[liblouis-liblouisxml] Re: Odds and Endss
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Fri, 15 Jan 2010 07:23:06 -0600
I am rather surprised that namespaces can't be registered with an xpath
expression. The debugging code for doing so can be modified and a new
pseudo-action introduced to call it.
John
On Fri, Jan 15, 2010 at 11:21:30AM +0100, Christian Egli wrote:
> "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx> writes:
>
> > I don't think the problem is related to namespaces, because the tags in
> > Bookshare documents, which I am using for testing, don't have namespace
> > prefixes. Also expressions using the local-name function still give
> > empty node sets.
>
> Hm, I'm quite convinced that it is a namespace problem. I'd have to see
> the Bookshare documents you are using for testing.
>
> I just checked in some debugging code to semantics.c which prints a
> nodeset and which registers a prefix/namespace pair with libxml2. The
> test files that I have been using are also in svn. The test files now
> use both the local-name method and the method with the prefix (which
> presumes that the prefix is registered with libxml2, which I have
> hardcoded for debugging purposes for now). The test file in
> tests/bert.xml uses an default (empty) namespace for all the elements
> (see the xmlns="http://www.daisy.org/z3986/2005/dtbook/"; attribute in
> the root node 'dtbook'). So if you update from svn you should be able to
> run the following from a command line:
>
> $ cd ~/src/liblouisxml
> $ libtool --mode=execute tools/xml2brl -f tests/bert.cfg tests/bert.xml
>
> This should list nine nodes twice. Once they are matching with the
> local-name method and the second time because with namespace prefixes.
> So I do get a non-empty nodeset.
>
> Once we get this working we can dump the debugging code again and find a
> way to let the user register namespaces in the sem file.
>
> > We are making good progress!
>
> I think so too!
>
> Thanks
> Christian
> --
> Christian Egli
> Swiss Library for the Blind, Visually Impaired and Print Disabled
> Grubenstrasse 12, CH-8045 Z??rich, Switzerland
> For a description of the software and to download it go to
> http://www.jjb-software.com
--
John J. boyer; President, Chief Software Developer
Abilitiessoft, Inc.
http://www.abilitiessoft.com
Madison, Wisconsin USA
Developing software for people with disabilities
For a description of the software and to download it go to
http://www.jjb-software.com
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