JezK
Edit File: 2022_KR.pm
package Encode::KR::2022_KR; use strict; use warnings; our $VERSION = do { my @r = ( q$Revision: 2.4 $ =~ /\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 ) = @_; return undef unless defined $str; 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 ) = @_; return undef unless defined $utf8; # 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