public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var jToken = JToken.Load(reader);
if (jToken.Type == JTokenType.Null)
{
return(null);
}
int[] values = ((JArray)jToken).Values <int>().ToArray();
var pureType = NullableUtils.GetUnderlyingTypeIfNullable(objectType);
FieldInfo[] enumFields = pureType.GetFields(BindingFlags.Public | BindingFlags.Static);
int setFlags = 0;
foreach (FieldInfo enumField in enumFields)
{
int enumValue = (int)enumField.GetValue(null);
// If there is a serialize value set for the enum value, look for that instead of the int value
SerializeValueAttribute serializeValue = enumField.GetCustomAttribute <SerializeValueAttribute>();
int searchValue = serializeValue?.Value ?? enumValue;
if (Array.IndexOf(values, searchValue) >= 0)
{
setFlags |= enumValue;
}
}
return(Enum.ToObject(pureType, setFlags));
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
FieldInfo[] enumFields = value.GetType().GetFields(BindingFlags.Public | BindingFlags.Static);
List <string> setFlags = new List <string>();
foreach (FieldInfo enumField in enumFields)
{
// Make sure the flag is set before doing any other work
int enumValue = (int)enumField.GetValue(null);
if (((int)value & enumValue) == 0)
{
continue;
}
// If there is a serialize value set for the member, use that instead of the int value
SerializeValueAttribute serializeValue = enumField.GetCustomAttribute <SerializeValueAttribute>();
string flagValue = serializeValue?.Value ?? enumField.Name;
if (serializer.ContractResolver is CamelCasePropertyNamesContractResolver)
{
flagValue = char.ToLowerInvariant(flagValue[0]) + flagValue.Substring(1);
}
setFlags.Add($"\"{flagValue}\"");
}
string joinedFlags = string.Join(", ", setFlags);
writer.WriteRawValue($"[{joinedFlags}]");
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JToken jToken = JToken.Load(reader);
if (jToken.Type == JTokenType.Null)
{
return(null);
}
string[] values = ((JArray)jToken).Values <string>().ToArray();
var pureType = NullableUtils.GetUnderlyingTypeIfNullable(objectType);
FieldInfo[] enumFields = pureType.GetFields(BindingFlags.Public | BindingFlags.Static);
int setFlags = 0;
foreach (FieldInfo enumField in enumFields)
{
// If there is a serialize value set for the enum value, look for the instead of the int value
SerializeValueAttribute serializeValue = enumField.GetCustomAttribute <SerializeValueAttribute>();
string searchValue = serializeValue?.Value ?? enumField.Name;
if (serializer.ContractResolver is CamelCasePropertyNamesContractResolver)
{
searchValue = char.ToLowerInvariant(searchValue[0]) + searchValue.Substring(1);
}
// If the value is in the json array, or the int value into the flags
if (Array.IndexOf(values, searchValue) >= 0)
{
setFlags |= (int)enumField.GetValue(null);
}
}
return(Enum.ToObject(pureType, setFlags));
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
FieldInfo[] enumFields = value.GetType().GetFields(BindingFlags.Public | BindingFlags.Static);
List <int> setFlags = new List <int>();
foreach (FieldInfo enumField in enumFields)
{
// Make sure the flag is set before doing expensive reflection
int enumValue = (int)enumField.GetValue(null);
if (((int)value & enumValue) == 0)
{
continue;
}
// If there is a serialize value set for the member, use that instead of the int value
SerializeValueAttribute serializeValue = enumField.GetCustomAttribute <SerializeValueAttribute>();
int flagValue = serializeValue?.Value ?? enumValue;
setFlags.Add(flagValue);
}
string joinedFlags = string.Join(", ", setFlags);
writer.WriteRawValue($"[{joinedFlags}]");
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
// TODO: Fix to handle nullables properly
int[] values = JArray.Load(reader).Values <int>().ToArray();
FieldInfo[] enumFields = objectType.GetFields(BindingFlags.Public | BindingFlags.Static);
int setFlags = 0;
foreach (FieldInfo enumField in enumFields)
{
int enumValue = (int)enumField.GetValue(null);
// If there is a serialize value set for the enum value, look for that instead of the int value
SerializeValueAttribute serializeValue = enumField.GetCustomAttribute <SerializeValueAttribute>();
int searchValue = serializeValue?.Value ?? enumValue;
if (Array.IndexOf(values, searchValue) >= 0)
{
setFlags |= enumValue;
}
}
return(Enum.ToObject(objectType, setFlags));
}
