<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    exclude-result-prefixes="uc"
    xmlns="http://openoffice.org/2010/uno-components"
    xmlns:uc="http://openoffice.org/2010/uno-components">
  <xsl:param name="prefix"/>
  <xsl:strip-space elements="*"/>
  <xsl:template match="/">
    <xsl:element name="components"
        namespace="http://openoffice.org/2010/uno-components">
      <xsl:for-each select="list/filename">
        <xsl:variable name="doc" select="document(concat($prefix, .))"/>
        <xsl:choose>
          <xsl:when test="count($doc/uc:components/uc:component) = 1">
            <xsl:copy-of select="$doc/uc:components/uc:component"/>
          </xsl:when>
          <xsl:otherwise>
            <xsl:message terminate="yes">
              <xsl:text>cannot process </xsl:text>
              <xsl:value-of select="."/>
            </xsl:message>
          </xsl:otherwise>
        </xsl:choose>
      </xsl:for-each>
    </xsl:element>
  </xsl:template>
</xsl:stylesheet>