tools/xml-to-html.xsl


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

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:xhtml="http://www.w3.org/1999/xhtml"
                xmlns="http://www.w3.org/1999/xhtml"
                version="1.0">
  <xsl:output method="xml" indent="yes"/>

  <xsl:template match="/">
    <xsl:apply-templates select="document" />
  </xsl:template>

  <xsl:template match="document">
    <xsl:text disable-output-escaping='yes'>
      &lt;!DOCTYPE html&gt;
    </xsl:text>
    <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"
          prefix="dc: http://purl.org/dc/terms/
                  rdfs: http://www.w3.org/1999/02/22-rdf-syntax-ns#
                  schema: http://schema.org/
                  foaf: http://xmlns.com/foaf/0.1/
                  dbr: http://dbpedia.org/resource/
                  home: https://defanor.uberspace.net/"
          typeof="dc:Text schema:Article foaf:Document">
      <head>
        <xsl:apply-templates select="meta" />
      </head>
      <xsl:copy-of select="xhtml:body" />
    </html>
  </xsl:template>

  <!-- Metadata -->
  <xsl:template match="meta">
    <!-- Only title is required -->
    <title property="dc:title schema:name foaf:name">
      <xsl:value-of select="@title" />
    </title>
    <xsl:if test="@description">
      <meta name="description"
            property="dc:description schema:description"
            content="{@description}" />
    </xsl:if>
    <xsl:if test="@keywords">
      <meta name="keywords"
            property="schema:keywords"
            content="{@keywords}" />
    </xsl:if>
    <xsl:if test="@created">
      <meta property="dc:created schema:dateCreated"
            datatype="schema:Date"
            content="{@created}" />
    </xsl:if>
    <xsl:if test="@published">
      <meta property="dc:issued schema:datePublished"
            datatype="schema:Date"
            content="{@published}" />
    </xsl:if>
    <xsl:if test="@modified">
      <meta property="dc:modified schema:dateModified"
            datatype="schema:Date"
            content="{@modified}" />
    </xsl:if>
    <xsl:if test="@primaryTopic">
      <link property="dc:subject schema:about foaf:primaryTopic"
            href="{@primaryTopic}" />
    </xsl:if>

    <xsl:apply-templates select="topic" />

    <!-- The rest is fixed metadata -->
    <link property="dc:creator schema:creator foaf:maker"
          href="/foaf.rdf#me" />
    <link property="dc:isPartOf schema:isPartOf"
          href="https://defanor.uberspace.net/" />
    <link rel="stylesheet" title="Dark, blueish"
          href="/xhtml-rdfa-dark.css" />
    <link rel="alternate stylesheet" title="No colourisation"
          href="/xhtml-rdfa.css" />
    <link rel="alternate stylesheet" title="Light, beige"
          href="/xhtml-rdfa-light.css" />
    <meta name="robots" content="noarchive" />
  </xsl:template>

  <!-- Additional topics -->
  <xsl:template match="topic">
    <link property="dc:subject schema:about foaf:topic"
          href="{@iri}" />
  </xsl:template>
  
</xsl:stylesheet>