dolphin/Source/Core/DolphinTool/HeaderCommand.cpp
2023-06-16 21:45:59 -05:00

113 lines
3.4 KiB
C++

// Copyright 2022 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinTool/HeaderCommand.h"
#include <cstdlib>
#include <optional>
#include <string>
#include <vector>
#include <OptionParser.h>
#include <fmt/format.h>
#include <fmt/ostream.h>
#include "DiscIO/Blob.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeDisc.h"
namespace DolphinTool
{
int HeaderCommand(const std::vector<std::string>& args)
{
optparse::OptionParser parser;
parser.usage("usage: header [options]...");
parser.add_option("-i", "--input")
.type("string")
.action("store")
.help("Path to disc image FILE.")
.metavar("FILE");
parser.add_option("-b", "--block_size")
.action("store_true")
.help("Optional. Print the block size of GCZ/WIA/RVZ formats, then exit.");
parser.add_option("-c", "--compression")
.action("store_true")
.help("Optional. Print the compression method of GCZ/WIA/RVZ formats, then exit.");
parser.add_option("-l", "--compression_level")
.action("store_true")
.help("Optional. Print the level of compression for WIA/RVZ formats, then exit.");
const optparse::Values& options = parser.parse_args(args);
// Validate options
const std::string input_file_path = static_cast<const char*>(options.get("input"));
if (input_file_path.empty())
{
fmt::print(std::cerr, "Error: No input set\n");
return EXIT_FAILURE;
}
const bool enable_block_size = options.is_set_by_user("block_size");
const bool enable_compression_method = options.is_set_by_user("compression");
const bool enable_compression_level = options.is_set_by_user("compression_level");
// Open the blob reader, plus get blob type
const std::unique_ptr<DiscIO::BlobReader> blob_reader = DiscIO::CreateBlobReader(input_file_path);
if (!blob_reader)
{
fmt::print(std::cerr, "Error: Unable to open disc image\n");
return EXIT_FAILURE;
}
if (enable_block_size || enable_compression_method || enable_compression_level)
{
if (enable_block_size)
{
const auto block_size = blob_reader->GetBlockSize();
if (block_size == 0)
fmt::print(std::cout, "N/A\n");
else
fmt::print(std::cout, "{}\n", block_size);
}
if (enable_compression_method)
{
const auto compression_method = blob_reader->GetCompressionMethod();
if (compression_method == "")
fmt::print(std::cout, "N/A\n");
else
fmt::print(std::cout, "{}\n", compression_method);
}
if (enable_compression_level)
{
const auto compression_level_o = blob_reader->GetCompressionLevel();
if (compression_level_o == std::nullopt)
fmt::print(std::cout, "N/A\n");
else
fmt::print(std::cout, "{}\n", compression_level_o.value());
}
}
else
{
const auto blob_type = blob_reader->GetBlobType();
if (blob_type == DiscIO::BlobType::GCZ)
{
fmt::print(std::cout, "Block Size: {}\nCompression Method: {}\n", blob_reader->GetBlockSize(),
blob_reader->GetCompressionMethod());
}
if (blob_type == DiscIO::BlobType::WIA || blob_type == DiscIO::BlobType::RVZ)
{
fmt::print(std::cout, "Block Size: {}\nCompression Method: {}\nCompression Level: {}\n",
blob_reader->GetBlockSize(), blob_reader->GetCompressionMethod(),
blob_reader->GetCompressionLevel().value());
}
}
return EXIT_SUCCESS;
}
} // namespace DolphinTool