53 строки
2.0 KiB
C#
53 строки
2.0 KiB
C#
// Copyright (c) 2009-2013 AlphaSierraPapa for the SharpDevelop Team
|
|
//
|
|
// 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;
|
|
using System.Collections.Generic;
|
|
|
|
namespace ICSharpCode.NRefactory.Xml
|
|
{
|
|
/// <summary>
|
|
/// Determines whether two objects are identical (one is a reused version of the other).
|
|
/// </summary>
|
|
public class ReuseEqualityComparer : IEqualityComparer<AXmlObject>
|
|
{
|
|
/// <summary>
|
|
/// Determines whether two objects are identical (one is a reused version of the other).
|
|
/// </summary>
|
|
public bool Equals(AXmlObject x, AXmlObject y)
|
|
{
|
|
if (x == y)
|
|
return true;
|
|
if (x == null || y == null)
|
|
return false;
|
|
return x.internalObject == y.internalObject;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the object's hash code so that reused versions of an object have the same hash code.
|
|
/// </summary>
|
|
public int GetHashCode(AXmlObject obj)
|
|
{
|
|
if (obj == null)
|
|
return 0;
|
|
else
|
|
return obj.internalObject.GetHashCode();
|
|
}
|
|
}
|
|
}
|