private void AddArgument(PropertyInfo prop,
ArgumentAttribute argumentAttr,
ConventionContext convention,
SortedList <int, CommandArgument> argOrder,
Dictionary <int, PropertyInfo> argPropOrder)
{
var argument = argumentAttr.Configure(prop);
foreach (var attr in prop.GetCustomAttributes().OfType <ValidationAttribute>())
{
argument.Validators.Add(new AttributeValidator(attr));
}
argument.MultipleValues =
prop.PropertyType.IsArray ||
(typeof(IEnumerable).IsAssignableFrom(prop.PropertyType) &&
prop.PropertyType != typeof(string));
if (argPropOrder.TryGetValue(argumentAttr.Order, out var otherProp))
{
throw new InvalidOperationException(
Strings.DuplicateArgumentPosition(argumentAttr.Order, prop, otherProp));
}
argPropOrder.Add(argumentAttr.Order, prop);
argOrder.Add(argumentAttr.Order, argument);
var setter = ReflectionHelper.GetPropertySetter(prop);
if (argument.MultipleValues)
{
convention.Application.OnParsingComplete(r =>
{
var collectionParser = CollectionParserProvider.Default.GetParser(
prop.PropertyType,
convention.Application.ValueParsers);
if (collectionParser == null)
{
throw new InvalidOperationException(Strings.CannotDetermineParserType(prop));
}
if (argument.Values.Count == 0)
{
return;
}
if (r.SelectedCommand is IModelAccessor cmd)
{
setter.Invoke(cmd.GetModel(), collectionParser.Parse(argument.Name, argument.Values));
}
});
}
else
{
convention.Application.OnParsingComplete(r =>
{
var parser = convention.Application.ValueParsers.GetParser(prop.PropertyType);
if (parser == null)
{
throw new InvalidOperationException(Strings.CannotDetermineParserType(prop));
}
if (argument.Values.Count == 0)
{
return;
}
if (r.SelectedCommand is IModelAccessor cmd)
{
setter.Invoke(
cmd.GetModel(),
parser.Parse(
argument.Name,
argument.Value,
convention.Application.ValueParsers.ParseCulture));
}
});
}
}
