trang-006

Tests RNG to DTD

Test is expected to pass.

The pipeline

<p:declare-step xmlns:cx="http://xmlcalabash.com/ns/extensions"
                xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:t="http://xproc.org/ns/testsuite/3.0" name="main" version="3.0">
   <p:import href="https://xmlcalabash.com/ext/library/trang.xpl"/>
   <p:output port="result" sequence="true"/>
   <cx:trang output-base-uri="http://example.com/schemas/"
             result-format="dtd">
      <p:with-input>
         <grammar xmlns="http://relaxng.org/ns/structure/1.0">
            <define name="doc">
               <element name="doc">
                  <ref name="attlist.doc"/>
                  <oneOrMore>
                     <ref name="p"/>
                  </oneOrMore>
               </element>
            </define>
            <define name="attlist.doc"
                    combine="interleave">
               <empty/>
            </define>
            <define name="p">
               <element name="p">
                  <ref name="attlist.p"/>
                  <zeroOrMore>
                     <text/>
                  </zeroOrMore>
               </element>
            </define>
            <define name="attlist.p"
                    combine="interleave">
               <empty/>
            </define>
            <start>
               <choice>
                  <ref name="doc"/>
               </choice>
            </start>
         </grammar>
      </p:with-input>
   </cx:trang>
   <p:wrap-sequence wrapper="wrapper"/>
</p:declare-step>

Result

<wrapper xmlns:t="http://xproc.org/ns/testsuite/3.0"><?xml encoding="UTF-8"?>

<!ELEMENT doc (p)+>

<!ELEMENT p (#PCDATA)*>
</wrapper>

Schematron checks

<s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron"
          xmlns:t="http://xproc.org/ns/testsuite/3.0" queryBinding="xslt2">
   <s:ns prefix="rng"
         uri="http://relaxng.org/ns/structure/1.0"/>
   <s:pattern>
      <s:rule context="/">
         <s:assert test="wrapper">The root is wrong.</s:assert>
         <s:assert test="contains(., '<!ELEMENT')">Output isn’t a DTD.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>

Revision history

23 Mar 2025, Norm Tovey-Walsh: Created test.