[
Lists Home |
Date Index |
Thread Index
]
On Jul 28, 2004, at 1:03 PM, Dan White wrote:
>
> I need to be able to validate this:
>
> <Latitude>
> <deg>90</deg>
> <min>0</min>
> <sec>00.000</min>
> <dir>N</dir>
> </Latitude>
>
> The value of "degrees" can be 90 only if "minutes" and "seconds" are
> both
> zero. A degee value of 90 with non-zero minutes or seconds is invalid.
>
> That's the main problem. I have to allow for someone referencing the
> North/South Pole or , in the case of Longitude, the International
> DateLine
> (180 degrees longitude)
>
> Both present the same problem.
Ah... you need cross-field validation. XML Schema doesn't support that
currently.
You can do this with schematron--which is completely complimentary to
XML Schema. That
is, it is another validation layer for your document.
Alex Milowski FAX: (707) 598-7649
alex@milowski.com
"The excellence of grammar as a guide is proportional to the paucity of
the
inflexions, i.e. to the degree of analysis effected by the language
considered."
Bertrand Russell in a footnote of Principles of Mathematics
|
