XSLT generating attributes if source-Element is in parameterfile - xslt

Question

i got an xml-file with some elements. For some of these is an aqvivalent in a parameter xml-file along with some other elements.
I want to add these other elements from parm-file as parameter to output file if element-names are matching. (the Attributes should only be generated if an element "InvoiceHeader" exists in the source-xml.
Here is my code...
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:fn="http://www.w3.org/2005/xpath-functions">
<xsl:variable name="rpl" select="document('ParamInvoice.xml')"></xsl:variable>
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:template match="/">
<xsl:apply-templates></xsl:apply-templates>
</xsl:template>
<xsl:template match="*">
<xsl:copy>
<xsl:if test="$rpl/StoraInvoice/local-name()">
<xsl:call-template name="AttributeErzeugen">
<xsl:with-param name="attr" select="$rpl/StoraInvoice/local-name()"></xsl:with-param>
</xsl:call-template>
</xsl:if>
<xsl:apply-templates></xsl:apply-templates>
</xsl:copy>
</xsl:template>
<xsl:template name="AttributeErzeugen">
<xsl:param name="attr"></xsl:param>
<xsl:for-each select="$attr">
<xsl:attribute name="{Attibute/#name}"><xsl:value-of select="."></xsl:value- of></xsl:attribute>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
and here the param-file
<?xml version="1.0" encoding="UTF-8"?>
<StoraInvoice>
<InvoiceHeader>
<Attribute name="Fuehrend">YYY</Attribute>
<Attribute name="Feld">FFFF</Attribute>
<Attribute name="Format">XYZXYZ</Attribute>
</InvoiceHeader>
</StoraInvoice>
Siegfried

Answer 1

This transformation:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:my="my:my"
exclude-result-prefixes="my">
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<my:rpl>
<StoraInvoice>
<t>
<InvoiceHeader>
<Attribute name="Fuehrend">YYY</Attribute>
<Attribute name="Feld">FFFF</Attribute>
<Attribute name="Format">XYZXYZ</Attribute>
</InvoiceHeader>
</t>
</StoraInvoice>
</my:rpl>
<xsl:variable name="rpl" select="document('')/*/my:rpl"/>
<xsl:template match="*">
<xsl:variable name="vInvoiceElement" select=
"$rpl/StoraInvoice/*[name()=name(current())]"/>
<xsl:copy>
<xsl:if test="$vInvoiceElement">
<xsl:call-template name="AttributeErzeugen">
<xsl:with-param name="pInvoiced" select="$vInvoiceElement"/>
</xsl:call-template>
</xsl:if>
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>
<xsl:template name="AttributeErzeugen">
<xsl:param name="pInvoiced"/>
<xsl:for-each select="$pInvoiced/InvoiceHeader/Attribute">
<xsl:attribute name="{#name}">
<xsl:value-of select="."/>
</xsl:attribute>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
when applied on this XML document:
<t/>
produces the wanted, correct result:
<t Fuehrend="YYY" Feld="FFFF" Format="XYZXYZ"/>