Re: [xml] document() and import() handlers

[Matt Sergeant <matt sergeant org>]

On Sun, 11 Mar 2001, Daniel Veillard wrote:

> On Sun, Mar 11, 2001 at 11:31:41AM +0000, Matt Sergeant wrote:
> > OK, so I've got XML parsing and output working to my satisfaction. What I
> > need now is to be able to have libxslt callback to my application for
> > document() and xsl:import/include.
>
>    Read http://xmlsoft.org/xmlio.html#General
>
> > I haven't seen any examples of how to do this, and Daniel indicated that
> > it might be possible to do by messing with the IO stuff, but didn't tell
> > me anything too precise... So I'm looking for more pointers.
>
>    You can register new handlers, based on the URI string they can intercept
> the default I/O routines of libxml:
>     use xmlRegisterInputCallbacks ()
>     http://xmlsoft.org/html/libxml-xmlio.html#XMLREGISTERINPUTCALLBACKS
>     again it works with a set of 4 callbacks:
>     match()

OK, should this return 0 or 1 for a valid match?

I assume returning "false" (whichever of 0 or 1 that is), means that
libxml uses the default callbacks?

>     open()
>     read()
>     close()
>
>    If you want to be able to catch entities if you implement a catalog
> based on their PUBLIC identifier (libxml don't) then you also need to
> register an entity loader:
>
>   http://xmlsoft.org/xmlio.html#entities

Yep, that's already implemented.

-- 
<Matt/>

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