedSetEnumerator(permSet.m_permSet);
}
public int GetCurrentIndex()
{
return enm.Index;
}
public void Reset()
{
enm.Reset();
}
public bool MoveNext()
{
while (enm.MoveNext())
{
Object obj = enm.Current;
IPermission perm = obj as IPermission;
if (perm != null)
{
enm.Current = perm;
return true;
}
#if FEATURE_CAS_POLICY
SecurityElement elem = obj as SecurityElement;
if (elem != null)
{
perm = m_permSet.CreatePermission(elem, enm.Index);
if (perm != null)
{
enm.Current = perm;
return true;
}
}
#endif // FEATURE_CAS_POLICY
}
return false;
}
}
}
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