#

# $Id: CJKConstants.pm,v 2.2 2006/06/03 20:28:48 dankogai Exp $

#

package Encode::CJKConstants;

use strict;

use warnings;

our $RCSID = q$Id: CJKConstants.pm,v 2.2 2006/06/03 20:28:48 dankogai Exp $;

our $VERSION = do { my @r = ( q$Revision: 2.2 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r };

use Carp;

require Exporter;

our @ISA         = qw(Exporter);

our @EXPORT      = qw();

our @EXPORT_OK   = qw(%CHARCODE %ESC %RE);

our %EXPORT_TAGS = ( 'all' => [ @EXPORT_OK, @EXPORT ] );

my %_0208 = (

    1978 => '\e\$\@',

    1983 => '\e\$B',

    1990 => '\e&\@\e\$B',

);

our %CHARCODE = (

    UNDEF_EUC     => "\xa2\xae",    # во in EUC

    UNDEF_SJIS    => "\x81\xac",    # во in SJIS

    UNDEF_JIS     => "\xa2\xf7",    # вў -- used in unicode

    UNDEF_UNICODE => "\x20\x20",    # вў -- used in unicode

);

our %ESC = (

    GB_2312   => "\e\$A",

    JIS_0208  => "\e\$B",

    JIS_0212  => "\e\$(D",

    KSC_5601  => "\e\$(C",

    ASC       => "\e\(B",

    KANA      => "\e\(I",

    '2022_KR' => "\e\$)C",

);

our %RE = (

    ASCII     => '[\x00-\x7f]',

    BIN       => '[\x00-\x06\x7f\xff]',

    EUC_0212  => '\x8f[\xa1-\xfe][\xa1-\xfe]',

    EUC_C     => '[\xa1-\xfe][\xa1-\xfe]',

    EUC_KANA  => '\x8e[\xa1-\xdf]',

    JIS_0208  => "$_0208{1978}|$_0208{1983}|$_0208{1990}",

    JIS_0212  => "\e" . '\$\(D',

    ISO_ASC   => "\e" . '\([BJ]',

    JIS_KANA  => "\e" . '\(I',

    '2022_KR' => "\e" . '\$\)C',

    SJIS_C    => '[\x81-\x9f\xe0-\xfc][\x40-\x7e\x80-\xfc]',

    SJIS_KANA => '[\xa1-\xdf]',

    UTF8      => '[\xc0-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf][\x80-\xbf]'

);

1;

=head1 NAME

Encode::CJKConstants.pm -- Internally used by Encode::??::ISO_2022_*

=cut