If you are using XSLT 1.0 then the type system only supports node-sets, not
node-sequences, therefore you cannot store a sorted node-sequence in a
variable.

The approach you outline would be fine for XSLT 2.0, but in 1.0 you'll have
to find some other way.

Michael Kay
http://www.saxonica.com/


> -----Original Message-----
> From: Dolmen ! [mailto:dolmen@xxxxxxxxxxx]
> Sent: 05 April 2008 20:18
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  How to sort a nodeset returned by key()?
>
>
> Hi,
>
> Short:
> How can i sort a nodeset returned by key(), store it in a
> variable, and still be able to compare its nodes with  nodes
> of the original document ?
>
> Long:
>
> This is a transformation of my data set to an HTML table
> using rowspans.
> I'm sorting my data, then I'm using a Muenchian grouping to
> group rows.
>
> My problem is that the order of my sorted node set is not the
> same as the order of the nodeset returned by key(). I have
> not found how to reliably distinguish the first node of the
> group to output the grouping cells in the right place.
>
> I'm using xsltproc (from libxslt)
>
> Here is an example using Steve Muench's data from
> http://www.dpawson.co.uk/xsl/sect2/N7450.html#d11343e31
>
> If I remove this sort, the XHTML, is clean, but the table is
> not sorted.
>
>
>
>
>
>    Johnosn's Laundry
>   Franks's Laundry
>    Mary's Laundry
>   Bill's Laundry
>    Hammond's Laundry
>
>
>   Franks's Diner
>    Johnosn's Diner
>   Hammond's Diner
>    Mary's Diner
>   Bill's Diner
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>    Accounts ordered by region
>
>
>         RegionAccount
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Here is the broken HTML output :
>
>
>
>
>
>
>
>
>   Accounts ordered by region
>
>
>
>
>       Region
>       Account
>
>
>       Bill's Diner
>
>
>       Mary's Diner
>
>
>       Alaska
>       Mary's Laundry
>
>
>       Franks's Diner
>
>
>       Canada
>       Franks's Laundry
>
>
>       Hammond's Diner
>
>
>       Hammond's Laundry
>
>
>       Johnosn's Diner
>
>
>       Midwest
>       Johnosn's Laundry
>
>
>       New Jersey
>       Bill's Laundry
>
>
>
>
>
>
>
>
> Olivier Mengui.
> http://o.mengue.free.fr/
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