XML/XML Schema/sequence

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All inner elements in a sequence are referenced

   <source lang="xml">

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

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.wbex.ru Schema.xsd">
     <product>
         <name>name 1</name>
         <image>a.gif</image>
         <description>description 1</description>
         <warranty>lifetime warranty</warranty>
         <cost>41.95</cost>
         <retailer>http://www.wbex.ru</retailer>
     </product>
     <product>
         <name>name 2</name>
         <image>b.gif</image>
         <description>description 2</description>
         <cost>239.00</cost>
         <retailer>http://www.wbex.ru</retailer>
     </product>

</products>

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:element name="products">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="product" minOccurs="0" maxOccurs="unbounded"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:element name="product">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="name"/>
               <xsd:element ref="image"/>
               <xsd:element ref="description"/>
               <xsd:element ref="warranty" minOccurs="0"/>
               <xsd:element ref="weight" minOccurs="0"/>
               <xsd:element ref="cost" maxOccurs="unbounded"/>
               <xsd:element ref="retailer"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:element name="name" type="xsd:string"/>
   <xsd:element name="image" type="xsd:string"/>
   <xsd:element name="description" type="xsd:string"/>
   <xsd:element name="warranty" type="xsd:string"/>
   <xsd:element name="weight" type="xsd:string"/>
   <xsd:element name="cost" type="xsd:string"/>
   <xsd:element name="retailer" type="xsd:string"/>

</xsd:schema> 

</source>


Anonymous complexType with sequence

   <source lang="xml">

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

                  xmlns:ex="http://www.wbex.ru"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation=
                             "http://www.wbex.ru
                              Schema.xsd">
   <aircraft>F-16</aircraft>

</airport> 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:element name="airport">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="aircraft" maxOccurs="2" type="xsd:string"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema> 

</source>


complexType with empty sequence

   <source lang="xml">

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

 targetNamespace="http://www.wbex.ru/statement"
 xmlns="http://www.wbex.ru/statement">
 
   <xs:attribute name="number" type="xs:ID" />
 <xs:attribute name="name"   type="xs:string" />
 <xs:attribute name="type"   type="xs:string" />
 <xs:element name="statement">
   <xs:complexType>
     <xs:sequence>
       <xs:element ref="customer" />
     </xs:sequence>
   </xs:complexType>
 </xs:element>
 <xs:element name="customer">
   <xs:complexType>
     <xs:sequence />
     <xs:attribute ref="number" />
     <xs:attribute ref="name"  />
     <xs:attribute ref="type" use="optional" default="normal" />
   </xs:complexType>
 </xs:element>

</xs:schema> 

</source>


Nested complexType and sequence

   <source lang="xml">

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

                  xmlns:ex="http://www.wbex.ru"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation=
                             "http://www.wbex.ru
                              Schema.xsd">
   <aircraft>
       <type>F-16</type>
   </aircraft>

</airport> 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:element name="airport">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="aircraft" maxOccurs="2">
                   <xsd:complexType>
                       <xsd:sequence>
                           <xsd:element name="type" type="xsd:string"/>
                       </xsd:sequence>
                   </xsd:complexType>
               </xsd:element>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema> 

</source>


Nested sequence

   <source lang="xml">


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

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.wbex.ru Schema.xsd">
     <product>
         <name>name 1</name>
         <image>a.gif</image>
         <description>description 1</description>
         <warranty>lifetime warranty</warranty>
         <cost>41.95</cost>
         <retailer>http://www.wbex.ru</retailer>
     </product>
     <product>
         <name>name 2</name>
         <image>b.gif</image>
         <description>description 2</description>
         <cost>239.00</cost>
         <retailer>http://www.wbex.ru</retailer>
     </product>

</products>

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:element name="products">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="product" minOccurs="0" maxOccurs="unbounded">
                   <xsd:complexType>
                       <xsd:sequence>
                           <xsd:element name="name" type="xsd:string"/>
                           <xsd:element name="image" type="xsd:string"/>
                           <xsd:element name="description" type="xsd:string"/>
                           <xsd:element name="warranty" type="xsd:string" minOccurs="0"/>
                           <xsd:element name="weight" type="xsd:string" minOccurs="0"/>
                           <xsd:element name="cost" type="xsd:string" maxOccurs="unbounded"/>
                           <xsd:element name="retailer" type="xsd:string"/>
                       </xsd:sequence>
                    </xsd:complexType>
               </xsd:element>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema> 

</source>


Reference group in a sequence

   <source lang="xml">

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

          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://www.wbex.ru Schema.xsd">
       <Book>
               <Title>title 1</Title>
               <Author>author 1</Author>
               <Date>2008</Date>
               <ISBN>1-11111-111-1</ISBN>
               <Publisher>Publisher 1</Publisher>
       </Book>
       <Book>
               <Title>title 2</Title>
               <Author>author 2</Author>
               <Date>2007</Date>
               <ISBN>0-111-11111-1</ISBN>
               <Publisher>Publisher 2</Publisher>
       </Book>

</Books>

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:element name="Books">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="Book" maxOccurs="unbounded">
                   <xsd:complexType>
                       <xsd:sequence>
                           <xsd:group ref="BookElements"/>
                       </xsd:sequence>
                   </xsd:complexType>
               </xsd:element>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:group name="BookElements">
       <xsd:sequence>
           <xsd:element name="Title" type="xsd:string"/>
           <xsd:element name="Author" type="xsd:string" maxOccurs="unbounded"/>
           <xsd:element name="Date" type="xsd:string"/>
           <xsd:element name="ISBN" type="xsd:string"/>
           <xsd:element name="Publisher" type="xsd:string"/>
       </xsd:sequence>
   </xsd:group>

</xsd:schema> 

</source>


sequence with only one element

   <source lang="xml">

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

         xmlns:xlink="http://www.w3.org/1999/xlink/namespace"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation=
                  "http://www.wbex.ru
                   Schema.xsd">
   <AIRCRAFT-DATA>...</AIRCRAFT-DATA>

</Aircraft> 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:element name="Aircraft">
       <xsd:complexType>
            <xsd:sequence>
                <xsd:element name="AIRCRAFT-DATA" type="xsd:string"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema> 

</source>


sequence with unbounded elements

   <source lang="xml">

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

          xsi:noNamespaceSchemaLocation="Schema.xsd">
       <Book>
               <Title>title 1</Title>
               <Author>author 1</Author>
               <Date>2008</Date>
               <ISBN>1-11111-111-1</ISBN>
               <Publisher>Publisher 1</Publisher>
       </Book>
       <Book>
               <Title>title 2</Title>
               <Author>author 2</Author>
               <Date>2007</Date>
               <ISBN>0-111-11111-1</ISBN>
               <Publisher>Publisher 2</Publisher>
       </Book>
       <Book>
               <Title>title 3</Title>
               <Author>author 3</Author>
               <Date>2004</Date>
               <ISBN>0-11-111111-1</ISBN>
               <Publisher>Publisher 3</Publisher>
       </Book>

</Books>

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

           elementFormDefault="qualified">
   <xsd:element name="Books">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="Book" minOccurs="0" maxOccurs="unbounded"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:element name="Book">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element ref="Title"/>
               <xsd:element ref="Author"/>
               <xsd:element ref="Date"/>
               <xsd:element ref="ISBN"/>
               <xsd:element ref="Publisher"/>
           </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>
Источник — «http://wbex.ru/index.php?title=XML/XML_Schema/sequence&oldid=10103»