So, in conclusion,
The equivalent on
<xsl:variable name="position">
<xsl:number level='any' count="menu"/>
</xsl:variable>
is
count(./ancestor-or-self::*)+count(./preceding::*)
but the generalization to every node on a tree of my menu use
count(./ancestor-or-self::menu)+count(./preceding::menu)
is
count(./ancestor-or-self::node())+count(./preceding::node())
Ok, thanks peolple...
Dimtre Novatchev wrote:
On Sat, 11 Dec 2004 00:54:19 +0000, xptm <xptm(_at_)sapo(_dot_)pt> wrote:
So basically you're saying that the root element doesn't have the self::
axis, besides the obvious ancestor, parent and preceding. Is that so?
Any node, including "/" "has a self axis".
However, the expression you suggested:
count(./ancestor-or-self::*)+count(./preceding::*)
evaluates to 0 in the case when the context node is the document node.
The reason?
The principal node kind for the self axis is the element-node kind.
Therefore,
self::*
selects the context node only if the context node is an element. This
is not the case with the root (document) node.
Correct the above to:
self::node()
and it now selects the context node always, regardless of its node-kind.
Cheers,
Dimitre.
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