On 26/05/2010 23:11, Monosij Dutta-Roy wrote:
Hello to all -
I am new to XSLT but not to data / programming. So I hope the
following makes sense:
Using XSLT 2.0, SaxonHE 9.2, JDK 1.6
I am trying to write a function that will test certain paths are valid
and keep them as variables before I use those paths to get child
nodes.
like most programming languages (lisp being an honourable exception)
xslt doesn't have a datatype corresponding to fragments of syntax such
as a path. variables hold values.
the proposed xslt 2.1 has a evaluate function (available as
saxon:evaluate in saxon 9.1 or commercial versions of 9.2)
which would evaluate a path passed as a string, but it isn't clear if
that is what you need here.
------------------------------
So I am using the function below and get an error on the line:
<xsl: select="/n1:recordDocument/n1:recordTarget/n1:patientRole"/>
At the top level of a function body ther eis no current item and in
particular no current document so any path starting with / will raise an
error.
You need to give your function a parameter, say $x and then use
something like
root($x)/n1:recordDocument/n1:recordTarget/n1:patientRole
so if you pass in any node from the document it will evaluate that path
from the root of the document.
David
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