<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

<xsd:annotation> 
    <xsd:documentation xml:lang="it"> 
    XML tutorial per il lavoro di TAW 
    </xsd:documentation> 
</xsd:annotation> 
  
<xsd:choice>
   <xsd:element name="studente" type="StudentType"/> 
   <xsd:element name="studente diplomato" type="GraduatedStudent"/> 
</xsd:choice> 
  
<xsd:complexType name="StudentType"> 
   <xsd:sequence> 
      <xsd:element name="cognome" type="xsd:string"/> 
      <xsd:element name="nome" type="xsd:string"/> 
      <xsd:element name="sesso" type="SexType"/> 
      <xsd:element name="indirizzo" type="AddressType"/> 
      <xsd:element name="classe" type="ClassType"/> 
      <xsd:element name="pagella"> 
         <xsd:complexType mixed="true"> 
            <xsd:sequence> 
               <xsd:element name="matematica" type="ListOfMarks"/> 
               <xsd:element name="italiano" type="ListOfMarks"/> 
               <xsd:element name="edmusicale" type="ListOfMarks"/> 
            </xsd:sequence> 
         </xsd:complexType> 
      </xsd:element> 
   </xsd:sequence> 
   <xsd:attribute name="matricola" type="xsd:integer"/> 
</xsd:complexType> 
<xsd:complexType name="AddressType">
   <xsd:sequence>
      <xsd:element name="nomeVia" type="xsd:string"/>
      <xsd:element name="CAP" type="xsd:integer"/>
      <xsd:element name="citta" type="xsd:string"/>
   </xsd:sequence>
</xsd:complexType>

<xsd:simpleType name ="SexType"> 
   <xsd:restriction base="xsd:string"> 
      <xsd:enumeration value="M"/> 
      <xsd:enumeration value="F"/> 
   </xsd:restriction> 
</xsd:simpleType> 
<xsd:complexType name="ClassType"> 
   <xsd:restriction base="xsd:string">
      <xsd:pattern value="\d{1}-[A-Z]{1}"/>
   </xsd:restriction> 
   <xsd:attribute name="sperimentazione"> 
      <xsd:simpleType> 
         <xsd:restriction base="xsd:string"> 
            <xsd:enumeration value="Bilingue"/> 
            <xsd:enumeration value="Brocca"/> 
            <xsd:enumeration value="P.N.I."/> 
         </xsd:restriction> 
      </xsd:simpleType> 
   </xsd:attribute> 
</xsd:complexType> 
  
<xsd:simpleType name="voto"> 
   <xsd:restriction base="xsd:decimal"> 
      <xsd:minExclusive value="0"/> 
      <xsd:maxInclusive value="10"/> 
   </xsd:restriction> 
</xsd:simpleType> 
<xsd:simpleType name="ListOfMarks"> 
   <xsd:list itemType="voto"/> 
</xsd:simpleType>
  
<xsd:complexType name="GraduatedStudent"> 
   <xsd:extension base="StudentType"> 
      <xsd:element name="voto diploma" type="integer"/> 
   </xsd:extension> 
</xsd:complexType> 
</xsd:schema>