<grammar xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

  <start>

    <ref name='libosinfo'/>

  </start>

  <define name='libosinfo'>

    <element name='libosinfo'>

      <attribute name='version'>

        <choice>

          <value>0.0.1</value>

        </choice>

      </attribute>

      <zeroOrMore>

        <choice>

          <ref name='datamap'/>

          <ref name='device'/>

          <ref name='os'/>

          <ref name='platform'/>

          <ref name='deployment'/>

          <ref name='install-script'/>

        </choice>

      </zeroOrMore>

    </element>

  </define>

  <define name='datamap'>

    <element name='datamap'>

      <attribute name='id'>

        <ref name='url'/>

      </attribute>

      <oneOrMore>

        <element name='entry'>

          <attribute name='inval'>

            <text/>

          </attribute>

          <attribute name='outval'>

            <text/>

          </attribute>

        </element>

      </oneOrMore>

    </element>

  </define>

  <define name='device'>

    <element name='device'>

      <attribute name='id'>

        <ref name='url'/>

      </attribute>

      <interleave>

        <oneOrMore>

          <element name='name'>

            <optional>

              <attribute name='xml:lang'>

                <text/>

              </attribute>

            </optional>

            <text/>

          </element>

        </oneOrMore>

        <optional>

          <element name='bus-type'>

            <choice>

              <value>isa</value>

              <value>pci</value>

              <value>usb</value>

              <value>xen</value>

              <value>ps2</value>

            </choice>

          </element>

        </optional>

        <optional>

          <element name='class'>

            <choice>

              <value>audio</value>

              <value>block</value>

              <value>console</value>

              <value>chipset</value>

              <value>controller.usb</value>

              <value>filesystem</value>

              <value>input</value>

              <value>memory.balloon</value>

              <value>net</value>

              <value>video</value>

              <value>watchdog</value>

              <value>rng</value>

            </choice>

          </element>

        </optional>

        <zeroOrMore>

          <element name='vendor'>

            <optional>

              <attribute name='xml:lang'>

                <text/>

              </attribute>

            </optional>

            <text/>

          </element>

        </zeroOrMore>

        <optional>

          <element name='vendor-id'>

            <ref name='hexid'/>

          </element>

        </optional>

        <optional>

          <element name='product'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='product-id'>

            <choice>

              <ref name='hexid'/>

              <ref name='alpha'/>

            </choice>

          </element>

        </optional>

        <optional>

          <element name='subsystem'>

            <text/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name="product-attr">

    <attribute name='id'>

      <ref name='url'/>

    </attribute>

  </define>

  <define name="product-content">

    <interleave>

      <oneOrMore>

        <element name='vendor'>

          <optional>

            <attribute name='xml:lang'>

              <text/>

            </attribute>

          </optional>

          <text/>

        </element>

      </oneOrMore>

      <oneOrMore>

        <element name='name'>

          <optional>

            <attribute name='xml:lang'>

              <text/>

            </attribute>

          </optional>

          <text/>

        </element>

      </oneOrMore>

      <oneOrMore>

        <element name='short-id'>

          <text/>

        </element>

      </oneOrMore>

      <optional>

        <element name='version'>

          <text/>

        </element>

      </optional>

      <optional>

        <element name='codename'>

          <text/>

        </element>

      </optional>

      <optional>

        <element name='family'>

          <text/>

        </element>

      </optional>

      <optional>

        <element name='distro'>

          <text/>

        </element>

      </optional>

    </interleave>

  </define>

  <define name="product-dates">

    <interleave>

      <optional>

        <element name='release-date'>

          <ref name='date'/>

        </element>

      </optional>

      <optional>

        <element name='eol-date'>

          <ref name='date'/>

        </element>

      </optional>

    </interleave>

  </define>

  <define name="product-rel">

    <interleave>

      <zeroOrMore>

        <element name="upgrades">

          <attribute name='id'>

            <ref name="url"/>

          </attribute>

        </element>

      </zeroOrMore>

      <zeroOrMore>

        <element name="derives-from">

          <attribute name='id'>

            <ref name="url"/>

          </attribute>

        </element>

      </zeroOrMore>

      <optional>

        <element name="clones">

          <attribute name='id'>

            <ref name="url"/>

          </attribute>

        </element>

      </optional>

    </interleave>

  </define>

  <define name='variant'>

    <element name='variant'>

      <attribute name='id'>

      </attribute>

      <oneOrMore>

        <element name='name'>

          <optional>

            <attribute name='xml:lang'>

              <text/>

            </attribute>

          </optional>

          <text/>

        </element>

      </oneOrMore>

    </element>

  </define>

  <define name='devices-rel'>

    <element name='devices'>

      <zeroOrMore>

        <element name='device'>

          <attribute name='id'>

            <ref name='url'/>

          </attribute>

          <optional>

            <attribute name='supported'>

              <ref name='bool'/>

            </attribute>

          </optional>

          <optional>

            <element name='driver'>

              <text/>

            </element>

          </optional>

        </element>

      </zeroOrMore>

    </element>

  </define>

  <define name='resource-attr'>

    <interleave>

      <optional>

        <element name='cpu'>

          <ref name='num'/>

        </element>

      </optional>

      <optional>

        <element name='n-cpus'>

          <ref name='num'/>

        </element>

      </optional>

      <optional>

        <element name='ram'>

          <ref name='num'/>

        </element>

      </optional>

      <optional>

        <element name='storage'>

          <ref name='num'/>

        </element>

      </optional>

    </interleave>

  </define>

  <define name='resources'>

    <element name='resources'>

      <attribute name='arch'>

        <ref name='archnamesorall'/>

      </attribute>

      <optional>

        <attribute name='inherit'>

          <ref name='bool'/>

        </attribute>

      </optional>

      <interleave>

        <optional>

          <element name='network-install'>

            <ref name='resource-attr'/>

          </element>

        </optional>

        <optional>

          <element name='minimum'>

            <ref name='resource-attr'/>

          </element>

        </optional>

        <optional>

          <element name='recommended'>

            <ref name='resource-attr'/>

          </element>

        </optional>

        <optional>

          <element name='maximum'>

            <ref name='resource-attr'/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='iso'>

    <element name='iso'>

      <interleave>

        <optional>

          <element name='volume-id'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='publisher-id'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='application-id'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='system-id'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='volume-size'>

            <ref name='num'/>

          </element>

        </optional>

        <zeroOrMore>

          <ref name='media-lang'/>

        </zeroOrMore>

      </interleave>

    </element>

  </define>

  <define name='media'>

    <element name='media'>

      <attribute name='arch'>

        <ref name='archnamesorall'/>

      </attribute>

      <optional>

        <attribute name="live">

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name="installer">

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name='installer-script'>

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name='installer-reboots'>

          <ref name='num'/>

        </attribute>

      </optional>

      <optional>

        <attribute name='eject-after-install'>

          <ref name='bool'/>

        </attribute>

      </optional>

      <interleave>

        <optional>

          <element name='variant'>

            <attribute name='id'>

            </attribute>

          </element>

        </optional>

        <optional>

          <element name='url'>

            <ref name='url'/>

          </element>

        </optional>

        <optional>

          <ref name='iso'/>

        </optional>

        <optional>

          <element name='initrd'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='kernel'>

            <text/>

          </element>

        </optional>

        <optional>

          <zeroOrMore>

            <ref name='installer'/>

          </zeroOrMore>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='media-lang'>

    <element name='l10n-language'>

      <optional>

        <attribute name="regex">

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name="l10n-language-map">

          <ref name='url'/>

        </attribute>

      </optional>

      <text/>

    </element>

  </define>

  <define name='treeinfo'>

    <element name='treeinfo'>

      <interleave>

        <optional>

          <element name='family'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='variant'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='version'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='arch'>

            <text/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='tree'>

    <element name='tree'>

      <attribute name='arch'>

        <ref name='archnamesorall'/>

      </attribute>

      <interleave>

        <optional>

          <element name='variant'>

            <attribute name='id'>

            </attribute>

          </element>

        </optional>

        <optional>

          <element name='url'>

            <ref name='url'/>

          </element>

        </optional>

        <optional>

          <ref name='treeinfo'/>

        </optional>

        <optional>

          <element name='initrd'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='kernel'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='boot-iso'>

            <text/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='image'>

    <element name='image'>

      <attribute name='arch'>

        <ref name='archnames'/>

      </attribute>

      <attribute name='format'>

        <ref name='imageformats'/>

      </attribute>

      <optional>

        <attribute name='cloud-init'>

          <ref name='bool'/>

        </attribute>

      </optional>

      <interleave>

        <optional>

          <element name='variant'>

            <attribute name='id'>

            </attribute>

          </element>

        </optional>

        <optional>

          <element name='url'>

            <ref name='url'/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='installer'>

    <element name='installer'>

      <zeroOrMore>

        <element name="script">

          <attribute name='id'>

            <ref name='url'/>

          </attribute>

        </element>

      </zeroOrMore>

    </element>

  </define>

  <define name='driver'>

    <element name='driver'>

      <attribute name='arch'>

        <ref name='archnames'/>

      </attribute>

      <attribute name='location'>

        <text/>

      </attribute>

      <optional>

        <attribute name="pre-installable">

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name="signed">

          <ref name='bool'/>

        </attribute>

      </optional>

      <optional>

        <attribute name="priority">

          <ref name='num'/>

        </attribute>

      </optional>

      <interleave>

        <zeroOrMore>

          <element name='file'>

            <text/>

          </element>

        </zeroOrMore>

        <oneOrMore>

          <element name='device'>

            <attribute name='id'>

              <ref name='url'/>

            </attribute>

          </element>

        </oneOrMore>

      </interleave>

    </element>

  </define>

  <define name='firmware'>

    <element name='firmware'>

      <attribute name='arch'>

        <ref name='archnames'/>

      </attribute>

      <attribute name='type'>

        <ref name='firmware-types'/>

      </attribute>

      <optional>

        <attribute name='supported'>

          <ref name='bool'/>

        </attribute>

      </optional>

    </element>

  </define>

  <define name='os'>

    <element name='os'>

      <interleave>

        <ref name='product-attr'/>

        <ref name='product-content'/>

        <ref name='product-dates'/>

        <ref name='product-rel'/>

        <optional>

          <ref name='devices-rel'/>

        </optional>

        <optional>

          <ref name='release-status'/>

        </optional>

        <zeroOrMore>

          <ref name='variant'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='resources'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='media'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='tree'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='image'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='installer'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='driver'/>

        </zeroOrMore>

        <zeroOrMore>

          <ref name='firmware'/>

        </zeroOrMore>

        <optional>

          <element name="kernel-url-argument">

            <text/>

          </element>

        </optional>

        <optional>

          <element name="cloud-image-username">

            <text/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='platform'>

    <element name='platform'>

      <interleave>

        <ref name='product-attr'/>

        <ref name='product-content'/>

        <ref name='product-dates'/>

        <ref name='product-rel'/>

        <optional>

          <ref name='devices-rel'/>

        </optional>

      </interleave>

    </element>

  </define>

  <define name='deployment'>

    <element name='deployment'>

      <attribute name='id'>

        <ref name='url'/>

      </attribute>

      <interleave>

        <element name='os'>

          <attribute name='id'>

            <ref name='url'/>

          </attribute>

        </element>

        <element name='platform'>

          <attribute name='id'>

            <ref name='url'/>

          </attribute>

        </element>

        <ref name='devices-rel'/>

      </interleave>

    </element>

  </define>

  <define name='install-script'>

    <element name='install-script'>

      <interleave>

        <element name='profile'>

          <text/>

        </element>

        <optional>

          <element name='path-format'>

            <ref name='path-formats'/>

          </element>

        </optional>

        <optional>

          <element name='expected-filename'>

            <text/>

          </element>

        </optional>

        <optional>

          <ref name='avatar-format'/>

        </optional>

        <optional>

          <element name='config'>

            <oneOrMore>

              <element name='param'>

                <attribute name="name"/>

                <attribute name="policy">

                  <ref name='policies'/>

                </attribute>

                <optional>

                  <attribute name="value-map"/>

                </optional>

              </element>

            </oneOrMore>

          </element>

        </optional>

        <optional>

          <element name='product-key-format'>

            <text/>

          </element>

        </optional>

        <optional>

          <element name='needs-internet'>

            <ref name='bool'/>

          </element>

        </optional>

        <optional>

          <element name='can-pre-install-drivers'>

            <ref name='bool'/>

          </element>

        </optional>

        <optional>

          <element name='pre-install-drivers-signing-req'>

            <ref name='driver-signing-reqs'/>

          </element>

        </optional>

        <optional>

          <element name='can-post-install-drivers'>

            <ref name='bool'/>

          </element>

        </optional>

        <optional>

          <element name='post-install-drivers-signing-req'>

            <ref name='driver-signing-reqs'/>

          </element>

        </optional>

        <zeroOrMore>

          <ref name='injection-method'/>

        </zeroOrMore>

        <element name='template'>

          <choice>

            <group>

              <attribute name="uri"/>

              <empty/>

            </group>

            <ref name="customElement"/>

          </choice>

        </element>

        <ref name='product-attr'/>

        <ref name='product-rel'/>

      </interleave>

    </element>

  </define>

  <define name='avatar-format'>

    <element name='avatar-format'>

      <interleave>

        <oneOrMore>

          <element name="mime-type">

            <text/>

          </element>

        </oneOrMore>

        <optional>

          <element name="width">

            <ref name='num'/>

          </element>

        </optional>

        <optional>

          <element name="height">

            <ref name='num'/>

          </element>

        </optional>

        <optional>

          <element name="alpha">

            <ref name='bool'/>

          </element>

        </optional>

      </interleave>

    </element>

  </define>

  <define name="customElement">

    <element>

      <anyName/>

      <zeroOrMore>

        <choice>

          <attribute>

            <anyName/>

          </attribute>

          <text/>

          <ref name="customElement"/>

        </choice>

      </zeroOrMore>

    </element>

  </define>

  <define name='archnamesorall'>

    <choice>

      <value>all</value>

      <ref name='archnames'/>

    </choice>

  </define>

  <define name='archnames'>

    <choice>

      <value>aarch64</value>

      <value>alpha</value>

      <value>armv7l</value>

      <value>cris</value>

      <value>i686</value>

      <value>ia64</value>

      <value>lm32</value>

      <value>m68k</value>

      <value>microblaze</value>

      <value>microblazeel</value>

      <value>mips</value>

      <value>mipsel</value>

      <value>mips64</value>

      <value>mips64el</value>

      <value>openrisc</value>

      <value>parisc</value>

      <value>parisc64</value>

      <value>ppc</value>

      <value>ppc64</value>

      <value>ppc64le</value>

      <value>ppcemb</value>

      <value>s390</value>

      <value>s390x</value>

      <value>sh4</value>

      <value>sh4eb</value>

      <value>sparc</value>

      <value>sparc64</value>

      <value>unicore32</value>

      <value>x86_64</value>

      <value>xtensa</value>

      <value>xtensaeb</value>

    </choice>

  </define>

  <define name='imageformats'>

    <choice>

      <value>qcow2</value>

      <value>raw</value>

      <value>vhdx</value>

      <value>vmdk</value>

    </choice>

  </define>

  <define name='date'>

    <data type="string">

      <param name="pattern">[0-9]{4}-[0-9]{2}-[0-9]{2}</param>

    </data>

  </define>

  <define name='hexid'>

    <data type="string">

      <param name="pattern">[0-9a-fA-F]+</param>

    </data>

  </define>

  <define name='alpha'>

    <data type="string">

      <param name="pattern">[a-zA-Z]+</param>

    </data>

  </define>