private static T DoStandardExceptionHandling<T>(ArgException ex, ArgHook.HookContext context, CommandLineArgumentsDefinition definition) where T : class
{
Console.WriteLine(ex.Message);
ArgUsage.GetStyledUsage(definition, definition.ExceptionBehavior.ExeName, new ArgUsageOptions
{
ShowPosition = definition.ExceptionBehavior.ShowPositionColumn,
ShowType = definition.ExceptionBehavior.ShowTypeColumn,
ShowPossibleValues = definition.ExceptionBehavior.ShowPossibleValues,
}).Write();
return CreateEmptyResult<T>(context, ex);
}
private static T DoStandardExceptionHandling <T>(ArgException ex, ArgHook.HookContext context, CommandLineArgumentsDefinition definition) where T : class
{
Console.WriteLine(ex.Message);
if (definition.ExceptionBehavior.UsageTemplateFile != null)
{
var template = File.ReadAllText(definition.ExceptionBehavior.UsageTemplateFile);
ArgUsage.GenerateUsageFromTemplate(definition, template).Write();
}
else
{
UsageTemplateProvider.GetUsage(definition.ExceptionBehavior.UsageTemplateProviderType, definition).Write();
}
return(CreateEmptyResult <T>(context, ex));
}
private static T CreateEmptyResult <T>(ArgHook.HookContext context, ArgException ex = null, bool cancelled = false)
{
ArgAction ret = new ArgAction();
if (typeof(T) == typeof(ArgAction))
{
ret = new ArgAction();
}
else if (typeof(T).IsSubclassOf(typeof(ArgAction)))
{
ret = Activator.CreateInstance(typeof(T)) as ArgAction;
}
else
{
return(default(T));
}
ret.HandledException = ex;
ret.Definition = context.Definition;
ret.Context = context;
ret.Cancelled = cancelled;
return((T)((object)ret));
}
