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using System;
using System.Collections.Generic;
using System.Linq;
namespace StardewModdingAPI.Framework
{
/// <summary>Provides extension methods for SMAPI's internal use.</summary>
internal static class InternalExtensions
{
/*********
** Public methods
*********/
/****
** IMonitor
****/
/// <summary>Safely raise an <see cref="EventHandler"/> event, and intercept any exceptions thrown by its handlers.</summary>
/// <param name="monitor">Encapsulates monitoring and logging.</param>
/// <param name="name">The event name for error messages.</param>
/// <param name="handlers">The event handlers.</param>
/// <param name="sender">The event sender.</param>
/// <param name="args">The event arguments (or <c>null</c> to pass <see cref="EventArgs.Empty"/>).</param>
public static void SafelyRaisePlainEvent(this IMonitor monitor, string name, IEnumerable<Delegate> handlers, object sender = null, EventArgs args = null)
{
if (handlers == null)
return;
foreach (EventHandler handler in Enumerable.Cast<EventHandler>(handlers))
{
try
{
handler.Invoke(sender, args ?? EventArgs.Empty);
}
catch (Exception ex)
{
monitor.Log($"A mod failed handling the {name} event:\n{ex}", LogLevel.Error);
}
}
}
/// <summary>Safely raise an <see cref="EventHandler{TEventArgs}"/> event, and intercept any exceptions thrown by its handlers.</summary>
/// <typeparam name="TEventArgs">The event argument object type.</typeparam>
/// <param name="monitor">Encapsulates monitoring and logging.</param>
/// <param name="name">The event name for error messages.</param>
/// <param name="handlers">The event handlers.</param>
/// <param name="sender">The event sender.</param>
/// <param name="args">The event arguments.</param>
public static void SafelyRaiseGenericEvent<TEventArgs>(this IMonitor monitor, string name, IEnumerable<Delegate> handlers, object sender, TEventArgs args)
{
if (handlers == null)
return;
foreach (EventHandler<TEventArgs> handler in Enumerable.Cast<EventHandler<TEventArgs>>(handlers))
{
try
{
handler.Invoke(sender, args);
}
catch (Exception ex)
{
monitor.Log($"A mod failed handling the {name} event:\n{ex}", LogLevel.Error);
}
}
}
}
}
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