archive.xsd

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:xmpp:archive'
    xmlns='urn:xmpp:archive'
    elementFormDefault='qualified'>

  <xs:annotation>
    <xs:documentation>
      The protocol documented by this schema is defined in
      XEP-0136: http://www.xmpp.org/extensions/xep-0136.html
    </xs:documentation>
  </xs:annotation>

  <xs:annotation>
    <xs:documentation>
      The allowable root elements for the namespace defined
      herein are:
        - auto
        - chat
        - itemremove
        - list
        - modified
        - pref
        - remove
        - retrieve
        - save
    </xs:documentation>
  </xs:annotation>

  <xs:element name='auto'>
    <xs:complexType>
      <xs:sequence>
        <xs:any processContents='lax' namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='save' type='xs:boolean' use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='changed'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
          <xs:attribute name='start' type='xs:dateTime' use='required'/>
          <xs:attribute name='with' type='xs:string' use='required'/>
          <xs:attribute name='version' type='xs:nonNegativeInteger' use='required'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='chat'>
    <xs:complexType>
      <xs:choice minOccurs='0' maxOccurs='unbounded'>
        <xs:element name='from' type='messageType'/>
        <xs:element name='next' type='linkType'/>
        <xs:element ref='note'/>
        <xs:element name='previous' type='linkType'/>
        <xs:element name='to' type='messageType'/>
        <xs:any processContents='lax' namespace='##other'/>
      </xs:choice>
      <xs:attribute name='start' type='xs:dateTime' use='required'/>
      <xs:attribute name='subject' type='xs:string' use='optional'/>
      <xs:attribute name='thread' use='optional' type='xs:string'/>
      <xs:attribute name='version' use='optional' type='xs:nonNegativeInteger'/>
      <xs:attribute name='with' type='xs:string' use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:complexType name='messageType'>
    <xs:sequence>
      <xs:element name='body' type='xs:string' minOccurs='0' maxOccurs='unbounded'/>
      <xs:any processContents='lax' namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
    </xs:sequence>
    <xs:attribute name='jid' type='xs:string' use='optional'/>
    <xs:attribute name='name' type='xs:string' use='optional'/>
    <xs:attribute name='secs' type='xs:nonNegativeInteger' use='optional'/>
    <xs:attribute name='utc' type='xs:dateTime' use='optional'/>
  </xs:complexType>

  <xs:complexType name='linkType'>
    <xs:simpleContent>
      <xs:extension base='empty'>
        <xs:attribute name='start' type='xs:dateTime' use='optional'/>
        <xs:attribute name='with' type='xs:string' use='optional'/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:element name='default'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='expire' type='xs:nonNegativeInteger' use='optional'/>
          <xs:attribute name='otr' use='required'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='approve'/>
                <xs:enumeration value='concede'/>
                <xs:enumeration value='forbid'/>
                <xs:enumeration value='oppose'/>
                <xs:enumeration value='prefer'/>
                <xs:enumeration value='require'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
          <xs:attribute name='save' use='required'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='body'/>
                <xs:enumeration value='false'/>
                <xs:enumeration value='message'/>
                <xs:enumeration value='stream'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
          <xs:attribute name='unset' use='optional' type='xs:boolean'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='feature'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='default' minOccurs='0' maxOccurs='1'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='item'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
          <xs:attribute name='expire' type='xs:nonNegativeInteger' use='optional'/>
          <xs:attribute name='jid' use='required' type='xs:string'/>
          <xs:attribute name='otr' use='required'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='approve'/>
                <xs:enumeration value='concede'/>
                <xs:enumeration value='forbid'/>
                <xs:enumeration value='oppose'/>
                <xs:enumeration value='prefer'/>
                <xs:enumeration value='require'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
          <xs:attribute name='save' use='required'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='body'/>
                <xs:enumeration value='false'/>
                <xs:enumeration value='message'/>
                <xs:enumeration value='stream'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='list'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='chat' minOccurs='0' maxOccurs='unbounded'/>
        <xs:any processContents='lax' namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='end' type='xs:dateTime' use='optional'/>
      <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
      <xs:attribute name='start' type='xs:dateTime' use='optional'/>
      <xs:attribute name='with' type='xs:string' use='optional'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='method'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='type' type='xs:string' use='required'/>
          <xs:attribute name='use' use='required'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='concede'/>
                <xs:enumeration value='forbid'/>
                <xs:enumeration value='prefer'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='modified'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='changed' minOccurs='0' maxOccurs='unbounded'/>
        <xs:element ref='removed' minOccurs='0' maxOccurs='unbounded'/>
        <xs:any processContents='lax' namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='start' type='xs:dateTime' use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='note'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='xs:string'>
          <xs:attribute name='utc' type='xs:dateTime' use='optional'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='pref'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='auto' minOccurs='0' maxOccurs='1'/>
        <xs:element ref='default' minOccurs='0' maxOccurs='1'/>
        <xs:element ref='item' minOccurs='0' maxOccurs='unbounded'/>
        <xs:element ref='method' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='itemremove'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='item' minOccurs='1' maxOccurs='unbounded'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='remove'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='end' type='xs:dateTime' use='optional'/>
          <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
          <xs:attribute name='open' use='optional' type='xs:boolean'/>
          <xs:attribute name='start' type='xs:dateTime' use='required'/>
          <xs:attribute name='with' type='xs:string' use='required'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='removed'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
          <xs:attribute name='start' type='xs:dateTime' use='required'/>
          <xs:attribute name='with' type='xs:string' use='required'/>
          <xs:attribute name='version' type='xs:nonNegativeInteger' use='required'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='retrieve'>
    <xs:complexType>
      <xs:sequence>
        <xs:any processContents='lax' namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='exactmatch' type='xs:boolean' use='optional'/>
      <xs:attribute name='start' type='xs:dateTime' use='required'/>
      <xs:attribute name='with' type='xs:string' use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='save'>
    <xs:complexType>
      <xs:sequence>
        <xs:element ref='chat' minOccurs='1' maxOccurs='1'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

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

</xs:schema>