[JDEV] Binary XML useful for Jabber?

[David Waite]

Jens Alfke wrote:

> On Tuesday, May 22, 2001, at 11:27 PM, David Waite wrote:
>
> > it looks like textual content of attributes and cdata
> > is handled by the inline strings, but tags have to use LITERAL, which uses
> > an
> > offset into a table.
> >
> >
> Dang! Though I suppose if we wanted to pursue this we could make our own
> variant that allowed inline tag/attribute names.
>
> > Another worry is that it doesn't appear the binary format can
> > extend to multiple bytes if needed - more than 64 unique tags would seem
> > to
> > overflow the dictionary.
> >
> >
> Isn't that why they have the whole page-swapping thing to support multiple
> single-byte namespaces for tags?
>

*grin* looks like I missed that one. page-swapping is probably one of the
better ways to compress this information after you exceed the maximum # of
tags.

>
> > Internally loaded (shared library) components of the server communicate
> > via
> > structures which are centered around DOM-like XML nodes
> >
> >
> OK, that sounds reasonable. So I don't see the issue -- the binary protocol
> could easily be parsed into exactly the same DOM data structures as the
> textual format. All it requires is a parser with a different front-end,
> which is what I meant in my last post.
>

Yes :-) I just wanted to make sure that the server wouldn't be using the vinary
format internally.

-David Waite