From: Martin Duerst <duerst@...>
Date: 2007-12-22T13:58:02+09:00
Subject: Re: io.c patch for two encodings in file mode

Hello David,

Thanks for this patch. I think Matz was planning to work on this,
and probably won't mind your help.

At 08:46 07/12/22, David Flanagan wrote:
>The attached patch adds support for filemodes like "r:utf-8:iso-8859-15" to io.c.  Works for reading and writing.  Also, it adds the external_encoding method to ARGF as well (and always returns the default external encoding for that stream).
>
>This is only minimally tested, but I've verified that it can convert a Euro sign from ISO-8859-15 to UTF-8 and back for reading and writing.
>
>To do the transcoding, I just rb_funcall to String.encode.  There might be more efficient ways to do it later.

Yes, and more appropriate, especially for stateful encodings, but
for the moment, just using String#encode is fine.

Regards,   Martin.

>I'm not confident that I've got everything done correctly, but I offer the patch in the hope that it helps with the last-minute rush to release 1.9.1.
>
>       David



#-#-#  Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-#  http://www.sw.it.aoyama.ac.jp       mailto:duerst@it.aoyama.ac.jp