зеркало из https://github.com/mozilla/gecko-dev.git
add gencasetable.pl which used to generate mozilla/intl/unicharutil/src/casetable.h from UnicodeData-Latest.txt
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ftang%netscape.com
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#!/usr/bin/perl
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#
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# The contents of this file are subject to the Netscape Public License
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# Version 1.0 (the "NPL"); you may not use this file except in
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# compliance with the NPL. You may obtain a copy of the NPL at
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# http://www.mozilla.org/NPL/
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#
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# Software distributed under the NPL is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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# for the specific language governing rights and limitations under the
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# NPL.
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#
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# The Initial Developer of this code under the NPL is Netscape
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# Communications Corporation. Portions created by Netscape are
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# Copyright (C) 1999 Netscape Communications Corporation. All Rights
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# Reserved.
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#
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######################################################################
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#
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# Initial global variable
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#
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######################################################################
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%utot = ();
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$ui=0;
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$li=0;
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######################################################################
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#
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# Open the unicode database file
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#
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######################################################################
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open ( UNICODATA , "< UnicodeData-Latest.txt")
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|| die "cannot find UnicodeData-Latest.txt";
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######################################################################
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#
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# Open the output file
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#
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######################################################################
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open ( OUT , "> ../src/casetable.h")
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|| die "cannot open output ../src/casetable.h file";
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######################################################################
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#
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# Generate license and header
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#
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######################################################################
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$npl = <<END_OF_NPL;
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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END_OF_NPL
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print OUT $npl;
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print OUT "#include \"nscore.h\" \n\n";
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######################################################################
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#
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# Process the file line by line
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#
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######################################################################
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while(<UNICODATA>) {
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chop;
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######################################################################
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#
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# Get value from fields
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#
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######################################################################
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@f = split(/;/ , $_);
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$c = $f[0]; # The unicode value
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$u = $f[12]; # The upper case
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$l = $f[13]; # The lower case
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$t = $f[14]; # The title case
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#
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# print $c . " | " . $u . " | " . $l . " | " . $t . "\n";
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#
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######################################################################
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#
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# Process title case for this entry
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#
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######################################################################
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#
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# if upper case is not equal to title case , store into
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# %utot hash
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#
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if(($t ne "") && ($u ne "") && ( $u ne $t )) {
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#
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# print $c . " | " . $u . " | " . $l . " | " . $t . "\n";
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#
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$utot{$u} = $t;
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}
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$cv = hex($c); # convert the Unicode value into integer
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######################################################################
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#
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# Process upper case for this entry
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#
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######################################################################
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if( $u ne "") { # if upper case exist
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$uvalue = hex($u); # convert the upper case value into integer
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######################################################################
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# store related information into arrays
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# @ucv - unicode value
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# @uv - upper case value (debug only)
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# @ud - difference between unicode and upper case
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# @ulastd - difference between unicode and last unicode in the entry
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######################################################################
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$ucv[$ui] = $cv;
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$uv[$ui] = $uvalue;
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$ud[$ui] = 0x0000FFFF & ($uvalue - $cv);
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if( $ui ne 0) {
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$ulastd[$ui] = $cv - $ucv[$ui-1];
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}
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$ui++;
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}
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######################################################################
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#
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# Process lower case for this entry
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#
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######################################################################
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if( $l ne "") { # if lower case exist
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$lvalue = hex($l); # convert the lower case value into integer
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######################################################################
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# store related information into arrays
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# @lcv - unicode value
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# @lv - lower case value (debug only)
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# @ld - difference between unicode and lower case
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# @llastd - difference between unicode and last unicode in the entry
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######################################################################
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$lcv[$li] = $cv;
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$lv[$li] = $lvalue;
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$ld[$li] = 0x0000FFFF & ($lvalue - $cv);
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if( $li ne 0) {
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$llastd[$li] = $cv - $lcv[$li-1];
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}
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$li++;
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}
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}
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######################################################################
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#
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# Print out all the tables
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#
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######################################################################
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######################################################################
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#
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# Print out upper to title case mapping
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#
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######################################################################
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$ttotal = 0;
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print OUT "extern PRUnichar gUpperToTitle[] = { \n";
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while(($upper, $title) = each(%utot)) {
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print OUT " 0x" . $upper . ", 0x" . $utot{$upper} . ", \n";
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$ttotal++;
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}
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print OUT "};\n\n";
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print OUT "extern PRUint32 gUpperToTitleItems = $ttotal;\n\n";
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######################################################################
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#
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# Print out gToUpper table
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#
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######################################################################
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print OUT "extern PRUnichar gToUpper[] = \n";
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print OUT "{ /* From To Every Diff */ \n";
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$utotal=0;
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$ufrom = 0; # remember the start of the output item
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for ($i = 0; $i <= $#ucv; $i++)
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{
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if(0 eq $i) {
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######################################################################
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#
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# Print the first item in the array
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#
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######################################################################
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$ufrom = $ucv[0];
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printf OUT " 0x%04x, " , $ucv[0];
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} else {
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######################################################################
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#
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# Print all the item except the first and last one
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# only print if the upper case difference is different from the
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# and the difference between last entry changed
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#
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######################################################################
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if(($ud[$i] ne $ud[$i-1]) ||
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(($ufrom ne $ucv[$i-1]) && ($ulastd[$i] ne $ulastd[$i-1]))) {
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printf OUT "0x%04x, 0x%04x, 0x%04x ,\n",
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$ucv[$i-1], $ulastd[$i-1], $ud[$i-1];
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$ufrom = $ucv[$i]; # update the start of the item
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printf OUT " 0x%04x, " , $ufrom;
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$utotal++;
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}
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}
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if( $i eq $#ucv) {
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######################################################################
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#
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# Print the last item in the array
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#
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######################################################################
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printf OUT "0x%04x, 0x%04x, 0x%04x \n};\n\n",
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$ucv[$i], $ulastd[$i], $ud[$i];
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$utotal++;
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print OUT "extern PRUint32 gToUpperItems = $utotal;\n\n";
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}
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#
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# printf "%4x - %4x - %4x - %4x\n", $ucv[$i], $uv[$i], $ud[$i], $ulastd[$i];
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#
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}
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######################################################################
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#
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# Print out gToLower table
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#
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######################################################################
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print OUT "extern PRUnichar gToLower[] = \n";
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print OUT "{ /* From To Every Diff */ \n";
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$ltotal=0;
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$lfrom = 0; # remember the start of the output item
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for ($i = 0; $i <= $#lcv; $i++)
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{
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if(0 eq $i) {
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######################################################################
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#
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# Print the first item in the array
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#
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######################################################################
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$lfrom = $lcv[0];
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printf OUT " 0x%04x, " , $lcv[0];
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} else {
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######################################################################
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#
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# Print all the item except the first and last one
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# only print if the lower case difference is different from the
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# and the difference between last entry changed
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#
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######################################################################
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if(($ld[$i] ne $ld[$i-1]) ||
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(($lfrom ne $lcv[$i-1]) && ($llastd[$i] ne $llastd[$i-1]))) {
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printf OUT "0x%04x, 0x%04x, 0x%04x ,\n",
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$lcv[$i-1], $llastd[$i-1], $ld[$i-1];
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$lfrom = $lcv[$i]; # update the start of the item
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printf OUT " 0x%04x, " , $lfrom;
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$ltotal++;
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}
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}
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if( $i eq $#lcv) {
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######################################################################
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#
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# Print the last item in the array
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#
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######################################################################
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printf OUT "0x%04x, 0x%04x, 0x%04x \n};\n\n",
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$lcv[$i], $llastd[$i], $ld[$i];
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$ltotal++;
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print OUT "extern PRUint32 gToLowerItems = $ltotal;\n\n";
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}
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#
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# printf "%4x - %4x - %4x - %4x\n", $lcv[$i], $lv[$i], $ld[$i], $llastd[$i];
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#
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}
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######################################################################
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#
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# Close files
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#
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######################################################################
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close(UNIDATA);
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close(OUT);
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