lib/Encode/Table.pm


=head1 NAME

Encode::Table --- Inter-coding-space table convertion

=cut

package Encode::Table;
use strict;
use vars qw(%TABLE $VERSION);
$VERSION = do {my @r =(q$Revision: 1.2 $ =~ /\d+/g);sprintf "%d."."%02d" x $#r, @r};

## Builtin tables
for (0x00..0x7F) {
  my $c = chr $_;
  $TABLE{ascii_to_ucs}->{$c} = $c;
  $TABLE{ucs_to_ascii}->{$c} = $c;
}

my %_Cache;
sub convert ($@) {
  my @s = split //, shift;
  my $tbl = shift;
  my $tbls = join ' ', @$tbl;
  for my $c (@s) {
    unless (defined $_Cache{$tbls}->{$c}) {
      for (@$tbl) {
        if (defined $TABLE{$_}->{$c}) {
          $_Cache{$tbls}->{$c} = $TABLE{$_}->{$c}; last;
        }
      }
      $_Cache{$tbls}->{$c} = $c unless defined $_Cache{$tbls}->{$c};    ## Not found
    }
    $c = $_Cache{$tbls}->{$c};
  }
  join '', @s;
}

1;
__END__

=head1 AUTHORS

Nanashi-san

=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: 2002/09/22 11:09:38 $
### $Source: $ ends here
1
2	=head1 NAME
3
4	Encode::Table --- Inter-coding-space table convertion
5
6	=cut
7
8	package Encode::Table;
9	use strict;
10	use vars qw(%TABLE $VERSION);
11	$VERSION = do {my @r =(q$Revision: 1.2 $ =~ /\d+/g);sprintf "%d."."%02d" x $#r, @r};
12
13	## Builtin tables
14	for (0x00..0x7F) {
15	my $c = chr $_;
16	$TABLE{ascii_to_ucs}->{$c} = $c;
17	$TABLE{ucs_to_ascii}->{$c} = $c;
18	}
19
20	my %_Cache;
21	sub convert ($@) {
22	my @s = split //, shift;
23	my $tbl = shift;
24	my $tbls = join ' ', @$tbl;
25	for my $c (@s) {
26	unless (defined $_Cache{$tbls}->{$c}) {
27	for (@$tbl) {
28	if (defined $TABLE{$_}->{$c}) {
29	$_Cache{$tbls}->{$c} = $TABLE{$_}->{$c}; last;
30	}
31	}
32	$_Cache{$tbls}->{$c} = $c unless defined $_Cache{$tbls}->{$c}; ## Not found
33	}
34	$c = $_Cache{$tbls}->{$c};
35	}
36	join '', @s;
37	}
38
39	1;
40	__END__
41
42	=head1 AUTHORS
43
44	Nanashi-san
45
46	=head1 LICENSE
47
48	Copyright 2002 AUTHORS
49
50	This library is free software; you can redistribute it
51	and/or modify it under the same terms as Perl itself.
52
53	=cut
54
55	# $Date: 2002/09/22 11:09:38 $
56	### $Source: $ ends here