Commit | Line | Data |
0e567a6c |
1 | package Encode::JP::JIS; |
2 | use Encode::JP; |
3 | use base 'Encode::Encoding'; |
4 | |
8f21750f |
5 | use strict; |
6 | |
eb042f38 |
7 | use vars qw($VERSION); |
ee981de6 |
8 | $VERSION = do { my @r = (q$Revision: 0.90 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r }; |
eb042f38 |
9 | |
0e567a6c |
10 | # Just for the time being, we implement jis-7bit |
11 | # encoding via EUC |
12 | |
13 | my $canon = '7bit-jis'; |
14 | my $obj = bless {name => $canon}, __PACKAGE__; |
15 | $obj->Define($canon); |
16 | |
17 | sub decode |
18 | { |
19 | my ($obj,$str,$chk) = @_; |
20 | my $res = $str; |
21 | jis_euc(\$res); |
8f21750f |
22 | return Encode::decode('euc-jp', $res, $chk); |
0e567a6c |
23 | } |
24 | |
25 | sub encode |
26 | { |
27 | my ($obj,$str,$chk) = @_; |
28 | my $res = Encode::encode('euc-jp', $str, $chk); |
29 | euc_jis(\$res); |
30 | return $res; |
31 | } |
32 | |
33 | use Encode::JP::Constants qw(:all); |
34 | |
35 | # JIS<->EUC |
36 | |
37 | sub jis_euc { |
38 | my $r_str = shift; |
39 | $$r_str =~ s( |
40 | ($RE{JIS_0212}|$RE{JIS_0208}|$RE{JIS_ASC}|$RE{JIS_KANA}) |
41 | ([^\e]*) |
42 | ) |
43 | { |
44 | my ($esc, $str) = ($1, $2); |
45 | if ($esc !~ /$RE{JIS_ASC}/o) { |
46 | $str =~ tr/\x21-\x7e/\xa1-\xfe/; |
47 | if ($esc =~ /$RE{JIS_KANA}/o) { |
48 | $str =~ s/([\xa1-\xdf])/\x8e$1/og; |
49 | } |
50 | elsif ($esc =~ /$RE{JIS_0212}/o) { |
51 | $str =~ s/([\xa1-\xfe][\xa1-\xfe])/\x8f$1/og; |
52 | } |
53 | } |
54 | $str; |
55 | }geox; |
56 | $$r_str; |
57 | } |
58 | |
59 | sub euc_jis{ |
60 | my $r_str = shift; |
61 | $$r_str =~ s{ |
62 | ((?:$RE{EUC_C})+|(?:$RE{EUC_KANA})+|(?:$RE{EUC_0212})+) |
63 | }{ |
64 | my $str = $1; |
65 | my $esc = |
66 | ( $str =~ tr/\x8E//d ) ? $ESC{KANA} : |
67 | ( $str =~ tr/\x8F//d ) ? $ESC{JIS_0212} : |
68 | $ESC{JIS_0208}; |
69 | $str =~ tr/\xA1-\xFE/\x21-\x7E/; |
70 | $esc . $str . $ESC{ASC}; |
71 | }geox; |
72 | $$r_str =~ |
73 | s/\Q$ESC{ASC}\E |
74 | (\Q$ESC{KANA}\E|\Q$ESC{JIS_0212}\E|\Q$ESC{JIS_0208}\E)/$1/gox; |
75 | $$r_str; |
76 | } |
77 | |
78 | 1; |
79 | __END__ |