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#!/usr/bin/env perl
use strict;
my (%titlecase8, %uni8_decomp);
my (@titlecase16_keys, @titlecase16_values);
my (@titlecase32_keys, @titlecase32_values);
my (@uni16_decomp_keys, @uni16_decomp_values);
my (@uni32_decomp_keys, @uni32_decomp_values);
my (@multidecomp_keys, @multidecomp_offsets, @multidecomp_values);
while (<>) {
chomp $_;
my @arr = split(";");
my $code = eval("0x".$arr[0]);
my $decomp = $arr[5];
my $titlecode = $arr[14];
if ($titlecode ne "") {
# titlecase mapping
my $value = eval("0x$titlecode");
if ($value == $code) {
# the same character, ignore
} elsif ($code <= 0xff) {
die "Error: We've assumed 8bit keys have max. 16bit values" if ($value > 0xffff);
$titlecase8{$code} = $value;
} elsif ($code <= 0xffff) {
die "Error: We've assumed 16bit keys have max. 16bit values" if ($value > 0xffff);
push @titlecase16_keys, $code;
push @titlecase16_values, $value;
} else {
push @titlecase32_keys, $code;
push @titlecase32_values, $value;
}
} elsif ($decomp =~ /(?:\<[^>]*> )?(.+)/) {
# decompositions
my $decomp_codes = $1;
if ($decomp_codes =~ /^([0-9A-Z]*)$/i) {
# unicharacter decomposition. use separate lists for this
my $value = eval("0x$1");
if ($value > 0xffffffff) {
print STDERR "Error: We've assumed decomposition codes are max. 32bit\n";
exit 1;
}
if ($code <= 0xff) {
$uni8_decomp{$code} = $value;
} elsif ($code <= 0xffff) {
push @uni16_decomp_keys, $code;
push @uni16_decomp_values, $value;
} else {
push @uni32_decomp_keys, $code;
push @uni32_decomp_values, $value;
}
} else {
# multicharacter decomposition.
if ($code > 0xffffffff) {
print STDERR "Error: We've assumed multi-decomposition key codes are max. 32bit\n";
exit 1;
}
push @multidecomp_keys, $code;
push @multidecomp_offsets, scalar(@multidecomp_values);
foreach my $dcode (split(" ", $decomp_codes)) {
my $value = eval("0x$dcode");
if ($value > 0xffffffff) {
print STDERR "Error: We've assumed decomposition codes are max. 32bit\n";
exit 1;
}
push @multidecomp_values, $value;
}
push @multidecomp_values, 0;
}
}
}
sub print_list {
my @list = @{$_[0]};
my $last = $#list;
my $n = 0;
foreach my $key (@list) {
printf("0x%05x", $key);
last if ($n == $last);
print ",";
$n++;
if (($n % 8) == 0) {
print "\n\t";
} else {
print " ";
}
}
}
print "/* This file is automatically generated by unicodemap.pl from UnicodeData.txt
NOTE: decompositions for characters having titlecase characters
are not included, because we first translate everything to titlecase */\n";
sub print_map8 {
my %map = %{$_[0]};
my @list;
for (my $i = 0; $i <= 0xff; $i++) {
if (defined($map{$i})) {
push @list, $map{$i};
} else {
push @list, $i;
}
}
print_list(\@list);
}
print "static const uint16_t titlecase8_map[256] = {\n\t";
print_map8(\%titlecase8);
print "\n};\n";
print "static const uint16_t titlecase16_keys[] = {\n\t";
print_list(\@titlecase16_keys);
print "\n};\n";
print "static const uint16_t titlecase16_values[] = {\n\t";
print_list(\@titlecase16_values);
print "\n};\n";
print "static const uint32_t titlecase32_keys[] = {\n\t";
print_list(\@titlecase32_keys);
print "\n};\n";
print "static const uint32_t titlecase32_values[] = {\n\t";
print_list(\@titlecase32_values);
print "\n};\n";
print "static const uint16_t uni8_decomp_map[256] = {\n\t";
print_map8(\%uni8_decomp);
print "\n};\n";
print "static const uint16_t uni16_decomp_keys[] = {\n\t";
print_list(\@uni16_decomp_keys);
print "\n};\n";
print "static const uint32_t uni16_decomp_values[] = {\n\t";
print_list(\@uni16_decomp_values);
print "\n};\n";
print "static const uint32_t uni32_decomp_keys[] = {\n\t";
print_list(\@uni32_decomp_keys);
print "\n};\n";
print "static const uint32_t uni32_decomp_values[] = {\n\t";
print_list(\@uni32_decomp_values);
print "\n};\n";
print "static const uint32_t multidecomp_keys[] = {\n\t";
print_list(\@multidecomp_keys);
print "\n};\n";
print "static const uint16_t multidecomp_offsets[] = {\n\t";
print_list(\@multidecomp_offsets);
print "\n};\n";
print "static const uint32_t multidecomp_values[] = {\n\t";
print_list(\@multidecomp_values);
print "\n};\n";
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