'Re: [xml] "xmlReadxxx & structured error handler & userData'

[Kasimier Buchcik <kbuchcik 4commerce de>]

Hi,

on 2/12/2004 4:53 PM Kasimier Buchcik wrote:

> Hi,
>
> on 2/12/2004 4:40 PM Daniel Veillard wrote:
> > On Thu, Feb 12, 2004 at 04:36:08PM +0100, Kasimier Buchcik wrote:
> >
> > > Yes, I wasn't sure about this. But the dilemma is that I can set 
> > > *nothing* on the context, no userData nor _private, since the 
> > > xmlParserContext is created inside the xmlReadxxx functions.
> >
> >  Then you need the xmlReadCtxtxxx functions, they are usually
> > dedicated to repeated parsing but if you need to access the context
> > that's the way. Apparently there is no example in 
> >    http://xmlsoft.org/examples/index.html
> > demonstrating their use but xmllint.c does, e.g.
> >
> >    ctxt = xmlNewParserCtxt();
> >    /* tweak ctxt here */
> >    doc = xmlCtxtReadFile(ctxt, filename, NULL, options);
> >    /* when you're done */
> >    xmlFreeParserCtxt(ctxt);
>
>
> Great! I missed that one.
> Maby one should change the doc for "xmlSetStructuredErrorFunc", since 
> @ctx will *not* be always passed as the first argument to @handler.

It works fine!

set the ctxt->_private to my context;
in the error handler check for error->domain = XML_FROM_PARSER and get 
my context with userData->_private.

Apparently the structured error handler is not called at all if I set 
ctxt->userData - your concern was truly legitimated.


Thanks,

Kasimier