--- David Carlisle <davidc(_at_)nag(_dot_)co(_dot_)uk> wrote:
<xsl:key name="x" match="node()"
use="generate-id((..|preceding-sibling::div1|preceding-sibling::div2|preceding-sibling::div3)[last()])"/>
can only match <div1>, <div2>, and <div3>
elements,
No. It matches all nodes (match="node()") and
indexes them by the
genererate-id of the nearest preceding sibling dvi*
, or the parent if
there is no such sibling.
This means that if you are on a div* and look up the
key using the
generate-id of teh current node, you get returned
the nodes that have
this key value, which is all teh nodes for which
this is the nearest
preceding sibling div*
Ah, I see now. I had read the stuff at
jenitennisson.com, but I hadn't realized that what
<xsl:key/> was doing was setting up a sort of lookup
table. No wonder I didn't get what you were doing. My
bad.
BTW, are you using the generated ID of the parent
mainly as a placeholder value?
making a key on node9) is a bit expensive as it puts
every node in teh
document into the index, you would probably be
better to change the
match to
div1/node()
Which is probably cheaper, the key method or the
method with the variable and count() earlier in the
thread.
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