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| 1 | |
| 2 | =head1 NAME |
| 3 | |
| 4 | Encode::Charset --- Coded Character Sets objects, |
| 5 | used by Encode::ISO2022, Encode::SJIS, and other modules. |
| 6 | |
| 7 | =cut |
| 8 | |
| 9 | package Encode::Charset; |
| 10 | use strict; |
| 11 | use vars qw(%CHARSET %CODING_SYSTEM $VERSION); |
| 12 | $VERSION=do{my @r=(q$Revision: 1.6 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
| 13 | |
| 14 | ## --- Make initial charset definitions |
| 15 | &_make_initial_charsets; |
| 16 | sub _make_initial_charsets () { |
| 17 | for my $f (0x30..0x7E) { |
| 18 | my $F = pack 'C', $f; |
| 19 | for ('', '!', '"', '#') { |
| 20 | $CHARSET{G94}->{ $_.$F }->{dimension} = 1; |
| 21 | $CHARSET{G94}->{ $_.$F }->{chars} = 94; |
| 22 | $CHARSET{G94}->{ $_.$F }->{ucs} = |
| 23 | {'' => 0xE90940, '!' => 0xE944A0, '"' => 0xE98000, '#' => 0xE9BB60}->{ $_ } |
| 24 | + 94 * ($f-0x30); |
| 25 | |
| 26 | $CHARSET{G96}->{ $_.$F }->{dimension} = 1; |
| 27 | $CHARSET{G96}->{ $_.$F }->{chars} = 96; |
| 28 | $CHARSET{G96}->{ $_.$F }->{ucs} = |
| 29 | {'' => 0xE926A0, '!' => 0xE96200, '"' => 0xE99D60, '#' => 0xE9D8C0}->{ $_ } |
| 30 | + 96 * ($f-0x30); |
| 31 | |
| 32 | $CHARSET{C0}->{ $_.$F }->{dimension} = 1; |
| 33 | $CHARSET{C0}->{ $_.$F }->{chars} = 32; |
| 34 | $CHARSET{C0}->{ $_.$F }->{ucs} = |
| 35 | {'' => 0x70000000, '!' => 0x70001400, |
| 36 | '"' => 0x70002800, '#' => 0x70003C00}->{ $_ } + 32 * ($f-0x30); |
| 37 | |
| 38 | $CHARSET{C1}->{ $_.$F }->{dimension} = 1; |
| 39 | $CHARSET{C1}->{ $_.$F }->{chars} = 32; |
| 40 | $CHARSET{C1}->{ $_.$F }->{ucs} = |
| 41 | {'' => 0x70000A00, '!' => 0x70001E00, |
| 42 | '"' => 0x70003200, '#' => 0x70004600}->{ $_ } + 32 * ($f-0x30); |
| 43 | |
| 44 | $CHARSET{G94}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS |
| 45 | $CHARSET{G94}->{ ' '.$_.$F }->{chars} = 94; |
| 46 | $CHARSET{G94}->{ ' '.$_.$F }->{ucs} = |
| 47 | {'' => 0x70090940, '!' => 0x700944A0, |
| 48 | '"' => 0x70098000, '#' => 0x7009BB60}->{ $_ } + 94 * ($f-0x30); |
| 49 | |
| 50 | $CHARSET{G96}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS |
| 51 | $CHARSET{G96}->{ ' '.$_.$F }->{chars} = 96; |
| 52 | $CHARSET{G96}->{ ' '.$_.$F }->{ucs} = |
| 53 | {'' => 0x700926A0, '!' => 0x70096200, |
| 54 | '"' => 0x70099D60, '#' => 0x7009D8C0}->{ $_ } + 96 * ($f-0x30); |
| 55 | } |
| 56 | } |
| 57 | for my $f (0x30..0x5F, 0x7E) { |
| 58 | my $F = pack 'C', $f; |
| 59 | for ('', '!', '"', '#', ' ') { |
| 60 | $CHARSET{G94n}->{ $_.$F }->{dimension} = 2; |
| 61 | $CHARSET{G94n}->{ $_.$F }->{chars} = 94; |
| 62 | $CHARSET{G94n}->{ $_.$F }->{ucs} = |
| 63 | ({'' => 0xE9F6C0}->{ $_ }||0) + 94*94 * ($f-0x30); |
| 64 | ## BUG: 94^n sets with I byte have no mapping area |
| 65 | |
| 66 | $CHARSET{G96n}->{ $_.$F }->{dimension} = 2; |
| 67 | $CHARSET{G96n}->{ $_.$F }->{chars} = 96; |
| 68 | $CHARSET{G96n}->{ $_.$F }->{ucs} = |
| 69 | ({'' => 0xF4C000}->{ $_ }||0) + 96*96 * ($f-0x30); |
| 70 | ## BUG: 96^n DRCSes with I byte have no mapping area |
| 71 | } |
| 72 | } |
| 73 | $CHARSET{G94n}->{"\x20\x40"}->{ucs} = 0x70460000; ## DRCS 94^2 04/00 |
| 74 | $CHARSET{G94n}->{P4_0} = $CHARSET{G94n}->{"\x20\x40"}; |
| 75 | |
| 76 | for (0x60..0x6F) { |
| 77 | my $F = pack 'C', $_; |
| 78 | ## BUG: 9x^3 sets have no mapping area |
| 79 | for ('', '!', '"', '#', ' ') { |
| 80 | $CHARSET{G94n}->{ $_.$F }->{dimension} = 3; |
| 81 | $CHARSET{G94n}->{ $_.$F }->{chars} = 94; |
| 82 | |
| 83 | $CHARSET{G96n}->{ $_.$F }->{dimension} = 3; |
| 84 | $CHARSET{G96n}->{ $_.$F }->{chars} = 96; |
| 85 | } |
| 86 | } |
| 87 | for (0x70..0x7D) { |
| 88 | my $F = pack 'C', $_; |