Re: [xsl] Measuring the complexity of XSLT stylesheets

Subject: Re: [xsl] Measuring the complexity of XSLT stylesheets
From: Jirka Kosek <jirka@xxxxxxxx>
Date: Sun, 17 Apr 2005 22:42:58 +0200
Lars Marius Garshol wrote:

> I'm interested in the complexity of the stylesheet as perceived by a
> human being. So a better measure for my purposes would be something

I think that many people think about XML as about hierarchical way of
describing/storing data. XSLT by default traverses XML data from the
root to the leaves using templates. If you need to access other axes
than child and descendant in your stylesheet, then there is usualy some
complexity behind your data from human perspecitive of view. So counting
number of XPath expressions that use different axes than child and
descendant might give you some metric not completely unrelated to
complexity of input data and their processing. Or you can assign
different weight to differents axes to make it more "scientific".

Each expression measured should be weighted by number of times it was
really evaluated what is really hard to do in a general way but you can
measure it quite easily using some XSLT profiler on real data.

				Jirka

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