public static object InternalToObject(JsTypeFunction enumType, object value)
{
var enumsByValue = enumsByTypeAndValue[enumType.TypeName];
Enum result = enumsByValue.GetOrDefault(value);
if (result != null)
{
return(result);
}
else
{
// Otherwise it's an enum value that isn't represented by a declared member. In
// this case, we need to box the value and then force it to be recognized as the
// enum type.
result = Jsni.@new(Jsni.reference("Number"), value.As <JsObject>()).As <Enum>();
foreach (var property in enumType.member("prototype"))
{
result.As <JsObject>()[property] = enumType.member("prototype")[property];
}
foreach (var property in Jsni.type <Enum>().member("prototype"))
{
result.As <JsObject>()[property] = Jsni.type <Enum>().member("prototype")[property];
}
result.___type = enumType;
result.As <JsObject>().memberset("value", value.As <JsObject>());
enumsByValue[value] = result;
return(result);
}
}
/// <summary>
/// 判断值是否存在于集合中，主要用于位枚举的判断
/// </summary>
/// <param name="col"></param>
/// <param name="value"></param>
/// <returns></returns>
public static bool Contains(this Enum col, Enum value)
{
if (col.GetType() != value.GetType())
{
return false;
}
if (!col.Equals(value))
{
return (col.As<int>() & value.As<int>()) != 0;
}
return true;
}