XML/XML Schema/simpleContent

Based on user-defined simple type

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"
  elementFormDefault="qualified">
  <xs:simpleType name="string255">
    <xs:restriction base="xs:token">
      <xs:maxLength value="255" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="supportedLanguages">
    <xs:restriction base="xs:language">
      <xs:enumeration value="en" />
      <xs:enumeration value="es" />
    </xs:restriction>
  </xs:simpleType>
  <xs:attribute name="lang" type="supportedLanguages" />
  <xs:element name="title">
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base="string255">
          <xs:attribute ref="lang" />
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

</xs:schema>

complexType based on simpleContent

File: Data.xml
<?xml version="1.0"?>
<addr:address xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.wbex.ru 
      Schema.xsd"
    xmlns:addr="http://www.wbex.ru"
    addr:language="en">
  <fullName>
    <first>William</first>
    <middle>Scott</middle>
    <last>Means</last>
  </fullName>
  <contacts>
    <phone addr:location="home" addr:number="111.222.3333"/>
  </contacts>
</addr:address>
File: Schema.xsd
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.wbex.ru"
  xmlns:addr="http://www.wbex.ru"
  attributeFormDefault="qualified">
 <xsd:element name="address">
  <xsd:complexType>
    <xsd:sequence>
      <xsd:element name="fullName">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="first" type="addr:nameComponent"/>
            <xsd:element name="middle" type="addr:nameComponent" minOccurs="0"/>
            <xsd:element name="last" type="addr:nameComponent"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="contacts" type="addr:contactsType" minOccurs="0"/>
    </xsd:sequence>
  <xsd:attributeGroup ref="addr:nationality"/>
  </xsd:complexType>
 </xsd:element>
 
 <xsd:complexType name="nameComponent">
  <xsd:simpleContent>
    <xsd:extension base="xsd:string"/>
  </xsd:simpleContent>
 </xsd:complexType>
 
  <xsd:complexType name="contactsType">
    <xsd:sequence>
      <xsd:element name="phone" minOccurs="0">
        <xsd:complexType>
          <xsd:complexContent>
            <xsd:restriction base="xsd:anyType">
              <xsd:attribute name="location" type="addr:locationType"/>
              <xsd:attribute name="number" type="xsd:string"/>
            </xsd:restriction>
          </xsd:complexContent>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="locationType">
    <xsd:restriction base="xsd:string"/>
  </xsd:simpleType>
  
 <xsd:attributeGroup name="nationality">
  <xsd:attribute name="language" type="xsd:language"/>
 </xsd:attributeGroup>
</xsd:schema>

simpleContent with extension

File: Data.xml
<?xml version="1.0"?>
<addr:address xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://www.wbex.ru Schema.xsd"
              xmlns:addr="http://www.wbex.ru"
              addr:language="en">
  <fullName>
    <first>first</first>
    <middle>middle</middle>
    <last>last</last>
  </fullName>
</addr:address>
File: Schema.xsd
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.wbex.ru"
  xmlns:addr="http://www.wbex.ru"
  attributeFormDefault="qualified">
 <xsd:element name="address">
  <xsd:complexType>
    <xsd:sequence>
      <xsd:element name="fullName">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="first" type="addr:nameComponent"/>
            <xsd:element name="middle" type="addr:nameComponent"
                minOccurs="0"/>
            <xsd:element name="last" type="addr:nameComponent"/>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  <xsd:attributeGroup ref="addr:nationality"/>
  </xsd:complexType>
 </xsd:element>
 
 <xsd:complexType name="nameComponent">
  <xsd:simpleContent>
    <xsd:extension base="xsd:string"/>
  </xsd:simpleContent>
 </xsd:complexType>
 <xsd:attributeGroup name="nationality">
  <xsd:attribute name="language" type="xsd:language"/>
 </xsd:attributeGroup>
</xsd:schema>