XML/XML Schema/simpleType

attribute based on simpleType

   <source lang="xml">

File: Data.xml <?xml version="1.0" encoding="UTF-8"?>

 <firstelement position="1">
   <level1 children="0">
     This is level 1 of the nested elements
   </level1>
 </firstelement>
 <secondelement position="2">
   <level1 children="1">
     <level2>This is level 2 of the nested elements</level2>
   </level1>
 </secondelement>

File: Schema.xsd <?xml version="1.0" encoding="UTF-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"

 elementFormDefault="qualified">
 <xs:element name="firstelement">
   <xs:complexType>
     <xs:sequence>
       <xs:element ref="level1" />
     </xs:sequence>
     <xs:attribute name="position" type="xs:boolean"
       use="required" />
   </xs:complexType>
 </xs:element>
 <xs:element name="level1">
   <xs:complexType mixed="true">
     <xs:choice minOccurs="0" maxOccurs="unbounded">
       <xs:element ref="level2" />
     </xs:choice>
     <xs:attribute name="children" use="required">
       <xs:simpleType>
         <xs:restriction base="xs:NMTOKEN">
           <xs:enumeration value="0" />
           <xs:enumeration value="1" />
         </xs:restriction>
       </xs:simpleType>
     </xs:attribute>
   </xs:complexType>
 </xs:element>
 <xs:element name="level2" type="xs:string" />
 <xs:element name="data">
   <xs:complexType>
     <xs:sequence>
       <xs:element ref="firstelement" />
       <xs:element ref="secondelement" />
     </xs:sequence>
   </xs:complexType>
 </xs:element>
 <xs:element name="secondelement">
   <xs:complexType>
     <xs:sequence>
       <xs:element ref="level1" />
     </xs:sequence>
     <xs:attribute name="position" type="xs:byte" use="required" />
   </xs:complexType>
 </xs:element>

</xs:schema>

</source>
   
  

Create simpleType with restriction on another simple type

   <source lang="xml">

File: Data.xml <?xml version="1.0"?> <addr:address xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

   xsi:schemaLocation="http://www.wbex.ru 
     address-schema.xsd"
   xmlns:addr="http://www.wbex.ru"
   addr:language="en"
   addr:ssn="123-45-6789">
 <fullName>
   <first>W</first>
   <middle>S</middle>
   <last>M</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:nameList"
               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:attribute name="ssn" type="addr:ssn"/>
 </xsd:complexType>
</xsd:element>

<xsd:complexType name="nameComponent">
 <xsd:simpleContent>
   <xsd:extension base="addr:nameString"/>
 </xsd:simpleContent>
</xsd:complexType>
<xsd:complexType name="nameList">
 <xsd:simpleContent>
   <xsd:extension base="addr:nameListType"/>
 </xsd:simpleContent>
</xsd:complexType>

<xsd:simpleType name="nameListType">
 <xsd:list itemType="addr:nameString"/>
</xsd:simpleType>

<xsd:simpleType name="nameString">
 <xsd:restriction base="xsd:string">
   <xsd:maxLength value="50"/>
 </xsd:restriction>
</xsd:simpleType>

<xsd:simpleType name="ssn">
 <xsd:restriction base="xsd:string">
   <xsd:pattern value="\d\d\d-\d\d-\d\d\d\d"/>
 </xsd:restriction>
</xsd:simpleType>

 <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">
               <xsd:simpleType>
                 <xsd:union memberTypes="addr:locationType xsd:NMTOKEN"/>
               </xsd:simpleType>
             </xsd:attribute>
             <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:enumeration value="work"/>
     <xsd:enumeration value="home"/>
     <xsd:enumeration value="mobile"/>
   </xsd:restriction>      
 </xsd:simpleType>
 
<xsd:attributeGroup name="nationality">
 <xsd:attribute name="language" type="xsd:language"/>
</xsd:attributeGroup>

</xsd:schema>

</source>
   
  

Define simple type outside

   <source lang="xml">

File: Data.xml <?xml version="1.0"?> <Books xmlns="http://www.wbex.ru">

       <Book>
               <Title>title 1</Title>
               <Author>author 1</Author>
               <Date>1998</Date>
               <ISBN>1-11111-111-1</ISBN>
               <Publisher>publisher 1</Publisher>
       </Book>
       <Book>
               <Title>title 2</Title>
               <Author>author 2</Author>
               <Date>1977</Date>
               <ISBN>2-222-22222-2</ISBN>
               <Publisher>publisher 2</Publisher>
       </Book>

</Books> File: Schema.xsd <?xml version="1.0" encoding="UTF-8"?> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"

           targetNamespace="http://www.wbex.ru"
           xmlns="http://www.wbex.ru"
           elementFormDefault="qualified">
   <xsd:element name="Books">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="Book" minOccurs="1" maxOccurs="unbounded"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:element name="Book">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="Title" minOccurs="1" maxOccurs="1"/>
               <xsd:element ref="Author" minOccurs="1" maxOccurs="1"/>
               <xsd:element ref="Date" minOccurs="1" maxOccurs="1"/>
               <xsd:element ref="ISBN" minOccurs="1" maxOccurs="1"/>
               <xsd:element ref="Publisher" minOccurs="1" maxOccurs="1"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:element name="Title" type="xsd:string"/>
   <xsd:element name="Author" type="xsd:string"/>
   <xsd:element name="Date" type="xsd:string"/>
   <xsd:element name="ISBN" type="xsd:string"/>
   <xsd:element name="Publisher" type="xsd:string"/>

</xsd:schema>

</source>
   
  

Derived simple type

   <source lang="xml">

File: Data.xml <?xml version="1.0"?>

       <Drawing>
               <Week>July 1</Week>
               <Numbers>21 3 67 8 90 12</Numbers>
       </Drawing>
       <Drawing>
               <Week>July 8</Week>
               <Numbers>55 31 4 57 98 22</Numbers>
       </Drawing>

File: Schema.xsd <?xml version="1.0"?> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"

           targetNamespace="http://www.wbex.ru"
           xmlns="http://www.wbex.ru"
           elementFormDefault="qualified">
   <xsd:simpleType name="OneToNinetyNine">
       <xsd:restriction base="xsd:positiveInteger">
           <xsd:maxInclusive value="99"/>
       </xsd:restriction>
   </xsd:simpleType>
   
   <xsd:simpleType name="NumbersList">
       <xsd:list itemType="OneToNinetyNine"/>
   </xsd:simpleType>
   
   <xsd:simpleType name="LotteryNumbers">
       <xsd:restriction base="NumbersList">
           <xsd:length value="6"/>
       </xsd:restriction>
   </xsd:simpleType>
   
        
   <xsd:element name="data">
       <xsd:complexType>
            <xsd:sequence>
                <xsd:element name="Drawing" minOccurs="0" maxOccurs="unbounded">
                    <xsd:complexType>
                        <xsd:sequence>
                            <xsd:element name="Week" type="xsd:string"/>
                            <xsd:element name="Numbers" type="LotteryNumbers"/>
                        </xsd:sequence>
                    </xsd:complexType>
                </xsd:element>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema>

</source>