mocha/dotnet/Libraries/Mocha.Core/InstanceKey.cs
2023-10-31 11:47:27 -04:00

92 lines
2.4 KiB
C#
Executable File

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