XML/XML Schema/substitutionGroup

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Версия от 21:22, 25 мая 2010; (обсуждение)
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Element with substitutionGroup

   <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 id="n1" electric="true" type="gear">
         <description>description1</description>
         <warranty>lifetime warranty</warranty>
         <name>name1</name>
         <image>a.gif</image>
         <cost currency="USD">41.95</cost>
         <retailer>http://www.wbex.ru</retailer>
     </product>
     <product id="n2" electric="true" type="gear">
         <description>description1</description>
         <warranty>lifetime warranty</warranty>
         <name>name2</name>
         <image>b.gif</image>
         <cost currency="USD">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="warranty" type="xsd:string"/>
   <xsd:element name="guarantee" substitutionGroup="warranty" type="xsd:string"/>
   <xsd:complexType name="appliance">
       <xsd:sequence>
           <xsd:element name="description" type="xsd:string"/>
           <xsd:element ref="warranty" minOccurs="0"/>
       </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="productType">
       <xsd:complexContent>
           <xsd:extension base="appliance">
               <xsd:sequence>
                   <xsd:element name="name" type="xsd:string"/>
                   <xsd:element name="image" type="imageType"/>
                   <xsd:element name="weight" type="xsd:positiveInteger" minOccurs="0"/>
                   <xsd:element name="cost" maxOccurs="unbounded">
                       <xsd:complexType>
                           <xsd:simpleContent>
                               <xsd:extension base="money">
                                   <xsd:attribute name="currency" use="required">
                                       <xsd:simpleType>
                                           <xsd:restriction base="xsd:string">
                                               <xsd:enumeration value="USD"/>
                                               <xsd:enumeration value="CAD"/>
                                           </xsd:restriction>
                                       </xsd:simpleType>
                                   </xsd:attribute>
                               </xsd:extension>
                           </xsd:simpleContent>
                       </xsd:complexType>
                   </xsd:element>
                   <xsd:element name="retailer" type="xsd:anyURI"/>
               </xsd:sequence>
               <xsd:attribute name="id" type="xsd:ID" use="required"/>
               <xsd:attribute name="electric" type="xsd:boolean" use="required"/>
               <xsd:attribute name="type" use="required">
                   <xsd:simpleType>
                       <xsd:restriction base="xsd:string">
                           <xsd:enumeration value="press"/>
                           <xsd:enumeration value="gear"/>
                           <xsd:enumeration value="centrifugal"/>
                       </xsd:restriction>
                   </xsd:simpleType>
               </xsd:attribute>
           </xsd:extension>
       </xsd:complexContent>
   </xsd:complexType>
   <xsd:element name="products">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="product" type="productType" minOccurs="0" maxOccurs="unbounded"/>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>
   <xsd:simpleType name="money">
       <xsd:restriction base="xsd:decimal">
           <xsd:fractionDigits value="2"/>
       </xsd:restriction>
   </xsd:simpleType>
   <xsd:simpleType name="imageType">
       <xsd:restriction base="xsd:string">
           <xsd:pattern value="(.)+\.(gif|jpg|jpeg|bmp)"/>
       </xsd:restriction>
   </xsd:simpleType>

</xsd:schema>

</source>