XSLT evaluate variable whose name is coming from xpath evaluation-CodePudding

Following my previous post : XSLT take first element that can be mapped among list of predefined mappings

Is there a way to evaluate a variable, in a xsl:value-of, whose name is coming from the evaluation of XPATH ?

The original XML :

<sectors type="array">
   <sector>industry</sector>
   <sector>e-commerce</sector>
   <sector>logistique</sector>
<sectors>

This is my XSLT (thanks to https://stackoverflow.com/a/73040079/10767428) :

<xsl:import href="./sector.xslt"/>

<s:sector source="metallurgy" target="$sector_industry_materials" />
<s:sector source="accounting" target="$sector_audit_accounting" />
<s:sector source="logistics" target="$sector_service_logistics" />
<s:sector source="mass-distribution" target="$sector_distribution_mass_retail" />

<xsl:template match="sectors">
    <sectorIdentifier>
        <xsl:variable name="sector" select="sector[. = document('')/*/s:sector/@source][1]"/>
        <xsl:choose>
            <xsl:when test="$sector">
                <xsl:variable name="target" select="document('')/*/s:sector[@source=$sector]/@target"/>
                <xsl:value-of select="$target" />
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="$sector_other"/>
            </xsl:otherwise>
        </xsl:choose>
    </sectorIdentifier>
</xsl:template>

Here, the value of $target are either the strings : $sector_industry_materials, $sector_audit_accounting, $sector_service_logistics, $sector_distribution_mass_retail or $sector_other.

I want those strings to be evaluated against the following other XSLT, from another file, and imported in current file :

sector.xslt :

<?xml version="1.0" ?>
  <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">  
  <xsl:variable name="sector_industry_materials" >401</xsl:variable>
  <xsl:variable name="sector_audit_accounting" >374</xsl:variable>
  <xsl:variable name="sector_service_logistics" >422</xsl:variable>
  <xsl:variable name="sector_distribution_mass_retail" >387</xsl:variable>
  <xsl:variable name="sector_other" >456</xsl:variable>
</xsl:stylesheet>

So the final output, in case the $target value was the string $sector_industry_materials, must be :

<sectorIdentifier>401</sectorIdentifier>

But for now, all I get is :

<sectorIdentifier>$sector_distribution_mass_retail</sectorIdentifier>

The thing is that with $sector_other, which is hard-coded, everything works fine, and I get :

<sectorIdentifier>456</sectorIdentifier>

SO the problem must be that name of the variables are dynamic.

Thank you

CodePudding user response：

You could use the same technique and drill into the imported sector.xslt as an XML doc, selecting the value with XPath:

<xsl:when test="$sector">
  <xsl:variable name="target" select="document('')/*/s:sector[@source=$sector]/@target"/>
  <!-- <xsl:value-of select="$target" /> -->
  <xsl:value-of select="document('sector.xslt')/xsl:stylesheet/xsl:variable[contains($target, @name)]"/>
</xsl:when>

It would be a little more straightforward if you changed the s:sector/@target values not to have $ for variable name references, and just had the value to match the sector.xslt xsl:variable/@name.