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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='jabber:iq:privacy'
    xmlns='jabber:iq:privacy'
    elementFormDefault='qualified'>

  <xs:element name='query'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='active'
                    minOccurs='0'/>
        <xs:element ref='default'
                    minOccurs='0'/>
        <xs:element ref='list'
                    minOccurs='0'
                    maxOccurs='unbounded'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='active'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='xs:NMTOKEN'>
          <xs:attribute name='name'
                        type='xs:string'
                        use='optional'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='default'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='xs:NMTOKEN'>
          <xs:attribute name='name'
                        type='xs:string'
                        use='optional'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='list'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='item'
                    minOccurs='0'
                    maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='name'
                    type='xs:string'
                    use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='item'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='iq'
                    minOccurs='0'
                    type='empty'/>
        <xs:element name='message'
                    minOccurs='0'
                    type='empty'/>
        <xs:element name='presence-in'
                    minOccurs='0'
                    type='empty'/>
        <xs:element name='presence-out'
                    minOccurs='0'
                    type='empty'/>
      </xs:sequence>
      <xs:attribute name='action' use='required'>
        <xs:simpleType>
          <xs:restriction base='xs:NCName'>
            <xs:enumeration value='allow'/>
            <xs:enumeration value='deny'/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name='order'
                    type='xs:unsignedInt'
                    use='required'/>
      <xs:attribute name='type' use='optional'>
        <xs:simpleType>
          <xs:restriction base='xs:NCName'>
            <xs:enumeration value='group'/>
            <xs:enumeration value='jid'/>
            <xs:enumeration value='subscription'/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name='value'
                    type='xs:string'
                    use='optional'/>
    </xs:complexType>
  </xs:element>

  <xs:simpleType name='empty'>
    <xs:restriction base='xs:string'>
      <xs:enumeration value=''/>
    </xs:restriction>
  </xs:simpleType>

</xs:schema>
