From: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
To: cygwin@cygwin.com
Cc: 赵伟 <qdzhaov@qq.com>
Subject: Re: When displaying Chinese help information in Cygwin setup, the program does not respond. The code enters a dead loop.
Date: Thu, 28 Mar 2024 22:01:16 -0600 [thread overview]
Message-ID: <977c901f-4733-4c17-960c-91b652024bff@SystematicSW.ab.ca> (raw)
In-Reply-To: <tencent_1D4A1965D169D6E2B9F6CA21B7160E3A8C09@qq.com>
On 2024-03-28 09:26, 赵伟 via Cygwin wrote:
> When displaying Chinese help information, the program does not respond.
> The code enters a dead loop in file
> "libgetopt++/include/getopt++/DefaultFormatter.h",
> because some Chinese help information does not contain spaces.
> diff --git a/libgetopt++/include/getopt++/DefaultFormatter.h b/libgetopt++/include/getopt++/DefaultFormatter.h
> index ee2397f5..19ac67e1 100644
> --- a/libgetopt++/include/getopt++/DefaultFormatter.h
> +++ b/libgetopt++/include/getopt++/DefaultFormatter.h
> @@ -64,6 +64,7 @@ class DefaultFormatter {
> {
> // TODO: consider using a line breaking strategy here.
> int pos = helpmsg.substr(0,h_len).find_last_of(" ");
> + if (pos <= 0) break;
> theStream << helpmsg.substr(0,pos)
> << std::endl << std::string (o_len, ' ');
> helpmsg.erase (0,pos+1);
It seems that the best approach for Chinese translations would be to:
- add spaces at sentence or word breaks in translations before 35 or 45 bytes,
if that is the length unit, worth of characters are output in each column; or
- add a language dependent line breaking strategy, to honour characters not to
be placed at the beginning or ends of lines or split; or
- split between characters, as with long strings in other languages.
--
Take care. Thanks, Brian Inglis Calgary, Alberta, Canada
La perfection est atteinte Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut
-- Antoine de Saint-Exupéry
prev parent reply other threads:[~2024-03-29 4:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-28 15:26 When displaying Chinese help information, " =?gb18030?B?1dTOsA==?=
2024-03-29 4:01 ` Brian Inglis [this message]
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