Re: online conversion support from xsd to rng?

[Lennart Borgman <lennart.borgman@gmail.com>]

On Fri, Dec 10, 2010 at 1:06 AM, Štěpán Němec <stepnem@gmail.com> wrote:
> "Drew Adams" <drew.adams@oracle.com> writes:
>
>>> I think there are two areas of primary concern:
>>> (a) conversion between XML and Lisp trees (nested lists)
>>> (b) routines for manipulating the tree
>>
>> Once you've converted XML to Lisp you lose all XML-level access, transformation,
>> etc.  IOW, once in Lispland, no XPath, XQuery, XSLT,...  If your processing of
>> XML also involves, well, XML processing (e.g. XQuery transformations) that is
>> part of the given, then you've lost that.
>>
>> IOW, conversion to conses and processing using Lisp can be useful, but depending
>> on your context there can be a cost.
>
> This is nonsense. XPath and friends are not bound to the external
> representation of the data in any way. They operate on the DOM tree. So
> as long as your XML conversion to sexp format is lossless (which it
> should be, of course), you lose nothing, only gain the advantages of
> saner format (i.e. sexp) both for humans and the machine -- you just
> need an XPath etc. implementation for your language.

Is there such an implementation in for example elisp?