/usr/lib/x86_64-linux-gnu/perl5/5.20/Encode/KR/2022_KR.pm is in libencode-perl 2.63-1+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | package Encode::KR::2022_KR;
use strict;
use warnings;
our $VERSION = do { my @r = ( q$Revision: 2.3 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r };
use Encode qw(:fallbacks);
use parent qw(Encode::Encoding);
__PACKAGE__->Define('iso-2022-kr');
sub needs_lines { 1 }
sub perlio_ok {
return 0; # for the time being
}
sub decode {
my ( $obj, $str, $chk ) = @_;
my $res = $str;
my $residue = iso_euc( \$res );
# This is for PerlIO
$_[1] = $residue if $chk;
return Encode::decode( 'euc-kr', $res, FB_PERLQQ );
}
sub encode {
my ( $obj, $utf8, $chk ) = @_;
# empty the input string in the stack so perlio is ok
$_[1] = '' if $chk;
my $octet = Encode::encode( 'euc-kr', $utf8, FB_PERLQQ );
euc_iso( \$octet );
return $octet;
}
use Encode::CJKConstants qw(:all);
# ISO<->EUC
sub iso_euc {
my $r_str = shift;
$$r_str =~ s/$RE{'2022_KR'}//gox; # remove the designator
$$r_str =~ s{ # replace characters in GL
\x0e # between SO(\x0e) and SI(\x0f)
([^\x0f]*) # with characters in GR
\x0f
}
{
my $out= $1;
$out =~ tr/\x21-\x7e/\xa1-\xfe/;
$out;
}geox;
my ($residue) = ( $$r_str =~ s/(\e.*)$//so );
return $residue;
}
sub euc_iso {
no warnings qw(uninitialized);
my $r_str = shift;
substr( $$r_str, 0, 0 ) =
$ESC{'2022_KR'}; # put the designator at the beg.
$$r_str =~
s{ # move KS X 1001 characters in GR to GL
($RE{EUC_C}+) # and enclose them with SO and SI
}{
my $str = $1;
$str =~ tr/\xA1-\xFE/\x21-\x7E/;
"\x0e" . $str . "\x0f";
}geox;
$$r_str;
}
1;
__END__
=head1 NAME
Encode::KR::2022_KR -- internally used by Encode::KR
=cut
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