Am 02.05.2020 um 12:52 schrieb Michael Müller-Hillebrand
mmh(_at_)docufy(_dot_)de:
Hi folks,
if a sequence stored in a variable consists of elements, we can not use the
nice function index-of().
Also, if the variable is typed as="element()*" I cannot use the axes preceding-sibling or
following-sibling. I can solve that by not typing the variable or use as="document-node()"
after adding <xsl:document> to the variable's sequence constructor.
My current solution finding the position of the first <h1> in a sequence would
be something like:
count($seq/h1[1]/preceding-sibling::*) + 1
with $seq being a sequence typed as document-node().
Are there better methods to get the position of a certain element in the
sequence?
functx has a function
http://www.xsltfunctions.com/xsl/functx_index-of-node.html which might
help, using the `is` operator:
<xsl:function name="functx:index-of-node" as="xs:integer*"
xmlns:functx="http://www.functx.com";>
<xsl:param name="nodes" as="node()*"/>
<xsl:param name="nodeToFind" as="node()"/>
<xsl:sequence select="
for $seq in (1 to count($nodes))
return $seq[$nodes[$seq] is $nodeToFind]
"/>
</xsl:function>
I have also seen some approaches to use `index-of($seq!generate-id(),
generate-id($node))`.
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