[liblouis-liblouisxml] Re: Odds and Endss
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Thu, 14 Jan 2010 12:30:04 -0600
Thanks for the info. It looks like namespaces will be pesky in using
xpath. I hope we can find a workaround.
John
On Thu, Jan 14, 2010 at 10:03:18AM -0800, Chris von See wrote:
> Forgot to mention: I've never tried this with libxml2, but you may be
> able to use "*" as the namespace and find all elements in the document
> in any namespace with the element names you specify in the XPath
> expression. For DTBook this would probably be fine (but not optimal),
> but in documents that use other namespaces which contain elements with
> the same name then it might be problematic.
>
> Chris
>
> On Jan 14, 2010, at 9:57 AM, Chris von See wrote:
>
> >
> >On Jan 14, 2010, at 5:53 AM, John J. Boyer wrote:
> >
> >>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.
> >
> >Check to see if the root element of the document has an "xmlns"
> >attribute and, if so, if it specifies the DTBook namespace URI (it
> >should!). If the attribute is present, then it's the default
> >namespace and elements do not need to have a namespace prefix but
> >you still need to qualify any XPath you use against that document
> >using the DTBook namespace.
> >
> >Cheers
> >Chris
> >For a description of the software and to download it go to
> >http://www.jjb-software.com
>
> 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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