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#!/usr/bin/perl
# Copyright (C) 2019 Intel Corporation.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
use strict;
use warnings;
use Config;
local $/; # Enable "slurp" mode
sub checkCommand($) {
use File::Spec::Functions;
my $cmd = $_[0] . $Config{_exe};
for my $path (path()) {
return 1 if -x catfile($path, $cmd);
}
return 0;
}
my $data;
my $compress;
my $macro;
my $zlib = eval 'use Compress::Zlib; use IO::Compress::Gzip; return 1;';
my $fname = shift @ARGV;
if ($zlib) {
# Prefer internal zlib support (useful on Windows where gzip.exe isn't
# always presnet)
$macro = "MIME_DATABASE_IS_GZIP";
} elsif (checkCommand("gzip")) {
# No builtin support for compression (old Perl?)
$compress = "gzip -c9";
$macro = "MIME_DATABASE_IS_GZIP";
}
# Check if Qt is being built with zstd support
if ($fname eq "--zstd") {
$fname = shift @ARGV;
if (checkCommand("zstd")) {
$compress = "zstd -cq19 -T1";
$macro = "MIME_DATABASE_IS_ZSTD";
}
}
# Check if xml (from xmlstarlet) is in $PATH
my $cmd;
if (checkCommand("xmlstarlet")) {
# Minify the data before compressing
$cmd = "xmlstarlet sel -D -B -t -c / $fname";
$cmd .= "| $compress" if $compress;
} elsif (checkCommand("xml")) {
# Minify the data before compressing
$cmd = "xml sel -D -B -t -c / $fname";
$cmd .= "| $compress" if $compress;
} elsif ($compress) {
$cmd = "$compress < $fname"
}
if ($cmd) {
# Run the command and read everything
open CMD, "$cmd |";
binmode CMD;
$data = <CMD>;
close CMD;
die("Failed to run $cmd") if ($? >> 8);
} else {
# No command, just read the file
open F, "<$fname";
$data = <F>;
close F;
}
# Do we need to compress with zlib?
if (!$compress && $zlib) {
$data = eval q{
use Compress::Zlib;
use IO::Compress::Gzip qw(gzip);
my $compressed;
gzip \$data => \$compressed,
Minimal => 1,
Level => Z_BEST_COMPRESSION;
return $compressed;
};
}
# Now print as hex
printf "#define %s\n", $macro if $macro;
printf "static const unsigned char mimetype_database[] = {";
my $i = 0;
map {
printf "\n " if $i++ % 12 == 0;
printf "0x%02x, ", ord $_
} split //, $data;
printf "\n};\n";
printf "static constexpr size_t MimeTypeDatabaseOriginalSize = %d;\n",
(stat $fname)[7];
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