[Boost-users] [serialization] skipping data

From: Joel de Guzman (joel_at_[hidden])
Date: 2006-07-09 21:13:26

Hi,

Here's a use case that I can't seem to find a way to
do using boost.serialization.

Say with version 1, I want to serialize X Y and Z. These
are hierarchical and expensive data structures. Now, with
version 2, I do not need to create Y objects anymore. Yet,
I still have to open version 1 files for backward compatibility.
So, when loading version 1 files, I want to skip reading Y
objects. How do I do that without having to create a temporary
Y object that will be discarded later?

(I'm particularly interested with XML archives. If I had control
over the xml parser, that would simply mean ignoring everything
from the current tag until the next matching tag is found).

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net