/// <summary>
/// Gets the last arg allowed to be consumed
/// </summary>
/// <param name="request">The request.</param>
/// <returns>The last arg allowed to be consumed</returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public static string Last(this ConsumptionRequest request)
{
var from = request.AllToBeConsumed().ToList();
if (!from.Any())
{
throw new ArgumentOutOfRangeException();
}
return(from.Last());
}
/// <summary>
/// Consumes the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="request">The request.</param>
/// <returns>ConsumptionResult.</returns>
/// <exception cref="MissingValueException"></exception>
public virtual ConsumptionResult Consume(object instance, ConsumptionRequest request)
{
try
{
if (request.Max < MinRequired)
{
throw new MissingValueException(Parser,
$"Switch {this} expected to have at least {MinRequired} values, but was told it can only have {request.Max}. Are you sure you passed enough values to satisfy the switch?");
}
HasBeenConsumed = true;
var values = request.AllToBeConsumed().Take(MaxAllowed).ToArray();
ConsumeCallback(instance, values);
return(new ConsumptionResult(request.Info, values.Length, this));
}
catch (ParseException pe)
{
return(new ConsumptionResult(pe));
}
}
