Jim Williams <not.me@n...> wrote in message news:<qom0h0lfa5t064ufqnb8t206lhmmk49187@4...>...
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> 
> I'm working on a 3d engine system.
> I need to save/load data in the systems objects to/from XML files.
> When I say objects, I mean C++ objects. (These generally correspond to
> scene objects, but that consideration isn't important as far as
> loading/saving goes.)
> 
> I think I have a reasonable grasp of XML, it's method of data
> representation, and parsing XML files. 
> (At the moment I'm looking at using the expat XML parser for it's
> callback based system, so I don't have to load/parse the whole -
> potentially v large - XML file into memory before I create objects).
> 
> The problem I'm having is deciding how to get the data from the XML
> parser into the C++ objects. 
> How is this normally done?
> Do you pass the completed/parsed XML node to the C++ object creator?
> Do you create the object object and set it's members with data from
> the completed/parsed XML node?
It depends on the message size. If it is too big, parse using the SAX
method, otherwise, you may use DOM.
> 
> What's the best/most flexible way to do this, or are what are pros and
> cons of various methods?
> Pointers to some examples would be greatly appreciated.
http://xml.apache.org
> 
> Thanks
> 
> Jim Williams
> 
You're welcome,
Fabien