private static List <FieldDescription> FieldDescriptionsFromType(Type sampleType, string prefix = "")
{
var descriptions = new List <FieldDescription>();
// Handle A Primitive Type
var primitiveType = FieldDescription.GetAlteryxFieldType(sampleType);
if (primitiveType != FieldType.E_FT_Unknown)
{
descriptions.Add(
new FieldDescription(
"Value",
primitiveType,
source: $"RoslynInput: {sampleType.Name}")
{
Description = $"BaseValue: {sampleType.Name}"
});
return(descriptions);
}
// Handle Enumerable Types
var iEnumerableType = sampleType.IsInterface &&
sampleType.GetGenericTypeDefinition() == typeof(IEnumerable <>)
? sampleType.GenericTypeArguments[0]
: sampleType.GetInterfaces()
.Where(
i =>
i.IsGenericType &&
i.GetGenericTypeDefinition() == typeof(IEnumerable <>))
.Select(i => i.GenericTypeArguments[0])
.FirstOrDefault();
if (iEnumerableType != null)
{
return(FieldDescriptionsFromType(iEnumerableType));
}
// Add All Properties
foreach (var propertyInfo in sampleType.GetProperties())
{
if (!propertyInfo.CanRead)
{
continue;
}
var descriptionType = FieldDescription.GetAlteryxFieldType(propertyInfo.PropertyType);
if (descriptionType == FieldType.E_FT_Unknown)
{
// ToDo: Recurse ... descriptions.AddRange(FieldDescriptionsFromType(propertyInfo.PropertyType, (prefix == "" ? "" : $"{prefix}.") + propertyInfo.Name + "."));
continue;
}
descriptions.Add(
new FieldDescription(
prefix + propertyInfo.Name,
descriptionType,
source: "RoslynInput"));
}
return(descriptions);
}
