GNU bug report logs - #34215
27.0.50; Provide elisp access to Chinese pinyin-to-character mapping

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Eric Abrahamsen <eric <at> ericabrahamsen.net>
Cc: 34215 <at> debbugs.gnu.org
Subject: bug#34215: 27.0.50; Provide elisp access to Chinese pinyin-to-character mapping
Date: Wed, 30 Jan 2019 19:09:47 +0200

> From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
> Date: Tue, 29 Jan 2019 09:48:30 -0800
> 
> I've attached a diff adding the conversion function itself, but I'm not
> familiar with makefiles and so far haven't been able to figure out how
> to call it. It looks like the invocation I want will look like:
> 
> $(AM_V_GEN)${RUN_EMACS} -l titdic-cnv -f pinyin-convert \
>   ${srcdir}/MISC-DIC/pinyin.map ${srcdir}/../lisp/language/pinyin.el
> 
> Where ${srcdir} is the leim directory, but I don't actually know how to
> get this code called by make...

Add a target that is the file produced by this command, then make the
above command the recipe of that target.  Similar to the
${leimdir}/ja-dic/ja-dic.el target.

But if the above doesn't help, someone else could do this part for
you.

> > I understand, but I wonder if someone could try that for a while and
> > see if it makes better input method(s), before we decide to import it.
> 
> FWIW, that mapping is used by the pyim package, which I believe is the
> most popular pinyin-based Chinese input method out there. I also use it
> via the system-wide input framework fcitx, and it works very well.

Then I guess we will be fine importing the new version.

> +(defun pinyin-convert ()
> +  "Convert text file pinyin.map into an elisp library.
> +The library is named pinyin.el, and contains the constant
> +`pinyin-character-map'."

This writes out a .el file, but does it encode that file in UTF-8,
even if the locale's codeset is something other than UTF-8?  If not,
you need to bind coding-system-for-write to UTF-8.

> +      (insert ";; This file is automatically generated from pinyin.map,\
> + by the function pinyin-convert.")

This line is too long, suggest to break it in two.

> +      (insert ")\n\"An alist holding correspondences between pinyin syllables\
> + and Chinese characters.\")\n")

Likewise here.

Thanks.

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