8 |
require v5.7.3; |
require v5.7.3; |
9 |
package Encode::ISO2022; |
package Encode::ISO2022; |
10 |
use strict; |
use strict; |
11 |
use vars qw(%CHARSET $VERSION); |
use vars qw(%CHARSET %CODING_SYSTEM $VERSION); |
12 |
$VERSION=do{my @r=(q$Revision$=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
$VERSION=do{my @r=(q$Revision$=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
13 |
use base qw(Encode::Encoding); |
use base qw(Encode::Encoding); |
14 |
__PACKAGE__->Define (qw/iso-2022 iso2022 2022 cp2022/); |
__PACKAGE__->Define (qw/iso-2022 iso2022 2022 cp2022/); |
15 |
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require Encode::Charset; |
16 |
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*CHARSET = \%Encode::Charset::CHARSET; |
17 |
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*CODING_SYSTEM = \%Encode::Charset::CODING_SYSTEM; |
18 |
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|
19 |
### --- Intialization |
### --- Intialization |
20 |
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|
33 |
b256 => q/[\x00-\xFF]/, |
b256 => q/[\x00-\xFF]/, |
34 |
); |
); |
35 |
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## --- Make initial charset definitions |
|
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&_make_initial_charsets; |
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sub _make_initial_charsets () { |
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for my $f (0x30..0x7E) { |
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my $F = pack 'C', $f; |
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for ('', '!', '"', '#') { |
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$CHARSET{G94}->{ $_.$F }->{dimension} = 1; |
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$CHARSET{G94}->{ $_.$F }->{chars} = 94; |
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$CHARSET{G94}->{ $_.$F }->{ucs} = |
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{'' => 0xE90940, '!' => 0xE944A0, '"' => 0xE98000, '#' => 0xE9BB60}->{ $_ } |
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+ 94 * ($f-0x30); |
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$CHARSET{G96}->{ $_.$F }->{dimension} = 1; |
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$CHARSET{G96}->{ $_.$F }->{chars} = 96; |
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$CHARSET{G96}->{ $_.$F }->{ucs} = |
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{'' => 0xE926A0, '!' => 0xE96200, '"' => 0xE99D60, '#' => 0xE9D8C0}->{ $_ } |
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+ 96 * ($f-0x30); |
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$CHARSET{C0}->{ $_.$F }->{dimension} = 1; |
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$CHARSET{C0}->{ $_.$F }->{chars} = 32; |
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$CHARSET{C0}->{ $_.$F }->{ucs} = |
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{'' => 0x70000000, '!' => 0x70001400, |
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'"' => 0x70002800, '#' => 0x70003C00}->{ $_ } + 32 * ($f-0x30); |
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$CHARSET{C1}->{ $_.$F }->{dimension} = 1; |
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$CHARSET{C1}->{ $_.$F }->{chars} = 32; |
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$CHARSET{C1}->{ $_.$F }->{ucs} = |
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{'' => 0x70000A00, '!' => 0x70001E00, |
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'"' => 0x70003200, '#' => 0x70004600}->{ $_ } + 32 * ($f-0x30); |
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$CHARSET{G94}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS |
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$CHARSET{G94}->{ ' '.$_.$F }->{chars} = 94; |
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$CHARSET{G94}->{ ' '.$_.$F }->{ucs} = |
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{'' => 0x70090940, '!' => 0x700944A0, |
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'"' => 0x70098000, '#' => 0x7009BB60}->{ $_ } + 94 * ($f-0x30); |
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$CHARSET{G96}->{ ' '.$_.$F }->{dimension} = 1; ## DRCS |
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$CHARSET{G96}->{ ' '.$_.$F }->{chars} = 96; |
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$CHARSET{G96}->{ ' '.$_.$F }->{ucs} = |
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{'' => 0x700926A0, '!' => 0x70096200, |
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'"' => 0x70099D60, '#' => 0x7009D8C0}->{ $_ } + 96 * ($f-0x30); |
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} |
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} |
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for my $f (0x30..0x5F, 0x7E) { |
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my $F = pack 'C', $f; |
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for ('', '!', '"', '#', ' ') { |
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$CHARSET{G94n}->{ $_.$F }->{dimension} = 2; |
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$CHARSET{G94n}->{ $_.$F }->{chars} = 94; |
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$CHARSET{G94n}->{ $_.$F }->{ucs} = |
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({'' => 0xE9F6C0}->{ $_ }||0) + 94*94 * ($f-0x30); |
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## BUG: 94^n sets with I byte have no mapping area |
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$CHARSET{G96n}->{ $_.$F }->{dimension} = 2; |
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$CHARSET{G96n}->{ $_.$F }->{chars} = 96; |
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$CHARSET{G96n}->{ $_.$F }->{ucs} = |
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({'' => 0xF4C000}->{ $_ }||0) + 96*96 * ($f-0x30); |
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## BUG: 94^n DRCSes with I byte have no mapping area |
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} |
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} |
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for (0x60..0x6F) { |
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my $F = pack 'C', $_; |
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## BUG: 9x^3 sets have no mapping area |
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for ('', '!', '"', '#', ' ') { |
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$CHARSET{G94n}->{ $_.$F }->{dimension} = 3; |
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$CHARSET{G94n}->{ $_.$F }->{chars} = 94; |
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$CHARSET{G96n}->{ $_.$F }->{dimension} = 3; |
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$CHARSET{G96n}->{ $_.$F }->{chars} = 96; |
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} |
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} |
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for (0x70..0x7D) { |
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my $F = pack 'C', $_; |
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## BUG: 9x^4 sets have no mapping area |
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for ('', '!', '"', '#', ' ') { |
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$CHARSET{G94n}->{ $_.$F }->{dimension} = 4; |
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$CHARSET{G94n}->{ $_.$F }->{chars} = 94; |
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$CHARSET{G96n}->{ $_.$F }->{dimension} = 4; |
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$CHARSET{G96n}->{ $_.$F }->{chars} = 96; |
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} |
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} |
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for my $f (0x40..0x4E) { |
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my $F = pack 'C', $f; |
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$CHARSET{G96n}->{ ' '.$F }->{dimension} = 2; |
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$CHARSET{G96n}->{ ' '.$F }->{chars} = 96; |
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$CHARSET{G96n}->{ ' '.$F }->{ucs} = 0xF0000 + 96*96*($f-0x40); |
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## U+F0000-U+10F7FF (private) -> ESC 02/04 02/00 <I> (04/00-04/14) (DRCS) |
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} |
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$CHARSET{G94}->{B}->{ucs} = 0x21; ## ASCII |
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$CHARSET{G96}->{A}->{ucs} = 0xA0; ## ISO 8859-1 |
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$CHARSET{G94n}->{'B@'}->{dimension} = 2; ## JIS X 0208-1990 |
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$CHARSET{G94n}->{'B@'}->{chars} = 94; |
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$CHARSET{G94n}->{'B@'}->{ucs} = 0xE9F6C0 + 94*94*79; |
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## -- Control character sets |
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$CHARSET{C0}->{'@'}->{ucs} = 0x00; ## ISO/IEC 6429 C0 |
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for ("\x40", "\x43", "\x44", "\x45", "\x46", "\x49", "\x4A", "\x4B", "\x4C") { |
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$CHARSET{C0}->{$_}->{C_LS0} = "\x0F"; |
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$CHARSET{C0}->{$_}->{C_LS1} = "\x0E"; |
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$CHARSET{C0}->{$_}->{r_LS0} = '\x0F'; |
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$CHARSET{C0}->{$_}->{r_LS1} = '\x0E'; |
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} |
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for ("\x40", "\x44", "\x45", "\x46", "\x48", "\x4C") { |
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$CHARSET{C0}->{$_}->{reset_all} = {"\x0A" => 1, "\x0B" => 1, |
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"\x0C" => 1, "\x0D" => 1}; |
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} |
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$CHARSET{C0}->{"\x43"}->{reset_all} = {"\x0A" => 1}; |
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$CHARSET{C0}->{"\x44"}->{C_SS2} = "\x1C"; |
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$CHARSET{C0}->{"\x44"}->{r_SS2} = '\x1C'; |
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for ("\x45", "\x49", "\x4A", "\x4B") { |
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$CHARSET{C0}->{$_}->{C_SS2} = "\x19"; |
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$CHARSET{C0}->{$_}->{C_SS3} = "\x1D"; |
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$CHARSET{C0}->{$_}->{r_SS2} = '\x19'; |
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$CHARSET{C0}->{$_}->{r_SS3} = '\x1D'; |
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} |
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$CHARSET{C0}->{"\x4C"}->{C_SS2} = "\x19"; |
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$CHARSET{C0}->{"\x4C"}->{r_SS2} = '\x19'; |
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$CHARSET{C1}->{'64291991C1'}->{dimension} = 1; ## ISO/IEC 6429:1991 C1 |
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$CHARSET{C1}->{'64291991C1'}->{chars} = 32; |
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$CHARSET{C1}->{'64291991C1'}->{ucs} = 0x80; |
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for ("\x43", "\x45", "\x47", '64291991C1') { |
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$CHARSET{C1}->{$_}->{C_SS2} = "\x8E"; |
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$CHARSET{C1}->{$_}->{C_SS3} = "\x8F"; |
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$CHARSET{C1}->{$_}->{r_SS2} = '\x8E'; |
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$CHARSET{C1}->{$_}->{r_SS3} = '\x8F'; |
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$CHARSET{C1}->{$_}->{r_SS2_ESC} = '\x1B\x4E'; |
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$CHARSET{C1}->{$_}->{r_SS3_ESC} = '\x1B\x4F'; |
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} |
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for ("\x43", '64291991C1') { |
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$CHARSET{C1}->{$_}->{r_CSI} = '\x9B'; |
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$CHARSET{C1}->{$_}->{r_CSI_ESC} = '\x1B\x5B'; |
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$CHARSET{C1}->{$_}->{r_DCS} = '\x90'; |
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$CHARSET{C1}->{$_}->{r_ST} = '\x9C'; |
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$CHARSET{C1}->{$_}->{r_OSC} = '\x9D'; |
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$CHARSET{C1}->{$_}->{r_PM} = '\x9E'; |
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$CHARSET{C1}->{$_}->{r_APC} = '\x9F'; |
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$CHARSET{C1}->{$_}->{reset_all} = {"\x85"=>1, "\x90"=>1, |
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"\x9C"=>1, "\x9D"=>1, "\x9E"=>1, "\x9F"=>1}; |
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} |
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$CHARSET{C1}->{'64291991C1'}->{r_SCI} = '\x9A'; |
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$CHARSET{single_control}->{Fs} ={ucs => 0x70005000, chars => 32, dimension => 1}; |
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$CHARSET{single_control}->{'3F'} ={ucs => 0x70005020, chars => 80, dimension => 1}; |
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$CHARSET{single_control}->{'3F!'}={ucs => 0x70005070, chars => 80, dimension => 1}; |
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$CHARSET{single_control}->{'3F"'}={ucs => 0x700050C0, chars => 80, dimension => 1}; |
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$CHARSET{single_control}->{'3F#'}={ucs => 0x70005110, chars => 80, dimension => 1}; |
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} |
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36 |
### --- Perl Encode module common functions |
### --- Perl Encode module common functions |
37 |
|
|
38 |
sub encode ($$;$) { |
sub encode ($$;$) { |
63 |
$C{G1} = $CHARSET{G94}->{"\x7E"}; ## empty set |
$C{G1} = $CHARSET{G94}->{"\x7E"}; ## empty set |
64 |
$C{G2} = $CHARSET{G94}->{"\x7E"}; ## empty set |
$C{G2} = $CHARSET{G94}->{"\x7E"}; ## empty set |
65 |
$C{G3} = $CHARSET{G94}->{"\x7E"}; ## empty set |
$C{G3} = $CHARSET{G94}->{"\x7E"}; ## empty set |
66 |
|
$C{coding_system} = $CODING_SYSTEM{"\x40"}; ## ISO/IEC 2022 |
67 |
$C{option} = { |
$C{option} = { |
68 |
C1invoke_to_right => 0, ## C1 invoked to: (0: ESC Fe, 1: CR) |
C1invoke_to_right => 0, ## C1 invoked to: (0: ESC Fe, 1: CR) |
69 |
G94n_designate_long => 0, ## (1: ESC 02/04 02/08 04/00..02) |
G94n_designate_long => 0, ## (1: ESC 02/04 02/08 04/00..02) |
87 |
G96n => { |
G96n => { |
88 |
default => 1, |
default => 1, |
89 |
}, |
}, |
90 |
|
coding_system => { |
91 |
|
default => -1, |
92 |
|
}, |
93 |
}, |
}, |
94 |
Ginvoke_by_single_shift => [0,0,0,0], ## Invoked by SS |
Ginvoke_by_single_shift => [0,0,0,0], ## Invoked by SS |
95 |
Ginvoke_to_left => [1,1,1,1], ## Which invoked to? (1: L, 0: R) |
Ginvoke_to_left => [1,1,1,1], ## Which invoked to? (1: L, 0: R) |
117 |
|
|
118 |
sub iso2022_to_internal ($;\%) { |
sub iso2022_to_internal ($;\%) { |
119 |
my ($s, $C) = @_; |
my ($s, $C) = @_; |
120 |
|
my $t = ''; |
121 |
|
$s =~ s{ |
122 |
|
^((?:(?!\x1B\x25\x2F?[\x30-\x7E]).)*) |
123 |
|
}{ |
124 |
|
my $i2 = $1; |
125 |
|
$t = _iso2022_to_internal ($i2, $C); |
126 |
|
''; |
127 |
|
}gesx; |
128 |
|
$s =~ s{ |
129 |
|
## ISO/IEC 2022 |
130 |
|
\x1B\x25\x40((?:(?!\x1B\x25\x2F?[\x30-\x7E]).)*) |
131 |
|
## UTF-8 |
132 |
|
|\x1B\x25(?:\x47|\x2F[\x47-\x49])((?:(?!\x1B\x25\x2F?[\x30-\x7E]).)*) |
133 |
|
## UCS-2, UTF-16 |
134 |
|
|\x1B\x25\x2F[\x40\x43\x45\x4A-\x4C] |
135 |
|
((?!\x00\x1B\x00\x25\x00\x2F?\x00[\x30-\x7E].)*) |
136 |
|
## UCS-4 |
137 |
|
|\x1B\x25\x2F[\x41\x44\x46] |
138 |
|
((?!\x00\x00\x00\x1B\x00\x00\x00\x25\x00\x00\x00\x2F? |
139 |
|
\x00\x00\x00[\x30-\x7E].)*) |
140 |
|
## with standard return |
141 |
|
|\x1B\x25([\x30-\x7E])((?:(?!\x1B\x25\x2F?[\x30-\x7E]).)*) |
142 |
|
## without standard return |
143 |
|
|\x1B\x25\x2F([\x30-\x7E])(.*) |
144 |
|
}{ |
145 |
|
my ($i2,$u8,$Fu2,$u2,$u4,$Fsr,$sr,$Fnsr,$nsr) = ($1,$2,$3,$4,$5,$6,$7,$8,$9); |
146 |
|
my $r = ''; |
147 |
|
if (defined $i2) { |
148 |
|
$r = _iso2022_to_internal ($i2, $C); |
149 |
|
} elsif (defined $u8) { |
150 |
|
$r = Encode::decode ('utf8', $u8); |
151 |
|
} elsif ($Fu2) { |
152 |
|
if (ord ($Fu2) > 0x49) { |
153 |
|
$r = Encode::decode ('utf-16be', $u2); |
154 |
|
} else { |
155 |
|
$r = Encode::decode ('ucs-2be', $u2); |
156 |
|
} |
157 |
|
} elsif (defined $u4) { |
158 |
|
$r = Encode::decode ('ucs-4be', $u2); |
159 |
|
} else { ## temporary |
160 |
|
$r = '?+'; |
161 |
|
} |
162 |
|
$r; |
163 |
|
}gesx; |
164 |
|
$t . $s; |
165 |
|
} |
166 |
|
|
167 |
|
sub _iso2022_to_internal ($;\%) { |
168 |
|
my ($s, $C) = @_; |
169 |
my %_GB_to_GN = ( |
my %_GB_to_GN = ( |
170 |
"\x28"=>'G0',"\x29"=>'G1',"\x2A"=>'G2',"\x2B"=>'G3', |
"\x28"=>'G0',"\x29"=>'G1',"\x2A"=>'G2',"\x2B"=>'G3', |
171 |
"\x2C"=>'G0',"\x2D"=>'G1',"\x2E"=>'G2',"\x2F"=>'G3', |
"\x2C"=>'G0',"\x2D"=>'G1',"\x2E"=>'G2',"\x2F"=>'G3', |
474 |
->[ $c / 8836 ]); |
->[ $c / 8836 ]); |
475 |
} |
} |
476 |
if (defined $t) { |
if (defined $t) { |
477 |
|
$t = _i2o ($t, $C, cs_F => "\x40") |
478 |
|
if $C->{coding_system} ne $CODING_SYSTEM{"\x40"}; |
479 |
|
} else { |
480 |
|
my $F; my @F = qw~G /G /H /I B /A /D /F~; |
481 |
|
push @F, qw~/J /K /L~ if $cc <= 0x10FFFF; |
482 |
|
push @F, qw~/@ /C /E~ if $cc <= 0xFFFF; |
483 |
|
for (@F) { |
484 |
|
if (defined $C->{option}->{designate_to}->{coding_system}->{$_} |
485 |
|
&& $C->{option}->{designate_to}->{coding_system}->{$_} > -1) { |
486 |
|
$F = $_; last; |
487 |
|
} elsif ($C->{option}->{designate_to}->{coding_system}->{default} > -1) { |
488 |
|
$F = $_; last; |
489 |
|
} |
490 |
|
} |
491 |
|
$t = _i2o ($c, $C, cs_F => $F) if $F; |
492 |
|
} |
493 |
|
if (defined $t) { |
494 |
$r .= $t; |
$r .= $t; |
495 |
} else { |
} else { |
496 |
$r .= _i2g ($C->{option}->{undef_char}->[0], $C, |
$t = _i2g ($C->{option}->{undef_char}->[0], $C, |
497 |
%{ $C->{option}->{undef_char}->[1] }); |
%{ $C->{option}->{undef_char}->[1] }); |
498 |
|
$r .= $C->{coding_system} eq $CODING_SYSTEM{"\x40"} ? |
499 |
|
$t : _i2o ($t, $C, cs_F => "\x40"); |
500 |
} |
} |
501 |
} |
} |
502 |
$r . _back2ascii ($C); |
$r . _back2ascii ($C); |
652 |
} |
} |
653 |
''; |
''; |
654 |
} |
} |
655 |
|
sub _i2o ($\%%) { |
656 |
sub make_charset (%) { |
my ($s, $C, %O) = @_; |
657 |
## TODO: support private charset ID such as 'X0' |
my $CS = $CODING_SYSTEM{ $O{cs_F} } || $CODING_SYSTEM{ $O{cs_id} } || return undef; |
658 |
my %set = @_; |
my $r = ''; |
659 |
my $setid = qq($set{I}$set{F}$set{revision}); |
if ($CS ne $C->{coding_system}) { |
660 |
my $settype = $set{type} || 'G94'; |
my $e = ''; |
661 |
delete $set{type}, $set{I}, $set{F}, $set{revision}; |
$e .= "\x1B\x25"; |
662 |
$CHARSET{ $settype }->{ $setid } = \%set; |
$e .= $O{cs_F} || $C->{private_set}->{coding_system}->{ $O{cs_id} } |
663 |
|
|| return undef; |
664 |
|
if ($C->{coding_system} eq $CODING_SYSTEM{"\x2F\x40"} |
665 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x43"} |
666 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x45"} |
667 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x4A"} |
668 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x4B"} |
669 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x4C"}) { |
670 |
|
$e =~ s/(.)/\x00$1/go; |
671 |
|
} elsif ($C->{coding_system} eq $CODING_SYSTEM{"\x2F\x41"} |
672 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x44"} |
673 |
|
|| $C->{coding_system} eq $CODING_SYSTEM{"\x2F\x46"}) { |
674 |
|
$e =~ s/(.)/\x00\x00\x00$1/go; |
675 |
|
} |
676 |
|
$r .= $e; |
677 |
|
$C->{coding_system} = $CS; |
678 |
|
if ($CS->{reset_state}) { |
679 |
|
$C->{GL} = undef; $C->{GR} = undef; |
680 |
|
$C->{C0} = $CHARSET{C0}->{"\x7E"}; |
681 |
|
$C->{C1} = $CHARSET{C1}->{"\x7E"}; |
682 |
|
$C->{G0} = $CHARSET{G94}->{"\x7E"}; |
683 |
|
$C->{G1} = $CHARSET{G94}->{"\x7E"}; |
684 |
|
$C->{G2} = $CHARSET{G94}->{"\x7E"}; |
685 |
|
$C->{G3} = $CHARSET{G94}->{"\x7E"}; |
686 |
|
} |
687 |
|
} |
688 |
|
if ($CS eq $CODING_SYSTEM{"\x40"}) { |
689 |
|
# |
690 |
|
} elsif ($CS eq $CODING_SYSTEM{G} || $CS eq $CODING_SYSTEM{'/G'} |
691 |
|
|| $CS eq $CODING_SYSTEM{'/H'} || $CS eq $CODING_SYSTEM{'/I'}) { |
692 |
|
Encode::_utf8_off ($s); |
693 |
|
} elsif ($CS eq $CODING_SYSTEM{'/@'} || $CS eq $CODING_SYSTEM{'/C'} |
694 |
|
|| $CS eq $CODING_SYSTEM{'/E'}) { |
695 |
|
$s = Encode::encode ('ucs-2be', $s); |
696 |
|
} elsif ($CS eq $CODING_SYSTEM{'/A'} || $CS eq $CODING_SYSTEM{'/D'} |
697 |
|
|| $CS eq $CODING_SYSTEM{'/F'}) { |
698 |
|
$s = Encode::encode ('ucs-4be', $s); |
699 |
|
} elsif ($CS eq $CODING_SYSTEM{'/J'} || $CS eq $CODING_SYSTEM{'/K'} |
700 |
|
|| $CS eq $CODING_SYSTEM{'/L'}) { |
701 |
|
$s = Encode::encode ('UTF-16BE', $s); |
702 |
|
} elsif ($CS eq $CODING_SYSTEM{B}) { |
703 |
|
$s = Encode::encode ('utf-1', $s); |
704 |
|
} else { |
705 |
|
return undef; |
706 |
|
} |
707 |
|
$r . $s; |
708 |
} |
} |
709 |
|
|
710 |
1; |
1; |
776 |
|
|
777 |
=back |
=back |
778 |
|
|
779 |
|
=head1 AUTHORS |
780 |
|
|
781 |
|
Nanashi-san |
782 |
|
|
783 |
|
Wakaba <w@suika.fam.cx> |
784 |
|
|
785 |
=head1 LICENSE |
=head1 LICENSE |
786 |
|
|
787 |
Copyright 2002 wakaba <w@suika.fam.cx> |
Copyright 2002 AUTHORS |
788 |
|
|
789 |
This library is free software; you can redistribute it |
This library is free software; you can redistribute it |
790 |
and/or modify it under the same terms as Perl itself. |
and/or modify it under the same terms as Perl itself. |