91 lines
2.6 KiB
C#
91 lines
2.6 KiB
C#
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//
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// OSPlatform.cs
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//
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// Author:
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// Alexander Köplinger (alexander.koeplinger@xamarin.com)
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//
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// (C) 2016 Xamarin, Inc.
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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namespace System.Runtime.InteropServices
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{
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public struct OSPlatform : IEquatable<OSPlatform>
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{
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private readonly string _osPlatform;
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public static OSPlatform Linux { get; } = new OSPlatform ("LINUX");
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public static OSPlatform OSX { get; } = new OSPlatform ("OSX");
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public static OSPlatform Windows { get; } = new OSPlatform ("WINDOWS");
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private OSPlatform (string osPlatform)
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{
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if (osPlatform == null) throw new ArgumentNullException (nameof (osPlatform));
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if (osPlatform.Length == 0) throw new ArgumentException ("Value cannot be empty.", nameof (osPlatform));
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_osPlatform = osPlatform;
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}
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public static OSPlatform Create (string osPlatform)
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{
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return new OSPlatform (osPlatform);
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}
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public bool Equals (OSPlatform other)
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{
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return Equals (other._osPlatform);
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}
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internal bool Equals (string other)
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{
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return string.Equals (_osPlatform, other, StringComparison.Ordinal);
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}
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public override bool Equals (object obj)
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{
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return obj is OSPlatform && Equals ((OSPlatform)obj);
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}
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public override int GetHashCode ()
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{
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return _osPlatform == null ? 0 : _osPlatform.GetHashCode ();
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}
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public override string ToString ()
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{
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return _osPlatform ?? string.Empty;
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}
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public static bool operator ==(OSPlatform left, OSPlatform right)
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{
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return left.Equals (right);
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}
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public static bool operator !=(OSPlatform left, OSPlatform right)
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{
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return !(left == right);
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}
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}
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}
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