apewer-dotnet/Apewer.Source/Externals/MySql.Data-6.10.9/MySqlClient/Common/Platform.cs

#if MYSQL_6_10

// Copyright ?2004, 2018, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.IO;
using System.Runtime.InteropServices;

namespace Externals.MySql.Data.Common
{
    internal class Platform
    {
        private static bool _inited;
        private static bool _isMono;

        /// <summary>
        /// By creating a private ctor, we keep the compiler from creating a default ctor
        /// </summary>
        private Platform()
        {
        }

        public static bool IsWindows()
        {
            OperatingSystem os = Environment.OSVersion;
            switch (os.Platform)
            {
                case PlatformID.Win32NT:
                case PlatformID.Win32S:
                case PlatformID.Win32Windows:
                    return true;
            }
            return false;
        }

        public static bool IsMacOSX()
        {
#if NETFX
            return Environment.OSVersion.Platform == PlatformID.MacOSX;
#else
      return RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
#endif
        }


        public static bool IsMono()
        {
            if (!_inited)
                Init();
            return _isMono;
        }

        private static void Init()
        {
            _inited = true;
            Type t = Type.GetType("Mono.Runtime");
            _isMono = t != null;
        }

        public static bool IsDotNetCore()
        {
            return false;
        }
    }
}

#endif