Original Message From: "Carl Eric Codere" > Greetings, > What is the section in XML Schema 1.1 draft that explains this > feature? If this feature is not currently possible in XML Schema, what > would > syntax would you suggest? > > My goal here is to be able to describe binary file formats using XML > Schema, > or any other scheman language (such as ASN.1, does ASN.1 this then?)... > > Any help would be appreciated... > Carl The section in the version of XSD 1.1 that I have that discusses this is "3.12 - Assertions". It probably won't help you much though as this is work in progress and I doubt any tools support it. You can find more about Schematron at: http://www.schematron.com/. Although you can write XSD schemas that contain Schematron constraints I'm not sure how many mainstream parsing tools support this. I have only limited experience of ASN.1. To my knowledge ASN.1 does not support this type of constraint, but I could easily be wrong. It may just be easier to make this an application level check! HTH, Pete. -- ============================================= Pete Cordell Tech-Know-Ware Ltd for XML to C++ data binding visit http://www.tech-know-ware.com/lmx (or http://www.xml2cpp.com) =============================================Received on Friday, 26 January 2007 10:02:07 GMT
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