Re: [xml] Feature request: callbacks

[Matt Sergeant <matt sergeant org>]

On Thu, 15 Mar 2001, Daniel Veillard wrote:

> On Thu, Mar 15, 2001 at 01:43:51PM +0000, Matt Sergeant wrote:
> > On Thu, 15 Mar 2001, Daniel Veillard wrote:
> >
> > >   - Callback signature:
> > >     a few week ago I would have used
> > >     void (*xmlTreeChangeCallback) (xmlNodePtr node);
> > >     but it's clear that Perl binding would require something like
> > >     void (*xmlTreeChangeCallback) (void *user_data, xmlNodePtr node);
> > >     is that sufficient ? I assume user_data would be registered at
> > >     the same time as the set of callbacks.
> >
> > if node can get at the xmlDocPtr (owner document?), then user_data
> > shouldn't be necessary, should it?
>
>   If there is no hole in the API, any node should have its 'doc'
> field pointing to the document. Problem is that at some points
> (for example if you just created the node without assigning it
> to a document) this is not true anyway.

But then surely you wouldn't be recieving callbacks on newly created and
unattached nodes?

-- 
<Matt/>

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