private List <DataMemberDescription> FindMembers(Type objectType)
{
if (objectType == null)
{
throw new ArgumentNullException("objectType");
}
var members = new List <DataMemberDescription>();
var memberNames = new HashSet <string>(StringComparer.Ordinal);
var isOptIn = objectType.GetCustomAttributes(false).Any(a => a.GetType().Name == DATA_CONTRACT_ATTRIBUTE_NAME);
var searchFlags = BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public | (isOptIn ? BindingFlags.NonPublic : 0);
var properties = objectType.GetProperties(searchFlags);
var fields = objectType.GetFields(searchFlags);
foreach (var member in properties.Cast <MemberInfo>().Concat(fields.Cast <MemberInfo>()))
{
if (member is PropertyInfo && (member as PropertyInfo).GetIndexParameters().Length != 0)
{
continue;
}
var dataMemberAttribute = member.GetCustomAttributes(false).FirstOrDefault(a => a.GetType().Name == DATA_MEMBER_ATTRIBUTE_NAME);
var ignoreMemberAttribute = member.GetCustomAttributes(false).FirstOrDefault(a => a.GetType().Name == IGNORE_DATA_MEMBER_ATTRIBUTE_NAME);
if (isOptIn && dataMemberAttribute == null)
{
continue;
}
else if (!isOptIn && ignoreMemberAttribute != null)
{
continue;
}
var dataMember = default(DataMemberDescription);
if (member is PropertyInfo)
{
dataMember = new PropertyDescription(this, member as PropertyInfo);
}
else if (member is FieldInfo)
{
dataMember = new FieldDescription(this, member as FieldInfo);
}
else
{
throw new InvalidOperationException("Unknown member type. Should be PropertyInfo or FieldInfo.");
}
if (string.IsNullOrEmpty(dataMember.Name))
{
throw JsonSerializationException.TypeIsNotValid(objectType, "has no members with empty name");
}
if (memberNames.Contains(dataMember.Name))
{
var conflictingMember = members.First(m => m.Name == dataMember.Name);
throw JsonSerializationException.TypeIsNotValid(objectType, string.Format("has no duplicate member's name '{0}' ('{1}.{2}' and '{3}.{4}')", dataMember.Name, conflictingMember.Member.DeclaringType.Name, conflictingMember.Member.Name, dataMember.Member.DeclaringType.Name, dataMember.Member.Name));
}
members.Add(dataMember);
memberNames.Add(dataMember.Name);
}
return(members);
}