mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-25 20:29:33 +00:00
335 lines
8.0 KiB
Perl
335 lines
8.0 KiB
Perl
#!/usr/local/bin/perl
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use strict;
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my @source_files;
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my @sjis_h;
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$sjis_h[0] = -1;
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@sjis_h[0x81..0x9f] = map { 0x2100 + $_ * 0x200 } (0 .. 30);
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@sjis_h[0xe0..0xef] = map { 0x5F00 + $_ * 0x200 } (0 .. 15);
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@sjis_h[0xf0..0xf9] = (-2) x 10;
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my @sjis_l;
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@sjis_l[0x40..0x7e] = (0x21..0x5f);
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@sjis_l[0x80..0xfc] = (0x60..0x7e, 0x121..0x17e);
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sub sjis_to_jis {
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my ($s) = @_;
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my $j;
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my $type;
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my $h = $sjis_h[($s>>8)&0xff];
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if ( $h > 0 ) { # jis0208
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my $l = $sjis_l[$s&0xff];
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if ( $l == 0 ) {
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$j = $s;
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$type = 'sjis2undef';
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} else {
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$j = $h + $l;
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if ( $j >= 0x3000 && $j < 0x7500 ) { # jis0208 kanji
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$type = 'jis0208';
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} elsif ( $j < 0x2900 ) { # jis0208
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$type = 'jis0208';
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} else {
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$type = 'jis0208undef';
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}
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}
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} elsif ( $h == -1 ) { # single byte
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$j = $s;
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if ( $s <= 0x7f ) { # jis0201 roman
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$type = 'jis0201';
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} elsif ( $s >= 0xa1 && $s <= 0xdf ) { # jis0201 kana
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$type = 'jis0201';
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} else { # sjis single byte undefined
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$type = 'sjis1undef';
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}
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} elsif ( $h == -2 ) { # private use
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$j = $s;
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$type = 'private';
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} else { # sjis undefined
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$j = $s;
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$type = 'sjis2undef';
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}
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return ($j, $type);
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}
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sub read_sjis_map {
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my ($filename, $s_col, $u_col) = @_;
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my %map;
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open MAP, $filename or die $!;
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while (<MAP>) {
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my @cols = split /\s+/;
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my ($s, $u) = @cols[$s_col, $u_col];
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$s =~ /^0x[0-9A-Fa-f]+$/ && $u =~ /^0x[0-9A-Fa-f]+$/ or next;
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$s = oct($s);
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$u = oct($u);
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my ($j, $type) = sjis_to_jis($s);
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push @{$map{$type}}, [$j, $s, $u];
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}
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close MAP or warn $!;
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push @source_files, $filename;
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return %map;
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}
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sub read_0212_map {
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my ($filename, $j_col, $u_col) = @_;
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my $map;
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open MAP, $filename or die $!;
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while (<MAP>) {
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my @cols = split /\s+/;
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my ($j, $u) = @cols[$j_col, $u_col];
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$j =~ /^0x[0-9A-Fa-f]+$/ && $u =~ /^0x[0-9A-Fa-f]+$/ or next;
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$j = oct($j);
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$u = oct($u);
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$u = 0xff5e if $u == 0x007e;
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push @$map, [$j, 0, $u];
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}
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close MAP or warn $!;
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push @source_files, $filename;
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return $map;
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}
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my %printed;
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sub write_fromu_map {
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my ($filename, $code, @maps) = @_;
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open MAP, ">$filename" or die $!;
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foreach my $map (@maps) {
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foreach my $pair (@$map) {
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my ($j, $s, $u) = @$pair;
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if ( $code eq 'sjis' ) {
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$j = $s;
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}
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if ( defined($printed{$u}) ) {
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if ( $printed{$u} ne $j ) {
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printf "conflict 0x%04x to 0x%04x, 0x%04x\n", $u, $printed{$u}, $j;
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}
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} else {
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if ( $j < 0x100 ) {
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printf MAP "0x%02X\t0x%04X\n", $j, $u;
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} else {
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printf MAP "0x%04X\t0x%04X\n", $j, $u;
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}
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$printed{$u} = $j;
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}
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}
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}
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close MAP or warn $!;
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}
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my @table;
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my %table;
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my $table_next_count = 0;
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sub get_94table_index {
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my ($map_table) = @_;
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my $key = join ',', map {int($map_table->[$_])} (0 .. 93);
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my $table_index = $table{$key};
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if ( !defined($table_index) ) {
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$table_index = $table_next_count;
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$table_next_count += 94;
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$table[$table_index] = $map_table;
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$table{$key} = $table_index;
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}
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return $table_index;
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}
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sub get_188table_index {
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my ($map_table) = @_;
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my $map_table1 = [ @{$map_table}[0 .. 93] ];
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my $map_table2 = [ @{$map_table}[94 .. 187] ];
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my $key = join ',', map {int($map_table->[$_])} (0 .. 187);
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my $key1 = join ',', map {int($map_table1->[$_])} (0 .. 93);
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my $key2 = join ',', map {int($map_table2->[$_])} (0 .. 93);
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my $table_index = $table{$key};
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if ( !defined($table_index) ) {
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$table_index = $table_next_count;
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$table_next_count += 188;
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$table[$table_index] = $map_table1;
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$table[$table_index + 94] = $map_table2;
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$table{$key} = $table_index;
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$table{$key1} = $table_index unless defined($table{$key1});
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$table{$key2} = $table_index + 94 unless defined($table{$key2});
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}
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return $table_index;
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}
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get_188table_index([]);
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sub print_sjis_table_index {
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my @maps = @_;
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my %map_table;
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foreach my $map (@maps) {
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foreach my $pair (@$map) {
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my ($j, $s, $u) = @$pair;
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my $row = $s >> 8;
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my $cell = $s&0xff;
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if ( $cell >= 0x40 && $cell <= 0x7e ) {
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$cell -= 0x40;
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} elsif ( $cell >= 0x80 && $cell <= 0xfc ) {
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$cell -= 0x41;
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} else {
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next;
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}
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if ( defined($map_table{$row}->[$cell]) && $map_table{$row}->[$cell] != $u ) {
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print "conflict!\n";
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}
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$map_table{$row}->[$cell] = $u;
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}
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}
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for ( my $i = 0x80; $i < 0x100; $i++ ) {
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if ( ($i & 0x7) == 0 ) {
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print MAP "\n ";
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}
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if ( $i >= 0xa1 && $i <= 0xdf ) {
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printf MAP " 0x%04X,", $i + 0xfec0;
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} elsif ( $i >= 0xf0 && $i <= 0xf9 ) {
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printf MAP " 0x%04X,", 0xe000 + ($i - 0xf0) * 188;
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} elsif ( $i == 0x80 ) {
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print MAP " 0xFFFD,";
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} elsif ( $i == 0xa0 ) {
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print MAP " 0xF8F0,";
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} elsif ( $i >= 0xfd ) {
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printf MAP " 0x%04X,", $i + (0xf8f1 - 0xfd);
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} else {
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my $table_index = get_188table_index($map_table{$i});
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printf MAP " %6d,", $table_index;
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}
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}
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}
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sub print_jis_table_index {
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my @maps = @_;
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my %map_table;
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foreach my $map (@maps) {
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foreach my $pair (@$map) {
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my ($j, $s, $u) = @$pair;
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my $row = $j >> 8;
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my $cell = ($j&0xff) - 0x21;
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if ( defined($map_table{$row}->[$cell]) && $map_table{$row}->[$cell] != $u ) {
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print "conflict!\n";
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}
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$map_table{$row}->[$cell] = $u;
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}
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}
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for ( my $i = 0; $i < 0x80; $i++ ) {
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if ( ($i & 0x7) == 0 ) {
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print MAP "\n ";
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}
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if ( $i >= 0x21 && $i <= 0x7e ) {
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my $table_index = get_94table_index($map_table{$i});
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printf MAP " %6d,", $table_index;
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} else {
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print MAP " 0xFFFD,";
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}
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}
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}
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sub print_table_index {
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my ($map_name, @maps) = @_;
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print MAP "static const uint16_t g${map_name}IndexShiftJis[] = {";
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print_sjis_table_index(@maps);
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print MAP "\n};\n";
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print MAP "static const uint16_t g${map_name}IndexJis0208[] = {";
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print_jis_table_index(@maps);
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print MAP "\n};\n";
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print MAP "static const uint16_t * const g${map_name}Index[] = {";
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print MAP "\n g${map_name}IndexShiftJis, g${map_name}IndexJis0208";
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print MAP "\n};\n\n";
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}
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sub print_0212_table_index {
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my ($map_name, @maps) = @_;
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print MAP "static const uint16_t g${map_name}Index[] = {";
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print_jis_table_index(@maps);
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print MAP "\n};\n\n";
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}
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sub print_table {
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print MAP "static const uint16_t gJapaneseMap[] = {";
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for ( my $i = 0; $i < $table_next_count; $i += 94 ) {
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my $index = $i;
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print MAP "\n /* index $index */\n ";
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my $map_table = $table[$i];
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my $print_count = 1;
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for ( my $j = 0; $j < 94; $j++ ) {
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my $u = $map_table->[$j];
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if ( $u == 0 ) { $u = 0xfffd; }
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printf MAP " 0x%04X,", $u;
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if ( ++$print_count == 8 ) {
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print MAP "\n ";
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$print_count = 0;
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}
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}
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}
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print MAP "\n};\n";
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}
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my %cp932 = read_sjis_map('CP932.TXT', 0, 1);
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my $jis0212 = read_0212_map('JIS0212.TXT', 0, 1);
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%printed = ();
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write_fromu_map('jis0201-uf-unify', 'jis',
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$cp932{jis0201},
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);
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write_fromu_map('jis0208-uf-unify', 'jis',
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$cp932{jis0208},
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);
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%printed = ();
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write_fromu_map('jis0208ext-uf-unify', 'jis',
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$cp932{jis0208undef},
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);
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%printed = ();
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write_fromu_map('sjis-uf-unify', 'sjis',
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@cp932{'jis0201', 'jis0208', 'jis0208undef', 'sjis1undef', 'sjis2undef'},
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);
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open MAP, ">japanese.map" or die $!;
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binmode MAP;
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while (<DATA>) {
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if ( /^!/ ) { last; }
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print MAP;
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}
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print MAP "/* generated by jamap.pl @source_files */\n\n";
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print MAP <<EOM;
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// IE-compatible handling of undefined codepoints:
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// 0x80 --> U+0080
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// 0xa0 --> U+F8F0
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// 0xfd --> U+F8F1
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// 0xfe --> U+F8F2
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// 0xff --> U+F8F3
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EOM
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print_table_index('CP932', @cp932{'jis0208', 'jis0208undef', 'sjis2undef'});
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print_0212_table_index('JIS0212', $jis0212);
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print_table();
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close MAP or warn $!;
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__DATA__
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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!
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