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[xsl] XSL | index-of()

2019-09-27 04:07:56
Hello community,
 
I am new in this list and hope very much that someone can help me or give me an input with which I can continue to work.

I would like to use XSL to check whether a abbreviation from a list appears in a certain string of recurring elements. The abbreviation is always written in brackets. The source file looks like this (very simplified):
 
<?xml version="1.0" encoding="UTF-8"?>
<all>
    <abbreviations>
            <abbr>ABG</abbr>
            <abbr>AGI</abbr>
            <abbr>BBL</abbr>
            <abbr>ECK</abbr>
    </abbreviations>
    <documents>
        <doc no="1">The abbreviation (ABG) appears in this doc.</doc>
        <doc no="2">This doc has no shortcut.</doc>
        <doc no="3">An abbreviation (BBL).</doc>
        <doc no="4">And here (ECK).</doc>
        <doc no="5">And here again (ECK).</doc>
    </documents>
</all>

Only unfortunately I still have a bug somewhere with the index-of. Maybe the more experienced of you will see right away what's wrong with my code. I've been brooding since last night and can't find a solution :(
 
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fn="http://www.w3.org/2005/xpath-functions" version="2.0">
    <xsl:output method="xml" encoding="UTF-8"/>
    <xsl:template match="all">
        <xsl:variable name="abbr" select="abbreviations/abbr"/>
        <all>
            <xsl:for-each select="//doc">
                <xsl:variable name="actdoc" select="."/>
                <xsl:if test="fn:contains($actdoc, fn:index-of($abbr, $actdoc))">
                    <doc>
                        <xsl:attribute name="no"><xsl:value-of select="@no"/></xsl:attribute>
                        <xsl:value-of select="$actdoc"/>
                    </doc>
                </xsl:if>
            </xsl:for-each>
        </all>
    </xsl:template>
</xsl:stylesheet>

The output should look something like this:
 
<all>
    <doc no="1">ABG</doc>
    <doc no="3">BBL</doc>
    <doc no="4">ECK</doc>
    <doc no="5">ECK</doc>
</all>

Thank you so much for your help!
 
Many greetings
Janine S.
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