package Encode::KR::2022_KR;
-use Encode::KR;
-use base 'Encode::Encoding';
-
use strict;
-our $VERSION = do { my @r = (q$Revision: 0.99 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
+our $VERSION = do { my @r = (q$Revision: 2.0 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
+
+use Encode qw(:fallbacks);
-# Just for the time being, we implement jis-7bit
-# encoding via EUC
+use base qw(Encode::Encoding);
+__PACKAGE__->Define('iso-2022-kr');
-my $canon = 'iso-2022-kr';
-my $obj = bless {name => $canon}, __PACKAGE__;
-$obj->Define($canon);
+sub needs_lines { 1 }
-sub name { return $_[0]->{name}; }
+sub perlio_ok {
+ return 0; # for the time being
+}
sub decode
{
- my ($obj,$str,$chk) = @_;
+ my ($obj, $str, $chk) = @_;
my $res = $str;
- iso_euc(\$res);
- return Encode::decode('euc-kr', $res, $chk);
+ 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,$str,$chk) = @_;
- my $res = Encode::encode('euc-kr', $str, $chk);
- euc_iso(\$res);
- return $res;
+ my ($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 {
+sub iso_euc{
my $r_str = shift;
- $$r_str =~ s(
- ($RE{KSC_5601}|$RE{ISO_ASC})
- ([^\e]*)
- )
+ $$r_str =~ s/$RE{'2022_KR'}//gox; # remove the designator
+ $$r_str =~ s{ # replace characters in GL
+ \x0e # between SO(\x0e) and SI(\x0f)
+ ([^\x0f]*) # with characters in GR
+ \x0f
+ }
{
- my ($esc, $str) = ($1, $2);
- if ($esc !~ /$RE{ISO_ASC}/o) {
- $str =~ tr/\x21-\x7e/\xa1-\xfe/;
- }
- $str;
+ my $out= $1;
+ $out =~ tr/\x21-\x7e/\xa1-\xfe/;
+ $out;
}geox;
- $$r_str;
+ my ($residue) = ($$r_str =~ s/(\e.*)$//so);
+ return $residue;
}
sub euc_iso{
+ no warnings qw(uninitialized);
my $r_str = shift;
- $$r_str =~ s{
- ($RE{EUC_C}+)
- }{
- my $str = $1;
- my $esc = $ESC{KSC_5601};
- $str =~ tr/\xA1-\xFE/\x21-\x7E/;
- $esc . $str . $ESC{ASC};
- }geox;
- $$r_str =~
- s/\Q$ESC{ASC}\E(\Q$ESC{KSC_5601}\E)/$1/gox;
+ substr($$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