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