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229 lines
6.0 KiB
Perl
229 lines
6.0 KiB
Perl
#!/usr/local/bin/perl
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# -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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#
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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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%gb18030tounicode = {};
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%unicodetogb18030 = {};
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%unicodetocp936 = {};
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%cp936tounicode = {};
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%tounicodecommon = {};
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%gb18030tounicodeuniq = {};
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%gb180304btounicode = {};
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%cp936tounicodeuniq = {};
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%map = {};
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$rowwidth = ((0xff - 0x80)+(0x7f - 0x40));
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sub cp936tonum()
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{
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my($cp936) = (@_);
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my($first,$second,$jnum);
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$first = hex(substr($cp936,2,2));
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$second = hex(substr($cp936,4,2));
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$jnum = ($first - 0x81 ) * $rowwidth;
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if($second >= 0x80)
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{
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$jnum += $second - 0x80 + (0x7f-0x40);
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}
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else
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{
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$jnum += $second - 0x40;
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}
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return $jnum;
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}
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sub addeudc()
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{
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my($l,$h,$hl,$us);
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$u = 0xE000;
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$us = sprintf "%04X", $u;
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# For AAA1-AFFE
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for($h=0xAA; $h <=0xAF;$h++)
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{
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for($l=0xA1; $l <=0xFE;$l++,$u++)
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{
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$us = sprintf "%04X", $u;
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$hl = sprintf "%02X%02X", $h, $l;
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$unicodetocp936{$us} = $hl;
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}
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}
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# For F8A1-FEFE
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$us = sprintf "%04X", $u;
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for($h=0xF8; $h <=0xFE;$h++)
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{
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for($l=0xA1; $l <=0xFE;$l++,$u++)
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{
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$us = sprintf "%04X", $u;
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$hl = sprintf "%02X%02X", $h, $l;
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$unicodetocp936{$us} = $hl;
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}
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}
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# For A140-A7A0
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$us = sprintf "%04X", $u;
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for($h=0xA1; $h <=0xA7;$h++)
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{
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for($l=0x40; $l <=0x7E;$l++,$u++)
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{
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$us = sprintf "%04X", $u;
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$hl = sprintf "%02X%02X", $h, $l;
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$unicodetocp936{$us} = $hl;
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}
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# We need to skip 7F
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for($l=0x80; $l <=0xA0;$l++,$u++)
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{
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$us = sprintf "%04X", $u;
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$hl = sprintf "%02X%02X", $h, $l;
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$unicodetocp936{$us} = $hl;
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}
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}
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}
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sub readcp936()
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{
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open(CP936, "<CP936.txt") || die "Cannot open CP936 file";
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while(<CP936>)
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{
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if(! /^#/) {
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chop();
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($gb, $u) = split(/\t/, $_);
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if($u =~ /^0x/) {
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$u1 = substr($u, 2, 4);
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$gb1 = substr($gb, 2, 4);
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$cp936tounicode{$gb1} = $u1;
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if($unicodetocp936{$u1} == "") {
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$unicodetocp936{$u1} = $gb1;
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} else {
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"WARNING: Unicode " . $u1 . " already map to CP936 " .
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$unicodetocp936{$u1} . " when we try to map to " . $gb1 . "\n";
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}
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}
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}
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}
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}
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sub readgb18030()
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{
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open(GB18030, "<GB18030") || die "Cannot open GB18030 file";
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while(<GB18030>)
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{
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if(/^[0-9A-F]/) {
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chop();
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($u, $gb) = split(/\s/, $_);
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$gb18030tounicode{$gb} = $u;
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if( $unicodetogb18030{$u} == "" ) {
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$unicodetogb18030{$u} = $gb;
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} else {
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"WARNING: Unicode " . $u1 . " already map to CP936 " .
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$unicodetocp936{$u1} . " when we try to map to " . $gb1 . "\n";
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}
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}
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}
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}
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sub splittable()
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{
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my($i, $u);
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for($i = 0; $i < 0x10000; $i++) {
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$u = sprintf "%04X", $i;
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if($unicodetogb18030{$u} eq $unicodetocp936{$u}) {
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if($unicodetogb18030{$u} ne "") {
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$tounicodecommon{$unicodetogb18030{$u}} = $u;
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} else {
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# print $u . "|" . $unicodetogb18030{$u} . "|" . $unicodetocp936{$u} . "\n";
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}
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} else {
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if($unicodetogb18030{$u} ne "" ) {
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if($unicodetogb18030{$u}.length > 4) {
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$gb180304btounicode{$unicodetogb18030{$u}} = $u;
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} else {
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$gb18030tounicodeuniq{$unicodetogb18030{$u}} = $u;
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}
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}
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if($unicodetocp936{$u} ne "" ) {
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$cp936tounicodeuniq{$unicodetocp936{$u}} = $u;
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}
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}
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}
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}
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sub gb4bytestoidx()
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{
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my($gb) = @_;
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my($b1,$b2, $b3, $b4,$idx);
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$b1 = hex(substr($gb, 0, 2)) - 0x81;
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$b2 = hex(substr($gb, 2, 2)) - 0x30;
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$b3 = hex(substr($gb, 4, 2)) - 0x81;
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$b4 = hex(substr($gb, 6, 2)) - 0x30;
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$idx = sprintf "%04X" , ((($b1 * 10) + $b2 ) * 126 + $b3) * 10 + $b4;
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return $idx;
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}
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sub printcommontable()
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{
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open ( GBKCOMMON, ">gbkcommon.txt" ) || die "cannot open gbkcommon.txt";
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foreach $gb (sort(keys %tounicodecommon)) {
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print GBKCOMMON "0x" . $gb . "\t0x" . $tounicodecommon{$gb} . "\n";
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}
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close GBKCOMMON;
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}
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sub printcp936table()
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{
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open ( CP936UNIQ, ">cp936uniq.txt" ) || die "cannot open cp936uniq.txt";
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foreach $gb (sort(keys %cp936tounicodeuniq)) {
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print CP936UNIQ "0x" . $gb . "\t0x" . $cp936tounicodeuniq{$gb} . "\n";
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}
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close CP936UNIQ;
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}
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sub printgb180304btable()
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{
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open ( GB180304B, ">gb180304b.txt" ) || die "cannot open gb180304b.txt";
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foreach $gb (sort(keys %gb180304btounicode)) {
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if($gb180304btounicode{$gb} ne "FFFF" ) {
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print GB180304B "0x" . &gb4bytestoidx($gb) . "\t0x" . $gb180304btounicode{$gb} . "\t# 0x" . $gb . "\n";
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}
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}
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close GB180304B;
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}
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sub printgb18030table()
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{
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open ( GB18030UNIQ, ">gb18030uniq.txt" ) || die "cannot open gb18030uniq.txt";
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foreach $gb (sort(keys %gb18030tounicodeuniq)) {
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print GB18030UNIQ "0x" . $gb . "\t0x" . $gb18030tounicodeuniq{$gb} . "\n";
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}
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close GB18030UNIQ;
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}
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sub genufut()
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{
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print ( "umaptable -uf < gb18030uniq.txt > gb18030uniq2b.uf\n");
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system( "umaptable -uf < gb18030uniq.txt > gb18030uniq2b.uf");
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print ( "umaptable -ut < gb18030uniq.txt > gb18030uniq2b.ut\n");
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system( "umaptable -ut < gb18030uniq.txt > gb18030uniq2b.ut");
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print ( "umaptable -uf < cp936uniq.txt > gbkuniq2b.uf\n") ;
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system( "umaptable -uf < cp936uniq.txt > gbkuniq2b.uf") ;
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print ( "umaptable -ut < cp936uniq.txt > gbkuniq2b.ut\n") ;
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system( "umaptable -ut < cp936uniq.txt > gbkuniq2b.ut") ;
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print ( "umaptable -uf < gb180304b.txt > gb180304bytes.uf\n") ;
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system( "umaptable -uf < gb180304b.txt > gb180304bytes.uf") ;
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print ( "umaptable -ut < gb180304b.txt > gb180304bytes.ut\n") ;
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system( "umaptable -ut < gb180304b.txt > gb180304bytes.ut") ;
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print ( "perl cp936tocdx.pl > cp936map.h\n");
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system( "perl cp936tocdx.pl > cp936map.h");
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}
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&readgb18030();
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&readcp936();
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&addeudc();
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&splittable();
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&printcommontable();
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&printgb180304btable();
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&printgb18030table();
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&printcp936table();
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&genufut();
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