PermissionSetEnumerator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / PermissionSetEnumerator.cs / 1305376 / PermissionSetEnumerator.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
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;
        }
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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