Automatically adding and filling <dao> fields when the ingest PIDs are in the same order as the container list

Daos2Ead

<?xml version="1.0" encoding="UTF-8"?>

<!-- This stylesheet will add daos to a finding aid, using a list of PIDs.  -->
<!-- One needs to select one of the two templates below, depending on whether the daos are to be added to all c0x level=file elements or just to a certain subset -->

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
  <xsl:output method="xml" encoding="UTF-8"/>
  <xsl:strip-space elements="*"/>

  <!-- Call PID file -->
  <xsl:variable name="data" select="document('PIDList.xml')"/>

  <!-- Identity template copies everything except templates below -->
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()"/>
    </xsl:copy>
  </xsl:template>

  <!-- First template --> 
  <!-- Looks at file levels. Adds dao with URL template to every c0x with a file attribute-->
   <xsl:template match="*[@level='file']/did">
    <xsl:for-each select=".">
      <xsl:variable name="count">
        <xsl:value-of select="count(../preceding-sibling::*[@level='file']) + 1"/>
      </xsl:variable>
      <xsl:copy-of select="."/>
      <xsl:element name="dao">
        <xsl:attribute name="href">
          <xsl:text>http://digital.cjh.org/webclient/DeliveryManager?pid=</xsl:text>
          <xsl:value-of select="$data/data/pid[number($count)]"/>
        </xsl:attribute>
        <xsl:attribute name="linktype">simple</xsl:attribute>
        <xsl:attribute name="actuate">onrequest</xsl:attribute>
        <xsl:attribute name="show">new</xsl:attribute>
      </xsl:element>
    </xsl:for-each>
  </xsl:template>
 
  <!-- Second template: with limiting test in the template match. Define this as needed in the first line; here for example, it's only going to add daos to the second instance of c01. Looks at file levels. Adds dao with URL template to every c0x with a file attribute -->
  
 <!--  <xsl:template match="//c01[2]/*[@level='file']/did">
    <xsl:for-each select=".">
      <xsl:variable name="count">
        <xsl:value-of select="count(../preceding-sibling::*[@level='file']) + 1"/>
      </xsl:variable>
      <xsl:copy-of select="."/>
      <xsl:element name="dao">
        <xsl:attribute name="href">
          <xsl:text>http://digital.cjh.org/webclient/DeliveryManager?pid=</xsl:text>
          <xsl:value-of select="$data/data/pid[number($count)]"/>
        </xsl:attribute>
        <xsl:attribute name="linktype">simple</xsl:attribute>
        <xsl:attribute name="actuate">onrequest</xsl:attribute>
        <xsl:attribute name="show">new</xsl:attribute>
      </xsl:element>
    </xsl:for-each>
  </xsl:template>
-->  
</xsl:stylesheet>

Sample PID data

<data>
  <pid>12345</pid>
  <pid>67890123</pid>
  <pid>ABCDEEEEEE</pid>
  <pid>FGHEIIIIIIIII</pid>
</data>