jingle.xsd

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:xmpp:jingle:1'
    xmlns='urn:xmpp:jingle:1'
    elementFormDefault='qualified'>

  <xs:annotation>
    <xs:documentation>
      The protocol documented by this schema is defined in
      XEP-0166: https://xmpp.org/extensions/xep-0166.html
    </xs:documentation>
  </xs:annotation>

  <xs:element name='jingle'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='content' 
                    type='contentElementType'
                    minOccurs='0' 
                    maxOccurs='unbounded'/>
        <xs:element name='reason' 
                    type='reasonElementType'
                    minOccurs='0' 
                    maxOccurs='1'/>
        <xs:any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
      </xs:sequence>
      <xs:attribute name='action' use='required'>
        <xs:simpleType>
          <xs:restriction base='xs:NCName'>
            <xs:enumeration value='content-accept'/>
            <xs:enumeration value='content-add'/>
            <xs:enumeration value='content-modify'/>
            <xs:enumeration value='content-reject'/>
            <xs:enumeration value='content-remove'/>
            <xs:enumeration value='description-info'/>
            <xs:enumeration value='security-info'/>
            <xs:enumeration value='session-accept'/>
            <xs:enumeration value='session-info'/>
            <xs:enumeration value='session-initiate'/>
            <xs:enumeration value='session-terminate'/>
            <xs:enumeration value='transport-accept'/>
            <xs:enumeration value='transport-info'/>
            <xs:enumeration value='transport-reject'/>
            <xs:enumeration value='transport-replace'/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute name='initiator' type='xs:string' use='optional'/>
      <xs:attribute name='responder' type='xs:string' use='optional'/>
      <xs:attribute name='sid' type='xs:NMTOKEN' use='required'/>
    </xs:complexType>
  </xs:element>

  <xs:complexType name='alternativeSessionElementType'>
    <xs:sequence>
      <xs:element name='sid'
                  minOccurs='0'
                  maxOccurs='1'
                  type='xs:NMTOKEN'/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name='contentElementType'>
    <xs:sequence>
      <xs:any namespace='##other' minOccurs='0' maxOccurs='unbounded'/>
    </xs:sequence>
    <xs:attribute name='creator'
                  use='required'>
      <xs:simpleType>
        <xs:restriction base='xs:NCName'>
          <xs:enumeration value='initiator'/>
          <xs:enumeration value='responder'/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name='disposition'
                  use='optional'
                  type='xs:NCName'
                  default='session'/>
    <xs:attribute name='name'
                  use='required'
                  type='xs:string'/>
    <xs:attribute name='senders'
                  use='optional'
                  default='both'>
      <xs:simpleType>
        <xs:restriction base='xs:NCName'>
          <xs:enumeration value='both'/>
          <xs:enumeration value='initiator'/>
          <xs:enumeration value='none'/>
          <xs:enumeration value='responder'/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name='reasonElementType'>
    <xs:sequence>
      <xs:choice>
        <xs:element name='alternative-session' 
                    type='alternativeSessionElementType'/>
        <xs:element name='busy' type='empty'/>
        <xs:element name='cancel' type='empty'/>
        <xs:element name='connectivity-error' type='empty'/>
        <xs:element name='decline' type='empty'/>
        <xs:element name='expired' type='empty'/>
        <xs:element name='failed-application' type='empty'/>
        <xs:element name='failed-transport' type='empty'/>
        <xs:element name='general-error' type='empty'/>
        <xs:element name='gone' type='empty'/>
        <xs:element name='incompatible-parameters' type='empty'/>
        <xs:element name='media-error' type='empty'/>
        <xs:element name='security-error' type='empty'/>
        <xs:element name='success' type='empty'/>
        <xs:element name='timeout' type='empty'/>
        <xs:element name='unsupported-applications' type='empty'/>
        <xs:element name='unsupported-transports' type='empty'/>
      </xs:choice>
      <xs:element name='text' type='xs:string' minOccurs='0' maxOccurs='1'/>
      <xs:any namespace='##other' minOccurs='0' maxOccurs='1'/>
    </xs:sequence>
  </xs:complexType>

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

</xs:schema>