CODEWITHSUNDEEP
xmlvalidationxsd
user277114
user277114

Reputation: 11

How to write an XML Schema for which this XML document is a valid instance?

<Unit Number="1">
 <Identifier Type="ABC" Text="STO0001"/>
 <Identifier Type="DEF" Text="Some Value"/>
 <Identifier Type="GHI" Text="20070805"/>
 <Disposition Unit="Accept"/>
</Unit>

I need to validate that Type="DEF" Text="Some Value" is not empty

Something Like:

<xs:complexType name="requiredValue" abstract="true"/>

<xs:complexType name="Identifier">
    <xs:complexContent>
        <xs:extension base="requiredValue">
            <xs:attribute name="Type" use="required" fixed="DEF"/>
            <xs:attribute name="Text" type="NonEmptyString"/>
        </xs:extension>
    </xs:complexContent>
</xs:complexType>

Upvotes: 1

Views: 225

Answers (2)

philcolbourn
philcolbourn

Reputation: 4122

This is not exactly what you are after, but it might help you to do the bulk of the schema.

This allows you to upload a xml file and it will create a xsd schema or a DTD.

http://www.hitsw.com/xml_utilites/

This does the same sort of thing.

http://www.flame-ware.com/products/xml-2-xsd/Default.aspx

Pavel mentioned Schematron. To help construct these schemas you might like to use pyang.

http://code.google.com/p/pyang/

Upvotes: 1

AxelEckenberger
AxelEckenberger

Reputation: 16926

Using the xsd:minLength restriction:

<xsd:attribute name="Type">
  <xsd:simpleType>
    <xsd:restriction base="xsd:string">
      <xsd:minLength value="1"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:element>

Upvotes: 0

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