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Re: [xml-dev] Schematron and comma as a decimal delimiter
Hi,
Le lundi 04 septembre 2006 à 14:06 +0200, bryan rasmussen a écrit :
> >(3) recursion over the items being summed,
> >.... None of these can conveniently be used in an XPath
> > (as distinct from XSLT) context.
>
> I recently had to do something similar to this for a problem defined as:
>
> every line of text up to and including X lines of text must have no
> more than Y characters in the line.
>
> (my recollection of the problem is perhaps a little fuzzy, it was
> several months ago)
>
> For example something like the following:
>
> <sch:assert test="string-length(substring-before(concat(.,'
'),'
'))<5">1:
> Every line of the <sch:name/> text node should be no more than 5
> characters long</sch:assert>
> <sch:assert test="string-length(substring-before(substring-after(concat(.,'
'),'
'),'
'))<5">2:
> Every line of the <sch:name/> text node should be no more than 5
> characters long</sch:assert>
> <sch:assert test="string-length(substring-before(substring-after(substring-after(concat(.,'
'),'
'),'
'),'
'))
> < 5">3: Every line of the <sch:name/> text node should be no more
> than 5 characters long</sch:assert>
>
> and so forth
>
> The assertions are only called in cases where the string length is incorrect.
>
> As such the rather impossible to write or maintain assertions can be
> generate without need to loop or recurse over an input.
Long XPath expressions like these can also be made more readable (but
still hackier) by using good old entities :) ...
Eric
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Eric van der Vlist http://xmlfr.org http://dyomedea.com
(ISO) RELAX NG ISBN:0-596-00421-4 http://oreilly.com/catalog/relax
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