ladybird/Utilities/lzcat.cpp

33 lines
1,005 B
C++

/*
* Copyright (c) 2023, Tim Schumacher <timschumi@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCompress/Lzma.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
StringView filename;
Core::ArgsParser args_parser;
args_parser.set_general_help("Decompress and print an LZMA archive");
args_parser.add_positional_argument(filename, "File to decompress", "file");
args_parser.parse(arguments);
auto file = TRY(Core::File::open_file_or_standard_stream(filename, Core::File::OpenMode::Read));
auto buffered_file = TRY(Core::InputBufferedFile::create(move(file)));
auto stream = TRY(Compress::LzmaDecompressor::create_from_container(move(buffered_file)));
// Arbitrarily chosen buffer size.
Array<u8, 4096> buffer;
while (!stream->is_eof()) {
auto slice = TRY(stream->read_some(buffer));
out("{:s}", slice);
}
return 0;
}