/// <summary>
/// Tries to parse the provided string, extracting a value of the type
/// described by this interface.
/// </summary>
/// <param name="context">Context for parsing.</param>
/// <param name="stringToParse">The string to parse.</param>
/// <returns>True on success; false otherwise.</returns>
protected override object Parse(ArgumentParseContext context, string stringToParse)
{
if (!_commandArgType.TryParse(context, stringToParse, out object selection))
{
throw new ArgumentOutOfRangeException(nameof(stringToParse));
}
var groupOptions = new CommandGroupOptions
{
ServiceConfigurer = context.ServiceConfigurer
};
var constructorArgTypes = new[] { typeof(CommandGroupOptions), typeof(object), typeof(object) };
var commandGroupConstructor = Type.GetTypeInfo().GetConstructor(constructorArgTypes);
if (commandGroupConstructor == null)
{
throw new InternalInvariantBrokenException($"Constructor not found in {Type.FullName}: ({string.Join(", ", constructorArgTypes.Select(ty => ty.FullName))})");
}
try
{
return(commandGroupConstructor.Invoke(new[] { groupOptions, selection, context.ContainingObject }));
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
}
protected override object Parse(ArgumentParseContext context, string stringToParse)
{
if (!_commandArgType.TryParse(context, stringToParse, out object selection))
{
throw new ArgumentOutOfRangeException(nameof(stringToParse));
}
var commandGroupConstructor = Type.GetTypeInfo().GetConstructor(new[] { _commandTypeType });
if (commandGroupConstructor == null)
{
throw new ArgumentOutOfRangeException(nameof(stringToParse));
}
var group = commandGroupConstructor.Invoke(new[] { selection });
if (group == null)
{
throw new ArgumentOutOfRangeException(nameof(stringToParse));
}
return(group);
}