c3d2-web/html5-syntax/microdata.rng

<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0" xmlns="http://relaxng.org/ns/structure/1.0">
  <!-- ##################################################################### -->
  <!-- ##################################################################### -->
  <define name="common.attrs.microdata">
    <a:documentation> RELAX NG Schema for HTML 5: Microdata                             #</a:documentation>
    <interleave>
      <optional>
        <ref name="common.attrs.microdata.itemref"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemprop"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemscope"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemtype"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemid"/>
      </optional>
    </interleave>
  </define>
  <define name="common.attrs.microdata.itemref">
    <attribute name="itemref">
      <ref name="common.data.idrefs"/>
    </attribute>
  </define>
  <define name="common.attrs.microdata.itemprop">
    <attribute name="itemprop">
      <ref name="common.data.microdata-identifier"/>
    </attribute>
  </define>
  <define name="common.attrs.microdata.itemscope">
    <attribute name="itemscope">
      <choice>
        <value type="string">itemscope</value>
        <value type="string"/>
      </choice>
    </attribute>
  </define>
  <define name="common.attrs.microdata.itemtype">
    <attribute name="itemtype">
      <ref name="common.data.uri"/>
    </attribute>
  </define>
  <define name="common.attrs.microdata.itemid">
    <attribute name="itemid">
      <ref name="common.data.uri"/>
    </attribute>
  </define>
  <define name="common.attrs" combine="interleave">
    <ref name="common.attrs.microdata"/>
  </define>
  <define name="link.elem.phrasing">
    <element name="link">
      <interleave>
        <ref name="link.inner"/>
        <ref name="link.phrasing.attrs"/>
      </interleave>
    </element>
  </define>
  <define name="link.phrasing.attrs">
    <interleave>
      <ref name="common.attrs.basic"/>
      <ref name="common.attrs.i18n"/>
      <ref name="common.attrs.present"/>
      <ref name="common.attrs.other"/>
      <ref name="common.attrs.microdata.itemprop"/>
      <optional>
        <ref name="common.attrs.microdata.itemref"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemscope"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemtype"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemid"/>
      </optional>
      <ref name="shared-hyperlink.attrs.href"/>
      <ref name="shared-hyperlink.attrs.rel"/>
      <optional>
        <ref name="shared-hyperlink.attrs.hreflang"/>
      </optional>
      <optional>
        <ref name="shared-hyperlink.attrs.media"/>
      </optional>
      <optional>
        <ref name="shared-hyperlink.attrs.type"/>
      </optional>
      <optional>
        <ref name="link.attrs.sizes"/>
      </optional>
    </interleave>
    <!-- 	link.attrs.title included in common.attrs -->
  </define>
  <define name="common.elem.phrasing" combine="choice">
    <ref name="link.elem.phrasing"/>
  </define>
  <define name="meta.itemprop.elem">
    <a:documentation>Property Metadata: &lt;meta itemprop&gt;</a:documentation>
    <element name="meta">
      <interleave>
        <ref name="meta.inner"/>
        <ref name="meta.itemprop.attrs"/>
      </interleave>
    </element>
  </define>
  <define name="meta.itemprop.attrs">
    <interleave>
      <ref name="common.attrs.basic"/>
      <ref name="common.attrs.i18n"/>
      <ref name="common.attrs.present"/>
      <ref name="common.attrs.other"/>
      <ref name="common.attrs.microdata.itemprop"/>
      <optional>
        <ref name="common.attrs.microdata.itemref"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemscope"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemtype"/>
      </optional>
      <optional>
        <ref name="common.attrs.microdata.itemid"/>
      </optional>
      <ref name="meta.itemprop.attrs.content"/>
    </interleave>
  </define>
  <define name="meta.itemprop.attrs.content">
    <attribute name="content">
      <data type="string" datatypeLibrary=""/>
    </attribute>
  </define>
  <define name="common.elem.metadata" combine="choice">
    <ref name="meta.itemprop.elem"/>
  </define>
  <define name="common.elem.phrasing" combine="choice">
    <ref name="meta.itemprop.elem"/>
  </define>
</grammar>