On 27 Aug 2013, at 18:18, Raimund Kammering wrote:
okay I tried this but mixed up the relative path expressions and the location
step …
But still puzzling:
The change brought me to:
"XPTY0004: A sequence of more than one item is not allowed as the first
argument of"
So I changed the lines to be:
<xsl:variable name="next"
select="dateTime($entry/following-sibling::entry/isodate,
$entryfollowing-sibling::entry/time)"/>
<xsl:variable name="next"
select="dateTime($entry/following-sibling::entry[1]/isodate,
$entry/following-sibling::entry[1]/time)"/>
Again, sorry for making this all-too-common mistake!
to only get the first following-sibling. Which brought me the following error:
"XPTY0004: Cannot divide two durations of different type"
pointing to the line
<xsl:sequence select="($next - $this) div xs:duration('PT1H')"/>
It should have been xs:dayTimeDuration('PT1H') rather than xs:duration.
Here I have a hard time understanding the formats - especially since I did
not use the XSLT 2.0 dataTime so far. Is't $this, $next simply in ISO8601
date format of the form YYYY-MM-DDTHH:mm:ss - if so the subtraction already
should already not be okay?
If I've got it right, isodate contains a date of the form 2013-02-09, and time
contains a time of the form 23:00:00. So in fact there are two ways to
construct a dateTime instance, and I gave you a mixture of the two.
(a) use string concatenation followed by a cast:
xs:dateTime(concat(isodate, 'T', time))
(b) convert both components separately and then use the fn:dateTime() function
to combine them:
dateTime(xs:date(isodate), xs:time(time))
Sorry for making a bit of a pig's ear of it!
Michael Kay
Saxonica
Raimund Kammering
On 27.08.2013, at 18:37, Michael Kay <mike(_at_)saxonica(_dot_)com> wrote:
Yes, sorry, a mistake I often make: within the function, all the relative
path expressions should start with $entry. So
<xsl:variable name="this" select="dateTime($entry/isodate, $entry/time)"/>
<xsl:variable name="next"
select="dateTime($entry/following-sibling::entry/isodate,
$entryfollowing-sibling::entry/time)"/>
Michael Kay
Saxonica
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