Subject: RE: [xsl] getting the text nodes from a set of attribute nodes From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> Date: Thu, 4 Sep 2003 14:53:41 -0400 (EDT) |
On Thu, 4 Sep 2003, Michael Kay wrote: > > <a> > > <b attr="w1 w3 w6">...</b> > > <b attr="w2 w12 w3 w7">...</b> > > ... more <b>s here ... > > </a> > > > > when processing an <a> element, i need to calculate the > > maximum number of whitespace-separated words for any > > "b/@attr" attribute. so just what you see above, the value > > would be 4, based on that second <b> child of <a>. > > > > AFAICT, this will involve three steps: > > > > 1) collect the "b/@attr" attributes (easy) > > 2) normalize space and word count each of those attribute values > > (again, easy, stealing from kay, p. 527, the "word-count" > > template :-) > > 3) finding the maximum of those values > > You can count the words without recursive processing: > > $x := normalize-space(@attr) > $y := translate(@attr, ' ', '') > $wc := string-length($x) - string-length($y) +1 ok, thanks. that makes things easier. > > since, as i understand it, you can't have a node-set of just > > numbers, > > Since numbers aren't nodes, how could you have a node-set containing > numbers? but that was my point. the sample XSL i showed for calculating the minimum value was *treating* a node-set as if the individual elements were numbers, and was comparing them numerically. <xsl:value-of select="$nodes[not($nodes < .)]"/> how would this be interpreted? the book refers to this as calculating "the minimum value of a node set", which to my mind is viewing the "nodes" as numerical values. i wasn't trying to suggest that numbers were actual nodes, only that they were being "treated" that way by the above expression. rday XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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