gecko-dev/intl/unicharutil/tools/gencattable.pl
ftang%netscape.com d50dbfa429 fix category bug
1999-05-06 00:17:40 +00:00

295 lines
7.7 KiB
Raku

#!/usr/bin/perl
#
# The contents of this file are subject to the Netscape Public License
# Version 1.0 (the "NPL"); you may not use this file except in
# compliance with the NPL. You may obtain a copy of the NPL at
# http://www.mozilla.org/NPL/
#
# Software distributed under the NPL is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
# for the specific language governing rights and limitations under the
# NPL.
#
# The Initial Developer of this code under the NPL is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1999 Netscape Communications Corporation. All Rights
# Reserved.
#
######################################################################
#
# Initial global variable
#
######################################################################
%gcount = ();
%pat = ();
%map = (
"M" => "1",
"N" => "2",
"Z" => "3",
"C" => "4",
"L" => "5",
"P" => "6",
"S" => "7"
);
%special = ();
######################################################################
#
# Open the unicode database file
#
######################################################################
open ( UNICODATA , "< UnicodeData-Latest.txt")
|| die "cannot find UnicodeData-Latest.txt";
######################################################################
#
# Open the output file
#
######################################################################
open ( OUT , "> ../src/cattable.h")
|| die "cannot open output ../src/cattable.h file";
######################################################################
#
# Generate license and header
#
######################################################################
$npl = <<END_OF_NPL;
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
DO NOT EDIT THIS DOCUMENT !!! THIS DOCUMENT IS GENERATED BY
mozilla/intl/unicharutil/tools/gencattable.pl
*/
END_OF_NPL
print OUT $npl;
print OUT "#include \"nscore.h\" \n\n";
%category = ();
%sh = ();
%sl = ();
%sc = ();
######################################################################
#
# Process the file line by line
#
######################################################################
while(<UNICODATA>) {
chop;
######################################################################
#
# Get value from fields
#
######################################################################
@f = split(/;/ , $_);
$c = $f[0]; # The unicode value
$n = $f[1]; # The unicode name
$g = $f[2]; # The General Category
$cat = substr($g, 0, 1);
if(( substr($n, 0, 1) ne "<") || ($n eq "<control>"))
{
#
# print $g;
#
$gcount{$g}++;
$gcount{$cat}++;
$category{$c} = $cat;
# print $g . " = " . $gcount{$g} . "\n";
} else {
# Handle special block
@pair=split(/, /, $n );
$catnum = $map{$cat};
# printf "[%s][%s] => %d\n", $pair[0], $pair[1], $catnum;
if( $pair[1] eq "First>") {
$sl{$pair[0]} = $c;
$sc{$pair[0]} = $catnum;
} elsif ( $pair[1] eq "Last>") {
$sh{$pair[0]} = $c;
if($sc{$pair[0]} ne $catnum)
{
print "WARNING !!!! error in handling special block\n\n";
}
} else {
print "WARNING !!!! error in handling special block\n\n";
}
}
}
# @cats = keys(%gcount);
# foreach $cat ( sort(@cats) ) {
# $count = $gcount{$cat};
# print "$cat ==> $count\n";
# }
@range = (
0x0000, 0x06ff,
0x0900, 0x11ff,
0x1e00, 0x27ff,
0x3000, 0x33ff,
0xf900, 0xffff
);
$totaldata = 0;
$tt=($#range+1) / 2;
$newidx = 0;
@patarray = ();
for($t = 1; $t <= $tt; $t++)
{
$tl = $range[($t-1) * 2];
$th = $range[($t-1) * 2 + 1];
$ts = ( $th - $tl ) >> 3;
$totaldata += $ts + 1;
printf OUT "static PRUint8 gGenCatIdx%d[%d] = {\n", $t, $ts + 1;
for($i = ($tl >> 3); $i <= ($th >> 3) ; $i ++ )
{
$data = 0;
for($j = 0; $j < 8 ; $j++)
{
$k = sprintf("%04X", (($i << 3) + $j));
$cat = $category{$k};
if( $cat ne "")
{
$data = $data + ($map{$cat} << (4*$j));
}
}
$pattern = sprintf("0x%08X", $data);
$idx = $pat{$pattern};
unless( exists($pat{$pattern})){
$idx = $newidx++;
$patarray[$idx] = $pattern;
$pat{$pattern} = $idx;
}
printf OUT " %3d, // U+%04X - U+%04X : %s\n" ,
$idx, ($i << 3),((($i +1)<< 3)-1), $pattern ;
}
printf OUT "};\n\n";
if($t ne $tt)
{
$tl = $range[($t-1) * 2 + 1] + 1;
$th = $range[$t * 2] - 1;
for($i = ($tl >> 3); $i <= ($th >> 3) ; $i ++ )
{
$data = 0;
for($j = 0; $j < 8 ; $j++)
{
$k = sprintf("%04X", (($i << 3) + $j));
$cat = $category{$k};
if( $cat ne "")
{
$data = $data + ($map{$cat} << (4*$j));
}
}
$pattern = sprintf("0x%08X", $data);
if($data ne 0)
{
print "WARNING, Unicode Database now contain characters" .
"which we have not consider, change this program !!!\n\n";
printf "Problem- U+%04X - U+%04X range\n", ($i << 3),((($i +1)<< 3)-1);
}
}
}
}
if($newidx > 255)
{
die "We have more than 255 patterns !!! - $newidx\n\n" .
"This program is now broken!!!\n\n\n";
}
printf OUT "static PRUint32 gGenCatPat[$newidx] = {\n";
for($i = 0 ; $i < $newidx; $i++)
{
printf OUT " %s, // $i \n", $patarray[$i] ;
}
printf OUT "};\n\n";
$totaldata += $newidx * 4;
printf OUT "static PRUint8 GetCat(PRUnichar u)\n{\n";
printf OUT " PRUint32 pat;\n";
printf OUT " //\n";
printf OUT " // Handle block which use index table mapping \n";
printf OUT " //\n";
for($t = 1; $t <= $tt; $t++)
{
$tl = $range[($t-1) * 2];
$th = $range[($t-1) * 2 + 1];
printf OUT " // Handle U+%04X to U+%04X\n", $tl, $th;
printf OUT " if((((PRUnichar)0x%04X)<=u)&&(u<=((PRUnichar)0x%04X))) {\n", $tl, $th;
printf OUT " pat = gGenCatPat[gGenCatIdx%d [( u -(PRUnichar) 0x%04X )]];\n", $t, $tl;
printf OUT " return (pat >> ((u % 8) * 4)) & 0x0F;\n";
printf OUT " }\n\n";
}
printf OUT " //\n";
printf OUT " // Handle blocks which share the same category \n";
printf OUT " //\n";
@special = keys(%sh);
foreach $s ( sort(@special) ) {
printf OUT " // Handle %s block \n", substr($s, 1,-1);
printf OUT " if((((PRUnichar)0x%s)<=u)&&(u<=((PRUnichar)0x%s))) \n", $sl{$s}, $sh{$s};
printf OUT " return $sc{$s}; \n\n";
}
printf OUT " return 0; // UNDEFINE \n};\n";
printf OUT "// total data size = $totaldata\n";
#$total = 0;
#@pats = keys(%pat);
#foreach $pattern ( sort(@pats) ) {
# $count = $pat{$pattern};
# # print "$cat ==> $count\n";
# $total++;
#}
print "total = $totaldata\n";
######################################################################
#
# Close files
#
######################################################################
close(UNIDATA);
close(OUT);