private static bool HandleNull(ref ReadObjectState current, JsonSerializerOptions options)
{
Debug.Assert(current.PropertyInfo != null);
JsonPropertyInfo propertyInfo = current.PropertyInfo;
if (!propertyInfo.CanBeNull)
{
throw new InvalidOperationException($"todo: {propertyInfo.PropertyType} can't be null");
}
if (current.IsEnumerable() || current.IsPropertyEnumerable())
{
ReadObjectState.SetReturnValue(null, options, ref current);
return(false);
}
if (current.ReturnValue == null)
{
return(true);
}
if (!propertyInfo.IgnoreNullPropertyValueOnRead(options))
{
current.PropertyInfo.SetValueAsObject(current.ReturnValue, null, options);
}
return(false);
}
private static bool HandleNull(ref Utf8JsonReader reader, ref ReadStack state, JsonSerializerOptions options)
{
if (state.Current.Skip())
{
return(false);
}
// If we don't have a valid property, that means we read "null" for a root object so just return.
if (state.Current.JsonPropertyInfo == null)
{
Debug.Assert(state.IsLastFrame);
Debug.Assert(state.Current.ReturnValue == null);
return(true);
}
JsonPropertyInfo propertyInfo = state.Current.JsonPropertyInfo;
if (!propertyInfo.CanBeNull)
{
ThrowHelper.ThrowJsonReaderException_DeserializeCannotBeNull(reader, state);
}
if (state.Current.IsEnumerable() || state.Current.IsPropertyEnumerable())
{
ReadStackFrame.SetReturnValue(null, options, ref state.Current);
return(false);
}
if (state.Current.ReturnValue == null)
{
Debug.Assert(state.IsLastFrame);
return(true);
}
if (!propertyInfo.IgnoreNullPropertyValueOnRead(options))
{
state.Current.JsonPropertyInfo.SetValueAsObject(state.Current.ReturnValue, null, options);
}
return(false);
}