108 lines
3.2 KiB
C#
108 lines
3.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="MembershipUserCollection.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Security {
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using System;
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using System.Collections;
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using System.Configuration.Provider;
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using System.Runtime.CompilerServices;
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[TypeForwardedFrom("System.Web, Version=2.0.0.0, Culture=Neutral, PublicKeyToken=b03f5f7f11d50a3a")]
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[Serializable]
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public sealed class MembershipUserCollection : IEnumerable, ICollection {
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private Hashtable _Indices = null;
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private ArrayList _Values = null;
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private bool _ReadOnly = false;
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public MembershipUserCollection() {
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_Indices = new Hashtable(10, StringComparer.CurrentCultureIgnoreCase);
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_Values = new ArrayList();
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}
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public void Add(MembershipUser user) {
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if (user == null) {
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throw new ArgumentNullException("user");
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}
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if (_ReadOnly)
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throw new NotSupportedException();
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int pos = _Values.Add(user);
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try {
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_Indices.Add(user.UserName, pos);
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}
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catch {
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_Values.RemoveAt(pos);
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throw;
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}
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}
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public void Remove(string name) {
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if (_ReadOnly)
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throw new NotSupportedException();
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object pos = _Indices[name];
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if (pos == null || !(pos is int))
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return;
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int ipos = (int)pos;
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if (ipos >= _Values.Count)
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return;
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_Values.RemoveAt(ipos);
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_Indices.Remove(name);
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ArrayList al = new ArrayList();
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foreach (DictionaryEntry de in _Indices)
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if ((int)de.Value > ipos)
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al.Add(de.Key);
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foreach (string key in al)
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_Indices[key] = ((int)_Indices[key]) - 1;
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}
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public MembershipUser this[string name] {
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get {
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object pos = _Indices[name];
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if (pos == null || !(pos is int))
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return null;
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int ipos = (int)pos;
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if (ipos >= _Values.Count)
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return null;
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return (MembershipUser)_Values[ipos];
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}
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}
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public IEnumerator GetEnumerator() {
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return _Values.GetEnumerator();
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}
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public void SetReadOnly() {
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if (_ReadOnly)
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return;
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_ReadOnly = true;
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_Values = ArrayList.ReadOnly(_Values);
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}
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public void Clear() {
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_Values.Clear();
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_Indices.Clear();
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}
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public int Count { get { return _Values.Count; } }
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public bool IsSynchronized { get { return false; } }
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public object SyncRoot { get { return this; } }
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void ICollection.CopyTo(Array array, int index) {
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_Values.CopyTo(array, index);
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}
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public void CopyTo(MembershipUser[] array, int index) {
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_Values.CopyTo(array, index);
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}
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}
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}
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