Subject: RE: [xsl] recursive sorting by element name -> Xalan Issue From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> Date: Thu, 29 Nov 2007 18:32:14 -0500 |
There we go. Thanks for the clarification, Wendell. I had it ingrained into my head somewhere never to use self:: for attributes, but I couldn't quite remember why. The specific self::@attr syntax was the part I forgot, and couldn't find quickly before I sent my response. Just to check then, the self:: axis means, absolutely and always, the axis that the current node exists in? I suppose that's a redundant statement, now that I think about it.
Correct me if I'm wrong then; what I should have ingrained into my head now regarding the self:: axis is that I should remember to carefully monitor my usage of common abbreviations directly afterward. (Or just continue using only the verbose syntax until the end of the step.) I think that's clear enough to remember accurately.
> BTW, if you wanted to write for clarity, "+not(@about)" could be > expressed "number(not(@about))", or if you preferred you could rely > on what Mike reminded us, that false() sorts before true(), and > simply say "not(@about)" or "boolean(@about)" depending on which way > you need it to sort.
number() would be clearer, for sure. I commented on the clarity near the end of my reply because I was shooting for absolute brevity, and while +not() was the shortest syntax in the end, I felt it might have been a little extreme, cutting into the clarity of the code. As Michael pointed out, there are several other angles you could use (data-type, order) to get the same results, but none with syntax as razor-slim as mine. :) Besides the boolean sort-order, that is; I didn't know that before. It seems like a rather happens-to-work situation, but since it happens to work, then viva, I'll definitely remember it. :)
Cheers, Wendell
====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ======================================================================
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