At 2007-12-19 16:39 -0500, Nassar, Anthony wrote:
Does someone know a reason why this won't compile:
ode)/onm:Templates/onm:Template" use="@Name" />
Because match= attributes are restricted to be XPath patterns, not
all XPath expressions.
...but this will:
Because test= is not restricted to only being a pattern.
In other words, why can't an XPath expression in an <xsl:key> element
include parentheses and union operators?
Because patterns are restricted expressions that promote compile-time
algorithms for detecting patterns of nodes in the source tree. Not
all expressions are like this, so the XPath designers categorized a
subset of all XPath expressions, called them patterns, and they are
the only ones allowed in a match= attribute.
By the way, what is the order
of precedence between '/' and '|'? I'd understand '\' to have higher
precedence, in which case the latter expression above is actually wrong,
though it's been working for me.
A step separator "/" has higher precedence in the syntax than the
expression separator "|", which is why the parentheses are needed to
tell a processor that the step is made up of two separate expressions.
Note that in XPath 1.0 the expression separator and parentheses are
only allowed in the first step of a multiple-step location path.
I'm using .NET 2.0, so let me know if this is a platform question, in
which case I'll post elsewhere.
It is an XSLT 2.0 question, not a platform-dependent question.
I hope this helps.
. . . . . . . . . . . . . Ken
Comprehensive in-depth XSLT2/XSL-FO1.1 classes: Austin TX,Jan-2008
World-wide corporate, govt. & user group XML, XSL and UBL training
RSS feeds: publicly-available developer resources and training
G. Ken Holman mailto:gkholman(_at_)CraneSoftwrights(_dot_)com
Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/
Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995)
Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc
Legal business disclaimers: http://www.CraneSoftwrights.com/legal
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/
or e-mail: <mailto:xsl-list-unsubscribe(_at_)lists(_dot_)mulberrytech(_dot_)com>