Hi All
I'm trying to get a list of distinct items from an XML. I've done this many
times using a predicate containing a preceding axis, but this one has got me
stumped:
<page>
<front_back>F</front_back>
<page_no>1</page_no>
<colours>
<colour>Red</colour>
<rgb>00FFFF</rgb>
<colour>Green</colour>
<rgb>00FF00</rgb>
<colour>Blue</colour>
<rgb>FFFF00</rgb>
</colours>
</page>
<page>
<front_back>F</front_back>
<page_no>2</page_no>
<colours>
<colour>Green</colour>
<rgb>FFFFFF</rgb>
</colours>
</page>
<page>
<front_back>F</front_back>
<page_no>3</page_no>
<colours>
<colour>Green</colour>
<rgb>00FF00</rgb>
</colours>
</page>
I need to return a nodeset with a list of DISTINCT colour nodes, that I can
then process in a for-each element.
The other conditions for selection are:
colour is not Red or Blue
rgb value is not FFFFFF
I somehow need to combine the following predicates (I think)
colours/colour[. != 'Red' and . != 'Blue']
colours/rgb[. != 'FFFFFF']
colours/colour[not(. = preceding-sibling::colour)]
I'm stuck with XSL 1.0 and would like to avoid using keys if possible
Any suggestions greatly appreciated
Regards
Mark
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