lib/Encode/Charset.pm


=head1 NAME

Encode::Charset --- Coded Character Sets objects,
used by Encode::ISO2022, Encode::SJIS, and other modules.

=cut

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

## --- Make initial charset definitions
&_make_initial_charsets;
sub _make_initial_charsets () {
for my $f (0x30..0x7E) {
  my $F = pack 'C', $f;
  for ('', '!', '"', '#') {
    $CHARSET{G94}->{ $_.$F }->{dimension} = 1;
    $CHARSET{G94}->{ $_.$F }->{chars} = 94;
    $CHARSET{G94}->{ $_.$F }->{ucs} =
      {'' => 0xE90940, '!' => 0xE944A0, '"' => 0xE98000, '#' => 0xE9BB60}->{ $_ }
      + 94 * ($f-0x30);
    
    $CHARSET{G96}->{ $_.$F }->{dimension} = 1;
    $CHARSET{G96}->{ $_.$F }->{chars} = 96;
    $CHARSET{G96}->{ $_.$F }->{ucs} =
      {'' => 0xE926A0, '!' => 0xE96200, '"' => 0xE99D60, '#' => 0xE9D8C0}->{ $_ }
      + 96 * ($f-0x30);
    
    $CHARSET{C0}->{ $_.$F }->{dimension} = 1;
    $CHARSET{C0}->{ $_.$F }->{chars} = 32;
    $CHARSET{C0}->{ $_.$F }->{ucs} =
      {'' => 0x70000000, '!' => 0x70001400,
      '"' => 0x70002800, '#' => 0x70003C00}->{ $_ } + 32 * ($f-0x30);
    
    $CHARSET{C1}->{ $_.$F }->{dimension} = 1;
    $CHARSET{C1}->{ $_.$F }->{chars} = 32;
    $CHARSET{C1}->{ $_.$F }->{ucs} =
      {'' => 0x70000A00, '!' => 0x70001E00,
      '"' => 0x70003200, '#' => 0x70004600}->{ $_ } + 32 * ($f-0x30);
    
    $CHARSET{G94}->{ ' '.$_.$F }->{dimension} = 1;      ## DRCS
    $CHARSET{G94}->{ ' '.$_.$F }->{chars} = 94;
    $CHARSET{G94}->{ ' '.$_.$F }->{ucs} =
      {'' => 0x70090940, '!' => 0x700944A0,
      '"' => 0x70098000, '#' => 0x7009BB60}->{ $_ } + 94 * ($f-0x30);
    
    $CHARSET{G96}->{ ' '.$_.$F }->{dimension} = 1;      ## DRCS
    $CHARSET{G96}->{ ' '.$_.$F }->{chars} = 96;
    $CHARSET{G96}->{ ' '.$_.$F }->{ucs} =
      {'' => 0x700926A0, '!' => 0x70096200,
      '"' => 0x70099D60, '#' => 0x7009D8C0}->{ $_ } + 96 * ($f-0x30);
  }
}
for my $f (0x30..0x5F, 0x7E) {
  my $F = pack 'C', $f;
  for ('', '!', '"', '#', ' ') {
    $CHARSET{G94n}->{ $_.$F }->{dimension} = 2;
    $CHARSET{G94n}->{ $_.$F }->{chars} = 94;
    $CHARSET{G94n}->{ $_.$F }->{ucs} =
      ({'' => 0xE9F6C0}->{ $_ }||0) + 94*94 * ($f-0x30);
      ## BUG: 94^n sets with I byte have no mapping area
    
    $CHARSET{G96n}->{ $_.$F }->{dimension} = 2;
    $CHARSET{G96n}->{ $_.$F }->{chars} = 96;
    $CHARSET{G96n}->{ $_.$F }->{ucs} =
      ({'' => 0xF4C000}->{ $_ }||0) + 96*96 * ($f-0x30);
      ## BUG: 96^n DRCSes with I byte have no mapping area
  }
}
  $CHARSET{G94n}->{"\x20\x40"}->{ucs} = 0x70460000;     ## DRCS 94^2 04/00
  
for (0x60..0x6F) {
  my $F = pack 'C', $_;
  ## BUG: 9x^3 sets have no mapping area
  for ('', '!', '"', '#', ' ') {
    $CHARSET{G94n}->{ $_.$F }->{dimension} = 3;
    $CHARSET{G94n}->{ $_.$F }->{chars} = 94;
    
    $CHARSET{G96n}->{ $_.$F }->{dimension} = 3;
    $CHARSET{G96n}->{ $_.$F }->{chars} = 96;
  }
}
for (0x70..0x7D) {
  my $F = pack 'C', $_;
  ## BUG: 9x^4 sets have no mapping area
  for ('', '!', '"', '#', ' ') {
    $CHARSET{G94n}->{ $_.$F }->{dimension} = 4;
    $CHARSET{G94n}->{ $_.$F }->{chars} = 94;
    
    $CHARSET{G96n}->{ $_.$F }->{dimension} = 4;
    $CHARSET{G96n}->{ $_.$F }->{chars} = 96;
  }
}
for my $f (0x40..0x4E) {
  my $F = pack 'C', $f;
    $CHARSET{G96n}->{ ' '.$F }->{dimension} = 2;
    $CHARSET{G96n}->{ ' '.$F }->{chars} = 96;
    $CHARSET{G96n}->{ ' '.$F }->{ucs} = 0xF0000 + 96*96*($f-0x40);
    ## U+F0000-U+10F7FF (private) -> ESC 02/04 02/00 <I> (04/00-04/14) (DRCS)
}

$CHARSET{G94}->{B}->{ucs} = 0x21;       ## ASCII
$CHARSET{G96}->{A}->{ucs} = 0xA0;       ## ISO 8859-1

$CHARSET{G94n}->{'B@'}->{dimension} = 2;        ## JIS X 0208-1990
$CHARSET{G94n}->{'B@'}->{chars} = 94;
$CHARSET{G94n}->{'B@'}->{ucs} = 0xE9F6C0 + 94*94*79;
  
  ## SJIS G3 mapping (JIS X 0213:2000 plane 2)
  $CHARSET{G94n}->{"\x50"}->{Csjis_kuE} = { # ku - 1
    0xF0 => 7,  0xF1 => 3,  0xF2 => 11, 0xF3 => 13, 0xF4 => 77,
    0xF5 => 79, 0xF6 => 81, 0xF7 => 83, 0xF8 => 85, 0xF9 => 87,
    0xFA => 89, 0xFB => 91, 0xFC => 93,
  };
  $CHARSET{G94n}->{"\x50"}->{Csjis_kuO} = { # ku - 1
    0xF0  => 0,  0xF1 => 2,  0xF2 => 4,  0xF3 => 12, 0xF4 => 14,
    0xF5  => 78, 0xF6 => 80, 0xF7 => 82, 0xF8 => 84, 0xF9 => 86,
    0xFA  => 88, 0xFB => 90, 0xFC => 92,
  };
  $CHARSET{G94n}->{"\x50"}->{Csjis_first} = { reverse (
    %{ $CHARSET{G94n}->{"\x50"}->{Csjis_kuE} },
    %{ $CHARSET{G94n}->{"\x50"}->{Csjis_kuO} },
  )};
  
  ## -- Control character sets
  $CHARSET{C0}->{'@'}->{ucs} = 0x00;    ## ISO/IEC 6429 C0
  for ("\x40", "\x43", "\x44", "\x45", "\x46", "\x49", "\x4A", "\x4B", "\x4C") {
    $CHARSET{C0}->{$_}->{C_LS0} = "\x0F";
    $CHARSET{C0}->{$_}->{C_LS1} = "\x0E";
    $CHARSET{C0}->{$_}->{r_LS0} = '\x0F';
    $CHARSET{C0}->{$_}->{r_LS1} = '\x0E';
  }
  for ("\x40", "\x44", "\x45", "\x46", "\x48", "\x4C") {
    $CHARSET{C0}->{$_}->{reset_all} = {"\x0A" => 1, "\x0B" => 1,
      "\x0C" => 1, "\x0D" => 1};
  }
  $CHARSET{C0}->{"\x43"}->{reset_all} = {"\x0A" => 1};
  $CHARSET{C0}->{"\x44"}->{C_SS2} = "\x1C";
  $CHARSET{C0}->{"\x44"}->{r_SS2} = '\x1C';
  for ("\x45", "\x49", "\x4A", "\x4B") {
    $CHARSET{C0}->{$_}->{C_SS2} = "\x19";
    $CHARSET{C0}->{$_}->{C_SS3} = "\x1D";
    $CHARSET{C0}->{$_}->{r_SS2} = '\x19';
    $CHARSET{C0}->{$_}->{r_SS3} = '\x1D';
  }
  $CHARSET{C0}->{"\x4C"}->{C_SS2} = "\x19";
  $CHARSET{C0}->{"\x4C"}->{r_SS2} = '\x19';
  
  $CHARSET{C1}->{'64291991C1'}->{dimension} = 1;        ## ISO/IEC 6429:1991 C1
  $CHARSET{C1}->{'64291991C1'}->{chars} = 32;
  $CHARSET{C1}->{'64291991C1'}->{ucs} = 0x80;
  for ("\x43", "\x45", "\x47", '64291991C1') {
    $CHARSET{C1}->{$_}->{C_SS2} = "\x8E";
    $CHARSET{C1}->{$_}->{C_SS3} = "\x8F";
    $CHARSET{C1}->{$_}->{r_SS2} = '\x8E';
    $CHARSET{C1}->{$_}->{r_SS3} = '\x8F';
    $CHARSET{C1}->{$_}->{r_SS2_ESC} = '\x1B\x4E';
    $CHARSET{C1}->{$_}->{r_SS3_ESC} = '\x1B\x4F';
  }
  for ("\x43", '64291991C1') {
    $CHARSET{C1}->{$_}->{r_CSI} = '\x9B';
    $CHARSET{C1}->{$_}->{r_CSI_ESC} = '\x1B\x5B';
    $CHARSET{C1}->{$_}->{r_DCS} = '\x90';
    $CHARSET{C1}->{$_}->{r_ST} = '\x9C';
    $CHARSET{C1}->{$_}->{r_OSC} = '\x9D';
    $CHARSET{C1}->{$_}->{r_PM} = '\x9E';
    $CHARSET{C1}->{$_}->{r_APC} = '\x9F';
    $CHARSET{C1}->{$_}->{reset_all} = {"\x85"=>1, "\x90"=>1,
      "\x9C"=>1, "\x9D"=>1, "\x9E"=>1, "\x9F"=>1};
  }
  $CHARSET{C1}->{'64291991C1'}->{r_SCI} = '\x9A';
  
  $CHARSET{single_control}->{Fs}   ={ucs => 0x70005000, chars => 32, dimension => 1};
  $CHARSET{single_control}->{'3F'} ={ucs => 0x70005020, chars => 80, dimension => 1};
  $CHARSET{single_control}->{'3F!'}={ucs => 0x70005070, chars => 80, dimension => 1};
  $CHARSET{single_control}->{'3F"'}={ucs => 0x700050C0, chars => 80, dimension => 1};
  $CHARSET{single_control}->{'3F#'}={ucs => 0x70005110, chars => 80, dimension => 1};
}

&make_initial_coding_system;
sub make_initial_coding_system {
  for (0x30..0x7E) {
    my $F = chr $_;
    $CODING_SYSTEM{$F} = {};
    $CODING_SYSTEM{"\x2F".$F} = {reset_state => 1};
  }
  $CODING_SYSTEM{Csjis} = {perl_name => 'shiftjis'};
}

sub make_charset (%) {
  my %set = @_;
  my $setid = qq($set{I}$set{F}$set{revision});
  my $settype = $set{type} || 'G94';
  delete $set{type}, $set{I}, $set{F}, $set{revision};
  $CHARSET{ $settype }->{ $setid } = \%set;
}

## Make a new ISO/IEC 2022-buffers object with default status
sub new_object {
  my %C;
  $C{bit} = 8;
  $C{coding_system} = $CODING_SYSTEM{"\x40"};   ## ISO/IEC 2022
  $C{CL} = 'C0'; $C{CR} = 'C1'; $C{ESC_Fe} = 'C1';
  $C{C0} = $CHARSET{C0}->{"\x40"};      ## ISO/IEC 6429:1991 C0
  $C{C1} = $CHARSET{C1}->{'64291991C1'};        ## ISO/IEC 6429:1991 C1
  $C{GL} = 'G0'; $C{GR} = 'G1';
  $C{G0} = $CHARSET{G94}->{"\x42"};     ## ISO/IEC 646:1991 IRV
  #$C{G1} = $CHARSET{G96}->{"\x41"};    ## ISO/IEC 8859-1 GR
  $C{G1} = $CHARSET{G94}->{"\x7E"};     ## empty set
  $C{G2} = $CHARSET{G94}->{"\x7E"};     ## empty set
  $C{G3} = $CHARSET{G94}->{"\x7E"};     ## empty set
  $C{option} = {
        C1invoke_to_right       => 0,   ## C1 invoked to: (0: ESC Fe, 1: CR)
        G94n_designate_long     => 0,   ## (1: ESC 02/04 02/08 04/00..02)
        designate_to    => {    ## Designated G buffer (-1: not be outputed)
                C0      => {
                        default => 0,
                },
                C1      => {
                        default => 1,
                },
                G94     => {
                        "\x42"  => 0,
                        default => 0,
                },
                G96     => {
                        default => 1,
                },
                G94n    => {
                        default => 0,
                },
                G96n    => {
                        default => 1,
                },
                coding_system => {
                        default => -1,
                },
        },
        Ginvoke_by_single_shift => [0,0,0,0],   ## Invoked by SS
        Ginvoke_to_left => [1,1,1,1],   ## Which invoked to? (1: L, 0: R)
        private_set     => {    ## Private set vs Final byte
                C0      => [],
                C1      => [],
                G94     => [],
                G94n    => [[],[],[],[],["\x20\x40"]],
                G96     => [],
                #G96n   => [],  ## (not implemented)
                U96n    => [],  ## mule-unicode sets
                XC1     => {
                        '64291991C1'    => undef,       ## ISO/IEC 6429:1991 C1
                },
        },
        reset => {      ## Reset status at top of line
                Gdesignation    => "\x42",      ## F of designation or 0
                Ginvoke => 1,
        },
        undef_char      => ["\x3F", {type => 'G94', charset => 'B'}],
        use_revision    => 1,   ## Output IRR
  };
  \%C;
}

sub new_object_sjis {
  my $C = new_object;
  $C->{coding_system} = $CODING_SYSTEM{Csjis};
  $C->{CR} = undef;
  $C->{GR} = 'G2';      ## 0xA1-0xDF
  $C->{G0} = $CHARSET{G94}->{J};        ## JIS X 0201:1997 Latin
  $C->{G1} = $CHARSET{G94n}->{"\x4F"};  ## JIS X 0213:2000
  $C->{G2} = $CHARSET{G94}->{I};        ## JIS X 0201:1997 Katakana
  $C->{G3} = $CHARSET{G94n}->{"\x50"};  ## JIS X 0213:2000 plane 2
  ## Special code area (0xFD-0xFF)
  $C->{Gsmap} = {"\xA0" => "\x{F8F0}", "\xFD" => "\x{F8F1}", "\xFE" => "\x{F8F2}", "\xFF" => "\x{F8F3}"};
  $C->{GsmapR} = {};    ## Reversed table
  $C->{option}->{undef_char_sjis} = "\x81\xAC";
  $C;
}

1;
__END__

=head1 AUTHORS

Nanashi-san

Wakaba <w@suika.fam.cx>

=head1 LICENSE

Copyright 2002 AUTHORS

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

=cut

# $Date: 2002/10/12 07:27:01 $
### Charset.pm ends here
1
2	=head1 NAME
3
4	Encode::Charset --- Coded Character Sets objects,
5	used by Encode::ISO2022, Encode::SJIS, and other modules.
6
7	=cut
8
9	package Encode::Charset;
10	use strict;
11	use vars qw(%CHARSET %CODING_SYSTEM $VERSION);
12	$VERSION=do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
13
14	## --- Make initial charset definitions
15	&_make_initial_charsets;
16	sub _make_initial_charsets () {
17	for my $f (0x30..0x7E) {
18	my $F = pack 'C', $f;
19	for ('', '!', '"', '#') {
20	$CHARSET{G94}->{ $_.$F }->{dimension} = 1;
21	$CHARSET{G94}->{ $_.$F }->{chars} = 94;
22	$CHARSET{G94}->{ $_.$F }->{ucs} =
23	{'' => 0xE90940, '!' => 0xE944A0, '"' => 0xE98000, '#' => 0xE9BB60}->{ $_ }
24	+ 94 * ($f-0x30);
25
26	$CHARSET{G96}->{ $_.$F }->{dimension} = 1;
27	$CHARSET{G96}->{ $_.$F }->{chars} = 96;
28	$CHARSET{G96}->{ $_.$F }->{ucs} =
29	{'' => 0xE926A0, '!' => 0xE96200, '"' => 0xE99D60, '#' => 0xE9D8C0}->{ $_ }
30	+ 96 * ($f-0x30);
31
32	$CHARSET{C0}->{ $_.$F }->{dimension} = 1;
33	$CHARSET{C0}->{ $_.$F }->{chars} = 32;
34	$CHARSET{C0}->{ $_.$F }->{ucs} =
35	{'' => 0x70000000, '!' => 0x70001400,
36	'"' => 0x70002800, '#' => 0x70003C00}->{ $_ } + 32 * ($f-0x30);
37
38	$CHARSET{C1}->{ $_.$F }->{dimension} = 1;
39	$CHARSET{C1}->{ $_.$F }->{chars} = 32;
40	$CHARSET{C1}->{ $_.$F }->{ucs} =
41	{'' => 0x70000A00, '!' => 0x70001E00,
42	'"' => 0x70003200, '#' => 0x70004600}->{ $_ } + 32 * ($f-0x30);
43
44	$CHARSET{G94}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS
45	$CHARSET{G94}->{ ' '.$_.$F }->{chars} = 94;
46	$CHARSET{G94}->{ ' '.$_.$F }->{ucs} =
47	{'' => 0x70090940, '!' => 0x700944A0,
48	'"' => 0x70098000, '#' => 0x7009BB60}->{ $_ } + 94 * ($f-0x30);
49
50	$CHARSET{G96}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS
51	$CHARSET{G96}->{ ' '.$_.$F }->{chars} = 96;
52	$CHARSET{G96}->{ ' '.$_.$F }->{ucs} =
53	{'' => 0x700926A0, '!' => 0x70096200,
54	'"' => 0x70099D60, '#' => 0x7009D8C0}->{ $_ } + 96 * ($f-0x30);
55	}
56	}
57	for my $f (0x30..0x5F, 0x7E) {
58	my $F = pack 'C', $f;
59	for ('', '!', '"', '#', ' ') {
60	$CHARSET{G94n}->{ $_.$F }->{dimension} = 2;
61	$CHARSET{G94n}->{ $_.$F }->{chars} = 94;
62	$CHARSET{G94n}->{ $_.$F }->{ucs} =
63	({'' => 0xE9F6C0}->{ $_ }\|\|0) + 9494 ($f-0x30);
64	## BUG: 94^n sets with I byte have no mapping area
65
66	$CHARSET{G96n}->{ $_.$F }->{dimension} = 2;
67	$CHARSET{G96n}->{ $_.$F }->{chars} = 96;
68	$CHARSET{G96n}->{ $_.$F }->{ucs} =
69	({'' => 0xF4C000}->{ $_ }\|\|0) + 9696 ($f-0x30);
70	## BUG: 96^n DRCSes with I byte have no mapping area
71	}
72	}
73	$CHARSET{G94n}->{"\x20\x40"}->{ucs} = 0x70460000; ## DRCS 94^2 04/00
74
75	for (0x60..0x6F) {
76	my $F = pack 'C', $_;
77	## BUG: 9x^3 sets have no mapping area
78	for ('', '!', '"', '#', ' ') {
79	$CHARSET{G94n}->{ $_.$F }->{dimension} = 3;
80	$CHARSET{G94n}->{ $_.$F }->{chars} = 94;
81
82	$CHARSET{G96n}->{ $_.$F }->{dimension} = 3;
83	$CHARSET{G96n}->{ $_.$F }->{chars} = 96;
84	}
85	}
86	for (0x70..0x7D) {
87	my $F = pack 'C', $_;
88	## BUG: 9x^4 sets have no mapping area
89	for ('', '!', '"', '#', ' ') {
90	$CHARSET{G94n}->{ $_.$F }->{dimension} = 4;
91	$CHARSET{G94n}->{ $_.$F }->{chars} = 94;
92
93	$CHARSET{G96n}->{ $_.$F }->{dimension} = 4;
94	$CHARSET{G96n}->{ $_.$F }->{chars} = 96;
95	}
96	}
97	for my $f (0x40..0x4E) {
98	my $F = pack 'C', $f;
99	$CHARSET{G96n}->{ ' '.$F }->{dimension} = 2;
100	$CHARSET{G96n}->{ ' '.$F }->{chars} = 96;
101	$CHARSET{G96n}->{ ' '.$F }->{ucs} = 0xF0000 + 9696($f-0x40);
102	## U+F0000-U+10F7FF (private) -> ESC 02/04 02/00 <I> (04/00-04/14) (DRCS)
103	}
104
105	$CHARSET{G94}->{B}->{ucs} = 0x21; ## ASCII
106	$CHARSET{G96}->{A}->{ucs} = 0xA0; ## ISO 8859-1
107
108	$CHARSET{G94n}->{'B@'}->{dimension} = 2; ## JIS X 0208-1990
109	$CHARSET{G94n}->{'B@'}->{chars} = 94;
110	$CHARSET{G94n}->{'B@'}->{ucs} = 0xE9F6C0 + 949479;
111
112	## SJIS G3 mapping (JIS X 0213:2000 plane 2)
113	$CHARSET{G94n}->{"\x50"}->{Csjis_kuE} = { # ku - 1
114	0xF0 => 7, 0xF1 => 3, 0xF2 => 11, 0xF3 => 13, 0xF4 => 77,
115	0xF5 => 79, 0xF6 => 81, 0xF7 => 83, 0xF8 => 85, 0xF9 => 87,
116	0xFA => 89, 0xFB => 91, 0xFC => 93,
117	};
118	$CHARSET{G94n}->{"\x50"}->{Csjis_kuO} = { # ku - 1
119	0xF0 => 0, 0xF1 => 2, 0xF2 => 4, 0xF3 => 12, 0xF4 => 14,
120	0xF5 => 78, 0xF6 => 80, 0xF7 => 82, 0xF8 => 84, 0xF9 => 86,
121	0xFA => 88, 0xFB => 90, 0xFC => 92,
122	};
123	$CHARSET{G94n}->{"\x50"}->{Csjis_first} = { reverse (
124	%{ $CHARSET{G94n}->{"\x50"}->{Csjis_kuE} },
125	%{ $CHARSET{G94n}->{"\x50"}->{Csjis_kuO} },
126	)};
127
128	## -- Control character sets
129	$CHARSET{C0}->{'@'}->{ucs} = 0x00; ## ISO/IEC 6429 C0
130	for ("\x40", "\x43", "\x44", "\x45", "\x46", "\x49", "\x4A", "\x4B", "\x4C") {
131	$CHARSET{C0}->{$_}->{C_LS0} = "\x0F";
132	$CHARSET{C0}->{$_}->{C_LS1} = "\x0E";
133	$CHARSET{C0}->{$_}->{r_LS0} = '\x0F';
134	$CHARSET{C0}->{$_}->{r_LS1} = '\x0E';
135	}
136	for ("\x40", "\x44", "\x45", "\x46", "\x48", "\x4C") {
137	$CHARSET{C0}->{$_}->{reset_all} = {"\x0A" => 1, "\x0B" => 1,
138	"\x0C" => 1, "\x0D" => 1};
139	}
140	$CHARSET{C0}->{"\x43"}->{reset_all} = {"\x0A" => 1};
141	$CHARSET{C0}->{"\x44"}->{C_SS2} = "\x1C";
142	$CHARSET{C0}->{"\x44"}->{r_SS2} = '\x1C';
143	for ("\x45", "\x49", "\x4A", "\x4B") {
144	$CHARSET{C0}->{$_}->{C_SS2} = "\x19";
145	$CHARSET{C0}->{$_}->{C_SS3} = "\x1D";
146	$CHARSET{C0}->{$_}->{r_SS2} = '\x19';
147	$CHARSET{C0}->{$_}->{r_SS3} = '\x1D';
148	}
149	$CHARSET{C0}->{"\x4C"}->{C_SS2} = "\x19";
150	$CHARSET{C0}->{"\x4C"}->{r_SS2} = '\x19';
151
152	$CHARSET{C1}->{'64291991C1'}->{dimension} = 1; ## ISO/IEC 6429:1991 C1
153	$CHARSET{C1}->{'64291991C1'}->{chars} = 32;
154	$CHARSET{C1}->{'64291991C1'}->{ucs} = 0x80;
155	for ("\x43", "\x45", "\x47", '64291991C1') {
156	$CHARSET{C1}->{$_}->{C_SS2} = "\x8E";
157	$CHARSET{C1}->{$_}->{C_SS3} = "\x8F";
158	$CHARSET{C1}->{$_}->{r_SS2} = '\x8E';
159	$CHARSET{C1}->{$_}->{r_SS3} = '\x8F';
160	$CHARSET{C1}->{$_}->{r_SS2_ESC} = '\x1B\x4E';
161	$CHARSET{C1}->{$_}->{r_SS3_ESC} = '\x1B\x4F';
162	}
163	for ("\x43", '64291991C1') {
164	$CHARSET{C1}->{$_}->{r_CSI} = '\x9B';
165	$CHARSET{C1}->{$_}->{r_CSI_ESC} = '\x1B\x5B';
166	$CHARSET{C1}->{$_}->{r_DCS} = '\x90';
167	$CHARSET{C1}->{$_}->{r_ST} = '\x9C';
168	$CHARSET{C1}->{$_}->{r_OSC} = '\x9D';
169	$CHARSET{C1}->{$_}->{r_PM} = '\x9E';
170	$CHARSET{C1}->{$_}->{r_APC} = '\x9F';
171	$CHARSET{C1}->{$_}->{reset_all} = {"\x85"=>1, "\x90"=>1,
172	"\x9C"=>1, "\x9D"=>1, "\x9E"=>1, "\x9F"=>1};
173	}
174	$CHARSET{C1}->{'64291991C1'}->{r_SCI} = '\x9A';
175
176	$CHARSET{single_control}->{Fs} ={ucs => 0x70005000, chars => 32, dimension => 1};
177	$CHARSET{single_control}->{'3F'} ={ucs => 0x70005020, chars => 80, dimension => 1};
178	$CHARSET{single_control}->{'3F!'}={ucs => 0x70005070, chars => 80, dimension => 1};
179	$CHARSET{single_control}->{'3F"'}={ucs => 0x700050C0, chars => 80, dimension => 1};
180	$CHARSET{single_control}->{'3F#'}={ucs => 0x70005110, chars => 80, dimension => 1};
181	}
182
183	&make_initial_coding_system;
184	sub make_initial_coding_system {
185	for (0x30..0x7E) {
186	my $F = chr $_;
187	$CODING_SYSTEM{$F} = {};
188	$CODING_SYSTEM{"\x2F".$F} = {reset_state => 1};
189	}
190	$CODING_SYSTEM{Csjis} = {perl_name => 'shiftjis'};
191	}
192
193	sub make_charset (%) {
194	my %set = @_;
195	my $setid = qq($set{I}$set{F}$set{revision});
196	my $settype = $set{type} \|\| 'G94';
197	delete $set{type}, $set{I}, $set{F}, $set{revision};
198	$CHARSET{ $settype }->{ $setid } = \%set;
199	}
200
201	## Make a new ISO/IEC 2022-buffers object with default status
202	sub new_object {
203	my %C;
204	$C{bit} = 8;
205	$C{coding_system} = $CODING_SYSTEM{"\x40"}; ## ISO/IEC 2022
206	$C{CL} = 'C0'; $C{CR} = 'C1'; $C{ESC_Fe} = 'C1';
207	$C{C0} = $CHARSET{C0}->{"\x40"}; ## ISO/IEC 6429:1991 C0
208	$C{C1} = $CHARSET{C1}->{'64291991C1'}; ## ISO/IEC 6429:1991 C1
209	$C{GL} = 'G0'; $C{GR} = 'G1';
210	$C{G0} = $CHARSET{G94}->{"\x42"}; ## ISO/IEC 646:1991 IRV
211	#$C{G1} = $CHARSET{G96}->{"\x41"}; ## ISO/IEC 8859-1 GR
212	$C{G1} = $CHARSET{G94}->{"\x7E"}; ## empty set
213	$C{G2} = $CHARSET{G94}->{"\x7E"}; ## empty set
214	$C{G3} = $CHARSET{G94}->{"\x7E"}; ## empty set
215	$C{option} = {
216	C1invoke_to_right => 0, ## C1 invoked to: (0: ESC Fe, 1: CR)
217	G94n_designate_long => 0, ## (1: ESC 02/04 02/08 04/00..02)
218	designate_to => { ## Designated G buffer (-1: not be outputed)
219	C0 => {
220	default => 0,
221	},
222	C1 => {
223	default => 1,
224	},
225	G94 => {
226	"\x42" => 0,
227	default => 0,
228	},
229	G96 => {
230	default => 1,
231	},
232	G94n => {
233	default => 0,
234	},
235	G96n => {
236	default => 1,
237	},
238	coding_system => {
239	default => -1,
240	},
241	},
242	Ginvoke_by_single_shift => [0,0,0,0], ## Invoked by SS
243	Ginvoke_to_left => [1,1,1,1], ## Which invoked to? (1: L, 0: R)
244	private_set => { ## Private set vs Final byte
245	C0 => [],
246	C1 => [],
247	G94 => [],
248	G94n => [[],[],[],[],["\x20\x40"]],
249	G96 => [],
250	#G96n => [], ## (not implemented)
251	U96n => [], ## mule-unicode sets
252	XC1 => {
253	'64291991C1' => undef, ## ISO/IEC 6429:1991 C1
254	},
255	},
256	reset => { ## Reset status at top of line
257	Gdesignation => "\x42", ## F of designation or 0
258	Ginvoke => 1,
259	},
260	undef_char => ["\x3F", {type => 'G94', charset => 'B'}],
261	use_revision => 1, ## Output IRR
262	};
263	\%C;
264	}
265
266	sub new_object_sjis {
267	my $C = new_object;
268	$C->{coding_system} = $CODING_SYSTEM{Csjis};
269	$C->{CR} = undef;
270	$C->{GR} = 'G2'; ## 0xA1-0xDF
271	$C->{G0} = $CHARSET{G94}->{J}; ## JIS X 0201:1997 Latin
272	$C->{G1} = $CHARSET{G94n}->{"\x4F"}; ## JIS X 0213:2000
273	$C->{G2} = $CHARSET{G94}->{I}; ## JIS X 0201:1997 Katakana
274	$C->{G3} = $CHARSET{G94n}->{"\x50"}; ## JIS X 0213:2000 plane 2
275	## Special code area (0xFD-0xFF)
276	$C->{Gsmap} = {"\xA0" => "\x{F8F0}", "\xFD" => "\x{F8F1}", "\xFE" => "\x{F8F2}", "\xFF" => "\x{F8F3}"};
277	$C->{GsmapR} = {}; ## Reversed table
278	$C->{option}->{undef_char_sjis} = "\x81\xAC";
279	$C;
280	}
281
282	1;
283	__END__
284
285	=head1 AUTHORS
286
287	Nanashi-san
288
289	Wakaba <w@suika.fam.cx>
290
291	=head1 LICENSE
292
293	Copyright 2002 AUTHORS
294
295	This library is free software; you can redistribute it
296	and/or modify it under the same terms as Perl itself.
297
298	=cut
299
300	# $Date: 2002/10/12 07:27:01 $
301	### Charset.pm ends here