private static ArgumentUnpacker GetTupleArgumentUnpacker(MethodInfo method)
{
Type tupleType = TaskExtensions.UnwrapReturnType(method.ReturnType);
IEnumerable <string> transformNames = null;
if (method.ReturnParameter.IsDefined(typeof(TupleElementNamesAttribute)))
{
TupleElementNamesAttribute attribute =
method.ReturnParameter.GetCustomAttribute <TupleElementNamesAttribute>();
transformNames = attribute.TransformNames;
}
return(ArgumentUnpackerHelper.GetValueTupleArgumentUnpacker
(tupleType, transformNames));
}
protected WampEventValueTupleConverter()
{
Type tupleType = typeof(TTuple);
if (!tupleType.IsValueTuple())
{
throw new ArgumentException("Expected TTuple to be a ValueTuple");
}
if (!tupleType.IsValidTupleType())
{
throw new ArgumentException("TTuple is an invalid ValueTuple. Expected TRest to be a ValueTuple.");
}
mArrayConverter = ValueTupleArrayConverter <TTuple> .Value;
Type converterType = GetConverterType();
ValidateConverterType(converterType);
IList <string> transformNames = GetTransformNames(converterType);
int tupleLength = tupleType.GetValueTupleLength();
ValidateTransformNames(transformNames, tupleLength);
if (transformNames != null)
{
if (transformNames.Take(tupleLength).All(x => x != null))
{
mDictionaryConverter =
ValueTupleDictionaryConverterBuilder.Build(tupleType, transformNames);
}
}
mArgumentUnpacker =
ArgumentUnpackerHelper.GetValueTupleArgumentUnpacker
(tupleType, transformNames);
}
