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Pilz/Pilz/Runtime/RuntimeInformationsEx.vb
2023-08-26 20:34:42 +02:00

82 lines
2.6 KiB
VB.net

Imports System.IO
Imports System.Runtime.InteropServices
Namespace Runtime
Public Module RuntimeInformationsEx
Public ReadOnly Property OSType As OSType
Get
Static t As OSType? = Nothing
If t Is Nothing Then
Select Case True
Case RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
t = OSType.Windows
Case RuntimeInformation.IsOSPlatform(OSPlatform.Linux)
t = OSType.Linux
Case RuntimeInformation.IsOSPlatform(OSPlatform.OSX)
t = OSType.OSX
Case Else
t = OSType.Unknown
End Select
End If
Return t
End Get
End Property
Public ReadOnly Property RealOSType As OSType
Get
Static t As OSType? = Nothing
If t Is Nothing Then
Dim windir = Environment.GetEnvironmentVariable("windir")
Const ostypeDirWine = "Z:\proc\sys\kernel\ostype"
Const ostypeDirNative = "/proc/sys/kernel/ostype"
Const systemVersionWine = "Z:\System\Library\CoreServices\SystemVersion.plist"
Const systemVersionNative = "/System/Library/CoreServices/SystemVersion.plist"
If File.Exists(ostypeDirWine) Then ' Linux using wine
Dim osTypeString As String = File.ReadAllText(ostypeDirWine)
If osTypeString.StartsWith("Linux", StringComparison.OrdinalIgnoreCase) Then
' Note: Android gets here too
t = OSType.Linux
Else
t = OSType.Unknown
End If
ElseIf File.Exists(ostypeDirNative) Then ' Linux native
Dim osTypeString As String = File.ReadAllText(ostypeDirNative)
If osTypeString.StartsWith("Linux", StringComparison.OrdinalIgnoreCase) Then
' Note: Android gets here too
t = OSType.Linux
Else
t = OSType.Unknown
End If
ElseIf File.Exists(systemVersionWine) Then ' OSX using wine
' Note: iOS gets here too
t = OSType.OSX
ElseIf File.Exists(systemVersionNative) Then ' OSX native
' Note: iOS gets here too
t = OSType.OSX
ElseIf Not String.IsNullOrEmpty(windir) AndAlso Directory.Exists(windir) AndAlso Path.DirectorySeparatorChar = "\"c Then ' Windows
t = OSType.Windows
Else
t = OSType.Unknown
End If
End If
Return t
End Get
End Property
Public Function IsOSPlatform(os As OSType, checkRealOS As Boolean) As Boolean
Return If(checkRealOS, RealOSType, OSType) = os
End Function
End Module
End Namespace