I started wondering this morning whether
that might be scope for a "friend" class that
could extract this kind of stuff from nodes.
It would solve the bloat issue - you could keep
the source tree stuff lean and mean and have a
(set of?) helper classes that would do this work
for you by reading directly inside the nodes.
The (*huge*) downside is that you now risk having
the same issues that currently exist with the
wrapper/bridges. You have a set of wrapping
classes that you need to support and keep up to
date. The wrapping classes could potentially
get quite complex, particularly if you start
worrying about threading. So I think I convinced
myself out of it.
Cheers,
Berin
>
> From: David N Bertoni/Cambridge/IBM <david_n_bertoni@xxxxxxxxxx>
> Subject: RE: Should all of the unimplemented DOM functions throw exceptions?
> Date: 26/02/2003 7:55:47
> To: xalan-dev@xxxxxxxxxxxxxx
>
>
>
>
>
> Hi Brian,
>
> Yes, for small documents it's not a problem, but for large markup-heavy
> documents, it's adds up really fast. If you can layer it, that would be
> great. We could also make that something controlled by a #define, so if
> that would help you, it's OK with me.
>
> Dave
>
>
>
>
>
> Brian Quinlan
>
> <brian@sweetapp. To:
> xalan-dev@xxxxxxxxxxxxxx
>
> com> cc: (bcc: David N
> Bertoni/Cambridge/IBM)
> Subject: RE: Should all of the
> unimplemented DOM functions throw exceptions?
> 02/25/2003 12:39
>
> PM
>
> Please respond
>
> to xalan-dev
>
>
>
>
>
>
> > We already have a lazy implementation for that,
>
> Ah, I see what XalanNodeListSurrogate does now.
>
> > but I worry about bloating
> > the size of elements if we decide to add it, since it means 4 or 8
> extra
> > bytes per Element for an interface we don't use internally.
>
> Added 10% to the size doesn't seem important to me but I don't work with
> huge source documents.
>
> > Is it something you can layer on top of our implementation, or is that
>
> > too awkward?
>
> I can layer it on top of Xalan. It's a bit of a hassle but not a huge
> one.
>
> Cheers,
> Brian
>
>
>
>
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