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#-*- perl -*-
#
# Copyright (C) 2001 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $Id$
# $FML$
#
package FML::MIME;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK);
use Carp;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(decode_mime_string encode_mime_string);
sub decode_mime_string
{
my ($str, $options) = @_;
my $charset = $options->{ 'charset' } || 'euc-japan';
if ($charset eq 'euc-japan') {
use MIME::Base64;
if ($str =~ /=\?ISO\-2022\-JP\?B\?(\S+\=*)\?=/i) {
$str =~ s/=\?ISO\-2022\-JP\?B\?(\S+\=*)\?=/decode_base64($1)/gie;
}
use MIME::QuotedPrint;
if ($str =~ /=\?ISO\-2022\-JP\?Q\?(\S+\=*)\?=/i) {
$str =~ s/=\?ISO\-2022\-JP\?Q\?(\S+\=*)\?=/decode_qp($1)/gie;
}
}
use Jcode;
&Jcode::convert(\$str, 'euc');
$str;
}
sub encode_mime_string
{
my ($str, $options) = @_;
my $charset = $options->{ 'charset' } || 'iso-2022-jp';
my $encode = $options->{ 'encode' } || 'base64';
my $header = '=?'. $charset;
my $trailor = '?=';
use Jcode;
&Jcode::convert(\$str, 'jis');
if ($encode eq 'base64') {
$header .= '?B?';
$str = encode_base64($str);
}
elsif ($encode eq 'qp') {
$header .= '?Q?';
$str = encode_qp($str);
$str =~ s/(\s)/${trailor}${1}${header}/g;
}
$str =~ s/\n$//;
return ($header . $str . $trailor);
}
# original idea comes from
# import fml-support: 02651 (hirono@torii.nuie.nagoya-u.ac.jp)
# import fml-support: 03440, Masaaki Hirono <hirono@highway.or.jp>
my $MimeBEncPat =
'=\?[Ii][Ss][Oo]-2022-[Jj][Pp]\?[Bb]\?([A-Za-z0-9\+\/]+)=*\?=';
my $MimeQEncPat =
'=\?[Ii][Ss][Oo]-2022-[Jj][Pp]\?[Qq]\?([\011\040-\176]+)=*\?=';
# s/$MimeBEncPat/&kconv(&base64decode($1))/geo;
# s/$MimeQEncPat/&kconv(&MimeQDecode($1))/geo;
# sub MimeQDecode
# {
# local($_) = @_;
# s/=*$//;
# s/=(..)/pack("H2", $1)/ge;
# $_;
#}
=head1 NAME
FML::MIME.pm - what is this
=head1 SYNOPSIS
=head1 DESCRIPTION
=head2 new
=item Function()
=head1 AUTHOR
=head1 COPYRIGHT
Copyright (C) 2001 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
FML::MIME appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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