| package Encode::KR::2022_KR; |
| use strict; |
| use warnings; |
| our $VERSION = do { my @r = ( q$Revision: 2.2 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r }; |
| |
| use Encode qw(:fallbacks); |
| |
| use base 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 |