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	wakaba	1.1
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	wakaba	1.4	$VERSION=do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
13	wakaba	1.1
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	wakaba	1.4	## BUG: 96^n DRCSes with I byte have no mapping area
71	wakaba	1.1	}
72			}
73	wakaba	1.4	$CHARSET{G94n}->{"\x20\x40"}->{ucs} = 0x70460000; ## DRCS 94^2 04/00
74
75	wakaba	1.1	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	wakaba	1.3
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	wakaba	1.1	## -- 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	wakaba	1.2	$CODING_SYSTEM{Csjis} = {perl_name => 'shiftjis'};
191	wakaba	1.1	}
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	wakaba	1.2	## Make a new ISO/IEC 2022-buffers object with default status
202			sub new_object {
203			my %C;
204			$C{bit} = 8;
205	wakaba	1.3	$C{coding_system} = $CODING_SYSTEM{"\x40"}; ## ISO/IEC 2022
206	wakaba	1.2	$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	wakaba	1.4	G94n => [[],[],[],[],["\x20\x40"]],
249	wakaba	1.2	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	wakaba	1.3	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	wakaba	1.4	$C->{G0} = $CHARSET{G94}->{J}; ## JIS X 0201:1997 Latin
272			$C->{G1} = $CHARSET{G94n}->{"\x4F"}; ## JIS X 0213:2000
273	wakaba	1.3	$C->{G2} = $CHARSET{G94}->{I}; ## JIS X 0201:1997 Katakana
274			$C->{G3} = $CHARSET{G94n}->{"\x50"}; ## JIS X 0213:2000 plane 2
275	wakaba	1.4	## 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	wakaba	1.3	$C;
280			}
281
282	wakaba	1.1	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	wakaba	1.4	# $Date: 2002/10/12 07:27:01 $
301	wakaba	1.1	### Charset.pm ends here