xml-dev - Re: XML Component API

[Tyler Baker <tyler@infinet.com>]

Michael.Kay@icl.com wrote:

> > From: Oren Ben-Kiki [mailto:oren@capella.co.il]
> >
> > I raised the question of a standard API to XSL processors in
> > the XSL mailing
> > list. This question has quickly touched on general issues of
> > how to combine
> > XML processing modules, since there are two incompatible ways
> > to pass XML
> > data - as an in-memory DOM tree or as "parsing" events.
> >
>
> SAXON (http://home.iclweb.com/icl2/mhkay/saxon.html) provides a higher-level
> API that can be used to process XML documents on top of either SAX or DOM.
> It provides a useful model where most of your processing is sequential but
> you might occasionally (or in the future) want to navigate from a node that
> you reached serially, e.g. to follow an IDREF.
>
> I've recently been trying to implement an XSL subset using SAXON and have
> realised that the XSL processing model requires the document to be built in
> memory, even though 90% of useful applications don't. For an XSL API,
> therefore, I think you can forget any idea of an event-based approach.
>
> Mike Kay

That has not been my experience.  I have not had any problem with spitting out
processed XSL Output to SAX events.  Things could change, but for now I have not
found any reason why you can't use DocumentHandler as an interface for delegating
processing of XSL output.

Tyler


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