/[suikacvs]/perl/lib/Encode/Charset.pm
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revision 1.5 by wakaba, Wed Oct 16 10:39:35 2002 UTC revision 1.7 by wakaba, Wed Dec 18 10:21:09 2002 UTC
# Line 240  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    => {          final_to_set    => {
248                  C0 => {}, C1 => {}, G94 => {}, G94n => {},                  C0 => {}, C1 => {}, G94 => {}, G94n => {},
249                  G96 => {}, G96n => {}, coding_system => {},                  G96 => {}, G96n => {}, coding_system => {},
# Line 284  sub new_object_sjis { Line 288  sub new_object_sjis {
288    $C;    $C;
289  }  }
290    
291  1;  our %FallbackFromUCS = (
292  __END__          perl    => sub { my $c = $_[2]; sprintf '\x{%04X}', ord $c },
293            sgml    => sub { my $c = $_[2]; sprintf '&#%d;', ord $c },
294            'sgml-hex'      => sub { my $c = $_[2]; sprintf '&#x%04X;', ord $c },
295            'x-u-escaped'   => sub { my $c = $_[2]; my $C = ord $c; sprintf $C > 0xFFFF ? '\U%08X' : '\u%04X', $C },
296    );
297    
298    sub fallback_escape ($$$;%) {
299      my (undef, $C, $c, %option) = @_;
300      my $f = $option{fallback_from_ucs} ?
301                (ref ($option{fallback_from_ucs}) eq 'CODE' ? $option{fallback_from_ucs} :
302                 $FallbackFromUCS{$option{fallback_from_ucs}}):
303                (ref ($C->{option}->{fallback_from_ucs}) eq 'CODE' ? $C->{option}->{fallback_from_ucs} :
304                 $FallbackFromUCS{$C->{option}->{fallback_from_ucs}});
305      if (ref $f) {
306        return undef if $option{_recursive} <= -10;  $option{_recursive}--; ## To avoid loop
307        my $self = bless {}, __PACKAGE__;
308        Encode::_utf8_on ($c);
309        return &$f ($self, $C, $c, \%option);
310      }
311      undef;
312    }
313    
314  =head1 AUTHORS  =head1 AUTHORS
315    
316  Nanashi-san  Nanashi-san <nanashi-san@nanashi.invalid>
317    
318  Wakaba <w@suika.fam.cx>  Wakaba <w@suika.fam.cx>
319    
320  =head1 LICENSE  =head1 LICENSE
321    
322  Copyright 2002 AUTHORS  Copyright 2002 AUTHORS, all rights reserved.
323    
324  This library is free software; you can redistribute it  This library is free software; you can redistribute it
325  and/or modify it under the same terms as Perl itself.  and/or modify it under the same terms as Perl itself.
326    
327  =cut  =cut
328    
329  # $Date$  1; # $Date$
 ### Charset.pm ends here  
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