xml - How can I wrap a group of adjacent elements depending on the previous sibling using XSLT? -


i want wrap appendix elements, if first appendix element's preceding sibling part.

so if input like

<part> .. .. </part> <appendix href=".."> </appendix> <appendix href=".."> </appendix>

then output like

<part> .. .. </part> <appendices>   <appendix href="..">   </appendix>   <appendix href="..">   </appendix> </appendices>

i'm new xslt. i've tried has failed till now. appreciated.

with xslt 2.0 verbal description translates into

<?xml version="1.0" encoding="utf-8" ?> <xsl:transform xmlns:xsl="http://www.w3.org/1999/xsl/transform" version="2.0">     <xsl:output indent="yes"/>      <xsl:template match="*[appendix]">         <xsl:copy>             <xsl:for-each-group select="*" group-adjacent="boolean(self::appendix)">                 <xsl:choose>                     <xsl:when test="current-grouping-key() , preceding-sibling::*[1][self::part]">                         <appendices>                             <xsl:apply-templates select="current-group()"/>                         </appendices>                     </xsl:when>                     <xsl:otherwise>                         <xsl:apply-templates select="current-group()"/>                     </xsl:otherwise>                 </xsl:choose>             </xsl:for-each-group>         </xsl:copy>     </xsl:template>     <xsl:template match="@*|node()">         <xsl:copy>             <xsl:apply-templates select="@*|node()"/>         </xsl:copy>     </xsl:template> </xsl:transform>

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