Subject: Re: [xsl] Grouping adjacent elements by value - within a range From: Michael Kay <mike@xxxxxxxxxxxx> Date: Fri, 13 Aug 2010 12:52:41 +0100 |
Michael Kay Saxonica
Hello
I typeset price tables for Tour Operators brochures. Due to design changes, the space left to display price information has been reduced. I need to group adjacent<price> elements that are within a certain range (the range would be passed as a parameter). Once the price groupings are worked out, I then need to modify the corresponding<period> elements.
The example below shows adjacent price elements grouped that are within a range of #20 (with the lowest price returned). Using the same groupings, the<period> elements are modified by taking the first<startdate> and last<enddate>.
I can use XSLT 2.0.
========================= SOURCE XML =========================
<?xml version="1.0" encoding="UTF-8"?> <grid> <row id="periods"> <period> <startdate>01-Sep-2010</startdate> <enddate>19-Sep-2010</enddate> </period> <period> <startdate>20-Sep-2010</startdate> <enddate>25-Sep-2010</enddate> </period> <period> <startdate>26-Sep-2010</startdate> <enddate>30-Sep-2010</enddate> </period> <period> <startdate>01-Oct-2010</startdate> <enddate>11-Oct-2010</enddate> </period> <period> <startdate>12-Oct-2010</startdate> <enddate>31-Oct-2010</enddate> </period> </row> <row id="prices"> <price>1209</price> <price>1109</price> <price>1129</price> <price>1359</price> <price>1369</price> </row> </grid>
========================= RESULT XML =========================
<?xml version="1.0" encoding="UTF-8"?> <grid> <row id="periods"> <period> <startdate>01-Sep-2010</startdate> <enddate>19-Sep-2010</enddate> </period> <period> <startdate>20-Sep-2010</startdate> <enddate>30-Sep-2010</enddate> </period> <period> <startdate>01-Oct-2010</startdate> <enddate>31-Oct-2010</enddate> </period> </row> <row id="prices"> <price>1209</price> <price>1109</price> <price>1359</price> </row> </grid>
Any help greatly appreciated.
-- Kevin
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