XML/XML Schema/restriction

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Версия от 18:22, 25 мая 2010; (обсуждение)
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Derivation By Restriction

File: Data.xml
<?xml version="1.0"?>
<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://www.wbex.ru Schema.xsd"
              xmlns="http://www.wbex.ru"
              >

 1
</data>
File: Schema.xsd
<?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:element name="data" type="myInteger"/>
  <xs:simpleType name="myInteger">
    <xs:restriction base="xs:integer">
      <xs:minInclusive value="-2" />
      <xs:maxExclusive value="5" />
    </xs:restriction>
  </xs:simpleType>
</xs:schema>



restriction on another user-defined type

File: Data.xml
<?xml version="1.0"?>
<Store xmlns="http://www.wbex.ru"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation=
                          "http://www.wbex.ru
                           testRestriction.xsd">
        <Flyer>
                <Title>title</Title>
                <Date>2001</Date>
        </Flyer>
</Store>

File: testRestriction.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:complexType name="Publication">
        <xsd:sequence>
            <xsd:element name="Title" type="xsd:string" maxOccurs="unbounded"/>
            <xsd:element name="Author" type="xsd:string" minOccurs="0"/>
            <xsd:element name="Date" type="xsd:gYear"/>
        </xsd:sequence>
    </xsd:complexType>
    <xsd:complexType name="FlyerType">
        <xsd:complexContent>
            <xsd:restriction base="Publication">
                <xsd:sequence>
                    <xsd:element name="Title" type="xsd:string" maxOccurs="unbounded"/>
                    <xsd:element name="Date" type="xsd:gYear"/>
                </xsd:sequence>
            </xsd:restriction>
        </xsd:complexContent>
    </xsd:complexType>
    <xsd:element name="Store">
        <xsd:complexType>
            <xsd:sequence>
                <xsd:element name="Flyer" type="FlyerType" maxOccurs="unbounded"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>
</xsd:schema>



restriction on xsd:string

File: Data.xml
<?xml version="1.0"?>
<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://www.wbex.ru Schema.xsd"
              xmlns="http://www.wbex.ru"
              >alpha</data>
              
              
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="data" type="myType"/>
    
    <xsd:simpleType name="myType">
       <xsd:restriction base="xsd:string">
           <xsd:enumeration value="alpha"/>
           <xsd:enumeration value="beta"/>
           <xsd:enumeration value="gamma"/>
       </xsd:restriction>
    </xsd:simpleType>
</xsd:schema>



using an embedded xs:simpleType(global definition) anonymous definition:

File: Data.xml
<?xml version="1.0"?>
<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://www.wbex.ru Schema.xsd"
              xmlns="http://www.wbex.ru"
              >

 1
</data>
File: Schema.xsd

<?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:element name="data" type="myInteger"/>

  <xs:simpleType name="myInteger">
    <xs:restriction>
      <xs:simpleType>
        <xs:restriction base="xs:integer">
          <xs:maxExclusive value="5" />
        </xs:restriction>
      </xs:simpleType>
      <xs:minInclusive value="-2" />
    </xs:restriction>
  </xs:simpleType>
</xs:schema>