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deba9ce256
New dolphin-tool command: "header" -b / --block_size -c / --compression -l / --compression_level Informative RVZ/WIA header2 value "compression_level" is now a s32 instead of a u32, because negative compression is a thing. Speaking of, it is now possible to use negative compression levels in dolphin-tool's convert command (not the GUI, though).
107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
// Copyright 2022 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinTool/HeaderCommand.h"
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#include "DiscIO/Blob.h"
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#include "DiscIO/Volume.h"
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#include "DiscIO/VolumeDisc.h"
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#include <OptionParser.h>
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#include <optional>
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namespace DolphinTool
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{
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int HeaderCommand::Main(const std::vector<std::string>& args)
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{
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auto parser = std::make_unique<optparse::OptionParser>();
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parser->usage("usage: header [options]...");
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parser->add_option("-i", "--input")
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.type("string")
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.action("store")
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.help("Path to disc image FILE.")
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.metavar("FILE");
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parser->add_option("-b", "--block_size")
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.action("store_true")
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.help("Optional. Print the block size of GCZ/WIA/RVZ formats, then exit.");
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parser->add_option("-c", "--compression")
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.action("store_true")
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.help("Optional. Print the compression method of GCZ/WIA/RVZ formats, then exit.");
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parser->add_option("-l", "--compression_level")
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.action("store_true")
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.help("Optional. Print the level of compression for WIA/RVZ formats, then exit.");
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const optparse::Values& options = parser->parse_args(args);
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// Validate options
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const std::string input_file_path = static_cast<const char*>(options.get("input"));
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if (input_file_path.empty())
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{
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std::cerr << "Error: No input set" << std::endl;
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return 1;
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}
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bool enable_block_size = options.is_set_by_user("block_size");
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bool enable_compression_method = options.is_set_by_user("compression");
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bool enable_compression_level = options.is_set_by_user("compression_level");
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// Open the blob reader, plus get blob type
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std::shared_ptr<DiscIO::BlobReader> blob_reader = DiscIO::CreateBlobReader(input_file_path);
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if (!blob_reader)
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{
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std::cerr << "Error: Unable to open disc image" << std::endl;
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return 1;
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}
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const DiscIO::BlobType blob_type = blob_reader->GetBlobType();
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if (enable_block_size || enable_compression_method || enable_compression_level)
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{
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if (enable_block_size)
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{
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const auto block_size = blob_reader->GetBlockSize();
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if (block_size == 0)
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std::cout << "N/A" << std::endl;
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else
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std::cout << block_size << std::endl;
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}
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if (enable_compression_method)
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{
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const auto compression_method = blob_reader->GetCompressionMethod();
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if (compression_method == "")
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std::cout << "N/A" << std::endl;
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else
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std::cout << compression_method << std::endl;
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}
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if (enable_compression_level)
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{
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const auto compression_level_o = blob_reader->GetCompressionLevel();
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if (compression_level_o == std::nullopt)
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std::cout << "N/A" << std::endl;
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else
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std::cout << compression_level_o.value() << std::endl;
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}
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}
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else
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{
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if (blob_type == DiscIO::BlobType::GCZ)
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{
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std::cout << "Block Size: " << blob_reader->GetBlockSize() << std::endl;
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std::cout << "Compression Method: " << blob_reader->GetCompressionMethod() << std::endl;
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}
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if (blob_type == DiscIO::BlobType::WIA || blob_type == DiscIO::BlobType::RVZ)
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{
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std::cout << "Block Size: " << blob_reader->GetBlockSize() << std::endl;
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std::cout << "Compression Method: " << blob_reader->GetCompressionMethod() << std::endl;
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std::cout << "Compression Level: " << blob_reader->GetCompressionLevel().value() << std::endl;
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}
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}
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return 0;
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}
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} // namespace DolphinTool
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