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RE: maps

• To: Dare Obasanjo <dareo@m...>
• Subject: RE: maps
• From: "J. David Eisenberg" <catcode@c...>
• Date: Sun, 4 Aug 2002 16:55:41 -0500 (CDT)
• Cc: "Simon St.Laurent" <simonstl@s...>, <xml-dev@l...>
• In-reply-to: <8BD7226E07DDFF49AF5EF4030ACE0B7E06621EAD@r...>

On Sun, 4 Aug 2002, Dare Obasanjo wrote:

> How does RELAX NG provide a mechanism for specifying operations on these
> datatypes? It would be easy enough to specify the lexical form of
> longitudes and latitudes then place them in a publically accessible XSD
> file but it would be useless since there would be no language for
> specifying value space relationships in the schema.
>
>  For instance how would one specify what the semantics of maxInclusive,
> minExclusive, maxExclusive, minInclusive, etc should be?
>
>  If RELAX NG can do this I'd love to see a sample RELAX NG file that
> does this. Can you provide one?
>  

No, I can't; I appear to have ascribed to Relax NG powers beyond those of 
mortal validators. 

Looking at the code for MSV, I see that the XSD library is written so that
datatypes that need comparison implement an interface named Comparator;  
whether such a thing would be possible to add to the API for a custom
datatype library, and whether that would solve the problem is beyond my
programming expertise.  That would be a question for a Relax NG 
implementer to answer.

-- 
J. David Eisenberg  http://catcode.com/

• References:
  • RE: maps
    • From: "Dare Obasanjo" <dareo@m...>

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