private void InitializeEnumValues()
{
var serializedType = GetSerializedType();
var values = Enum.GetValues(BaseSerializedType).Cast<Enum>();
/* Get enum attributes */
var enumAttributes = values.ToDictionary(value => value, value =>
{
var memberInfo = BaseSerializedType.GetMember(value.ToString()).Single();
return (SerializeAsEnumAttribute) memberInfo.GetCustomAttributes(
typeof (SerializeAsEnumAttribute),
false).FirstOrDefault();
});
EnumInfo = new EnumInfo();
/* If any are specified, build dictionary of them one time */
if (enumAttributes.Any(enumAttribute => enumAttribute.Value != null) ||
serializedType == SerializedType.NullTerminatedString ||
serializedType == SerializedType.SizedString ||
serializedType == SerializedType.LengthPrefixedString)
{
EnumInfo.EnumValues = enumAttributes.ToDictionary(enumAttribute => enumAttribute.Key,
enumAttribute =>
{
var attribute = enumAttribute.Value;
return attribute != null && attribute.Value != null
? attribute.Value
: enumAttribute.Key.ToString();
});
EnumInfo.ValueEnums = EnumInfo.EnumValues.ToDictionary(enumValue => enumValue.Value,
enumValue => enumValue.Key);
var lengthGroups =
EnumInfo.EnumValues.Where(enumValue => enumValue.Value != null)
.Select(enumValue => enumValue.Value)
.GroupBy(value => value.Length).ToList();
/* If the graphType isn't specified, let's try to guess it smartly */
if (serializedType == SerializedType.Default)
{
/* If everything is the same length, assume fixed length */
if (lengthGroups.Count == 1)
{
EnumInfo.SerializedType = SerializedType.SizedString;
EnumInfo.EnumValueLength = lengthGroups[0].Key;
}
else EnumInfo.SerializedType = SerializedType.NullTerminatedString;
}
else if (serializedType == SerializedType.SizedString)
{
/* If fixed size is specified, get max length in order to accomodate all values */
EnumInfo.EnumValueLength = lengthGroups[0].Max(lengthGroup => lengthGroup.Length);
}
}
/* If a field length is specified to be less than the max enum value length, we can't reliably recover the enum
* values on deserialization. */
//if (enumInfo.EnumValueLength != null && FieldLengthBinding != null && FieldLengthBinding.IsConst)
//{
// if ((int) FieldLengthBinding.Value < enumInfo.EnumValueLength.Value)
// throw new InvalidOperationException("Field length cannot be less than max enum name length.");
//}
EnumInfo.UnderlyingType = Enum.GetUnderlyingType(BaseSerializedType);
if (EnumInfo.SerializedType == SerializedType.Default)
{
EnumInfo.SerializedType = GetSerializedType(EnumInfo.UnderlyingType);
}
}
private void InitializeEnumValues()
{
var serializedType = GetSerializedType();
var values = Enum.GetValues(Type).Cast <Enum>();
/* Get enum attributes */
var enumAttributes = values.ToDictionary(value => value, value =>
{
var memberInfo = Type.GetMember(value.ToString()).Single();
return((SerializeAsEnumAttribute)memberInfo.GetCustomAttributes(
typeof(SerializeAsEnumAttribute),
false).FirstOrDefault());
});
EnumInfo = new EnumInfo();
/* If any are specified, build dictionary of them one time */
if (enumAttributes.Any(enumAttribute => enumAttribute.Value != null) ||
serializedType == SerializedType.NullTerminatedString ||
serializedType == SerializedType.SizedString ||
serializedType == SerializedType.LengthPrefixedString)
{
EnumInfo.EnumValues = enumAttributes.ToDictionary(enumAttribute => enumAttribute.Key,
enumAttribute =>
{
var attribute = enumAttribute.Value;
return(attribute != null && attribute.Value != null
? attribute.Value
: enumAttribute.Key.ToString());
});
EnumInfo.ValueEnums = EnumInfo.EnumValues.ToDictionary(enumValue => enumValue.Value,
enumValue => enumValue.Key);
var lengthGroups =
EnumInfo.EnumValues.Where(enumValue => enumValue.Value != null)
.Select(enumValue => enumValue.Value)
.GroupBy(value => value.Length).ToList();
/* If the graphType isn't specified, let's try to guess it smartly */
if (serializedType == SerializedType.Default)
{
/* If everything is the same length, assume fixed length */
if (lengthGroups.Count == 1)
{
EnumInfo.SerializedType = SerializedType.SizedString;
EnumInfo.EnumValueLength = lengthGroups[0].Key;
}
else
{
EnumInfo.SerializedType = SerializedType.NullTerminatedString;
}
}
else if (serializedType == SerializedType.SizedString)
{
/* If fixed size is specified, get max length in order to accomodate all values */
EnumInfo.EnumValueLength = lengthGroups[0].Max(lengthGroup => lengthGroup.Length);
}
}
/* If a field length is specified to be less than the max enum value length, we can't reliably recover the enum
* values on deserialization. */
//if (enumInfo.EnumValueLength != null && FieldLengthBinding != null && FieldLengthBinding.IsConst)
//{
// if ((int) FieldLengthBinding.Value < enumInfo.EnumValueLength.Value)
// throw new InvalidOperationException("Field length cannot be less than max enum name length.");
//}
EnumInfo.UnderlyingType = Enum.GetUnderlyingType(Type);
if (EnumInfo.SerializedType == SerializedType.Default)
{
EnumInfo.SerializedType = GetSerializedType(EnumInfo.UnderlyingType);
}
}
