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Ahh - and we must be careful about what we mean by "worked" -
Applying
//b[preceding-sibling::*[self::a]]
to
<foo>
<b/>
<a/>
<b/>
<a/>
<b/>
<b/>
</foo>
yields an extra "b" (the last one). That's because the XPath expression
above means:
get me all of the "b" elements where any of its preceding siblings
is an "a" element.
The first "b" doesn't qualify - all of the others do.
Anybody know whose XPath processor Spy uses?
Mark
-----Original Message-----
From: Garland foster [mailto:garland_foster@salutia.com]
Sent: Wednesday, July 17, 2002 5:29 PM
To: Mark Feblowitz; 'Dare Obasanjo'; xml-dev@lists.xml.org
Subject: Re: [xml-dev] Quick Xpath
XMLCooktop works with
//b[preceding-sibling::*[self::a]]
or
//b[preceding-sibling::*[1][self::a]]
or
//b[local-name(preceding-sibling::*[1])='a']
While XML-SPY works with
//b[preceding-sibling::*[self::a]]
but not with
//b[preceding-sibling::*[1][self::a]]
and doesn't work either with
//b[local-name(preceding-sibling::*[1])='a']
Interesting, which processor is wrong/right and why?
----- Original Message -----
From: Mark Feblowitz <mfeblowitz@frictionless.com>
To: 'Dare Obasanjo' <dareo@microsoft.com>; Garland foster
<garland_foster@salutia.com>; <xml-dev@lists.xml.org>
Sent: Wednesday, July 17, 2002 6:20 PM
Subject: RE: [xml-dev] Quick Xpath
> Interesting -
>
> XML Spy liked
>
> file://b[preceding-sibling::*[local-name()= 'a']]
>
> but did nothing with
>
> /foo/b[preceding-sibling::*[1][self::a]]
>
> but take out the [1] and it works (?!)
>
>
> -----Original Message-----
> From: Dare Obasanjo [mailto:dareo@microsoft.com]
> Sent: Wednesday, July 17, 2002 5:14 PM
> To: Garland foster; xml-dev@lists.xml.org
> Subject: RE: [xml-dev] Quick Xpath
>
> I'm pretty sure that's wrong but I'll wait for Jeni, Dave Carlisle, Mike
> Kay or one of the other XPath experts to confirm this before jumping to
> conclusions.
>
> --
> PITHY WORDS OF WISDOM
> The primary function of the design engineer is to make things difficult
> for the fabricator and impossible for the serviceman.
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
>
>
>
> > -----Original Message-----
> > From: Garland foster [mailto:garland_foster@salutia.com]
> > Sent: Wednesday, July 17, 2002 2:12 PM
> > To: Dare Obasanjo; xml-dev@lists.xml.org
> > Subject: Re: [xml-dev] Quick Xpath
> >
> >
> > In my XML-SPY Xpath evaluator it just returns the first "B"
> > node that has a previous "A". Ideas?
> >
> > ----- Original Message -----
> > From: Dare Obasanjo <dareo@microsoft.com>
> > To: Garland foster <garland_foster@salutia.com>;
> > <xml-dev@lists.xml.org>
> > Sent: Wednesday, July 17, 2002 5:59 PM
> > Subject: RE: [xml-dev] Quick Xpath
> >
> >
> > The following works for me
> >
> > file://b[preceding-sibling::*[local-name()= 'a']]
> >
> >
> > --
> > PITHY WORDS OF WISDOM
> > The primary function of the design engineer is to make things
> > difficult for the fabricator and impossible for the serviceman.
> >
> > This posting is provided "AS IS" with no warranties, and
> > confers no rights.
> >
> > -----Original Message-----
> > From: Garland foster [mailto:garland_foster@salutia.com]
> > Sent: Wednesday, July 17, 2002 1:49 PM
> > To: xml-dev@lists.xml.org
> > Subject: [xml-dev] Quick Xpath
> >
> >
> > <foo>
> > <b/>
> > <a/>
> > <b/>
> > <a/>
> > <b/>
> > </foo>
> >
> > Return all the "b" nodes that are inmediately preceded by an
> > "a" element (the bold nodes).
> >
> > It's easy but I'm lost :-(
> >
> > Thanks,
> > Garland.
> >
> >
> > ---
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