public override void Write(Utf8JsonWriter writer, TC value, JsonSerializerOptions options)
{
if (value == null)
{
writer.WriteNullValue();
return;
}
using (new DepthHandler(options))
{
ReferenceHandler referenceResolver = null;
if (_referenceHandling == ReferenceHandling.Ignore)
{
referenceResolver = SerializationContext.Current.ReferenceHandler;
}
else if (_referenceHandling == ReferenceHandling.Preserve)
{
writer.WriteStartObject();
referenceResolver = SerializationContext.Current.ReferenceHandler;
string reference = referenceResolver.GetReference(value, out bool firstReference);
if (firstReference)
{
writer.WriteString(ReferenceHandler.ID_MEMBER_NAME, reference);
writer.WritePropertyName(ReferenceHandler.VALUES_MEMBER_NAME);
}
else
{
writer.WriteString(ReferenceHandler.REF_MEMBER_NAME, reference);
writer.WriteEndObject();
return;
}
}
writer.WriteStartArray();
foreach (TI item in value)
{
if (_referenceHandling == ReferenceHandling.Ignore)
{
if (referenceResolver.IsReferenced(item))
{
continue;
}
else
{
referenceResolver.AddReference(item);
}
}
_itemConverter.Write(writer, item, options);
}
writer.WriteEndArray();
if (_referenceHandling == ReferenceHandling.Preserve)
{
writer.WriteEndObject();
}
}
}
