/[suikacvs]/perl/lib/Encode/Charset.pm
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revision 1.3 by wakaba, Sat Oct 12 07:27:01 2002 UTC revision 1.6 by wakaba, Sat Dec 14 11:02:25 2002 UTC
# Line 67  for my $f (0x30..0x5F, 0x7E) { Line 67  for my $f (0x30..0x5F, 0x7E) {
67      $CHARSET{G96n}->{ $_.$F }->{chars} = 96;      $CHARSET{G96n}->{ $_.$F }->{chars} = 96;
68      $CHARSET{G96n}->{ $_.$F }->{ucs} =      $CHARSET{G96n}->{ $_.$F }->{ucs} =
69        ({'' => 0xF4C000}->{ $_ }||0) + 96*96 * ($f-0x30);        ({'' => 0xF4C000}->{ $_ }||0) + 96*96 * ($f-0x30);
70        ## BUG: 94^n DRCSes with I byte have no mapping area        ## 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      $CHARSET{G94n}->{P4_0} = $CHARSET{G94n}->{"\x20\x40"};
75      
76  for (0x60..0x6F) {  for (0x60..0x6F) {
77    my $F = pack 'C', $_;    my $F = pack 'C', $_;
78    ## BUG: 9x^3 sets have no mapping area    ## BUG: 9x^3 sets have no mapping area
# Line 213  sub new_object { Line 216  sub new_object {
216    $C{option} = {    $C{option} = {
217          C1invoke_to_right       => 0,   ## C1 invoked to: (0: ESC Fe, 1: CR)          C1invoke_to_right       => 0,   ## C1 invoked to: (0: ESC Fe, 1: CR)
218          G94n_designate_long     => 0,   ## (1: ESC 02/04 02/08 04/00..02)          G94n_designate_long     => 0,   ## (1: ESC 02/04 02/08 04/00..02)
219          designate_to    => {    ## Designated G buffer (-1: not be outputed)          designate_to    => {    ## Designated G buffer (-1: not to be outputed)
220                  C0      => {                  C0      => {
221                          default => 0,                          default => 0,
222                  },                  },
# Line 237  sub new_object { Line 240  sub new_object {
240                          default => -1,                          default => -1,
241                  },                  },
242          },          },
243            fallback_from_ucs       => 'replacement',
244                    ## 'replacement' / 'perl' / 'sgml' / 'sgml-hex' / 'x-u-escaped' / 'code'
245                    ## / 'quiet' / 'quiet+back' / 'quiet+warn' / 'quiet+back+warn' / 'croak'
246                    ## / code
247            final_to_set    => {
248                    C0 => {}, C1 => {}, G94 => {}, G94n => {},
249                    G96 => {}, G96n => {}, coding_system => {},
250            },
251          Ginvoke_by_single_shift => [0,0,0,0],   ## Invoked by SS          Ginvoke_by_single_shift => [0,0,0,0],   ## Invoked by SS
252          Ginvoke_to_left => [1,1,1,1],   ## Which invoked to? (1: L, 0: R)          Ginvoke_to_left => [1,1,1,1],   ## Which invoked to? (1: L, 0: R)
253          private_set     => {    ## Private set vs Final byte          private_set     => {    ## Private set vs Final byte
254                  C0      => [],                  C0      => [],
255                  C1      => [],                  C1      => [],
256                  G94     => [],                  G94     => [],
257                  G94n    => [[],[],[],[],[]],                  G94n    => [[],[],[],[],["\x20\x40"]],
258                  G96     => [],                  G96     => [],
259                  #G96n   => [],  ## (not implemented)                  #G96n   => [],  ## (not implemented)
260                  U96n    => [],  ## mule-unicode sets                  U96n    => [],  ## mule-unicode sets
# Line 258  sub new_object { Line 269  sub new_object {
269          undef_char      => ["\x3F", {type => 'G94', charset => 'B'}],          undef_char      => ["\x3F", {type => 'G94', charset => 'B'}],
270          use_revision    => 1,   ## Output IRR          use_revision    => 1,   ## Output IRR
271    };    };
   ## Special code area (such as 0xFD-0xFF of sjis'es)  
   $C{Gsmap} = {"\xA0" => "\x{F8F0}", "\xFD" => "\x{F8F1}", "\xFE" => "\x{F8F2}", "\xFF" => "\x{F8F3}"};  
   $C{GsmapR} = {};      ## Reversed table  
272    \%C;    \%C;
273  }  }
274    
275  sub new_object_sjis {  sub new_object_sjis {
276    my $C = new_object;    my $C = &new_object;
277    $C->{coding_system} = $CODING_SYSTEM{Csjis};    $C->{coding_system} = $CODING_SYSTEM{Csjis};
278    $C->{CR} = undef;    $C->{CR} = undef;
279    $C->{GR} = 'G2';      ## 0xA1-0xDF    $C->{GR} = 'G2';      ## 0xA1-0xDF
280    #$C->{G0} = $CHARSET{G94}->{J};       ## JIS X 0201:1997 Latin    $C->{G0} = $CHARSET{G94}->{J};        ## JIS X 0201:1997 Latin
281    $C->{G1} = $CHARSET{G94n}->{'B@'};    ## JIS X 0208:1997    $C->{G1} = $CHARSET{G94n}->{"\x4F"};  ## JIS X 0213:2000
282    $C->{G2} = $CHARSET{G94}->{I};        ## JIS X 0201:1997 Katakana    $C->{G2} = $CHARSET{G94}->{I};        ## JIS X 0201:1997 Katakana
283    $C->{G3} = $CHARSET{G94n}->{"\x50"};  ## JIS X 0213:2000 plane 2    $C->{G3} = $CHARSET{G94n}->{"\x50"};  ## JIS X 0213:2000 plane 2
284      ## Special code area (0xFD-0xFF)
285      $C->{Gsmap} = {"\xA0" => "\x{F8F0}", "\xFD" => "\x{F8F1}", "\xFE" => "\x{F8F2}", "\xFF" => "\x{F8F3}"};
286      $C->{GsmapR} = {};    ## Reversed table
287      $C->{option}->{undef_char_sjis} = "\x81\xAC";
288    $C;    $C;
289  }  }
290    
291  1;  our %FallbackFromUCS = (
292  __END__          perl    => sub { my $c = $_[1]; sprintf '\x{%04X}', ord $c },
293            sgml    => sub { my $c = $_[1]; sprintf '&#%d;', ord $c },
294            'sgml-hex'      => sub { my $c = $_[1]; sprintf '&#x%04X;', ord $c },
295            'x-u-escaped'   => sub { my $c = $_[1]; my $C = ord $c; sprintf $C > 0xFFFF ? '\U%08X' : '\u%04X', $C },
296    );
297    
298    sub fallback_escape ($$;%) {
299      my ($C, $c, %option) = @_;
300      my $f = ref ($C->{option}->{fallback_from_ucs}) eq 'CODE' ? $C->{option}->{fallback_from_ucs} :
301              $FallbackFromUCS{$C->{option}->{fallback_from_ucs}};
302      if (ref $f) {
303        Encode::_utf8_on ($c);
304        return &$f ($C, $c, %option);
305      }
306      undef;
307    }
308    
309  =head1 AUTHORS  =head1 AUTHORS
310    
311  Nanashi-san  Nanashi-san <nanashi-san@nanashi.invalid>
312    
313  Wakaba <w@suika.fam.cx>  Wakaba <w@suika.fam.cx>
314    
315  =head1 LICENSE  =head1 LICENSE
316    
317  Copyright 2002 AUTHORS  Copyright 2002 AUTHORS, all rights reserved.
318    
319  This library is free software; you can redistribute it  This library is free software; you can redistribute it
320  and/or modify it under the same terms as Perl itself.  and/or modify it under the same terms as Perl itself.
321    
322  =cut  =cut
323    
324  # $Date$  1; # $Date$
 ### Charset.pm ends here  
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