Re: Web site i18n with Haunt

["pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de>]

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On Sun, Feb 11, 2018 at 03:45:12PM +0100, Ricardo Wurmus wrote:
> 
> pelzflorian (Florian Pelz) <pelzflorian@pelzflorian.de> writes:
> 
> > I did not use SXPath.  This one still looks ugly:
> >
> > (div (@ (id "powered-by"))
> >      ,@(__ "Powered by <link \
> > url=\"https://www.gnu.org/software/guile/\">GNU Guile</link> and \
> > <link url=\"https://haunt.dthompson.us/\">Haunt</link>."
> >            `(link
> >              . ,(lambda (tag attr text)
> >                   (a-href
> >                    (cadadr attr)
> >                    text)))))
> >
> > I suppose I should have used SXPath for it to get the URL out of the
> > (@ (url "…")) attribute?
> 
> Since the URL isn’t supposed to be translated I wouldn’t present it as
> part of the translatable text, i.e. the string would be:
> 
>     Powered by <guile>GNU Guile</guile> and <haunt>Haunt</haunt>.
> […]

Well, if eventually the websites of Guile and/or Haunt were to be
translated, then I would like to localize the URL. ;)



> You could use sxpath to avoid cadadr, but it wouldn’t be less verbose:
> 
>     (foo s
>      `(link . ,(lambda (_ attr contents)
>                 (a-href (car ((sxpath '(url *text*)) attr)) ,contents))))
> 
> (Correctly but annoyingly, “sxpath” always returns a list, so we still
> need to unpack the URL from the result with “car”.)
> 
> sxpath takes a path as a list of symbols and returns a selector function
> that takes a nodeset.  So the selector function applied to “attr” gets
> us a list of all “*text*” nodes inside of a “url” node in the argument
> “attr”.
> 

I switched my website to use your sxpath code.  Thank you.  It is more
maintainable and I do not really care about verbosity.  The SXPath
info page was too long for me to read thoroughly without examples.

I chose not to use _ as its the same as what I use for my Gettext
macro.  sirgazil said here
https://lists.gnu.org/archive/html/guile-devel/2017-12/msg00051.html
that they prefer l10n as the gettext alias instead of _.  I guess I’ll
stick with _ albeit a somewhat unfortunate choice.

Regardsm
Florian

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