• To: "Dare Obasanjo" <dareo@m...>
• Subject: Re: maps
• From: Kohsuke Kawaguchi <kk@k...>
• Date: Tue, 06 Aug 2002 11:28:12 -0400
• Cc: "J. David Eisenberg" <catcode@c...>,"Simon St.Laurent" <simonstl@s...>,<xml-dev@l...>
• In-reply-to: <8BD7226E07DDFF49AF5EF4030ACE0B7E06621EAD@r...>
• References: <8BD7226E07DDFF49AF5EF4030ACE0B7E06621EAD@r...>

> 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. 

Each datatype can define a set of "parameters." So a datatype can define
range facets by itself, then it can just reject anything that falls out
of that range. Everything is up to datatypes.


> For instance how would one specify what the semantics of maxInclusive,
> minExclusive, maxExclusive, minInclusive, etc should be? 

See attached zip file for an example. This "hex" datatype validates
hexadecimal digits, and it comes with the "max" and "min" facets which
allow you to restrict a range.


regards,
----------------------
Kohsuke Kawaguchi
E-Mail: kk@k...

hex.zip

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