p:filter 002

Tests p:filter with a dynamic select expression.

Test nw-filter-002.xml is expected to pass.

The pipeline


<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:output port="result"/>
   <p:identity>
      <p:with-input>
         <book pick="appendix">
            <chapter/>
            <appendix/>
         </book>
      </p:with-input>
   </p:identity>
   <p:filter select="/book/*[local-name(.)=/book/@pick]"/>
</p:declare-step>

MorganaXProc passing

Schematron validation


<s:schema xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
   <s:ns prefix="c" uri="http://www.w3.org/ns/xproc-step"/>
   <s:pattern>
      <s:rule context="/*">
         <s:assert test="self::appendix">The result root is not appendix.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>

03 May 2024, Norm Tovey-Walsh: Test p:filter