[Dovecot] Japanese Search

Kazuo Moriwaka moriwaka at valinux.co.jp
Mon Dec 20 09:08:54 EET 2004


Hello,

From: Timo Sirainen <tss at iki.fi>
Subject: Re: [Dovecot] Japanese Search
Date: Mon, 20 Dec 2004 06:54:15 +0200

> On 20.12.2004, at 04:04, Kazuo Moriwaka wrote:
> 
> > I'm trying to debug search command with Japanese 'ISO-2022-JP' codec.
> >
> > ISO-2022-JP codec needs to keep character cases until convert to
> > UTF-8.
> >
> > For example:
> >  * '\033[$B%s\033[(B' means a character sounds 'N'
> >  * '\033[$B%S\033[(B' means a character sounds 'Bi'
> >
> > It causes a trouble in searches with Japanese.
> > I found imap/imap-search.c/add_new() makes strings uppercase
> > and fixed. But search results didn't affected.. ;-)
> 
> I'll fix add_new(), but I'm not sure what else could be there.. That 
> value gets passed as key parameter to message_body_search() and 
> message_header_search_init(). Those call charset_to_ucase_utf8_string() 
> to get an uppercase utf-8 string from it which is then compared to text 
> found in messages.
> 
> Did you check if the ISO-2022-JP text is converted correctly to UTF-8 
> at all? Looking at charset_to_ucase_utf8() in 
> lib-charset/charset-iconv.c might show something.

Thank you for your fix.
And I'm sorry for my mistake. 

This problem is already fixed by add_new() fix. 
But I couldn't notice it because I was mistaken in the binary files.

Now, I can search headers with Japanese strings :-)
# I test some Subject and From headers.
But body of messages can't. I'll check it out.

thanks,
-- 
Kazuo Moriwaka 
moriwaka at valinux.co.jp



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