Re: [Boost-users] [serialization] Sending user data to serialize()?

Subject: Re: [Boost-users] [serialization] Sending user data to serialize()?
From: Robert Dailey (rcdailey_at_[hidden])
Date: 2009-02-04 14:47:34

I hate to pester the community but I am really blocked on this. Help would
be very much appreciated.

Thanks again to everyone for reading.

On Tue, Feb 3, 2009 at 9:30 AM, Robert Dailey <rcdailey_at_[hidden]> wrote:

> Hi,
>
> I have a complex case I'm trying to work with. I may be doing this
> completely wrong so if there is a better design for this I'm always open for
> that. However for now I'm going to assume my particular problem can be
> solved.
>
> There exists two classes: A and B. Class A is defined as such:
>
> class A
> {
> public:
>     template< typename Archive >
>     void load( Archive& archive, unsigned int )
>     {
>         archive & m_listOfB;
>     }
>
> private:
>     std::vector<int> m_listOfInt;
>     boost::ptr_vector<B> m_listOfB;
> };
>
> And class B is defined roughly as:
>
> class B
> {
> public:
>     template< typename Archive >
>     void load( Archive& archive, unsigned int )
>     {
>         // Code isn't important here
>     }
> };
>
> Here's the problem:
>
> For each B that is deserialized by A::load(), I need to pass in a reference
> to m_listOfInt. So, essentially the load() function in B would look
> something like this:
>
> void load( Archive& archive, unsigned int, std::vector<int>& listOfInt )
> {
> }
>
> I was hoping boost.bind could be used somewhere, but I just don't see how.
> One way to solve the problem is to call B::load() explicitly with the extra
> parameter, but I don't think that's an appropriate solution. Any ideas on
> how to solve this? Or perhaps I'm trying to solve the wrong problem.
>