tenfourfox/intl/uconv/tools/jamap.pl
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

335 lines
8.0 KiB
Perl

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