phonebookschema

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

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">

<xs:element name="PhoneBook">
    <xs:complexType>
        <xs:sequence>
            <xs:element name="Listing"       type="Name"  minOccurs="1" maxOccurs="unbounded" />
        </xs:sequence>
    </xs:complexType>
</xs:element>


<xs:complexType name="Name">
    <xs:sequence>
        <xs:element name="PersonsName"      type="xs:string" minOccurs="1"/>
        <xs:element name="Number"   type="PhoneNumber" minOccurs="1" maxOccurs="4" />
    </xs:sequence>
</xs:complexType>

<xs:complexType name="PhoneNumber">
    <xs:sequence>
        <xs:element name="Number"   type="xs:string" minOccurs="1" maxOccurs="1" />
    </xs:sequence>
    <xs:attribute name="Type" type="NumberType" use="required" />
</xs:complexType>

<xs:simpleType name="NumberType">
    <xs:restriction base="xs:string">
        <xs:enumeration value="Mobile" />
        <xs:enumeration value="Work" />
        <xs:enumeration value="Fax" />
        <xs:enumeration value="Home" />
    </xs:restriction>
</xs:simpleType>

</xs:schema>