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Re: [Chicken-users] Need help on sxpath/txpath

From: Daishi Kato
Subject: Re: [Chicken-users] Need help on sxpath/txpath
Date: Sun, 16 Jan 2011 22:32:23 +0900
User-agent: Wanderlust/2.14.0 (Africa) Emacs/21.4 Mule/5.0 (SAKAKI) 
Here you go. --daishi

CHICKEN
(c)2008-2010 The Chicken Team
(c)2000-2007 Felix L. Winkelmann
Version 4.6.0
linux-unix-gnu-x86 [ manyargs dload ptables ]
compiled 2011-01-11 on spirits (Linux)

#;1> (use sxpath htmlprag utils)
; loading /usr/local/chicken-4.6.0/lib/chicken/5/sxpath.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/chicken.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/scheme.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/data-structures.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/srfi-1.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/srfi-13.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/sxpath-lolevel.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/extras.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/ports.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/txpath.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/htmlprag.import.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/sxpath.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/sxpath-lolevel.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/txpath.so ...
; loading /usr/local/chicken-4.6.0/lib/chicken/5/htmlprag.so ...
; loading library utils ...
#;2> ((sxpath "//table/tr[td[a[contains(@href,'&abc=123&')]]]") 
(html->sxml "<html><table><tr><td><a 
href=\"/xxx/yyy/?zzz&amp;abc=123&amp;\">yyy</a></td><tr></table></html>"))
()
#;3>


CHICKEN
(c)2008 The Chicken Team
(c)2000-2007 Felix L. Winkelmann
Version 3.2.0 - linux-unix-gnu-x86      [ manyargs dload ptables applyhook ]
SVN rev. 10664  compiled 2008-05-28 on spirits (Linux)

#;1> (use sxml-tools htmlprag utils)
; loading /usr/local/chicken-3.2.0/lib/chicken/3/sxml-tools.so ...
; loading /usr/local/chicken-3.2.0/lib/chicken/3/htmlprag.so ...
; loading library utils ...
#;2> ((sxpath "//table/tr[td[a[contains(@href,'&amp;abc=123&amp;')]]]") 
(html->sxml "<html><table><tr><td><a 
href=\"/xxx/yyy/?zzz&amp;abc=123&amp;\">yyy</a></td><tr></table></html>"))
((tr (td (a (@ (href "/xxx/yyy/?zzz&amp;abc=123&amp;")) "yyy"))))
#;3>


At Sun, 16 Jan 2011 13:27:41 +0100,
Peter Bex wrote:
> 
> On Sun, Jan 16, 2011 at 03:49:41PM +0900, Daishi Kato wrote:
> > Hi,
> > 
> > I'm porting one of my projects from chicken-3.2.0 to chicken-4.6.0.
> > (And thus found a bug in http-client.)
> > 
> > It seems like the previous sxpath doesn't work on the new one.
> > Could anybody help how I can fix this?
> > 
> > The sxpath worked on chicken-3.2.0 is something like the following:
> > 
> > ((sxpath "//table/tr[td[a[contains(@href,'&amp;abc=123&amp;')]]]") x)
> > 
> > On 3.2.0 I used the sxml-tools egg and the sxpath egg on 4.6.0
> 
> What is the error you get?  What is the content you run this
> expression on?  Can you simplify it to a simple testcase?
> 
> My gut feeling is that the &amp; is maybe wrong.  Did you try just '&'?
> 
> Cheers,
> Peter
> -- 
> http://sjamaan.ath.cx
> --
> "The process of preparing programs for a digital computer
>  is especially attractive, not only because it can be economically
>  and scientifically rewarding, but also because it can be an aesthetic
>  experience much like composing poetry or music."
>                                                       -- Donald Knuth
> 
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