viewport-005 (AB)

Test p:viewport with p:iteration-position() and p:iteration-size().

Test is expected to pass.

The pipeline

<p:declare-step xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:t="http://xproc.org/ns/testsuite/3.0" version="3.0">
   <p:output port="result"/>
   <p:viewport match="para" name="viewport">
      <p:with-input>
         <doc>
            <para>Some paragraph.</para>
            <para>Some paragraph.</para>
            <para>Some paragraph.</para>
            <para>
               <para>Nested paragraph.</para>
            </para>
         </doc>
      </p:with-input>
      <p:choose name="choose">
         <p:when test="p:iteration-position() = 1">
            <p:identity>
               <p:with-input>
                  <p:inline>
                     <first/>
                  </p:inline>
                  <p:pipe step="viewport"
                          port="current"/>
               </p:with-input>
            </p:identity>
         </p:when>
         <p:when test="p:iteration-position() = p:iteration-size()">
            <p:identity>
               <p:with-input>
                  <p:pipe step="viewport"
                          port="current"/>
                  <p:inline>
                     <last/>
                  </p:inline>
               </p:with-input>
            </p:identity>
         </p:when>
         <p:otherwise>
            <p:identity/>
         </p:otherwise>
      </p:choose>
   </p:viewport>
</p:declare-step>

Result

<doc xmlns:t="http://xproc.org/ns/testsuite/3.0">
   <first/>
   <para>Some paragraph.</para>
   <para>Some paragraph.</para>
   <para>Some paragraph.</para>
   <para>
      <para>Nested paragraph.</para>
   </para>
   <last/>
</doc>

Schematron checks

<s:schema xmlns="http://www.w3.org/1999/xhtml"
          xmlns:s="http://purl.oclc.org/dsdl/schematron" xmlns:t="http://xproc.org/ns/testsuite/3.0"
          queryBinding="xslt2">
   <s:pattern>
      <s:rule context="/">
         <s:assert test="doc">The document root is not 'doc'.</s:assert>
         <s:assert test="count(doc/*)=6">Document root does not have 6 children.</s:assert>
         <s:assert test="doc/*[1]/name()='first'">First child is not 'first'.</s:assert>
         <s:assert test="doc/*[2]/name()='para'">Second child is not 'para'.</s:assert>
         <s:assert test="doc/*[3]/name()='para'">Third child is not 'para'.</s:assert>
         <s:assert test="doc/*[4]/name()='para'">Fourth child is not 'para'.</s:assert>
         <s:assert test="doc/*[5]/name()='para'">Fifth child is not 'para'.</s:assert>
         <s:assert test="doc/*[6]/name()='last'">Sixth child is not 'last'.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>

Revision history

10 Jun 2021, Achim Berndzen: Added attribute 'queryBinding' to schematron's schema.
18 Sep 2019, Achim Berndzen: Additional tests for p:viewport (partly ported from 1.0)