Re: [Boost-users] XML Serialization forward compatibility

From: Robert Ramey (ramey_at_[hidden])
Date: 2008-08-18 15:51:20

Note this is touched upon in the serialization documentation under "To Do" 
or "Ideas for new projects"
I forget which.

Robert Ramey

Terdale, Shantibhushan wrote:
> I am trying to use XML serialization for streaming data on network. I
> could understand that with versioning you can make any class backward
> compatible.
> I have a situation which demands the other way; I need to read and
> construct an old object from new XML data. Currently it throws
> stream_error exception for any newly added member. I am trying to
> figure out how to deal with it; either write new archive or derive
> from existing XML archive and do changes etc.
>
> I am wondering whether anybody has done any work towards this idea and
> would like to share their insight.
>
> Thanks
> Shanti