Flatten an XML file to "full-xpath,value" csv file

transformer.xslt

<xsl:stylesheet version="1.0"  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output omit-xml-declaration="yes" indent="yes"/>
  <xsl:strip-space elements="*"/>

  <xsl:template match="*[@* or not(*)] ">
    <xsl:if test="not(*)">
      <xsl:apply-templates select="ancestor-or-self::*" mode="path"/>
      <xsl:value-of select="concat(',',.)"/>
      <xsl:text>&#xA;</xsl:text>
    </xsl:if>
    <xsl:apply-templates select="@*|*"/>
  </xsl:template>

  <xsl:template match="*" mode="path">
    <xsl:value-of select="concat('/',name())"/>
    <xsl:variable name="vnumPrecSiblings" select=
            "count(preceding-sibling::*[name()=name(current())])"/>
    <xsl:if test="$vnumPrecSiblings">
      <xsl:value-of select="concat('[', $vnumPrecSiblings +1, ']')"/>
    </xsl:if>
  </xsl:template>

  <xsl:template match="@*">
    <xsl:apply-templates select="../ancestor-or-self::*" mode="path"/>
    <xsl:value-of select="concat('[@',name(),'],',.)"/>
    <xsl:text>&#xA;</xsl:text>
  </xsl:template>
</xsl:stylesheet>

xslt.rb

require 'nokogiri'

document = Nokogiri::XML(File.read('input.xml'))
template = Nokogiri::XSLT(File.read('transformer.xslt'))

transformed_document = template.transform(document)

File.open('output.csv', 'w').write(transformed_document)

just have a file input.xml in the same directory these 2 files are in and run:
ruby xslt.rb

output.csv will spit out