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#!/usr/bin/env perl
# Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
# input looks like:
# lowercase( 65 )= 97
my %lowercase;
my %blocks;
while (<>) {
my ( $key, $value ) = m{lowercase. (\d+) .. (\d+)$} ;
$lowercase{$key} = $value;
my $b = ( $key >> 8 );
++$blocks{$b};
}
@kl = keys %blocks;
@nkl = sort {$a <=> $b} @kl;
print STDERR "blocks: " . join(" ", @nkl) . "\n";
foreach $b ( @nkl )
{
if ( $b == 0 ) {
print "unsigned char\nLowerCase::lowercase_${b}_block[256] = {\n\t";
} else {
print "\nuint32_t\nLowerCase::lowercase_${b}_block[256] = {\n\t";
}
my $act = 0;
for ($i = 0; $i < 256; $i++) {
if ($act > 7) {
print ",\n\t";
$act = 0;
} elsif ($act) {
print ",";
}
$n = ($b << 8) + $i;
$v = $lowercase{$n};
if (defined $v) {
print "\t$v";
die "too big value in table 0: $v\n" if ($v > 255 && $b == 0);
} else {
print "\t$n";
}
++$act;
}
print "\n\t};\n\n";
}
{
print "\nuint32_t\nLowerCase::lowercase_0_5_block[0x600] = {\n\t";
my $act = 0;
for ($i = 0; $i < 0x600; $i++) {
if ($act > 7) {
print ",\n\t";
$act = 0;
} elsif ($act) {
print ",";
}
$n = $i;
$v = $lowercase{$n};
if (defined $v) {
print "\t$v";
} else {
print "\t$n";
}
++$act;
}
print "\n\t};\n\n";
}
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