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(#606) added ExceptionHandler to ICommandAppSettings

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So exceptions can be handled in Spectre.Console.Cli.
Also, some documentation was added.
This commit is contained in:
Nils Andresen
2021-10-30 00:20:49 +02:00
committed by Patrik Svensson
parent 045d0922c8
commit c5c1852fc3
7 changed files with 267 additions and 41 deletions
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34
src/Spectre.Console/Cli/ConfiguratorExtensions.cs
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@ -224,5 +224,39 @@ namespace Spectre.Console.Cli
return configurator.AddDelegate<TSettings>(name, (c, _) => func(c));
}
/// <summary>
/// Sets the ExceptionsHandler.
/// <para>Setting <see cref="ICommandAppSettings.ExceptionHandler"/> this way will use the
/// default exit code of -1.</para>
/// </summary>
/// <param name="configurator">The configurator.</param>
/// <param name="exceptionHandler">The Action that handles the exception.</param>
/// <returns>A configurator that can be used to configure the application further.</returns>
public static IConfigurator SetExceptionHandler(this IConfigurator configurator, Action<Exception> exceptionHandler)
{
return configurator.SetExceptionHandler(ex =>
{
exceptionHandler(ex);
return -1;
});
}
/// <summary>
/// Sets the ExceptionsHandler.
/// </summary>
/// <param name="configurator">The configurator.</param>
/// <param name="exceptionHandler">The Action that handles the exception.</param>
/// <returns>A configurator that can be used to configure the application further.</returns>
public static IConfigurator SetExceptionHandler(this IConfigurator configurator, Func<Exception, int>? exceptionHandler)
{
if (configurator == null)
{
throw new ArgumentNullException(nameof(configurator));
}
configurator.Settings.ExceptionHandler = exceptionHandler;
return configurator;
}
}
}