ladybird/Userland/Utilities/gzip.cpp

58 lines
2.0 KiB
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCompress/Gzip.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/MappedFile.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Vector<StringView> filenames;
bool keep_input_files { false };
bool write_to_stdout { false };
bool decompress { false };
Core::ArgsParser args_parser;
args_parser.add_option(keep_input_files, "Keep (don't delete) input files", "keep", 'k');
args_parser.add_option(write_to_stdout, "Write to stdout, keep original files unchanged", "stdout", 'c');
args_parser.add_option(decompress, "Decompress", "decompress", 'd');
args_parser.add_positional_argument(filenames, "Files", "FILES");
args_parser.parse(arguments);
if (write_to_stdout)
keep_input_files = true;
for (auto const& input_filename : filenames) {
DeprecatedString output_filename;
if (decompress) {
if (!input_filename.ends_with(".gz"sv)) {
warnln("unknown suffix for: {}, skipping", input_filename);
continue;
}
output_filename = input_filename.substring_view(0, input_filename.length() - ".gz"sv.length());
} else {
output_filename = DeprecatedString::formatted("{}.gz", input_filename);
}
auto output_stream = write_to_stdout ? TRY(Core::File::standard_output()) : TRY(Core::File::open(output_filename, Core::File::OpenMode::Write));
if (decompress)
TRY(Compress::GzipDecompressor::decompress_file(input_filename, move(output_stream)));
else
TRY(Compress::GzipCompressor::compress_file(input_filename, move(output_stream)));
if (!keep_input_files) {
TRY(Core::System::unlink(input_filename));
}
}
return 0;
}