5 // Alexander Köplinger (alexander.koeplinger@xamarin.com)
7 // (C) 2016 Xamarin, Inc.
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 namespace System.Runtime.InteropServices
33 public struct OSPlatform : IEquatable<OSPlatform>
35 private readonly string _osPlatform;
37 public static OSPlatform Linux { get; } = new OSPlatform ("LINUX");
39 public static OSPlatform OSX { get; } = new OSPlatform ("OSX");
41 public static OSPlatform Windows { get; } = new OSPlatform ("WINDOWS");
43 private OSPlatform (string osPlatform)
45 if (osPlatform == null) throw new ArgumentNullException (nameof (osPlatform));
46 if (osPlatform.Length == 0) throw new ArgumentException ("Value cannot be empty.", nameof (osPlatform));
48 _osPlatform = osPlatform;
51 public static OSPlatform Create (string osPlatform)
53 return new OSPlatform (osPlatform);
56 public bool Equals (OSPlatform other)
58 return Equals (other._osPlatform);
61 internal bool Equals (string other)
63 return string.Equals (_osPlatform, other, StringComparison.Ordinal);
66 public override bool Equals (object obj)
68 return obj is OSPlatform && Equals ((OSPlatform)obj);
71 public override int GetHashCode ()
73 return _osPlatform == null ? 0 : _osPlatform.GetHashCode ();
76 public override string ToString ()
78 return _osPlatform ?? string.Empty;
81 public static bool operator ==(OSPlatform left, OSPlatform right)
83 return left.Equals (right);
86 public static bool operator !=(OSPlatform left, OSPlatform right)
88 return !(left == right);