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-rw-r--r--intl/uconv/tools/jamap.pl334
1 files changed, 334 insertions, 0 deletions
diff --git a/intl/uconv/tools/jamap.pl b/intl/uconv/tools/jamap.pl
new file mode 100644
index 000000000..7316d891f
--- /dev/null
+++ b/intl/uconv/tools/jamap.pl
@@ -0,0 +1,334 @@
+#!/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/. */
+
+!
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