// 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.
 
#nullable disable
 
using System.Collections.Generic;
using System.Runtime.InteropServices;
 
namespace Microsoft.CodeAnalysis.Shared.Utilities;
 
internal class LogicalStringComparer : IComparer<string>
{
    [DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
    private static extern int StrCmpLogicalW(string psz1, string psz2);
 
    public static readonly IComparer<string> Instance = new LogicalStringComparer();
 
    private LogicalStringComparer()
    {
    }
 
    public int Compare(string x, string y)
        => StrCmpLogicalW(x, y);
}