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#!/usr/bin/perl
use warnings;
use strict;
# BLOCK_SIZE should be 128, 256, 512, etc. The value 128 provides
# the minimum memory footprint for both 32-bit and 64-bit platforms.
use constant BLOCK_SIZE => 128;
my %lowcase;
my %blocks;
my $max_block = 0;
my $max_lowcase = 0;
while (<>) {
if (/^(\w+); (C|S); (\w+);/) {
my ($symbol, $folding) = (hex $1, hex $3);
$lowcase{$symbol} = $folding;
$blocks{int($symbol / BLOCK_SIZE)} = 1;
if ($max_lowcase < $symbol) {
$max_lowcase = $symbol;
}
}
}
my $last_block_size = $max_lowcase % BLOCK_SIZE + 1;
for my $block (sort { $a <=> $b } keys %blocks) {
if ($max_block < $block) {
$max_block = $block;
}
}
my $blocks = scalar keys %blocks;
printf("\n/*\n" .
" * %d %s-bytes blocks, %d pointers.\n" .
" * %d bytes on 32-bit platforms, %d bytes on 64-bit platforms.\n" .
" */\n\n",
$blocks, BLOCK_SIZE, $max_block + 1,
($blocks - 1) * BLOCK_SIZE * 4 + $last_block_size + $max_block * 4,
($blocks - 1) * BLOCK_SIZE * 4 + $last_block_size+ $max_block * 8);
printf("#define NXT_UNICODE_MAX_LOWCASE 0x%05x\n\n", $max_lowcase);
printf("#define NXT_UNICODE_BLOCK_SIZE %d\n\n\n", BLOCK_SIZE);
for my $block (sort { $a <=> $b } keys %blocks) {
my $block_size = ($block != $max_block) ? BLOCK_SIZE : $last_block_size;
print "static const uint32_t ";
printf("nxt_unicode_block_%03x[%d] nxt_aligned(64) = {",
$block, $block_size);
for my $c (0 .. $block_size - 1) {
printf "\n " if $c % 8 == 0;
my $n = $block * BLOCK_SIZE + $c;
if (exists $lowcase{$n}) {
printf(" 0x%05x,", $lowcase{$n});
} else {
#print " .......,";
printf(" 0x%05x,", $n);
}
}
print "\n};\n\n\n";
}
print "static const uint32_t *nxt_unicode_blocks[] nxt_aligned(64) = {\n";
for my $block (0 .. $max_block) {
if (exists($blocks{$block})) {
printf(" nxt_unicode_block_%03x,\n", $block);
} else {
print " NULL,\n";
}
}
print "};\n";
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