54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
|
//------------------------------------------------------------------------------
|
||
|
|
// <copyright file="SingleObjectCollection.cs" company="Microsoft">
|
||
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
|
// </copyright>
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SingleObjectCollection class
|
||
|
|
*
|
||
|
|
* Copyright (c) 1999 Microsoft Corporation
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace System.Web.Util {
|
||
|
|
|
||
|
|
using System.Collections;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Fast implementation of a collection with a single object
|
||
|
|
*/
|
||
|
|
internal class SingleObjectCollection: ICollection {
|
||
|
|
|
||
|
|
private class SingleObjectEnumerator: IEnumerator {
|
||
|
|
private object _object;
|
||
|
|
private bool done;
|
||
|
|
|
||
|
|
public SingleObjectEnumerator(object o) { _object = o; }
|
||
|
|
public object Current { get { return _object; } }
|
||
|
|
public bool MoveNext() {
|
||
|
|
if (!done) {
|
||
|
|
done = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
public void Reset() { done = false; }
|
||
|
|
}
|
||
|
|
|
||
|
|
private object _object;
|
||
|
|
|
||
|
|
public SingleObjectCollection(object o) { _object = o; }
|
||
|
|
|
||
|
|
IEnumerator IEnumerable.GetEnumerator() { return new SingleObjectEnumerator(_object); }
|
||
|
|
public int Count { get { return 1; } }
|
||
|
|
bool ICollection.IsSynchronized { get { return true; } }
|
||
|
|
object ICollection.SyncRoot { get { return this; } }
|
||
|
|
|
||
|
|
public void CopyTo(Array array, int index) {
|
||
|
|
array.SetValue(_object, index);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|