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   1  #
   2  # $Id: CJKConstants.pm,v 2.2 2006/06/03 20:28:48 dankogai Exp $
   3  #
   4  
   5  package Encode::CJKConstants;
   6  
   7  use strict;
   8  use warnings;
   9  our $RCSID = q$Id: CJKConstants.pm,v 2.2 2006/06/03 20:28:48 dankogai Exp $;
  10  our $VERSION = do { my @r = ( q$Revision: 2.2 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r };
  11  
  12  use Carp;
  13  
  14  require Exporter;
  15  our @ISA         = qw(Exporter);
  16  our @EXPORT      = qw();
  17  our @EXPORT_OK   = qw(%CHARCODE %ESC %RE);
  18  our %EXPORT_TAGS = ( 'all' => [ @EXPORT_OK, @EXPORT ] );
  19  
  20  my %_0208 = (
  21      1978 => '\e\$\@',
  22      1983 => '\e\$B',
  23      1990 => '\e&\@\e\$B',
  24  );
  25  
  26  our %CHARCODE = (
  27      UNDEF_EUC     => "\xa2\xae",    # ¢® in EUC
  28      UNDEF_SJIS    => "\x81\xac",    # ¢® in SJIS
  29      UNDEF_JIS     => "\xa2\xf7",    # ¢÷ -- used in unicode
  30      UNDEF_UNICODE => "\x20\x20",    # ¢÷ -- used in unicode
  31  );
  32  
  33  our %ESC = (
  34      GB_2312   => "\e\$A",
  35      JIS_0208  => "\e\$B",
  36      JIS_0212  => "\e\$(D",
  37      KSC_5601  => "\e\$(C",
  38      ASC       => "\e\(B",
  39      KANA      => "\e\(I",
  40      '2022_KR' => "\e\$)C",
  41  );
  42  
  43  our %RE = (
  44      ASCII     => '[\x00-\x7f]',
  45      BIN       => '[\x00-\x06\x7f\xff]',
  46      EUC_0212  => '\x8f[\xa1-\xfe][\xa1-\xfe]',
  47      EUC_C     => '[\xa1-\xfe][\xa1-\xfe]',
  48      EUC_KANA  => '\x8e[\xa1-\xdf]',
  49      JIS_0208  => "$_0208{1978}|$_0208{1983}|$_0208{1990}",
  50      JIS_0212  => "\e" . '\$\(D',
  51      ISO_ASC   => "\e" . '\([BJ]',
  52      JIS_KANA  => "\e" . '\(I',
  53      '2022_KR' => "\e" . '\$\)C',
  54      SJIS_C    => '[\x81-\x9f\xe0-\xfc][\x40-\x7e\x80-\xfc]',
  55      SJIS_KANA => '[\xa1-\xdf]',
  56      UTF8      => '[\xc0-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf][\x80-\xbf]'
  57  );
  58  
  59  1;
  60  
  61  =head1 NAME
  62  
  63  Encode::CJKConstants.pm -- Internally used by Encode::??::ISO_2022_*
  64  
  65  =cut
  66