Encode/ISO2022/EightBit.pm

=head1 NAME

Encode::ISO2022::Eight --- Encode and decode of 8-bit ISO/IEC 2022
based encodings (most of them are also known as EUCs)

=head1 ENCODINGS

=over 4

=cut

require 5.7.3;
use strict;
package Encode::ISO2022::EightBit;
use vars qw($VERSION);
$VERSION=do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
use base qw(Encode::Encoding);
require Encode::ISO2022;

sub encode ($$;$) {
  my ($obj, $str, $chk) = @_;
  $_[1] = '' if $chk;
  $str = &Encode::ISO2022::internal_to_iso2022 ($str, $obj->__2022_encode);
  return $str;
}

sub decode ($$;$) {
  my ($obj, $str, $chk) = @_;
  $_[1] = '' if $chk;
  return &Encode::ISO2022::iso2022_to_internal ($str, $obj->__2022_decode);
}

## prototype for EUCs

sub __2022__common ($) {
  my $C = Encode::ISO2022->new_object;
  $C->{bit} = 8;
  $C->{option}->{designate_to}->{C0}->{default} = -1;
  $C->{option}->{designate_to}->{C0}->{"\x40"} = 0;
  $C->{option}->{designate_to}->{C1}->{default} = -1;
  $C->{option}->{designate_to}->{G94}->{default} = -1;
  $C->{option}->{designate_to}->{G94n}->{default} = -1;
  $C->{option}->{designate_to}->{G96}->{default} = -1;
  $C->{option}->{designate_to}->{G96n}->{default} = -1;
  $C->{option}->{Ginvoke_to_left} = [1,0,0,0];
  $C->{option}->{Ginvoke_by_single_shift} = [0,0,1,1];
  $C->{option}->{C1invoke_to_right} = 1;
  $C->{option}->{reset}->{Gdesignation} = 0;
  $C->{option}->{reset}->{Ginvoke} = 0;
  $C;
}
sub __2022_encode ($) {
  my $C = shift->__2022__common;
  $C;
}
sub __2022_decode ($) {
  my $C = shift->__2022__common;
  $C;
}

package Encode::ISO2022::EightBit::EUCJapanOld;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/ujis x-ujis   deckanji/);

=item ujis

EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese,
old version (pre-1990).  (Alias: x-ujis)

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{B};      ## JIS X 0208-1983
  $C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I};       ## JIS X 0201 Katakana
  $C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{' @'};   ## Gaiji (undefined)
  $C;
}

package Encode::ISO2022::EightBit::EUCJapan;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-japan euc-japan-1990 euc-jp euc-j eucjp euc_jp x-euc-jp
  x-eucjp eucjis euc-jis eucj Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese
  japanese-iso-8bit cp51932 japanese_euc
      ajec eucjp-open  ibm-eucjp cp33722 33722  sdeckanji/);

=item euc-japan

EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese.
(Alias: euc-japan-1990 (emacsen), euc-jp (IANA),
euc-j, eucjp (X), euc_jp, eucj, x-eucjp, x-euc-jp, eucjis, euc-jis,
extended_unix_code_packed_format_for_japanese (IANA),
cseucpkdfmtjapanese (IANA), japanese-iso-8bit (emacsen),
cp51932 (M$), japanese_euc)

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{'B@'};   ## JIS X 0208-1990
  $C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I};       ## JIS X 0201 Katakana
  $C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{D};      ## JIS X 0212-1990
  $C;
}

package Encode::ISO2022::EightBit::EUCJISX0213;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-jisx0213 x-euc-jisx0213 euc_jisx0213 eucjp0213
 euc-jp-3     x-euc-jisx0213-packed  deckanji2000/);

=item euc-jisx0213

EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese
with JIS X 0213:2000, defined by JIS X 0213:2000.
(Alias: x-euc-jisx0213, euc_jisx0213, eucjp0213, euc-jp-3)

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{O};      ## JIS X 0213:2000 plane 1
  $C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I};       ## JIS X 0201 Katakana
  $C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{P};      ## JIS X 0213:2000 plane 2
  $C;
}

package Encode::ISO2022::EightBit::EUCJISX0213Plane1;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-jisx0213-plane1/);

=item euc-jisx0213-plane1

EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese
with JIS X 0213:2000 plane 1, defined by JIS X 0213:2000

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{"\x7E"}; ## empty
  $C;
}

package Encode::ISO2022::EightBit::EUCCHINA;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-china euc-cn euccn euc-gb
 cn-gb cn-gb-2312 chinese-iso-8bit ugb
 gb2312 csgb2312 x-euc-cn cp51936   ibm-euccn CP1383 1383/);

=item euc-china

EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese.
(Alias: euc-cn (emacsen), euccn, euc-gb, cn-gb (RFC 1922), cn-gb-2312 (RFC 1922),
chinese-iso-8bit (emacsen), ugb, gb2312 (IANA), csgb2312 (IANA),
x-euc-cn, CP51936 (M$))

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{A};      ## GB 2312
  $C;
}

package Encode::ISO2022::EightBit::EUCCHINA165;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/cn-gb-isoir165 iso-ir-165/);

=item cn-gb-isoir165

EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
with ISO-IR 165. (Alias: cn-gb-isoir165 (RFC 1922),
ISO-IR-165)

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{"\x45"}; ## ISO-IR 165
  $C;
}

package Encode::ISO2022::EightBit::EUCcwnn;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-cwnn cwnn-iso-8bit/);

=item euc-cwnn

EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
with GB 2312, used by cwnn input system (Alias: cwnn-iso-8bit)

=cut

# See <http://www.tomo.gr.jp/users/wnn/9912ml/msg00088.html>

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{A};      ## GB 2312
  $C->{G2} = $Encode::ISO2022::CHARSET{G94}->{'0'};     # omron_udc_zh (sisheng)
        ## TODO: Implement by private set support
  $C;
}

## cn-gb-12345, gb12345, euc-gb12345

package Encode::ISO2022::EightBit::EUCKorea;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-korea euc-kr euckr cp970 cp51949 ibm-euckr x-euc-kr
 cseuckr korean-iso-8bit/);

=item euc-korea

EUC (ISO/IEC 2022 based 8-bit encoding) for Korean
(Alias: euc-kr (IANA), euckr, cp970, cp51949 (M$), ibm-euckr,
x-euc-kr, cseuckr (IANA), korean-iso-8bit (emacsen))

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{C};      ## KS X 1001
  $C;
}

package Encode::ISO2022::EightBit::EUCTaiwan;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-taiwan euc-tw euctw x-euc-tw cns11643 cseuctw
    ibm-euctw cp964/);

=item euc-taiwan

EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
with CNS 11643.  (Alias: euc-tw, euctw, x-euc-tw, cseuctw, cns11643)

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{G};      ## plane 1
  #$C->{G2} =   ## BUG: does not support plane 2-16 yet
  $C->{G2} = $Encode::ISO2022::CHARSET{G94n}->{' `'};   # 3byte DRCS (temporary)
  $C;
}

package Encode::ISO2022::EightBit::EUCtwnn;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-twnn twnn-iso-8bit/);

=item euc-twnn

EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
with CNS 11643, used by twnn input system (Alias: twnn-iso-8bit)

=cut

# See <http://www.tomo.gr.jp/users/wnn/9912ml/msg00088.html>

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{G};      ## plane 1
  $C->{G2} = $Encode::ISO2022::CHARSET{G94}->{'0'};     # omron_udc_zh (sisheng)
        ## TODO: Implement by private set support
  $C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{H};      ## plane 2
  $C;
}

package Encode::ISO2022::EightBit::EUCKPS9566;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/euc-kps9566/);

=item euc-kps9566

EUC (ISO/IEC 2022 based 8-bit encoding) for Korean
with KPS 9566-97

=cut

sub __2022__common ($) {
  my $C = shift->SUPER::__2022__common;
  $C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{N};      ## KPS 9566-97
  $C;
}

package Encode::ISO2022::EightBit::SS2;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/iso-2022-8bit-ss2/);

=item iso-2022-8bit-ss2

ISO/IEC 2022 based 8-bit encoding using SS2 for 96-charset

=cut

sub __2022__common ($) {
  my $C = Encode::ISO2022->new_object;
  $C->{option}->{designate_to}->{G96}->{default} = 2;
  $C->{option}->{designate_to}->{G96n}->{default} = 2;
  $C->{option}->{G94n_designate_long} = 1;
  $C->{option}->{Ginvoke_by_single_shift}->[2] = 1;
  $C->{option}->{Ginvoke_to_left}->[2] = 0;
  $C->{option}->{C1invoke_to_right} = 1;
  $C;
}

package Encode::ISO2022::EightBit::CompoundText;
use vars qw/@ISA/;
push @ISA, 'Encode::ISO2022::EightBit';
__PACKAGE__->Define (qw/compound-text compound_text 
 x-compound-text ctext x-ctext/);

=item compound-text

ISO/IEC 2022 based 8-bit encoding used in inter-client
communication of X Window System (Alias: ctext (emacsen), x-ctext (emacsen),
compound_text, x-compound-text)

Strictly, x-ctext, extended compound text (X Compound Text
based encoding for unknown ISO/IEC 2022 based encoding) is a
different coding system from X Compound Text.  See
[mule-jp:7455] <mid:rsqsoa5s2hr.fsf@crane.jaist.ac.jp> and
[mule-jp:7457] <mid:rsq4smlky85.fsf@crane.jaist.ac.jp>.

=cut

sub __2022__common ($) {
  my $C = Encode::ISO2022->new_object;
  $C->{option}->{designate_to}->{C0}->{default} = -1;
  $C->{option}->{designate_to}->{C1}->{default} = -1;
  $C->{option}->{designate_to}->{G94}->{I} = 1;
  $C->{option}->{designate_to}->{G96}->{default} = 1;
  $C->{option}->{designate_to}->{G96n}->{default} = -1;
  for my $t (qw/G94 G96 G94n/) {
    for (0x30..0x3F) {
      my $F = chr $_;
      $C->{option}->{designate_to}->{$t}->{$F} = -1;
      $C->{option}->{designate_to}->{$t}->{'!'.$F} = -1;
      $C->{option}->{designate_to}->{$t}->{'"'.$F} = -1;
      $C->{option}->{designate_to}->{$t}->{'#'.$F} = -1;
      $C->{option}->{designate_to}->{$t}->{' '.$F} = -1;
    }
    for (0x40..0x7E) {
      $C->{option}->{designate_to}->{$t}->{' '.chr $_} = -1;
    }
  }
  $C->{option}->{G94n_designate_long} = 1;
  $C->{option}->{Ginvoke_to_left}->[1] = 0;
  $C->{option}->{C1invoke_to_right} = 1;
  $C->{option}->{reset}->{Ginvoke} = 0;
  $C;
}
sub __2022_decode ($) {
  my $C = shift->__2022__common;
  ## Emacsen's x-ctext
  $C->{G1} = $Encode::ISO2022::CHARSET{G96}->{A};       ## ISO/IEC 8859-1
  $C;
}


1;
__END__

=back

=head1 LICENSE

Copyright 2002 Wakaba <w@suika.fam.cx>

This library is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.

=cut

# $Date: 2002/09/22 11:08:23 $
### SevenBit.pm ends here
1	=head1 NAME
2
3	Encode::ISO2022::Eight --- Encode and decode of 8-bit ISO/IEC 2022
4	based encodings (most of them are also known as EUCs)
5
6	=head1 ENCODINGS
7
8	=over 4
9
10	=cut
11
12	require 5.7.3;
13	use strict;
14	package Encode::ISO2022::EightBit;
15	use vars qw($VERSION);
16	$VERSION=do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
17	use base qw(Encode::Encoding);
18	require Encode::ISO2022;
19
20	sub encode ($$;$) {
21	my ($obj, $str, $chk) = @_;
22	$_[1] = '' if $chk;
23	$str = &Encode::ISO2022::internal_to_iso2022 ($str, $obj->__2022_encode);
24	return $str;
25	}
26
27	sub decode ($$;$) {
28	my ($obj, $str, $chk) = @_;
29	$_[1] = '' if $chk;
30	return &Encode::ISO2022::iso2022_to_internal ($str, $obj->__2022_decode);
31	}
32
33	## prototype for EUCs
34
35	sub __2022__common ($) {
36	my $C = Encode::ISO2022->new_object;
37	$C->{bit} = 8;
38	$C->{option}->{designate_to}->{C0}->{default} = -1;
39	$C->{option}->{designate_to}->{C0}->{"\x40"} = 0;
40	$C->{option}->{designate_to}->{C1}->{default} = -1;
41	$C->{option}->{designate_to}->{G94}->{default} = -1;
42	$C->{option}->{designate_to}->{G94n}->{default} = -1;
43	$C->{option}->{designate_to}->{G96}->{default} = -1;
44	$C->{option}->{designate_to}->{G96n}->{default} = -1;
45	$C->{option}->{Ginvoke_to_left} = [1,0,0,0];
46	$C->{option}->{Ginvoke_by_single_shift} = [0,0,1,1];
47	$C->{option}->{C1invoke_to_right} = 1;
48	$C->{option}->{reset}->{Gdesignation} = 0;
49	$C->{option}->{reset}->{Ginvoke} = 0;
50	$C;
51	}
52	sub __2022_encode ($) {
53	my $C = shift->__2022__common;
54	$C;
55	}
56	sub __2022_decode ($) {
57	my $C = shift->__2022__common;
58	$C;
59	}
60
61	package Encode::ISO2022::EightBit::EUCJapanOld;
62	use vars qw/@ISA/;
63	push @ISA, 'Encode::ISO2022::EightBit';
64	__PACKAGE__->Define (qw/ujis x-ujis deckanji/);
65
66	=item ujis
67
68	EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese,
69	old version (pre-1990). (Alias: x-ujis)
70
71	=cut
72
73	sub __2022__common ($) {
74	my $C = shift->SUPER::__2022__common;
75	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{B}; ## JIS X 0208-1983
76	$C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I}; ## JIS X 0201 Katakana
77	$C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{' @'}; ## Gaiji (undefined)
78	$C;
79	}
80
81	package Encode::ISO2022::EightBit::EUCJapan;
82	use vars qw/@ISA/;
83	push @ISA, 'Encode::ISO2022::EightBit';
84	__PACKAGE__->Define (qw/euc-japan euc-japan-1990 euc-jp euc-j eucjp euc_jp x-euc-jp
85	x-eucjp eucjis euc-jis eucj Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese
86	japanese-iso-8bit cp51932 japanese_euc
87	ajec eucjp-open ibm-eucjp cp33722 33722 sdeckanji/);
88
89	=item euc-japan
90
91	EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese.
92	(Alias: euc-japan-1990 (emacsen), euc-jp (IANA),
93	euc-j, eucjp (X), euc_jp, eucj, x-eucjp, x-euc-jp, eucjis, euc-jis,
94	extended_unix_code_packed_format_for_japanese (IANA),
95	cseucpkdfmtjapanese (IANA), japanese-iso-8bit (emacsen),
96	cp51932 (M$), japanese_euc)
97
98	=cut
99
100	sub __2022__common ($) {
101	my $C = shift->SUPER::__2022__common;
102	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{'B@'}; ## JIS X 0208-1990
103	$C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I}; ## JIS X 0201 Katakana
104	$C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{D}; ## JIS X 0212-1990
105	$C;
106	}
107
108	package Encode::ISO2022::EightBit::EUCJISX0213;
109	use vars qw/@ISA/;
110	push @ISA, 'Encode::ISO2022::EightBit';
111	__PACKAGE__->Define (qw/euc-jisx0213 x-euc-jisx0213 euc_jisx0213 eucjp0213
112	euc-jp-3 x-euc-jisx0213-packed deckanji2000/);
113
114	=item euc-jisx0213
115
116	EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese
117	with JIS X 0213:2000, defined by JIS X 0213:2000.
118	(Alias: x-euc-jisx0213, euc_jisx0213, eucjp0213, euc-jp-3)
119
120	=cut
121
122	sub __2022__common ($) {
123	my $C = shift->SUPER::__2022__common;
124	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{O}; ## JIS X 0213:2000 plane 1
125	$C->{G2} = $Encode::ISO2022::CHARSET{G94}->{I}; ## JIS X 0201 Katakana
126	$C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{P}; ## JIS X 0213:2000 plane 2
127	$C;
128	}
129
130	package Encode::ISO2022::EightBit::EUCJISX0213Plane1;
131	use vars qw/@ISA/;
132	push @ISA, 'Encode::ISO2022::EightBit';
133	__PACKAGE__->Define (qw/euc-jisx0213-plane1/);
134
135	=item euc-jisx0213-plane1
136
137	EUC (ISO/IEC 2022 based 8-bit encoding) for Japanese
138	with JIS X 0213:2000 plane 1, defined by JIS X 0213:2000
139
140	=cut
141
142	sub __2022__common ($) {
143	my $C = shift->SUPER::__2022__common;
144	$C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{"\x7E"}; ## empty
145	$C;
146	}
147
148	package Encode::ISO2022::EightBit::EUCCHINA;
149	use vars qw/@ISA/;
150	push @ISA, 'Encode::ISO2022::EightBit';
151	__PACKAGE__->Define (qw/euc-china euc-cn euccn euc-gb
152	cn-gb cn-gb-2312 chinese-iso-8bit ugb
153	gb2312 csgb2312 x-euc-cn cp51936 ibm-euccn CP1383 1383/);
154
155	=item euc-china
156
157	EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese.
158	(Alias: euc-cn (emacsen), euccn, euc-gb, cn-gb (RFC 1922), cn-gb-2312 (RFC 1922),
159	chinese-iso-8bit (emacsen), ugb, gb2312 (IANA), csgb2312 (IANA),
160	x-euc-cn, CP51936 (M$))
161
162	=cut
163
164	sub __2022__common ($) {
165	my $C = shift->SUPER::__2022__common;
166	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{A}; ## GB 2312
167	$C;
168	}
169
170	package Encode::ISO2022::EightBit::EUCCHINA165;
171	use vars qw/@ISA/;
172	push @ISA, 'Encode::ISO2022::EightBit';
173	__PACKAGE__->Define (qw/cn-gb-isoir165 iso-ir-165/);
174
175	=item cn-gb-isoir165
176
177	EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
178	with ISO-IR 165. (Alias: cn-gb-isoir165 (RFC 1922),
179	ISO-IR-165)
180
181	=cut
182
183	sub __2022__common ($) {
184	my $C = shift->SUPER::__2022__common;
185	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{"\x45"}; ## ISO-IR 165
186	$C;
187	}
188
189	package Encode::ISO2022::EightBit::EUCcwnn;
190	use vars qw/@ISA/;
191	push @ISA, 'Encode::ISO2022::EightBit';
192	__PACKAGE__->Define (qw/euc-cwnn cwnn-iso-8bit/);
193
194	=item euc-cwnn
195
196	EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
197	with GB 2312, used by cwnn input system (Alias: cwnn-iso-8bit)
198
199	=cut
200
201	# See <http://www.tomo.gr.jp/users/wnn/9912ml/msg00088.html>
202
203	sub __2022__common ($) {
204	my $C = shift->SUPER::__2022__common;
205	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{A}; ## GB 2312
206	$C->{G2} = $Encode::ISO2022::CHARSET{G94}->{'0'}; # omron_udc_zh (sisheng)
207	## TODO: Implement by private set support
208	$C;
209	}
210
211	## cn-gb-12345, gb12345, euc-gb12345
212
213	package Encode::ISO2022::EightBit::EUCKorea;
214	use vars qw/@ISA/;
215	push @ISA, 'Encode::ISO2022::EightBit';
216	__PACKAGE__->Define (qw/euc-korea euc-kr euckr cp970 cp51949 ibm-euckr x-euc-kr
217	cseuckr korean-iso-8bit/);
218
219	=item euc-korea
220
221	EUC (ISO/IEC 2022 based 8-bit encoding) for Korean
222	(Alias: euc-kr (IANA), euckr, cp970, cp51949 (M$), ibm-euckr,
223	x-euc-kr, cseuckr (IANA), korean-iso-8bit (emacsen))
224
225	=cut
226
227	sub __2022__common ($) {
228	my $C = shift->SUPER::__2022__common;
229	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{C}; ## KS X 1001
230	$C;
231	}
232
233	package Encode::ISO2022::EightBit::EUCTaiwan;
234	use vars qw/@ISA/;
235	push @ISA, 'Encode::ISO2022::EightBit';
236	__PACKAGE__->Define (qw/euc-taiwan euc-tw euctw x-euc-tw cns11643 cseuctw
237	ibm-euctw cp964/);
238
239	=item euc-taiwan
240
241	EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
242	with CNS 11643. (Alias: euc-tw, euctw, x-euc-tw, cseuctw, cns11643)
243
244	=cut
245
246	sub __2022__common ($) {
247	my $C = shift->SUPER::__2022__common;
248	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{G}; ## plane 1
249	#$C->{G2} = ## BUG: does not support plane 2-16 yet
250	$C->{G2} = $Encode::ISO2022::CHARSET{G94n}->{' `'}; # 3byte DRCS (temporary)
251	$C;
252	}
253
254	package Encode::ISO2022::EightBit::EUCtwnn;
255	use vars qw/@ISA/;
256	push @ISA, 'Encode::ISO2022::EightBit';
257	__PACKAGE__->Define (qw/euc-twnn twnn-iso-8bit/);
258
259	=item euc-twnn
260
261	EUC (ISO/IEC 2022 based 8-bit encoding) for Chinese
262	with CNS 11643, used by twnn input system (Alias: twnn-iso-8bit)
263
264	=cut
265
266	# See <http://www.tomo.gr.jp/users/wnn/9912ml/msg00088.html>
267
268	sub __2022__common ($) {
269	my $C = shift->SUPER::__2022__common;
270	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{G}; ## plane 1
271	$C->{G2} = $Encode::ISO2022::CHARSET{G94}->{'0'}; # omron_udc_zh (sisheng)
272	## TODO: Implement by private set support
273	$C->{G3} = $Encode::ISO2022::CHARSET{G94n}->{H}; ## plane 2
274	$C;
275	}
276
277	package Encode::ISO2022::EightBit::EUCKPS9566;
278	use vars qw/@ISA/;
279	push @ISA, 'Encode::ISO2022::EightBit';
280	__PACKAGE__->Define (qw/euc-kps9566/);
281
282	=item euc-kps9566
283
284	EUC (ISO/IEC 2022 based 8-bit encoding) for Korean
285	with KPS 9566-97
286
287	=cut
288
289	sub __2022__common ($) {
290	my $C = shift->SUPER::__2022__common;
291	$C->{G1} = $Encode::ISO2022::CHARSET{G94n}->{N}; ## KPS 9566-97
292	$C;
293	}
294
295	package Encode::ISO2022::EightBit::SS2;
296	use vars qw/@ISA/;
297	push @ISA, 'Encode::ISO2022::EightBit';
298	__PACKAGE__->Define (qw/iso-2022-8bit-ss2/);
299
300	=item iso-2022-8bit-ss2
301
302	ISO/IEC 2022 based 8-bit encoding using SS2 for 96-charset
303
304	=cut
305
306	sub __2022__common ($) {
307	my $C = Encode::ISO2022->new_object;
308	$C->{option}->{designate_to}->{G96}->{default} = 2;
309	$C->{option}->{designate_to}->{G96n}->{default} = 2;
310	$C->{option}->{G94n_designate_long} = 1;
311	$C->{option}->{Ginvoke_by_single_shift}->[2] = 1;
312	$C->{option}->{Ginvoke_to_left}->[2] = 0;
313	$C->{option}->{C1invoke_to_right} = 1;
314	$C;
315	}
316
317	package Encode::ISO2022::EightBit::CompoundText;
318	use vars qw/@ISA/;
319	push @ISA, 'Encode::ISO2022::EightBit';
320	__PACKAGE__->Define (qw/compound-text compound_text
321	x-compound-text ctext x-ctext/);
322
323	=item compound-text
324
325	ISO/IEC 2022 based 8-bit encoding used in inter-client
326	communication of X Window System (Alias: ctext (emacsen), x-ctext (emacsen),
327	compound_text, x-compound-text)
328
329	Strictly, x-ctext, extended compound text (X Compound Text
330	based encoding for unknown ISO/IEC 2022 based encoding) is a
331	different coding system from X Compound Text. See
332	[mule-jp:7455] <mid:rsqsoa5s2hr.fsf@crane.jaist.ac.jp> and
333	[mule-jp:7457] <mid:rsq4smlky85.fsf@crane.jaist.ac.jp>.
334
335	=cut
336
337	sub __2022__common ($) {
338	my $C = Encode::ISO2022->new_object;
339	$C->{option}->{designate_to}->{C0}->{default} = -1;
340	$C->{option}->{designate_to}->{C1}->{default} = -1;
341	$C->{option}->{designate_to}->{G94}->{I} = 1;
342	$C->{option}->{designate_to}->{G96}->{default} = 1;
343	$C->{option}->{designate_to}->{G96n}->{default} = -1;
344	for my $t (qw/G94 G96 G94n/) {
345	for (0x30..0x3F) {
346	my $F = chr $_;
347	$C->{option}->{designate_to}->{$t}->{$F} = -1;
348	$C->{option}->{designate_to}->{$t}->{'!'.$F} = -1;
349	$C->{option}->{designate_to}->{$t}->{'"'.$F} = -1;
350	$C->{option}->{designate_to}->{$t}->{'#'.$F} = -1;
351	$C->{option}->{designate_to}->{$t}->{' '.$F} = -1;
352	}
353	for (0x40..0x7E) {
354	$C->{option}->{designate_to}->{$t}->{' '.chr $_} = -1;
355	}
356	}
357	$C->{option}->{G94n_designate_long} = 1;
358	$C->{option}->{Ginvoke_to_left}->[1] = 0;
359	$C->{option}->{C1invoke_to_right} = 1;
360	$C->{option}->{reset}->{Ginvoke} = 0;
361	$C;
362	}
363	sub __2022_decode ($) {
364	my $C = shift->__2022__common;
365	## Emacsen's x-ctext
366	$C->{G1} = $Encode::ISO2022::CHARSET{G96}->{A}; ## ISO/IEC 8859-1
367	$C;
368	}
369
370
371	1;
372	__END__
373
374	=back
375
376	=head1 LICENSE
377
378	Copyright 2002 Wakaba <w@suika.fam.cx>
379
380	This library is free software; you can redistribute it
381	and/or modify it under the same terms as Perl itself.
382
383	=cut
384
385	# $Date: 2002/09/22 11:08:23 $
386	### SevenBit.pm ends here