xml - XSLT Input file with settings - change multiple output files -

i'm using xslt edit multiple files. have input file settings file, looks this:

<root>   <file>     <folderin>/var/in/</folderin>     <in>10</in>     <folderout>/var/out</folderout>     <out>20</out>     <name>first file</name>   </file> </root> 

example file:

<root>   <element1 id1="10">     ...   </element1>   <element2 id2="10" attribute="xyz">     ...   </element2> </root> 

and xslt file:

<?xml version="1.0" encoding="utf-8"?>     <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/xsl/transform" version="2.0">     <xsl:output method="xml" indent="yes" encoding="utf-8"/>         <xsl:template name="copyxml" match="/*">         <xsl:for-each select="file">             <xsl:variable name="inputfile" select="concat(folderin, in, '.xml')"/>             <xsl:variable name="outputfile" select="concat(folderout, out, '.xml')"/>              <xsl:result-document method="xml" href="{$outputfile}">                     <xsl:copy-of select="document($inputfile)/*"/>             </xsl:result-document>             </xsl:for-each>         </xsl:template>      </xsl:stylesheet> 

in /var/in/ there few hundred files want edit few (in example /var/in/10.xml exit file /var/out/20.xml). in new files want change id1 , id2 attribute value "out" param

i've managed copy specific files adequate names xslt, i'm having problem applying template change files. i've tried using apply-templates cannot make apply templates $outputfile, it's either not doing or appending $outputfile copy settings file;/ have idea how it?

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edit: output example file:

<root>   <element1 id1="20">     ...   </element1>   <element2 id2="20" attribute="xyz">     ...   </element2> </root> 

at moment stylesheet has:

        <xsl:result-document method="xml" href="{$outputfile}">                 <xsl:copy-of select="document($inputfile)/*"/>         </xsl:result-document> 

so, creating output file will contain copy of input file.

in order apply modifications, must apply templates input file, need have:

        <xsl:result-document method="xml" href="{$outputfile}">                 <!-- further process input file -->                 <xsl:apply-templates select="document($inputfile)/*"/>         </xsl:result-document> 

and of course stylesheet will have contain templates handle input file content, copying , modifying relevant parts.

you try incremental approach problem:

• firstly, define stylesheet rules transform a single input file single output file
• once these templates need, copy them stylesheet applied settings file

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this stylesheet should need:

xslt 2.0:

<?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/xsl/transform" version="2.0">     <xsl:output method="xml" indent="yes" encoding="utf-8"/>      <!-- template process settings file -->     <xsl:template match="/">         <xsl:for-each select="root/file">             <xsl:variable name="inputfile" select="concat(folderin, in, '.xml')"/>             <xsl:variable name="outputfile" select="concat(folderout, out, '.xml')"/>              <xsl:result-document method="xml" href="{$outputfile}">                 <xsl:apply-templates select="document($inputfile)/*" mode="processfiles">                     <xsl:with-param name="outputvalue" select="out" tunnel="yes"/>                 </xsl:apply-templates>             </xsl:result-document>         </xsl:for-each>     </xsl:template>      <!-- template process input files -->     <!-- identity transformation -->     <xsl:template match="* | @* | text()" mode="processfiles">         <xsl:copy>             <xsl:apply-templates select="* | @* | text()" mode="#current"/>         </xsl:copy>     </xsl:template>     <!-- update parameters -->     <xsl:template match="@id1 | @id2" mode="processfiles">         <xsl:param name="outputvalue" tunnel="yes"/>         <xsl:attribute name="{name()}">             <xsl:value-of select="$outputvalue"/>         </xsl:attribute>     </xsl:template>  </xsl:stylesheet> 

notable points:

• you cannot copy input file, have apply templates in order change parts of it
• while applying templates external files, parameter called outputvalue passed around; using tunnel parameter spares trouble of explicitly passing every time call xsl:apply-templates
• i used templates mode="processfile" process content of external files; in simple situation not strictly necessary, while working larger stylesheet little "trick" helps avoiding priority conflicts between templates settings file , external files
  • an identity template copies elements, attribute , text nodes
  • a specific template attributes id1 , id2 uses tunnel parameter replace existing value desired one