Files
Pilz/Pilz/Runtime/RuntimeInformationsEx.cs
2024-08-30 11:43:32 +02:00

79 lines
2.5 KiB
C#

using System.Runtime.InteropServices;
namespace Pilz.Runtime;
public static class RuntimeInformationsEx
{
private static OSType? osType;
private static OSType? osTypeReal;
public static OSType OSType => osType ??= GetOSType();
public static OSType RealOSType => osTypeReal ??= GetRealOSType();
public static OSType GetOSType()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
return OSType.Windows;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
return OSType.Linux;
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
return OSType.OSX;
return OSType.Unknown;
}
public static OSType GetRealOSType()
{
var windir = Environment.GetEnvironmentVariable("windir");
const string ostypeDirWine = @"Z:\proc\sys\kernel\ostype";
const string ostypeDirNative = "/proc/sys/kernel/ostype";
const string systemVersionWine = @"Z:\System\Library\CoreServices\SystemVersion.plist";
const string systemVersionNative = "/System/Library/CoreServices/SystemVersion.plist";
// Linux using wine
if (File.Exists(ostypeDirWine))
{
var osTypeString = File.ReadAllText(ostypeDirWine);
if (osTypeString.StartsWith("Linux", StringComparison.OrdinalIgnoreCase))
// Note: Android gets here too
return OSType.Linux;
else
return OSType.Unknown;
}
// Linux native
else if (File.Exists(ostypeDirNative))
{
var osTypeString = File.ReadAllText(ostypeDirNative);
if (osTypeString.StartsWith("Linux", StringComparison.OrdinalIgnoreCase))
// Note: Android gets here too
return OSType.Linux;
else
return OSType.Unknown;
}
// OSX using wine
else if (File.Exists(systemVersionWine))
// Note: iOS gets here too
return OSType.OSX;
// OSX native
else if (File.Exists(systemVersionNative))
// Note: iOS gets here too
return OSType.OSX;
// Windows
else if (!string.IsNullOrEmpty(windir) && Directory.Exists(windir) && Path.DirectorySeparatorChar == '\\')
return OSType.Windows;
return OSType.Unknown;
}
public static bool IsOSPlatform(OSType os, bool checkRealOS)
{
return (checkRealOS ? RealOSType : OSType) == os;
}
}