XML/XML Schema/pattern

Материал из Web эксперт
Перейти к: навигация, поиск

Define a comma-separated list ignoring whitespaces between values and commas

   <source lang="xml">

<?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="myType">
   <xs:restriction base="xs:token">
     <xs:pattern value="(1|2|3)( *, *(1|2|3))*" />
   </xs:restriction>
 </xs:simpleType>

</xs:schema>

</source>
   
  


Define the intersection of the block L (all the letters) and the BasicLatin (ASCII characters below #x7F)

   <source lang="xml">

<?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="BasicLatinLetters">
   <xs:restriction>
     <xs:simpleType>
       <xs:restriction base="xs:token">
         <xs:pattern value="\p{IsBasicLatin}*" />
       </xs:restriction>
     </xs:simpleType>
     <xs:pattern value="\p{L}*" />
   </xs:restriction>
 </xs:simpleType>

</xs:schema>

</source>
   
  


ISBN type by pattern

   <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:simpleType name="ISBN-type">
       <xsd:restriction base="xsd:string">
           <xsd:pattern value="\d{1}-\d{5}-\d{3}-\d{1}|\d{1}-\d{3}-\d{5}-\d{1}|\d{1}-\d{2}-\d{6}-\d{1}"/>           
       </xsd:restriction>
   </xsd:simpleType>
   <xsd:element name="Books">
       <xsd:complexType>
           <xsd:sequence>
               <xsd:element name="Book" maxOccurs="unbounded">
                   <xsd:complexType>
                       <xsd:sequence>
                           <xsd:element name="Title" type="xsd:string"/>
                           <xsd:element name="Author" type="xsd:string"/>
                           <xsd:element name="Date" type="xsd:gYear"/>
                           <xsd:element name="ISBN" type="ISBN-type"/>
                           <xsd:element name="Publisher" type="xsd:string"/>
                       </xsd:sequence>
                   </xsd:complexType>
               </xsd:element>
           </xsd:sequence>
       </xsd:complexType>
   </xsd:element>

</xsd:schema>

</source>
   
  


Oring and Grouping: "|" character is the "or" operator

   <source lang="xml">

<?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="myByte">
   <xs:restriction base="xs:byte">
     <xs:pattern value="1|2|3" />
   </xs:restriction>
 </xs:simpleType>

</xs:schema>

</source>
   
  


The xs:pattern facet is the only facet that can be applied multiple times.

   <source lang="xml">

<?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="nonScientific">
   <xsd:restriction base="xsd:float">
     <xsd:pattern value="[^eE]*" />
   </xsd:restriction>
 </xsd:simpleType>
 <xsd:simpleType name="noScientificNoLeading0">
   <xsd:restriction base="nonScientific">
     <xsd:pattern value="[^0].*" />
   </xsd:restriction>
 </xsd:simpleType>

</xsd:schema>

</source>
   
  


Unicode blocks

   <source lang="xml">

<?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="BasicLatinToken">
   <xs:restriction base="xs:token">
     <xs:pattern value="\p{IsBasicLatin}*" />
   </xs:restriction>
 </xs:simpleType>
 <xs:simpleType name="Latin-1Token">
   <xs:restriction base="xs:token">
     <xs:pattern value="[\p{IsBasicLatin}\p{IsLatin-1Supplement}]*" />
   </xs:restriction>
 </xs:simpleType>

</xs:schema>

</source>
   
  


Use pattern to control the extension name of image type

   <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="imageType"/>
                           <xsd:element name="description" type="xsd:string"/>
                           <xsd:element name="warranty" type="xsd:string" minOccurs="0"/>
                           <xsd:element name="weight" type="xsd:positiveInteger" minOccurs="0"/>
                           <xsd:element name="cost" type="money" maxOccurs="unbounded"/>
                           <xsd:element name="retailer" type="xsd:anyURI"/>
                       </xsd:sequence>
                    </xsd:complexType>
               </xsd:element>
           </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>
   
  


Wildcard: integers that are multiples of 10

   <source lang="xml">

<?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="multipleOfTen">
   <xs:restriction base="xs:integer">
     <xs:pattern value=".*0" />
   </xs:restriction>
 </xs:simpleType>

</xs:schema>

</source>
   
  


xs:pattern defines a pattern that must be matched by the lexical value of the datatype:

   <source lang="xml">

<?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="nonScientific">
   <xsd:restriction base="xsd:float">
     <xsd:pattern value="[^eE]*" />
   </xsd:restriction>
 </xsd:simpleType>
 <xsd:simpleType name="noLeading0">
   <xsd:restriction base="xsd:float">
     <xsd:pattern value="[^0].*" />
   </xsd:restriction>
 </xsd:simpleType>

</xsd:schema>

</source>