Re: [xsl] Path from RNG to Instance - hooray

[David Carlisle <davidc@xxxxxxxxx>]

> First, I used a for-each 
> select=document('inst.xml') because you're not allowed to do ... well, 
> I had the document in a variable actually and you can't do 
> $variable/$var2 ... grr!

document("inst.xml")/a/b/c

is a valid Xpath so presumably as an alternative to using for-each you
could just have built such a string to pass to evaluate, something like

test="not(dyn:evaluate(concat('document("inst.xml")', $instPathStr, '/*'))">

(untested)

A more portable alternative would be to directly navigate the tree based
on the names of your ancestor elements rather than to build these names
into a string which you then have to evaluate as an xpath using an
extension function, basically you'd just want a recursive named template
with two parameters, param1, a node in the instance doc (starting with /)
and param2 a set name attributes coming from the RNG (initially
ancestor-or-self::*/@name)
then the recursive template just needs to look for children of param1
with name given by the first node in param2, and if it finds any, call
itself with param1 being the child node and param2 being all nodes
except the first node in param2. (also untested:-)

David

 

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