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

[Daniel Veillard <veillard redhat com>]

On Sun, Mar 11, 2001 at 12:02:35PM +0000, Matt Sergeant wrote:
> On Sun, 11 Mar 2001, Daniel Veillard wrote:
> >    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?

  1 for a match I think

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

  no it means libxml will try next registered handler,
I have I think 3 default handlers HTTP, FTP and file access (or less
if say HTTP or FTP wan't compiled in).

> >     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.

  Okay :-)

Daniel

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