Thanks Ken & Martin! I'm still digging into XPath & XSLT 2.0 :)
On Tue, Mar 23, 2010 at 3:57 PM, G. Ken Holman
<gkholman(_at_)cranesoftwrights(_dot_)com> wrote:
Ouch! Of course I should have written:
as="xsd:string*"
and not select= as I was thinking about the constraints but typing out of
habit. Too distracted today.
. . . . . . . . . . Ken
At 2010-03-23 15:51 +0100, G. Ken Holman wrote:
At 2010-03-23 15:47 +0100, Martynas Jusevicius wrote:
a question somewhat related to my previous one.
Say I have $classes, a sequence of classnames (strings), possibly empty.
Fine ... cardinality 0 to many.
Now I want to select elements which @class attribute contains any of
the classnames from $class:
h:*[(_at_)class/tokenize(., '\s+') = $break-classes)]
In other words, select elements where tokenized @class intersects with
$class.
It works fine unless $classes is an empty sequence, in which case I
get an error:
"XTTE0570: An empty sequence is not allowed as the value of variable
$classes"
That is a declaration problem, not an executon problem. You don't show
your declaration for $classes, but I'm assuming the declaration does not
accommodate a cardinality of zero.
If it is:
<xsl:variable name="classes" select="xsd:string+"...
... then change it to:
<xsl:variable name="classes" select="xsd:string*"...
I hope this helps.
. . . . . . . . . Ken
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