Hi Richard,
EXSLT does have some date-time functions, including one that
will generate the current date and time in a standard format.
Perhaps the most useful function for you will be date-format() to convert a
standard date string into some other output format.
But EXSLT does not include a function to parse an
arbitrary string into a standard date string. That is actual a hard
problem with ambiguities that must be resolved, such as "Is 3/12/2012 to be
interpreted as March 12 or December 3?". And month names and abbreviations
come in many languages and abbreviation styles. I have not been able to
find an XSLT module that can handle such conversions. If you find
something, please let me know and I will add it to the DocBook epub3
stylesheet.
The standard xs:date string format is CCYY-MM-DD. If you
can get your data into that format, then the EXSLT date functions can process
it.
Bob Stayton
Sagehill Enterprises
From: Kerry, Richard
Sent: Monday, December 03, 2012 10:52 AM
To: DocBook Apps Mailing List
[]
Subject: [docbook-apps] Date and Time
normalization
I want to "normalize" some dates in my DocBook.
Ie I have dates written in a number of different formats (eg 3/12/2012, 3 Dec
2012, 3 December 2012) which I'd like to normalize into one.
This is sometimes just to achieve consistency in the output documents - ie to
make them the same as my existing ones, written in Word, despite their starting
out in a number of different formats. Though in one particular case,
epub3, it is to get the dates into the format required by the spec. Epub
requires dates in a particular format, and the existing eupb3 stylesheets just
pass dates through as found in the source (and I have known it to leave
duplicates, though I may have tweaked one of my source files to fix this as it
isn't happening with my test file right now).
I'm expecting to do this by using a standard function to parse the dates as
strings, then to use a formatting function to get the resultant date/time into a
chosen format.
I can't see an XSLT 1 function to do this but I think there's one in
EXSLT.
Can anyone advise on the best option to use. Or direct me to any other
options available.
Regards,
Richard.
Richard
Kerry
BNCS
Engineer
T: +44 (0)20 82259063
M: +44 (0)7812
325518
Room EBX
301, BBC Television Centre, Wood Lane, London, W12 7RJ
uk.atos.net
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