Re: [xsl] time differences

[Andrew Welch <andrew.j.welch@xxxxxxxxx>]

On 24 February 2013 11:58,  <trond.huso@xxxxxx> wrote:
> Dear list,
>
> I have a need for calculating differences in times. The times are from
sporting events and are in these formats:
> <Totaltime>1:15.28</Totaltime>
> <Totaltime>1:15.69</Totaltime>
> Here it means one minute, 15 seconds and 28 hundreds of a second (or 69
hundreds of a second) so the difference here is 41 hundreds of a second (0.48
as it would say in my output)
>
> The format could also be:
> <Totaltime>1:10:15.28</Totaltime>
> <Totaltime>1:11:15.69</Totaltime>
> where the time means one hour, 11 minutes, 15 seconds and 28 (or 69)
hundreds of a second. The difference her should then be one minute and 41
hundreds of a second (1:00.41)
>
> Up until now I have done this in an external function in a program (windows
service (daemon)) that is doing all conversions for us. Problem is that a new
structure of the service has stopped the external functions from working. I
will not go back to the old structure because the new structure made the
service faster.
>
> I am using Saxon for transformations, and I have been in contact with Mr.
Michael Kay regarding problems with external functions (thanks for all the
help!, but we have not found a solution. (dll with external functions has been
put in the GAC even without luck)
>
> A complete solution is not necessary (although it would be nice), but some
pointers towards which direction I should go - how to solve this - would help
me a lot.

Here you go:

http://www.w3.org/TR/xpath-functions/#durations-dates-times

Turn your values into xs:times, then substract one from the other to
get a xs:dayTimeDuration, then format or use the various extractor
functions.


--
Andrew Welch
http://andrewjwelch.com