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: 1.4 $=~/\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: 94^n DRCSes with I byte have no mapping area
  }
}
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;

  ## -- 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};
  }
}

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;
}

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: 2002/09/16 06:35:16 $
### 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: 1.4 $=~/\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: 94^n DRCSes with I byte have no mapping area
71	}
72	}
73	for (0x60..0x6F) {
74	my $F = pack 'C', $_;
75	## BUG: 9x^3 sets have no mapping area
76	for ('', '!', '"', '#', ' ') {
77	$CHARSET{G94n}->{ $_.$F }->{dimension} = 3;
78	$CHARSET{G94n}->{ $_.$F }->{chars} = 94;
79
80	$CHARSET{G96n}->{ $_.$F }->{dimension} = 3;
81	$CHARSET{G96n}->{ $_.$F }->{chars} = 96;
82	}
83	}
84	for (0x70..0x7D) {
85	my $F = pack 'C', $_;
86	## BUG: 9x^4 sets have no mapping area
87	for ('', '!', '"', '#', ' ') {
88	$CHARSET{G94n}->{ $_.$F }->{dimension} = 4;
89	$CHARSET{G94n}->{ $_.$F }->{chars} = 94;
90
91	$CHARSET{G96n}->{ $_.$F }->{dimension} = 4;
92	$CHARSET{G96n}->{ $_.$F }->{chars} = 96;
93	}
94	}
95	for my $f (0x40..0x4E) {
96	my $F = pack 'C', $f;
97	$CHARSET{G96n}->{ ' '.$F }->{dimension} = 2;
98	$CHARSET{G96n}->{ ' '.$F }->{chars} = 96;
99	$CHARSET{G96n}->{ ' '.$F }->{ucs} = 0xF0000 + 9696($f-0x40);
100	## U+F0000-U+10F7FF (private) -> ESC 02/04 02/00 <I> (04/00-04/14) (DRCS)
101	}
102
103	$CHARSET{G94}->{B}->{ucs} = 0x21; ## ASCII
104	$CHARSET{G96}->{A}->{ucs} = 0xA0; ## ISO 8859-1
105
106	$CHARSET{G94n}->{'B@'}->{dimension} = 2; ## JIS X 0208-1990
107	$CHARSET{G94n}->{'B@'}->{chars} = 94;
108	$CHARSET{G94n}->{'B@'}->{ucs} = 0xE9F6C0 + 949479;
109
110	## -- Control character sets
111	$CHARSET{C0}->{'@'}->{ucs} = 0x00; ## ISO/IEC 6429 C0
112	for ("\x40", "\x43", "\x44", "\x45", "\x46", "\x49", "\x4A", "\x4B", "\x4C") {
113	$CHARSET{C0}->{$_}->{C_LS0} = "\x0F";
114	$CHARSET{C0}->{$_}->{C_LS1} = "\x0E";
115	$CHARSET{C0}->{$_}->{r_LS0} = '\x0F';
116	$CHARSET{C0}->{$_}->{r_LS1} = '\x0E';
117	}
118	for ("\x40", "\x44", "\x45", "\x46", "\x48", "\x4C") {
119	$CHARSET{C0}->{$_}->{reset_all} = {"\x0A" => 1, "\x0B" => 1,
120	"\x0C" => 1, "\x0D" => 1};
121	}
122	$CHARSET{C0}->{"\x43"}->{reset_all} = {"\x0A" => 1};
123	$CHARSET{C0}->{"\x44"}->{C_SS2} = "\x1C";
124	$CHARSET{C0}->{"\x44"}->{r_SS2} = '\x1C';
125	for ("\x45", "\x49", "\x4A", "\x4B") {
126	$CHARSET{C0}->{$_}->{C_SS2} = "\x19";
127	$CHARSET{C0}->{$_}->{C_SS3} = "\x1D";
128	$CHARSET{C0}->{$_}->{r_SS2} = '\x19';
129	$CHARSET{C0}->{$_}->{r_SS3} = '\x1D';
130	}
131	$CHARSET{C0}->{"\x4C"}->{C_SS2} = "\x19";
132	$CHARSET{C0}->{"\x4C"}->{r_SS2} = '\x19';
133
134	$CHARSET{C1}->{'64291991C1'}->{dimension} = 1; ## ISO/IEC 6429:1991 C1
135	$CHARSET{C1}->{'64291991C1'}->{chars} = 32;
136	$CHARSET{C1}->{'64291991C1'}->{ucs} = 0x80;
137	for ("\x43", "\x45", "\x47", '64291991C1') {
138	$CHARSET{C1}->{$_}->{C_SS2} = "\x8E";
139	$CHARSET{C1}->{$_}->{C_SS3} = "\x8F";
140	$CHARSET{C1}->{$_}->{r_SS2} = '\x8E';
141	$CHARSET{C1}->{$_}->{r_SS3} = '\x8F';
142	$CHARSET{C1}->{$_}->{r_SS2_ESC} = '\x1B\x4E';
143	$CHARSET{C1}->{$_}->{r_SS3_ESC} = '\x1B\x4F';
144	}
145	for ("\x43", '64291991C1') {
146	$CHARSET{C1}->{$_}->{r_CSI} = '\x9B';
147	$CHARSET{C1}->{$_}->{r_CSI_ESC} = '\x1B\x5B';
148	$CHARSET{C1}->{$_}->{r_DCS} = '\x90';
149	$CHARSET{C1}->{$_}->{r_ST} = '\x9C';
150	$CHARSET{C1}->{$_}->{r_OSC} = '\x9D';
151	$CHARSET{C1}->{$_}->{r_PM} = '\x9E';
152	$CHARSET{C1}->{$_}->{r_APC} = '\x9F';
153	$CHARSET{C1}->{$_}->{reset_all} = {"\x85"=>1, "\x90"=>1,
154	"\x9C"=>1, "\x9D"=>1, "\x9E"=>1, "\x9F"=>1};
155	}
156	$CHARSET{C1}->{'64291991C1'}->{r_SCI} = '\x9A';
157
158	$CHARSET{single_control}->{Fs} ={ucs => 0x70005000, chars => 32, dimension => 1};
159	$CHARSET{single_control}->{'3F'} ={ucs => 0x70005020, chars => 80, dimension => 1};
160	$CHARSET{single_control}->{'3F!'}={ucs => 0x70005070, chars => 80, dimension => 1};
161	$CHARSET{single_control}->{'3F"'}={ucs => 0x700050C0, chars => 80, dimension => 1};
162	$CHARSET{single_control}->{'3F#'}={ucs => 0x70005110, chars => 80, dimension => 1};
163	}
164
165	&make_initial_coding_system;
166	sub make_initial_coding_system {
167	for (0x30..0x7E) {
168	my $F = chr $_;
169	$CODING_SYSTEM{$F} = {};
170	$CODING_SYSTEM{"\x2F".$F} = {reset_state => 1};
171	}
172	}
173
174	sub make_charset (%) {
175	my %set = @_;
176	my $setid = qq($set{I}$set{F}$set{revision});
177	my $settype = $set{type} \|\| 'G94';
178	delete $set{type}, $set{I}, $set{F}, $set{revision};
179	$CHARSET{ $settype }->{ $setid } = \%set;
180	}
181
182	1;
183	__END__
184
185	=head1 AUTHORS
186
187	Nanashi-san
188
189	Wakaba <w@suika.fam.cx>
190
191	=head1 LICENSE
192
193	Copyright 2002 AUTHORS
194
195	This library is free software; you can redistribute it
196	and/or modify it under the same terms as Perl itself.
197
198	=cut
199
200	# $Date: 2002/09/16 06:35:16 $
201	### Charset.pm ends here