On Sat, Nov 1, 2014 at 11:58 AM, Syd Bauman s(_dot_)bauman(_at_)neu(_dot_)edu
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
Things I learned from this & questions:
* If I had once known you can call document() with a null argument,
I had forgotten. I've gotten away with using document('/'),
because I typically call stylesheets like this on themselves. But
now I see the note at the end of
http://www.w3.org/TR/xslt20/#document, and that's certainly more
robust than my method.
* I love the "tokenize-on-slash, ignore last bit, tack what I want
on end" technique. Any reason not to use "[ position() lt last() ]"
as predicate, though?
No particular reason, but I'd use (pure personal preference):
position() ne last() . The way this is expressed currently doesn't
affect efficiency, because both arguments are scalars.
* Does it matter at all what $vDoc is set to? As long as it's
something that will be matched by the one template in
"copyDocument" mode, it's OK, right?
Almost agree. Not "something" but a node. This is the only reason a
variable is used here, because inside the <xsl:for-each> instruction
the context item is not a node, and in XSLT ver. 1 and 2 one can only
apply templates on a node-list. In XSLT 3.0 this restriction is
abolished, therefore the stylesheet could be further simplified, by
applying templates on the context item.
One thing worth mentioning is the use of the doc-available() function.
This allows us to try and safely ignore URIs that don't return a
resource and using doc() or document() on them would have resulted in
premature abnormal end. Using doc-available() is particularly handy in
cases like this, when we don't know the exact set of real URIs and
want to explore and obtain whatever is available.
--
Cheers,
Dimitre Novatchev
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