private static EnumValue[] GetValues([NotNull] Type enumType)
{
var result = new List <EnumValue>();
var actualType = enumType.ToNullableUnderlying();
var fields = ReflectionEnumHelper.GetFields(actualType)
.ToDictionary(m => m.Name, StringComparer.Ordinal);
var enumNames = Enum.GetNames(enumType);
var enumValues = Enum.GetValues(enumType).Cast <object>();
foreach (var(name, value) in enumNames.Zip(enumValues, (name, value) => (name, value)))
{
var field = fields[name];
var displayAttribute = field.GetCustomAttribute <DisplayAttribute>();
result.Add(
new EnumValue(
name,
(Enum)value,
field,
displayAttribute?.GetName(),
displayAttribute?.GetDescription()));
}
return(result.ToArray());
}
private static MetricUnit[] GetMetricUnits(Type metricEnumType)
{
var result = new List <MetricUnit>();
var fields = ReflectionEnumHelper.GetFields(metricEnumType)
.OrderBy(f => Convert.ToDouble(f.GetValue(null), CultureInfo.InvariantCulture));
MetricUnit previousUnit = null;
foreach (var field in fields)
{
var unit = GetMetricUnit(field);
if (previousUnit != null)
{
Code.AssertArgument(
previousUnit.AppliesFrom < unit.AppliesFrom,
nameof(metricEnumType),
$"The applies from value of {metricEnumType.Name}.{unit.EnumValue} ({unit.AppliesFrom.ToInvariantString()}) " +
$"should be greater than prev unit {metricEnumType.Name}.{previousUnit.EnumValue} value ({previousUnit.AppliesFrom.ToInvariantString()})");
}
previousUnit = unit;
result.Add(unit);
}
Code.AssertArgument(
result.Count > 0,
nameof(metricEnumType),
$"The enum {metricEnumType} should be not empty.");
return(result.ToArray());
}
