xslt fold example - apply a series of xslt against a single source doc

gistfile1.txt

the following is an example of a left fold xslt 


java -jar /Applications/depify-1.0/deps/xmlcalabash/calabash.jar -isource=test.xml -istylesheets=test1.xsl -istylesheets=test2.xsl -oresult=- xslt-fold.xpl

<p:declare-step version="1.0"
            xmlns:p="http://www.w3.org/ns/xproc"
            xmlns:c="http://www.w3.org/ns/xproc-step"
            xmlns:ex="http://www.example.com"
            name="main">

  <p:input port="source"/>
  <p:output port="result"/>
  <p:input port="stylesheets" sequence="true"/>

  <p:declare-step name="xslt-fold" type="ex:xslt-fold">
    <p:input port="source"/>
    <p:output port="result"/>
    <p:input port="stylesheets" sequence="true"/>

    <p:split-sequence name="current-xslt" test="position() eq 1">
    <p:input port="source">
      <p:pipe step="xslt-fold" port="stylesheets"/>
    </p:input>
  </p:split-sequence>

  <p:count name="count">
    <p:input port="source">
      <p:pipe step="current-xslt" port="not-matched"/>
    </p:input>
  </p:count>
  
  <p:xslt name="xslt">
    <p:input port="source">
      <p:pipe step="xslt-fold" port="source"/>
    </p:input>
    <p:input port="stylesheet">
      <p:pipe step="current-xslt" port="matched"/>
    </p:input>
    <p:input port="parameters">
      <p:empty/>
    </p:input>
  </p:xslt>

  <p:choose>
    <p:xpath-context>
      <p:pipe step="count" port="result"/>
    </p:xpath-context>
  <p:when test="xs:integer(.) eq 0">
    <p:identity>
      <p:input port="source">
        <p:pipe step="xslt" port="result"/>
      </p:input>
    </p:identity>
  </p:when>
  <p:otherwise>
    <ex:xslt-fold>
      <p:input port="source">
        <p:pipe step="xslt" port="result"/>
      </p:input>
      <p:input port="stylesheets">
        <p:pipe step="current-xslt" port="not-matched"/>
      </p:input>
    </ex:xslt-fold>
  </p:otherwise>
  </p:choose>
  </p:declare-step>
  
  <ex:xslt-fold>
    <p:input port="source">
      <p:pipe step="main" port="source"/>
    </p:input>
    <p:input port="stylesheets">
      <p:pipe step="main" port="stylesheets"/>
    </p:input>
  </ex:xslt-fold>
  
</p:declare-step>