XMLMaster

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes"/>
  <xsl:template match="*">
    <xsl:copy>
      <xsl:attribute name="fromRoot">
           <xsl:value-of select="count(ancestor::*)"/>
      </xsl:attribute>
      <xsl:attribute name="preSib">
           <xsl:value-of select="count(preceding-sibling::*)"/>
      </xsl:attribute>
      <xsl:attribute name="follSib">
           <xsl:value-of select="count(following-sibling::*)"/>
      </xsl:attribute>
      <xsl:apply-templates select="@* | node()"/>
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>