home *** CD-ROM | disk | FTP | other *** search
- package Encode::KR::2022_KR;
- use strict;
-
- our $VERSION = do { my @r = (q$Revision: 1.6 $ =~ /\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
-