/// <summary>
/// Iterates through a list of fields and returns a flattened list of fields.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
public static IReadOnlyFieldList SelectMany(this IReadOnlyFieldList source)
{
var fields = new FieldList(false);
for (int i = 0; i < source.Count; i++)
{
switch (source[i])
{
case StructField field:
fields.Add(field);
for (int j = 0; j < field.Fields.Count; j++)
{
fields.Add(field.Fields[j]);
}
break;
case ListField field:
fields.AddRange(field);
break;
case MapField field:
fields.AddRange(field);
break;
case DecimalField field:
fields.AddRange(field);
break;
case DateTimeField field:
fields.AddRange(field);
break;
case PrimitiveField field:
fields.AddRange(field);
break;
default:
throw new ArgumentException();
}
}
return(fields);
}
public IReadOnlyFieldList RemoveAll <T>(Func <T, bool> criteria)
where T : PrimitiveField
{
var fields = new FieldList();
for (int i = 0; i < _fields.Count; i++)
{
T field = _fields[i].Cast <T>();
if (!criteria(field))
{
continue;
}
fields.Add(_fields.Remove(i));
i = 0;
}
return(fields);
}