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=head1 NAME
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M17N::Code::JA --- Perl module for convertion between
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coding systems of string written in Japanese language
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=cut
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package M17N::Code::JA;
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use strict;
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use vars qw(%re %_cp);
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%re = (
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94x1 => qr/\x1B\x28[\x40-\x7D](?:[\x21-\x7E])*/,
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94x2 => qr/(?:\x1B\x26[\x40-\x7E])?\x1B\x24\x28?[\x40-\x5F](?:[\x21-\x7E][\x21-\x7E])*/,
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96x1 => qr/\x1B\x2C[\x40-\x7D](?:[\x20-\x7F])*/,
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utf8 => qr/\x1B\x25(?:\x47|\x2F[\x47-\x49])(?:[\x20-\x7F]|(?:[\xC0-\xFD][\x80-\xBF]+))*\x1B\x25\x40/,
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M_94x1 => qr/\x1B\x28([\x40-\x7D])((?:[\x21-\x7E])*)/,
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M_94x2 => qr/(?:\x1B\x26([\x40-\x7E]))?\x1B\x24\x28?([\x40-\x5F])((?:[\x21-\x7E][\x21-\x7E])*)/,
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M_96x1 => qr/\x1B\x2C([\x40-\x7D])((?:[\x20-\x7F])*)/,
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M_utf8 => qr/\x1B\x25(?:\x47|\x2F[\x47-\x49])((?:[\x20-\x7F]|(?:[\xC0-\xFD][\x80-\xBF]+))*)\x1B\x25\x40/,
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);
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%_cp = (
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94x1 => 0xE90940,
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94x2 => 0xE9F6C0,
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96x1 => 0xE926A0,
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jisx02081990 => 0xE9F6C0 + 94*94*79,
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## (0xFC - 0x3F - 1) * (0xFC - 0xEF) = 2444
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x_cp932 => 0xE000, x_cp932_last => 0xE000 + 2443,
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x_imode_doti => 0xFE000,
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x_jsky => 0xFFB00,
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);
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%_cp = (%_cp,
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jisx0201kana => $_cp{94x1} + 94 * (0x49-0x30),
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jisx0201kana_last1 => $_cp{94x1} + 94 * (0x49-0x30+1) -0x21,
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jisx0201kana_last => $_cp{94x1} + 94 * (0x49-0x30+1) -1,
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jisx0201latin => $_cp{94x1} + 94 * (0x4A-0x30),
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jisx0201latin_last => $_cp{94x1} + 94 * (0x4A-0x30+1) -1,
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jisx02081978 => $_cp{94x2} + 94*94 * (0x40-0x30),
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jisx02081978_last => $_cp{94x2} + 94*94 * (0x40-0x30+1) -1,
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jisx02081983 => $_cp{94x2} + 94*94 * (0x42-0x30),
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jisx02081983_last => $_cp{94x2} + 94*94 * (0x42-0x30+1) -1,
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jisx02081990_last => $_cp{jisx02081990} + 94*94 -1,
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jisx02121990 => $_cp{94x2} + 94*94 * (0x44-0x30),
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jisx02121990_last => $_cp{94x2} + 94*94 * (0x44-0x30+1) -1,
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jisx02132000_1 => $_cp{94x2} + 94*94 * (0x4F-0x30),
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jisx02132000_1_last => $_cp{94x2} + 94*94 * (0x4F-0x30+1) -1,
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jisx02132000_2 => $_cp{94x2} + 94*94 * (0x50-0x30),
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jisx02132000_2_last => $_cp{94x2} + 94*94 * (0x50-0x30+1) -1,
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## (0xF7 - 0xEF - 1) * (0xFC - 0xEF) = 1316
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x_doti => $_cp{x_imode_doti},
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x_doti_last => $_cp{x_imode_doti} + 1316-1,
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x_imode => $_cp{x_imode_doti} + 1316,
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x_imode_last => $_cp{x_imode_doti} + 2443,
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);
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my %SJIS_G3_to_KUe = ( ## KU-1
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0xF0 => 7, 0xF1 => 3, 0xF2 => 11, 0xF3 => 13,
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0xF4 => 77, 0xF5 => 79, 0xF6 => 81, 0xF7 => 83,
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0xF8 => 85, 0xF9 => 87, 0xFA => 89, 0xFB => 91,
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0xFC => 93,
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);
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my %SJIS_G3_to_KUo = ( ## KU-1
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0xF0 => 0, 0xF1 => 2, 0xF2 => 4, 0xF3 => 12,
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0xF4 => 14, 0xF5 => 78, 0xF6 => 80, 0xF7 => 82,
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0xF8 => 84, 0xF9 => 86, 0xFA => 88, 0xFB => 90,
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0xFC => 92,
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); ## KU-1
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my %_KU_to_SJIS_G3 = reverse (%SJIS_G3_to_KUe, %SJIS_G3_to_KUo);
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my %_charset_name_n11n_table = (
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ascii => 'us-ascii',
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euc => 'euc-jp',
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'euc-japan' => 'euc-jp',
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'euc-jisx0208' => 'euc-jp',
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'euc-jisx0213' => ['euc-jp', 2000],
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jis => 'junet',
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'shift-jis' => 'shift_jis',
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'shift-jisx0213' => ['shift_jis', 2000],
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shift_jisx0213 => ['shift_jis', 2000],
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sjis => 'shift_jis',
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'sjis-doti' => ['shift_jis', 1997, 'doti'],
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'sjis-imode' => ['shift_jis', 1997, 'imode'],
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'sjis-jsky' => ['shift_jis', 1997, 'jsky'],
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'unicode-2-0-utf-8' => 'utf-8',
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utf8 => 'utf-8',
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'utf-8n' => 'utf-8',
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'x-euc-jisx0213' => ['euc-jp', 2000],
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'x-euc-jp' => 'euc-jp',
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'x-shift_jisx0213' => ['shift_jis', 2000],
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'x-sjis' => 'shift_jis',
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'x-sjis-doti' => ['shift_jis', 1997, 'doti'],
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'x-sjis-imode' => ['shift_jis', 1997, 'imode'],
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'x-sjis-jsky' => ['shift_jis', 1997, 'jsky'],
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);
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sub _charset_name_n11n ($;$) {
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my ($name, $year, $ext) = (shift, shift, lc shift);
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$name = $_charset_name_n11n_table{lc $name} || $name;
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if (ref $name eq 'ARRAY') {
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($name, $year, $ext) = @$name;
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}
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(lc $name, $year, $ext);
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}
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=head2 convert ($string, $output_code, $input_code, $options)
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Convert coded charset of string.
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=cut
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sub convert ($;$$$) {
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my ($string, $o_code, $i_code, $options) = @_;
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my ($i_edition, $o_edition, $i_ext, $o_ext);
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($i_code, $i_edition, $i_ext) = _charset_name_n11n ($i_code);
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($o_code, $o_edition, $o_ext) = _charset_name_n11n ($o_code || "junet");
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if ($i_code eq "euc-jp") {
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eucjapan_to_internal ($string, -edition => $i_edition, -extension => $i_ext);
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} elsif ($i_code eq "junet" || $i_code =~ /^iso-2022-jp/
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|| $i_code eq 'us-ascii') {
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junet_to_internal ($string);
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} elsif ($i_code eq "shift_jis") {
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shiftjis_to_internal ($string, -edition => $i_edition, -extension => $i_ext);
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}
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if ($o_code eq "euc-jp") {
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internal_to_eucjapan ($string, -edition => $o_edition, -extension => $o_ext);
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} elsif ($o_code eq "junet" || $o_code =~ /^iso-2022-jp/
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|| $o_code eq 'us-ascii') {
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internal_to_junet ($string);
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} elsif ($o_code eq "shift_jis") {
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internal_to_shiftjis ($string, -edition => $o_edition, -extension => $o_ext);
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}
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}
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=head2 junet_to_internal ($string)
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Convert junet coded string to internal coded string.
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=cut
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sub junet_to_internal ($) {
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my $s = shift;
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#$s = \$s unless ref $s;
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$s =~ s{
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($re{94x1} | $re{94x2} | $re{96x1} | $re{utf8})
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}{
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my $st = $1;
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if ($st =~ /$re{M_94x1}/) {
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my ($f, $str) = ($1, $2);
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$f = unpack 'C', $f;
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$f = $f == 0x42 ? 0x21 : $_cp{94x1} + 94 * ($f - 0x30);
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$str =~ s{([\x21-\x7E])}{
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_u8($f + unpack('C', $1) - 0x21);
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}goesx;
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$st = $str;
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} elsif ($st =~ /$re{M_94x2}/) {
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my ($rev, $f, $str) = ($1, $2, $3);
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if ($rev eq '@' && $f eq 'B') {
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$f = $_cp{jisx02081990};
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} else {
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$f = unpack 'C', $f;
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$f = $_cp{94x2} + 94*94 * ($f - 0x30);
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}
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$str =~ s{([\x21-\x7E])([\x21-\x7E])}{
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_u8($f + (unpack('C', $1) - 0x21)*94 + unpack('C', $2) - 0x21);
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}goesx;
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$st = $str;
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} elsif ($st =~ /$re{M_96x1}/) {
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my ($f, $str) = ($1, $2);
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$f = unpack 'C', $f;
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$f = $f == 0x41 ? 0xA0 : $_cp{96x1} + 96 * ($f - 0x30);
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$str =~ s{([\x20-\x7F])}{
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_u8($f + unpack('C', $1) - 0x20);
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}goesx;
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$st = $str;
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} elsif ($st =~ /$re{M_utf8}/) {
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$st = $1;
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}
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$st;
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}goesx;
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$s;
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}
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sub _u8 ($) {
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my ($ret, $uc);
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$uc = shift;
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if ($uc < 0x80) { ## 1 byte
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$ret .= chr($uc);
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} elsif ($uc < 0x800) { ## 2 byte
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$ret .= chr(0xC0 | ($uc >> 6))
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. chr(0x80 | ($uc & 0x3F));
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} elsif ($uc < 0x10000) { ## 3 byte
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$ret .= chr(0xE0 | ($uc >> 12) )
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. chr(0x80 | (($uc >> 6) & 0x3F))
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. chr(0x80 | ($uc & 0x3F) );
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} elsif ($uc < 0x200000) { ## 4 byte
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$ret .= chr( 240 | ($uc >> 18) )
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. chr(0x80 | (($uc >> 12) & 0x3F))
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. chr(0x80 | (($uc >> 6) & 0x3F))
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. chr(0x80 | ($uc & 0x3F) );
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} elsif ($uc < 0x4000000) { ## 5 byte
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$ret .= chr( 248 | ($uc >> 24) )
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. chr(0x80 | (($uc >> 18) & 0x3F))
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. chr(0x80 | (($uc >> 12) & 0x3F))
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. chr(0x80 | (($uc >> 6) & 0x3F))
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. chr(0x80 | ($uc & 0x3F) );
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} elsif ($uc < 0x80000000) { ## 6 byte
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$ret .= chr( 252 | ($uc >> 30) )
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. chr(0x80 | (($uc >> 24) & 0x3F))
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. chr(0x80 | (($uc >> 18) & 0x3F))
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. chr(0x80 | (($uc >> 12) & 0x3F))
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. chr(0x80 | (($uc >> 6) & 0x3F))
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. chr(0x80 | ($uc & 0x3F) );
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}
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$ret;
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}
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sub _ucode ($) {
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my $s = shift;
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return unpack("C", $s) if length($s) < 2;
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my ($iterations, $c, @c)
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= (0, unpack("C", substr($s, 0, 1)), unpack('C*', substr($s, 1)));
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if (($c & 0xFE) == 0xFC) {
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$c = ($c & 0x01);
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$iterations = 5;
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} elsif (($c & 0xFC) == 0xF8) {
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| 226 |
$c = ($c & 0x03);
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| 227 |
$iterations = 4;
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| 228 |
} elsif (($c & 0xF8) == 0xF0) {
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| 229 |
$c = ($c & 0x07);
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$iterations = 3;
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| 231 |
} elsif (($c & 0xF0) == 0xE0) {
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$c = ($c & 0x0F);
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$iterations = 2;
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| 234 |
} elsif (($c & 0xE0) == 0xC0) {
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$c = ($c & 0x1F);
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| 236 |
$iterations = 1;
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}
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| 238 |
if ($iterations == $#c+1) {
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| 239 |
for (my $i = 0; $i < $iterations; $i++) {
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| 240 |
$c = ($c << 6);
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| 241 |
$c = ($c | ($c[$i] & 0x3F));
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| 242 |
}
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| 243 |
}
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$c;
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| 245 |
}
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| 246 |
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=head2 internal_to_eucjapan ($string, [%options])
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| 248 |
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| 249 |
Convert internal coded string to euc-japan coded string.
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| 250 |
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| 251 |
=head3 Example
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| 252 |
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| 253 |
internal_to_eucjapan (\$s, jisx0201kana => 1);
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| 254 |
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| 255 |
=cut
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| 256 |
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| 257 |
sub internal_to_eucjapan ($;%) {
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| 258 |
my $s = shift;
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| 259 |
#$s = \$s unless ref $s;
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| 260 |
my %output = @_;
|
| 261 |
my $year = $output{edition} || -1; ## -1 (= all unify), 1983, 1990 = 1997, 2000
|
| 262 |
$output{jisx02081978} = 1 if $year < 1983;
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| 263 |
$output{jisx02081983} = 1 if $year == -1 || (1983 <= $year && $year < 1990);
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| 264 |
$output{jisx02081990} = 1 if $year == -1 || (1990 <= $year && $year < 2000);
|
| 265 |
$output{jisx02121990} = 1 if $year == -1 || (1990 <= $year && $year < 2000);
|
| 266 |
$output{jisx02132000_1} = 1 if $year == -1 || (2000 <= $year);
|
| 267 |
$output{jisx02132000_2} = 1 if $year == -1 || (2000 <= $year);
|
| 268 |
$output{undefchar} ||= "\xA2\xAE";
|
| 269 |
$s =~ s{([\xC0-\xFF][\x80-\xBF]*)}{
|
| 270 |
my $char = $1; my $code = _ucode($char); my $ret = "";
|
| 271 |
if ($code < 0x7F) { ## G0 = ASCII
|
| 272 |
$ret = pack("C", $code);
|
| 273 |
} elsif ($output{jisx0201latin} && $_cp{jisx0201latin} < $code
|
| 274 |
&& $code < $_cp{jisx0201latin_last}) { ## G0 = JIS X 0201 latin
|
| 275 |
$ret = pack("C", $code - $_cp{jisx0201latin} + 0x21);
|
| 276 |
} elsif ($output{jisx02081978}
|
| 277 |
&& ($_cp{jisx02081978} < $code && $code < $_cp{jisx02081978_last})
|
| 278 |
) { ## G1 = JIS X 0208-1978
|
| 279 |
my $ku = $code - $_cp{jisx02081978};
|
| 280 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 281 |
$ret = pack("CC", $ku, $ten);
|
| 282 |
} elsif ($output{jisx02081983}
|
| 283 |
&& ($_cp{jisx02081983} < $code && $code < $_cp{jisx02081983_last})
|
| 284 |
) { ## G1 = JIS X 0208-1983
|
| 285 |
my $ku = $code - $_cp{jisx02081983};
|
| 286 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 287 |
$ret = pack("CC", $ku, $ten);
|
| 288 |
} elsif ($output{jisx02081990}
|
| 289 |
&& ($_cp{jisx02081990} < $code && $code < $_cp{jisx02081990_last})
|
| 290 |
) { ## G1 = JIS X 0208-1990 / JIS X 0208:1997
|
| 291 |
my $ku = $code - $_cp{jisx02081990};
|
| 292 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 293 |
$ret = pack("CC", $ku, $ten);
|
| 294 |
} elsif ($output{jisx02132000_1}
|
| 295 |
&& ($_cp{jisx02132000_1} < $code && $code < $_cp{jisx02132000_1_last})
|
| 296 |
) { ## G1 = JIS X 0213:2000 plane 1
|
| 297 |
my $ku = $code - $_cp{jisx02132000_1};
|
| 298 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 299 |
$ret = pack("CC", $ku, $ten);
|
| 300 |
} elsif ($output{jisx0201kana} && $_cp{jisx0201kana} < $code
|
| 301 |
&& $code < $_cp{jisx0201kana_last}) { ## G2 = JIS X 0201 katakana
|
| 302 |
$ret = "\x8E" . pack("C", $code - $_cp{jisx0201kana} + 0xA1);
|
| 303 |
} elsif ($output{jisx02121990}
|
| 304 |
&& ($_cp{jisx02121990} < $code && $code < $_cp{jisx02121990_last})
|
| 305 |
) { ## G3 = JIS X 0213:2000 plane 2
|
| 306 |
my $ku = $code - $_cp{jisx02121990};
|
| 307 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 308 |
$ret = "\x8F" . pack("CC", $ku, $ten);
|
| 309 |
} elsif ($output{jisx02132000_2}
|
| 310 |
&& ($_cp{jisx02132000_2} < $code && $code < $_cp{jisx02132000_2_last})
|
| 311 |
) { ## G3 = JIS X 0213:2000 plane 2
|
| 312 |
my $ku = $code - $_cp{jisx02132000_2};
|
| 313 |
my $ten = ($ku % 94) + 0xA1; $ku = int($ku / 94) + 0xA1;
|
| 314 |
$ret = "\x8F" . pack("CC", $ku, $ten);
|
| 315 |
} else {
|
| 316 |
$ret = $output{undefchar};
|
| 317 |
}
|
| 318 |
$ret;
|
| 319 |
}goex;
|
| 320 |
$s;
|
| 321 |
}
|
| 322 |
|
| 323 |
=head2 internal_to_junet ($sering, [%option])
|
| 324 |
|
| 325 |
Convert internal coded string to junet coded string.
|
| 326 |
|
| 327 |
=head3 options
|
| 328 |
|
| 329 |
* g0_96
|
| 330 |
* utf8
|
| 331 |
|
| 332 |
=cut
|
| 333 |
|
| 334 |
sub internal_to_junet ($;%) {
|
| 335 |
my $s = shift;
|
| 336 |
#$s = \$s unless ref $s;
|
| 337 |
my %output = @_; my $mode = "\x1B\x28\x42";
|
| 338 |
$output{undefchar} ||= 0x3F-0x21;
|
| 339 |
$output{undefcharset} ||= "\x1B\x28\x42";
|
| 340 |
$s =~ s{([\x00-\x7F]|(?:[\xC0-\xFF][\x80-\xBF]*))}{
|
| 341 |
my $char = $1; my $code = _ucode($char); my $ret = "";
|
| 342 |
if ($code < 0x9F) { ## ASCII
|
| 343 |
$ret = _2022_putchar(\$mode => "\x1B\x28\x42", $code-0x21);
|
| 344 |
} elsif ($code < 0xFF) { ## ISO 8859-1 right half
|
| 345 |
$ret = _2022_putchar(\$mode => "\x1B\x2C\x41", $code-0xA0);
|
| 346 |
} elsif ($_cp{94x1} < $code && $code < $_cp{94x1} + 94*78 -1) {
|
| 347 |
## 94 charsets
|
| 348 |
my $final = pack("C", int(($code - $_cp{94x1}) / 94) + 0x30);
|
| 349 |
$ret = _2022_putchar(\$mode => "\x1B\x28".$final,
|
| 350 |
($code - $_cp{94x1}) % 94);
|
| 351 |
} elsif ($output{g0_96}
|
| 352 |
&& $_cp{96x1} < $code && $code < $_cp{96x1} + 96*78 -1) {
|
| 353 |
## 96 charsets
|
| 354 |
my $final = pack("C", int(($code - $_cp{96x1}) / 96) + 0x30);
|
| 355 |
$ret = _2022_putchar(\$mode => "\x1B\x2C".$final,
|
| 356 |
($code - $_cp{96x1}) % 96);
|
| 357 |
} elsif ($_cp{94x2} < $code && $code < $_cp{94x2} + 94*94*78 -1) {
|
| 358 |
## 94x2 charsets
|
| 359 |
my $final = pack("C", int(($code - $_cp{94x2}) / (94*94)) + 0x30);
|
| 360 |
$ret = _2022_putchar(\$mode => "\x1B\x24\x28".$final,
|
| 361 |
($code - $_cp{94x2}) % (94*94));
|
| 362 |
} elsif ($_cp{jisx02081990} < $code
|
| 363 |
&& $code < $_cp{jisx02081990} + 94*94 -1) {
|
| 364 |
$ret = _2022_putchar(\$mode => "\x1B\x26\x40\x1B\x24B",
|
| 365 |
($code - $_cp{94x2}) % (94*94));
|
| 366 |
} elsif ($output{utf8}) {
|
| 367 |
$ret = _2022_putchar(\$mode => "\x1B\x25G", $char)
|
| 368 |
} else {
|
| 369 |
$ret = _2022_putchar(\$mode => $output{undefcharset} => $output{undefchar});
|
| 370 |
}
|
| 371 |
$ret;
|
| 372 |
}goesx;
|
| 373 |
$s .= _2022_putchar (\$mode => "\x1B\x28\x42" => '');
|
| 374 |
$s;
|
| 375 |
}
|
| 376 |
sub _2022_putchar ($$$) {
|
| 377 |
my ($mode, $newmode, $char) = @_;
|
| 378 |
my $ret = ""; my %is;
|
| 379 |
$is{multibyte} = 1 if $newmode =~ /\x24/;
|
| 380 |
$is{set96} = 1 if $newmode =~ /\x2C/;
|
| 381 |
if ($$mode ne $newmode) {
|
| 382 |
if ($$mode eq "\x1B\x25G") {
|
| 383 |
$ret = "\x1B\x25\x40\x1B\x28\x42";
|
| 384 |
}
|
| 385 |
if (($is{multibyte} && $newmode ne "\x1B\x24\x28\x42"
|
| 386 |
&& $newmode ne "\x1B\x24\x28\x40")
|
| 387 |
|| $is{set96} || $newmode eq "\x1B\x25G") {
|
| 388 |
## If it is not well-known escape sequence(s),
|
| 389 |
## designate ASCII for safe.
|
| 390 |
$ret .= "\x1B\x28\x42" unless $$mode eq "\x1B\x28\x42";
|
| 391 |
}
|
| 392 |
if ($newmode =~ /\x1B\x24\x28([\x40-\x42])/) {
|
| 393 |
$ret .= "\x1B\x24$1";
|
| 394 |
} else {
|
| 395 |
$ret .= $newmode;
|
| 396 |
}
|
| 397 |
$$mode = $newmode;
|
| 398 |
}
|
| 399 |
if (length $char) {
|
| 400 |
if ($is{multibyte} && $is{set96}) { ## 96x2
|
| 401 |
$ret .= pack("CC", int($char / 96) + 0x20, ($char % 96) + 0x20);
|
| 402 |
} elsif ($is{multibyte}) { ## 94x2
|
| 403 |
$ret .= pack("CC", int($char / 94) + 0x21, ($char % 94) + 0x21);
|
| 404 |
} elsif ($is{set96}) { ## 96x1
|
| 405 |
$ret .= pack("C", $char + 0x20);
|
| 406 |
} elsif ($newmode eq "\x1B\x25G") { ## utf-8
|
| 407 |
$ret .= $char; ## if utf-8, $char is char itself!
|
| 408 |
} else { ## 94x1
|
| 409 |
$ret .= pack("C", $char + 0x21);
|
| 410 |
}
|
| 411 |
}
|
| 412 |
$ret;
|
| 413 |
}
|
| 414 |
|
| 415 |
sub eucjapan_to_internal ($;%) {
|
| 416 |
my $s = shift;
|
| 417 |
my %option = @_;
|
| 418 |
my $year = $option{edition} || 2000; ## 1978, 1983, 1990=1997, 2000
|
| 419 |
$option{G0start} ||= 0x21; $option{G2start} ||= $_cp{jisx0201kana};
|
| 420 |
if ($option{G1start} && $option{G3start}) {}
|
| 421 |
elsif ($year < 1983)
|
| 422 |
{$option{G1start} ||= $_cp{jisx02081978}; $option{G3start} ||= -1}
|
| 423 |
elsif (1983 <= $year && $year < 1990)
|
| 424 |
{$option{G1start} ||= $_cp{jisx02081983}; $option{G3start} ||= -1}
|
| 425 |
elsif (1990 <= $year && $year < 2000)
|
| 426 |
{$option{G1start} ||= $_cp{jisx02081990}; $option{G3start} ||= -1}
|
| 427 |
else #elsif (2000 <= $year)
|
| 428 |
{$option{G1start} ||= $_cp{jisx02132000_1}; $option{G3start} ||= -1}
|
| 429 |
$s =~ s{([\x21-\x7E]|\x8E[\xA1-\xFE]|\x8F?[\xA1-\xFE][\xA1-\xFE])}{
|
| 430 |
my $char = $1; my $ret = "";
|
| 431 |
if ($char =~ /[\x21-\x7E]/) {
|
| 432 |
$ret = _u8(unpack("C", $char) - 0x21 + $option{G0start});
|
| 433 |
} elsif ($char =~ /\x8F/) {
|
| 434 |
my $ku = unpack("C", substr($char,1,1)) - 0xA1;
|
| 435 |
my $ten = unpack("C", substr($char,2,1)) - 0xA1;
|
| 436 |
if ($option{G3start} == -1) {
|
| 437 |
if (77 <= $ku || $ku == 0 || $ku == 2 || $ku == 3 || $ku == 4
|
| 438 |
|| $ku == 7 || $ku == 11 || $ku == 12 || $ku == 13 || $ku == 14) {
|
| 439 |
$ret = _u8($ku * 94 + $ten + $_cp{jisx02132000_2});
|
| 440 |
} else {
|
| 441 |
$ret = _u8($ku * 94 + $ten + $_cp{jisx02121990});
|
| 442 |
}
|
| 443 |
} else {
|
| 444 |
$ret = _u8($ku * 94 + $ten + $option{G3start});
|
| 445 |
}
|
| 446 |
} elsif ($char =~ /\x8E/) {
|
| 447 |
$ret = _u8(unpack("C", substr($char,1,1)) - 0xA1 + $option{G2start});
|
| 448 |
} else {
|
| 449 |
my $ku = unpack("C", substr($char,0,1)) - 0xA1;
|
| 450 |
my $ten = unpack("C", substr($char,1,1)) - 0xA1;
|
| 451 |
$ret = _u8($ku * 94 + $ten + $option{G1start});
|
| 452 |
}
|
| 453 |
$ret;
|
| 454 |
}goex;
|
| 455 |
$s;
|
| 456 |
}
|
| 457 |
|
| 458 |
=item M17N::Code::JA::shiftjis_to_internal ($string, [%options])
|
| 459 |
|
| 460 |
Converts string from shift-jis to internal code.
|
| 461 |
|
| 462 |
Available options:
|
| 463 |
|
| 464 |
=over 4
|
| 465 |
|
| 466 |
=item -edition => 1978 / 1983 / 1990 / 2000
|
| 467 |
|
| 468 |
Edition of double byte character set (Default: 2000)
|
| 469 |
|
| 470 |
=item -extension => [none] / cp932 / mac / imode / doti / jsky
|
| 471 |
|
| 472 |
Type of private (non official) extension (Default: no private extensions)
|
| 473 |
|
| 474 |
=back
|
| 475 |
|
| 476 |
=cut
|
| 477 |
|
| 478 |
## G0 = 0x21-0x7E
|
| 479 |
## G1 = 0xA1-0xDE
|
| 480 |
## G2 = 0x8141-0x9FFC, 0xE041-0xEFFC
|
| 481 |
## G3 = 0xF041-0xFCFC
|
| 482 |
my %S2I; ## cache
|
| 483 |
sub shiftjis_to_internal ($;%) {
|
| 484 |
my $s = shift; my %o = @_;
|
| 485 |
my $year = $o{-edition} || 2000;
|
| 486 |
my $legacy = 0; ## legacy variants before X0213 G3
|
| 487 |
$o{-G0start} ||= 0x21; $o{-G1start} ||= $_cp{jisx0201kana};
|
| 488 |
if ($o{-G2start} && $o{-G3start}) {}
|
| 489 |
elsif ($year < 1983)
|
| 490 |
{$o{-G2start} ||= $_cp{jisx02081978}; $o{-G3start} ||= $_cp{jisx02132000_2}}
|
| 491 |
elsif (1983 <= $year && $year < 1990)
|
| 492 |
{$o{-G2start} ||= $_cp{jisx02081983}; $o{-G3start} ||= $_cp{jisx02132000_2}}
|
| 493 |
elsif (1990 <= $year && $year < 2000)
|
| 494 |
{$o{-G2start} ||= $_cp{jisx02081990}; $o{-G3start} ||= $_cp{jisx02132000_2}}
|
| 495 |
else #elsif (2000 <= $year)
|
| 496 |
{$o{-G2start} ||= $_cp{jisx02132000_1}; $o{-G3start} ||= $_cp{jisx02132000_2}}
|
| 497 |
if ($o{-extension} eq 'imode' || $o{-extension} eq 'doti') {
|
| 498 |
$o{-G3start} = $_cp{x_imode_doti}; $legacy = 1;
|
| 499 |
}
|
| 500 |
$s =~ s{
|
| 501 |
([\x21-\x7E])
|
| 502 |
| ([\x81-\x9F\xE0-\xEF][\x40-\x7E\x80-\xFC])
|
| 503 |
| ([\xF0-\xFC][\x40-\x7E\x80-\xFC])
|
| 504 |
| ([\xA1-\xDF])
|
| 505 |
| ([\x80-\xFF])
|
| 506 |
}{
|
| 507 |
my ($g0, $g2, $g3, $g1, $broken) = ($1, $2, $3, $4, $5);
|
| 508 |
my $ret = '';
|
| 509 |
if ($g0) {
|
| 510 |
$S2I{$g0}->{$o{-G0start}} = _u8(unpack('C', $g0) - 0x21 + $o{-G0start})
|
| 511 |
unless $S2I{$g0}->{$o{-G0start}};
|
| 512 |
$ret = $S2I{$g0}->{$o{-G0start}};
|
| 513 |
} elsif ($g2) {
|
| 514 |
unless ($S2I{$g2}->{$o{-G2start}}) {
|
| 515 |
my ($f, $s) = unpack ('CC', $g2);
|
| 516 |
if (0x9E < $s) {
|
| 517 |
$f = $f * 2 - ($f >= 0xE0 ? 0x181 : 0x101); $s -= 0x9F;
|
| 518 |
} else {
|
| 519 |
$f = $f * 2 - ($f >= 0xE0 ? 0x182 : 0x102); $s -= 0x40 + ($s > 0x7F);
|
| 520 |
}
|
| 521 |
$S2I{$g2}->{$o{-G2start}} = _u8 ($f * 94 + $s + $o{-G2start});
|
| 522 |
}
|
| 523 |
$ret = $S2I{$g2}->{$o{-G2start}};
|
| 524 |
} elsif ($g3) {
|
| 525 |
unless ($S2I{$g3}->{$o{-G3start}}) {
|
| 526 |
my ($f, $s) = unpack ('CC', $g3);
|
| 527 |
if ($legacy) {
|
| 528 |
$s -= 0x40 + ($s > 0x7F);
|
| 529 |
$S2I{$g3}->{$o{-G3start}} = _u8 (($f - 0xF0) * 188 + $s + $o{-G3start});
|
| 530 |
} else { ## X0213
|
| 531 |
if (0x9F <= $s) {
|
| 532 |
$f = $SJIS_G3_to_KUe{$f}; $s -= 0x9F;
|
| 533 |
} else {
|
| 534 |
$f = $SJIS_G3_to_KUo{$f}; $s -= 0x40 + ($s > 0x7F);
|
| 535 |
}
|
| 536 |
$S2I{$g3}->{$o{-G3start}} = _u8 ($f * 94 + $s + $o{-G3start});
|
| 537 |
}
|
| 538 |
}
|
| 539 |
$ret = $S2I{$g3}->{$o{-G3start}};
|
| 540 |
} elsif ($g1) {
|
| 541 |
$S2I{$g1}->{$o{-G1start}} = _u8(unpack('C', $g1) - 0xA1 + $o{-G1start})
|
| 542 |
unless $S2I{$g1}->{$o{-G1start}};
|
| 543 |
$ret = $S2I{$g1}->{$o{-G1start}};
|
| 544 |
}
|
| 545 |
$ret;
|
| 546 |
}gex;
|
| 547 |
$s;
|
| 548 |
}
|
| 549 |
|
| 550 |
=item $s = M17N::Code::JA::internal_to_shiftjis ($s, [%options])
|
| 551 |
|
| 552 |
Converts internal coded string to shift-jis coded string.
|
| 553 |
|
| 554 |
=cut
|
| 555 |
|
| 556 |
my (%_I2S_1, %_I2S_2, %_I2S_2L, %_I2S); ## caches
|
| 557 |
sub internal_to_shiftjis ($;%) {
|
| 558 |
my $s = shift; my %o = @_;
|
| 559 |
my $year = $o{-edition}; ## 0 (= all unify), 1983, 1990 = 1997, 2000
|
| 560 |
$o{-x0201_latin} ||= 1; $o{-x0201_katakana} ||= 1;
|
| 561 |
$o{-x0208_78} = 1 if $year < 1983;
|
| 562 |
$o{-x0208_83} = 1 if !$year || (1983 <= $year && $year < 1990);
|
| 563 |
$o{-x0208_90} = 1 if !$year || (1990 <= $year && $year < 2000);
|
| 564 |
if (!$year || ($year >= 2000)) {
|
| 565 |
$o{-x0213_A0_1} = 1; $o{-x0213_A0_2} = 1;
|
| 566 |
}
|
| 567 |
if ($o{-extension}) { ## one of private extensions
|
| 568 |
$o{-x0213_A0_2} = 0; $o{ '-' . $o{-extension} } = 1;
|
| 569 |
}
|
| 570 |
$o{-undefchar} ||= "\x81\xAC";
|
| 571 |
$s =~ s{([\xC0-\xFF][\x80-\xBF]*)}{
|
| 572 |
my ($code, $ret) = (_ucode($1), '');
|
| 573 |
#if ($code < 0x7F) { ## G0 = ASCII
|
| 574 |
# $ret = pack("C", $code);
|
| 575 |
#} els
|
| 576 |
if ($o{-x0201_latin}
|
| 577 |
&& $_cp{jisx0201latin} <= $code && $code < $_cp{jisx0201latin_last}) {
|
| 578 |
$_I2S{$code} = pack("C", $code - $_cp{jisx0201latin} + 0x21)
|
| 579 |
unless $_I2S{$code};
|
| 580 |
$ret = $_I2S{$code};
|
| 581 |
} elsif ($o{-x0208_78}
|
| 582 |
&& $_cp{jisx02081978} <= $code && $code < $_cp{jisx02081978_last}) {
|
| 583 |
$code -= $_cp{jisx02081978};
|
| 584 |
unless ($_I2S_1{$code}) {
|
| 585 |
my ($c1, $c2) = (int($code / 94) + 0x21, ($code % 94) + 0x21);
|
| 586 |
$_I2S_1{$code} = pack('CC', (($c1 - 1) >> 1) + ($c1 < 0x5F ? 0x71 : 0xb1),
|
| 587 |
$c2 + (($c1 & 1) ? ($c2 < 0x60 ? 0x1F : 0x20) : 0x7E));
|
| 588 |
}
|
| 589 |
$ret = $_I2S_1{$code};
|
| 590 |
} elsif ($o{-x0208_83}
|
| 591 |
&& $_cp{jisx02081983} <= $code && $code < $_cp{jisx02081983_last}) {
|
| 592 |
$code -= $_cp{jisx02081983};
|
| 593 |
unless ($_I2S_1{$code}) {
|
| 594 |
my ($c1, $c2) = (int($code / 94) + 0x21, ($code % 94) + 0x21);
|
| 595 |
$_I2S_1{$code} = pack('CC', (($c1 - 1) >> 1) + ($c1 < 0x5F ? 0x71 : 0xb1),
|
| 596 |
$c2 + (($c1 & 1) ? ($c2 < 0x60 ? 0x1F : 0x20) : 0x7E));
|
| 597 |
}
|
| 598 |
$ret = $_I2S_1{$code};
|
| 599 |
} elsif ($o{-x0208_90}
|
| 600 |
&& $_cp{jisx02081990} <= $code && $code < $_cp{jisx02081990_last}) {
|
| 601 |
$code -= $_cp{jisx02081990};
|
| 602 |
unless ($_I2S_1{$code}) {
|
| 603 |
my ($c1, $c2) = (int($code / 94) + 0x21, ($code % 94) + 0x21);
|
| 604 |
$_I2S_1{$code} = pack('CC', (($c1 - 1) >> 1) + ($c1 < 0x5F ? 0x71 : 0xb1),
|
| 605 |
$c2 + (($c1 & 1) ? ($c2 < 0x60 ? 0x1F : 0x20) : 0x7E));
|
| 606 |
}
|
| 607 |
$ret = $_I2S_1{$code};
|
| 608 |
} elsif ($o{-x0213_A0_1}
|
| 609 |
&& $_cp{jisx02132000_1} <=$code && $code < $_cp{jisx02132000_1_last}) {
|
| 610 |
$code -= $_cp{jisx02132000_1};
|
| 611 |
unless ($_I2S_1{$code}) {
|
| 612 |
my ($c1, $c2) = (int($code / 94) + 0x21, ($code % 94) + 0x21);
|
| 613 |
$_I2S_1{$code} = pack('CC', (($c1 - 1) >> 1) + ($c1 < 0x5F ? 0x71 : 0xb1),
|
| 614 |
$c2 + (($c1 & 1) ? ($c2 < 0x60 ? 0x1F : 0x20) : 0x7E));
|
| 615 |
}
|
| 616 |
$ret = $_I2S_1{$code};
|
| 617 |
} elsif ($o{-x0201_katakana}
|
| 618 |
&& $_cp{jisx0201kana} <= $code && $code < $_cp{jisx0201kana_last1}) {
|
| 619 |
$_I2S{$code} = pack("C", $code - $_cp{jisx0201kana} + 0xA1)
|
| 620 |
unless $_I2S{$code};
|
| 621 |
$ret = $_I2S{$code};
|
| 622 |
} elsif ($o{-x0213_A0_2}
|
| 623 |
&& ($_cp{jisx02132000_2} <= $code && $code < $_cp{jisx02132000_2_last})) {
|
| 624 |
$code -= $_cp{jisx02132000_2};
|
| 625 |
unless ($_I2S_2{$code}) {
|
| 626 |
my ($c1, $c2) = (int($code / 94), ($code % 94) + 0x21);
|
| 627 |
$_I2S_2{$code} = pack('CC', $_KU_to_SJIS_G3{ $c1 },
|
| 628 |
$c2 + (($c1 & 1) ? 0x7E : ($c2 < 0x60 ? 0x1F : 0x20)));
|
| 629 |
}
|
| 630 |
$ret = $_I2S_2{$code};
|
| 631 |
} elsif ($o{-imode} && $_cp{x_imode} <= $code && $code < $_cp{x_imode_last}) {
|
| 632 |
$code -= $_cp{x_imode_doti};
|
| 633 |
unless ($_I2S_2L{$code}) {
|
| 634 |
my $c2 = $code % 188; $_I2S_2L{$code} = pack('CC',
|
| 635 |
int($code / 188) + 0xF0, $c2 + ($c2 > 0x3E ? 0x41 : 0x40));
|
| 636 |
}
|
| 637 |
$ret = $_I2S_2L{$code};
|
| 638 |
} elsif ($o{-doti} && $_cp{x_doti} <= $code && $code < $_cp{x_doti_last}) {
|
| 639 |
$code -= $_cp{x_imode_doti};
|
| 640 |
unless ($_I2S_2L{$code}) {
|
| 641 |
my $c2 = $code % 188; $_I2S_2L{$code} = pack('CC',
|
| 642 |
int($code / 188) + 0xF0, $c2 + ($c2 > 0x3E ? 0x41 : 0x40));
|
| 643 |
}
|
| 644 |
$ret = $_I2S_2L{$code};
|
| 645 |
} else {
|
| 646 |
$ret = $o{-undefchar};
|
| 647 |
}
|
| 648 |
$ret;
|
| 649 |
}goex;
|
| 650 |
$s;
|
| 651 |
}
|
| 652 |
|
| 653 |
=head1 SEE ALSO
|
| 654 |
|
| 655 |
=over 4
|
| 656 |
|
| 657 |
=item ASTEL Emoji
|
| 658 |
|
| 659 |
<http://www.ttnet.co.jp/tokyodenwa_astel/doti/siyou/emoji.htm>
|
| 660 |
|
| 661 |
=back
|
| 662 |
|
| 663 |
=head1 LICENSE
|
| 664 |
|
| 665 |
This program is free software; you can redistribute it and/or
|
| 666 |
modify it under the same terms as Perl itself.
|
| 667 |
|
| 668 |
=head1 CHANGE
|
| 669 |
|
| 670 |
See F<ChangeLog>.
|
| 671 |
$Date: 2002/07/20 08:49:09 $
|
| 672 |
|
| 673 |
=cut
|
| 674 |
|
| 675 |
1;
|
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| 
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