[bknr-devel] Problems with XML import/export, can't follow the tutorial

[Hans Hübner]

Hi Frederico,

the XML import/export functionality has long regressed because it is
unused, and I can't easily resurrect it.  I never used the import
aspect of the XML impex facility and at some point switched to writing
specialized exporters for those formats that I need (i.e.
http://bknr.net/trac/browser/trunk/projects/bos/m2/export.lisp#L94).

I'm sorry that the documentation and source code still gives the
misleading impression that there is an XML import/export facility.
I'm going to make a little update to indicate the state of this
subsystem.

Did you have specific requirements for the impex facility?

-Hans

On Sun, May 23, 2010 at 05:29, Frederico Muñoz <fsmunoz at gmail.com> wrote:
> Hi,
>
> I've recently came across bknr while searching for a persistence layer
> for a small toy program I'm making (which isn't even web based), and
> found it quite interesting and with a nicely laid-out documentation
> (well, for the datastore, indexing and XML bits, less so for the web
> component).
>
> While playing around trying to understand the several pieces (mainly
> the datastore) I got stuck in the XML tutorial (tutorial.lisp in
> xml-impex) at:
>
> (parse-xml-file "xml-impex/tutorial.xml" (list (find-class 'book)))
>
> To reach that point I had to change
>
> (asdf:oos 'asdf:load-op :bknr-impex) to (asdf:oos 'asdf:load-op :bknr.impex).
>
> I always get the following error:
>
> The value NIL is not of type CXML::DTD.
>   [Condition of type TYPE-ERROR]
>
> I'm not entirely sure if this is a problem on my end, or if the
> tutorial is outdated.
>
> I'm using SBCL 1.0.35-3 in Fedora 12 FWIW, plus a recent svn tree. Any
> pointers are appreciated, and I'm of course more than happy to provide
> any further information if this is indeed something that shouldn't
> occur.
>
> Best regards,
>
> Frederico
>
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