#!/usr/bin/perl -w
#
# winucase_convert.pl -- convert "Windows 8 Upper Case Mapping Table.txt" to
# a two-level set of C arrays.
#
# Copyright 2013: Jeff Layton <[email protected]>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

while(<>) {
next if (!/^0x(..)(..)\t0x(....)\t/);
$firstchar = hex($1);
$secondchar = hex($2);
$uppercase = hex($3);

$top[$firstchar][$secondchar] = $uppercase;
}

for ($i = 0; $i < 256; $i++) {
next if (!$top[$i]);

printf("static const wchar_t t2_%2.2x[256] = {", $i);
for ($j = 0; $j < 256; $j++) {
if (($j % 8) == 0) {
print "\n\t";
} else {
print " ";
}
printf("0x%4.4x,", $top[$i][$j] ? $top[$i][$j] : 0);
}
print "\n};\n\n";
}

printf("static const wchar_t *const toplevel[256] = {", $i);
for ($i = 0; $i < 256; $i++) {
if (($i % 8) == 0) {
print "\n\t";
} elsif ($top[$i]) {
print " ";
} else {
print " ";
}

if ($top[$i]) {
printf("t2_%2.2x,", $i);
} else {
print "NULL,";
}
}
print "\n};\n\n";