sandboxed-api/contrib/zopfli/example/main.cc
Copybara-Service d76a0e959e Merge pull request #100 from oshogbo:zopfli
PiperOrigin-RevId: 426911996
Change-Id: Ib257a94b6f5cbe932766d2c25c21ad082e0369a4
2022-02-07 07:30:51 -08:00

74 lines
2.1 KiB
C++

// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <unistd.h>
#include <fstream>
#include <iostream>
#include <string>
#include "sandboxed_api/util/flag.h"
#include "absl/flags/parse.h"
#include "contrib/zopfli/sandboxed.h"
#include "contrib/zopfli/utils/utils_zopfli.h"
ABSL_FLAG(bool, zlib, false, "zlib compression");
ABSL_FLAG(bool, gzip, false, "gzip compression");
int main(int argc, char* argv[]) {
std::string prog_name(argv[0]);
google::InitGoogleLogging(argv[0]);
std::vector<char*> args = absl::ParseCommandLine(argc, argv);
if (args.size() != 3) {
std::cerr << "Usage:\n " << prog_name << " INPUT OUTPUT\n";
return EXIT_FAILURE;
}
std::ifstream infile(args[1], std::ios::binary);
if (!infile.is_open()) {
std::cerr << "Unable to open " << args[1] << std::endl;
return EXIT_FAILURE;
}
std::ofstream outfile(args[2], std::ios::binary);
if (!outfile.is_open()) {
std::cerr << "Unable to open " << args[2] << std::endl;
return EXIT_FAILURE;
}
ZopfliSapiSandbox sandbox;
if (!sandbox.Init().ok()) {
std::cerr << "Unable to start sandbox\n";
return EXIT_FAILURE;
}
ZopfliApi api(&sandbox);
ZopfliFormat format = ZOPFLI_FORMAT_DEFLATE;
if (absl::GetFlag(FLAGS_zlib)) {
format = ZOPFLI_FORMAT_ZLIB;
} else if (absl::GetFlag(FLAGS_gzip)) {
format = ZOPFLI_FORMAT_GZIP;
}
absl::Status status = Compress(api, infile, outfile, format);
if (!status.ok()) {
std::cerr << "Unable to compress file.\n";
std::cerr << status << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}