92 lines
2.4 KiB
C#
Executable File
92 lines
2.4 KiB
C#
Executable File
//
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// InstanceKey.cs
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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namespace Mocha.Core
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{
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public struct InstanceKey
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{
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public int ClassIndex { get; }
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public int InstanceIndex { get; }
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private bool _isNotEmpty;
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public bool IsEmpty { get { return !_isNotEmpty; } }
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public static readonly InstanceKey Empty = new InstanceKey();
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public static InstanceKey Parse(string instanceKey)
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{
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return new InstanceKey(instanceKey);
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}
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public InstanceKey(string instanceKey)
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{
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if (instanceKey == null)
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{
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ClassIndex = 0;
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InstanceIndex = 0;
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_isNotEmpty = false;
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}
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else
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{
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if (instanceKey.Contains("$"))
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{
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string[] split = instanceKey.Split(new char[] { '$' });
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if (split.Length == 2)
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{
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if (Int32.TryParse(split[0], out int ci) && Int32.TryParse(split[1], out int ii))
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{
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ClassIndex = ci;
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InstanceIndex = ii;
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_isNotEmpty = true;
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return;
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}
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}
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}
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}
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throw new ArgumentException("must be a string containing two integers separated by a '$'");
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}
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public InstanceKey(int classIndex, int instanceIndex)
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{
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ClassIndex = classIndex;
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InstanceIndex = instanceIndex;
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_isNotEmpty = true;
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}
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public override bool Equals(object obj)
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{
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return (obj is InstanceKey) && ((InstanceKey)obj).ClassIndex == ClassIndex && ((InstanceKey)obj).InstanceIndex == InstanceIndex && ((InstanceKey)obj).IsEmpty == IsEmpty;
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}
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public static bool operator ==(InstanceKey left, InstanceKey right)
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{
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return left.Equals(right);
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}
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public static bool operator !=(InstanceKey left, InstanceKey right)
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{
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return !left.Equals(right);
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}
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public override string ToString()
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{
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return String.Format("{0}${1}", ClassIndex, InstanceIndex);
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}
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}
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}
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