feat: one time listeners for events added
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8d49fb467c
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@ -5,11 +5,14 @@ namespace Syntriax.Engine.Core;
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public class Event
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{
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private readonly List<EventHandler> listeners = new(8);
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private readonly List<EventHandler> listeners = new(4);
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private readonly List<EventHandler> onceListeners = new(2);
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public void AddListener(EventHandler listener) => listeners.Add(listener);
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public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);
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public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
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public void Clear() => listeners.Clear();
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public void RemoveOnceListener(EventHandler listener) => onceListeners.Remove(listener);
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public void Clear() { listeners.Clear(); onceListeners.Clear(); }
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public void Invoke()
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{
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for (int i = 0; i < listeners.Count; i++)
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@ -19,6 +22,17 @@ public class Event
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string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}()";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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for (int i = onceListeners.Count - 1; i >= 0; i--)
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{
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try { onceListeners[i].Invoke(); }
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catch (Exception exception)
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{
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string methodCallRepresentation = $"{onceListeners[i].Method.DeclaringType?.FullName}.{onceListeners[i].Method.Name}()";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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onceListeners.RemoveAt(i);
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}
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}
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public delegate void EventHandler();
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@ -26,20 +40,34 @@ public class Event
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public class Event<TSender>
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{
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private readonly List<EventHandler> listeners = new(8);
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private readonly List<EventHandler> listeners = new(4);
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private readonly List<EventHandler> onceListeners = new(2);
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public void AddListener(EventHandler listener) => listeners.Add(listener);
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public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);
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public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
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public void Clear() => listeners.Clear();
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public void Invoke(TSender argument)
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public void RemoveOnceListener(EventHandler listener) => onceListeners.Remove(listener);
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public void Clear() { listeners.Clear(); onceListeners.Clear(); }
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public void Invoke(TSender sender)
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{
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for (int i = 0; i < listeners.Count; i++)
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try { listeners[i].Invoke(argument); }
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try { listeners[i].Invoke(sender); }
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catch (Exception exception)
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{
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string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}({argument})";
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string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}({sender})";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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for (int i = onceListeners.Count - 1; i >= 0; i--)
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{
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try { onceListeners[i].Invoke(sender); }
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catch (Exception exception)
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{
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string methodCallRepresentation = $"{onceListeners[i].Method.DeclaringType?.FullName}.{onceListeners[i].Method.Name}({sender})";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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onceListeners.RemoveAt(i);
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}
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}
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public delegate void EventHandler(TSender sender);
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@ -47,11 +75,14 @@ public class Event<TSender>
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public class Event<TSender, TArguments>
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{
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private readonly List<EventHandler> listeners = new(8);
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private readonly List<EventHandler> listeners = new(4);
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private readonly List<EventHandler> onceListeners = new(2);
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public void AddListener(EventHandler listener) => listeners.Add(listener);
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public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);
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public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
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public void Clear() => listeners.Clear();
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public void RemoveOnceListener(EventHandler listener) => onceListeners.Remove(listener);
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public void Clear() { listeners.Clear(); onceListeners.Clear(); }
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public void Invoke(TSender sender, TArguments args)
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{
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for (int i = 0; i < listeners.Count; i++)
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@ -61,6 +92,17 @@ public class Event<TSender, TArguments>
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string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}({string.Join(", ", sender, args)})";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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for (int i = onceListeners.Count - 1; i >= 0; i--)
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{
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try { onceListeners[i].Invoke(sender, args); }
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catch (Exception exception)
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{
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string methodCallRepresentation = $"{onceListeners[i].Method.DeclaringType?.FullName}.{onceListeners[i].Method.Name}({string.Join(", ", sender, args)})";
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Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
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}
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onceListeners.RemoveAt(i);
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}
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}
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public delegate void EventHandler(TSender sender, TArguments args);
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