References to a value of an element in another element?

• From: Carl Eric Codere <cecodere@yahoo.ca>
• Date: Tue, 23 Jan 2007 12:04:44 -0500 (EST)
• To: xmlschema-dev@w3.org
• Message-ID: <681807.85181.qm@web30813.mail.mud.yahoo.com>

Greetings,
         I have a simple question, but i am not sure it is possible to
represent  it in XMLSchema, if so any help would be really appreciated.

I have variable-length structure and the length of the 2nd element depends on
the value of the first element. How is it possible to specify this in
XMLSchema?

<xsd:complexType name="Chunk">
    <xsd:sequence>
      <xsd:element name="size"   type="xsd:integer"/>
      <xsd:element name="data"  type="xsd:hexBinary" ?????/>
    </xsd:sequence>
  </xsd:complexType>

The problem is with element "data", how do i specify that its length is the
value "size"???

Thank you very much,
Carl Eric Codère



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Received on Tuesday, 23 January 2007 18:43:42 UTC