Re: Immediately preceding-sibling

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Subject: Re: Immediately preceding-sibling
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Mon, 20 Oct 2003 11:54:10 -0400

Mick,

The simplest XPath test to check whether the immediately preceding sibling is a 'nospace' is:

preceding-sibling::*[1][self::nospace]

which retrieves the nospace node (which evaluates to Boolean "true") if the immediately preceding node is a nospace; if not, it retrieves nothing (which evaluates to Boolean "false").

If you want to be *really* fancy:

substring(" _",1 + preceding-sibling::*[1][self::nospace], 1)

will give you a " " or a "_" depending on what the immediate preceding sibling is (since a Boolean false or true becomes the number 0 or 1 when you try to add it).

Cheers,
Wendell

At 10:59 AM 10/20/2003, you wrote:

What I want to do is to present the contents of the line; where a word
is *not* preceded by a <nospace/> tag, I want to put a space, where it
*is* preceded by a <nospace/> tag, I want to display an underscore.


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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
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Current Thread
Immediately preceding-sibling m . vanrootseler - Mon, 20 Oct 2003 11:00:49 -0400 (EDT) Wendell Piez - Mon, 20 Oct 2003 12:00:25 -0400 (EDT) <= Wendell Piez - Mon, 20 Oct 2003 12:34:55 -0400 (EDT) Michael Kay - Mon, 20 Oct 2003 12:57:18 -0400 (EDT) m . vanrootseler - Tue, 21 Oct 2003 10:03:09 -0400 (EDT) Michael Kay - Tue, 21 Oct 2003 12:39:54 -0400 (EDT)

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Immediately preceding-sibling, m . vanrootseler	Thread	Re: Immediately preceding-sib, Wendell Piez
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