RE: [xsl] Re: Re: How to pass search path as variable and get back node list.

["Michael Kay" <michael.h.kay@xxxxxxxxxxxx>]

> Instead of looking for a vendor:evaluate() function, a better approach
> is to use DOM and change a skeleton stylesheet before the
> transformation is applied, by setting the value of the "select"
> attribute of a certain global variable to the string XPath expression
> that is necessary to evaluate.

I would disagree.

Firstly, I think if you're going to modify the stylesheet before use, you
should do it using XSLT rather than using DOM.

Secondly, I think xx:evaluate() is preferable in many cases because you
don't lose the benefits of stylesheet compilation; it is also less
error-prone (most attempts I have seen to modify stylesheets end up with a
horrible dependency between the stylesheet source code and the script that
modifies it, which gives you a maintenance nightmare). The only drawback of
xx:evaluate() is portability.

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx


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