CountedInstance.cs

namespace Pluton.Core
{
	using System;
	using System.Collections.Generic;

	[Serializable]
	public class CountedInstance
	{
		[NonSerialized]
		public static Dictionary<Type, CountedInstance.Counts> InstanceTypes = new Dictionary<Type, CountedInstance.Counts>();

		~CountedInstance()
		{
			CountedInstance.RemoveCount(base.GetType());
		}

		public CountedInstance()
		{
			CountedInstance.AddCount(base.GetType());
		}

		static CountedInstance()
		{
			CountedInstance.InstanceTypes = new Dictionary<Type, CountedInstance.Counts>();
		}

		internal static void AddCount(Type type)
		{
			CountedInstance.Counts counts;
			if (CountedInstance.InstanceTypes.TryGetValue(type, out counts)) {
				counts.Created++;
				return;
			}
			CountedInstance.InstanceTypes.Add(type, new CountedInstance.Counts());
		}

		internal static void RemoveCount(Type type)
		{
			CountedInstance.Counts counts;
			if (CountedInstance.InstanceTypes.TryGetValue(type, out counts)) {
				counts.Destroyed++;
			}
		}

		public static string InstanceReportText()
		{
			string text = "";
			foreach (KeyValuePair<Type, CountedInstance.Counts> current in CountedInstance.InstanceTypes) {
				object obj = text;
				text = String.Concat(new object[] {
					obj,
					current.Key.FullName,
					Environment.NewLine + "\tCurrently:\t",
					current.Value.Created - current.Value.Destroyed,
					Environment.NewLine + "\tCreated:  \t",
					current.Value.Created,
					Environment.NewLine
				});
			}
			return text;
		}

		[Serializable]
		public class Counts
		{
			public int Created = 1;
			public int Destroyed;
		}
	}
}