mirror of
https://github.com/dolphin-emu/dolphin.git
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378 lines
12 KiB
C++
378 lines
12 KiB
C++
// Copyright 2024 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinTool/ExtractCommand.h"
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#include <filesystem>
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#include <future>
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#include <iostream>
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#include <fmt/format.h>
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#include <fmt/ostream.h>
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#include <OptionParser.h>
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#include "Common/FileUtil.h"
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#include "DiscIO/DiscExtractor.h"
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#include "DiscIO/DiscUtils.h"
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#include "DiscIO/Filesystem.h"
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#include "DiscIO/Volume.h"
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namespace DolphinTool
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{
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static void ExtractFile(const DiscIO::Volume& disc_volume, const DiscIO::Partition& partition,
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const std::string& path, const std::string& out)
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{
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const DiscIO::FileSystem* filesystem = disc_volume.GetFileSystem(partition);
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if (!filesystem)
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return;
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ExportFile(disc_volume, partition, filesystem->FindFileInfo(path).get(), out);
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}
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static std::unique_ptr<DiscIO::FileInfo> GetFileInfo(const DiscIO::Volume& disc_volume,
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const DiscIO::Partition& partition,
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const std::string& path)
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{
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const DiscIO::FileSystem* filesystem = disc_volume.GetFileSystem(partition);
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if (!filesystem)
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return nullptr;
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std::unique_ptr<DiscIO::FileInfo> info = filesystem->FindFileInfo(path);
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return info;
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}
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static bool VolumeSupported(const DiscIO::Volume& disc_volume)
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{
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switch (disc_volume.GetVolumeType())
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{
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case DiscIO::Platform::WiiWAD:
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fmt::println(std::cerr, "Error: Wii WADs are not supported.");
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return false;
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case DiscIO::Platform::ELFOrDOL:
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fmt::println(std::cerr,
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"Error: *.elf or *.dol have no filesystem and are therefore not supported.");
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return false;
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case DiscIO::Platform::WiiDisc:
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case DiscIO::Platform::GameCubeDisc:
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return true;
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default:
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fmt::println(std::cerr, "Error: Unknown volume type.");
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return false;
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}
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}
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static void ExtractDirectory(const DiscIO::Volume& disc_volume, const DiscIO::Partition& partition,
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const std::string& path, const std::string& out, bool quiet)
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{
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const DiscIO::FileSystem* filesystem = disc_volume.GetFileSystem(partition);
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if (!filesystem)
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return;
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const std::unique_ptr<DiscIO::FileInfo> info = filesystem->FindFileInfo(path);
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u32 size = info->GetTotalChildren();
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u32 files = 0;
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ExportDirectory(
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disc_volume, partition, *info, true, "", out,
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[&files, &size, &quiet](const std::string& current) {
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files++;
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const float progress = static_cast<float>(files) / static_cast<float>(size) * 100;
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if (!quiet)
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fmt::println(std::cerr, "Extracting: {} | {}%", current, static_cast<int>(progress));
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return false;
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});
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}
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static bool ExtractSystemData(const DiscIO::Volume& disc_volume, const DiscIO::Partition& partition,
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const std::string& out)
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{
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return ExportSystemData(disc_volume, partition, out);
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}
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static void ExtractPartition(const DiscIO::Volume& disc_volume, const DiscIO::Partition& partition,
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const std::string& out, bool quiet)
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{
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ExtractDirectory(disc_volume, partition, "", out + "/files", quiet);
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ExtractSystemData(disc_volume, partition, out);
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}
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static void ListRecursively(const std::string& path, const DiscIO::FileInfo& info,
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std::string* result_text)
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{
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// Don't print the root.
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if (!path.empty())
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{
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const std::string line = fmt::format("{}\n", path);
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fmt::print("{}", line);
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result_text->append(line);
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}
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for (const DiscIO::FileInfo& child_info : info)
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{
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std::string child_path = path + child_info.GetName();
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if (child_info.IsDirectory())
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child_path += '/';
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ListRecursively(child_path, child_info, result_text);
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}
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}
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static bool ListPartition(const DiscIO::Volume& disc_volume, const DiscIO::Partition& partition,
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const std::string& partition_name, const std::string& path,
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std::string* result_text)
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{
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const DiscIO::FileSystem* filesystem = disc_volume.GetFileSystem(partition);
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const std::unique_ptr<DiscIO::FileInfo> info = filesystem->FindFileInfo(path);
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if (!info)
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{
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if (!partition_name.empty())
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{
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fmt::println(std::cerr, "Warning: {} does not exist in this partition.", path);
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}
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return false;
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}
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// Canonicalize user-provided path by reconstructing it using GetPath().
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ListRecursively(info->GetPath(), *info, result_text);
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return true;
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}
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static bool ListVolume(const DiscIO::Volume& disc_volume, const std::string& path,
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const std::string& specific_partition_name, bool quiet,
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std::string* result_text)
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{
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if (disc_volume.GetPartitions().empty())
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{
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return ListPartition(disc_volume, DiscIO::PARTITION_NONE, specific_partition_name, path,
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result_text);
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}
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bool success = false;
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for (DiscIO::Partition& p : disc_volume.GetPartitions())
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{
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const std::optional<u32> partition_type = disc_volume.GetPartitionType(p);
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if (!partition_type)
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{
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fmt::println(std::cerr, "Error: Could not get partition type.");
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return false;
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}
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const std::string partition_name = DiscIO::NameForPartitionType(*partition_type, true);
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if (!specific_partition_name.empty() &&
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!Common::CaseInsensitiveEquals(partition_name, specific_partition_name))
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{
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continue;
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}
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const std::string partition_start =
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fmt::format("/// PARTITION: {} <{}> ///\n", partition_name, path);
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fmt::print(std::cout, "{}", partition_start);
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result_text->append(partition_start);
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success |= ListPartition(disc_volume, p, specific_partition_name, path, result_text);
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}
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return success;
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}
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static bool HandleExtractPartition(const std::string& output, const std::string& single_file_path,
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const std::string& partition_name, DiscIO::Volume& disc_volume,
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const DiscIO::Partition& partition, bool quiet, bool single)
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{
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std::string file;
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file.append(output).append("/");
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file.append(partition_name).append("/");
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if (!single)
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{
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ExtractPartition(disc_volume, partition, file, quiet);
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return true;
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}
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if (auto file_info = GetFileInfo(disc_volume, partition, single_file_path); file_info != nullptr)
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{
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file.append("files/").append(single_file_path);
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File::CreateFullPath(file);
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if (file_info->IsDirectory())
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{
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file = PathToString(StringToPath(file).remove_filename());
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ExtractDirectory(disc_volume, partition, single_file_path, file, quiet);
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}
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else
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{
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ExtractFile(disc_volume, partition, single_file_path, file);
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}
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return true;
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}
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return false;
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}
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int Extract(const std::vector<std::string>& args)
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{
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optparse::OptionParser parser;
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parser.usage("usage: extract [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("-o", "--output")
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.type("string")
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.action("store")
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.help("Path to the destination FOLDER.")
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.metavar("FOLDER");
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parser.add_option("-p", "--partition")
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.type("string")
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.action("store")
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.help("Which specific partition you want to extract.");
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parser.add_option("-s", "--single")
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.type("string")
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.action("store")
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.help("Which specific file/directory you want to extract.");
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parser.add_option("-l", "--list")
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.action("store_true")
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.help("List all files in volume/partition. Will print the directory/file specified with "
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"--single if defined.");
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parser.add_option("-q", "--quiet")
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.action("store_true")
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.help("Mute all messages except for errors.");
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parser.add_option("-g", "--gameonly")
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.action("store_true")
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.help("Only extracts the DATA partition.");
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const optparse::Values& options = parser.parse_args(args);
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const bool quiet = options.is_set("quiet");
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const bool gameonly = options.is_set("gameonly");
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if (!options.is_set("input"))
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{
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fmt::println(std::cerr, "Error: No input image set");
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return EXIT_FAILURE;
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}
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const std::string& input_file_path = options["input"];
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const std::string& output_folder_path = options["output"];
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if (!options.is_set("output") && !options.is_set("list"))
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{
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fmt::println(std::cerr, "Error: No output folder set");
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return EXIT_FAILURE;
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}
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const std::string& single_file_path = options["single"];
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std::string specific_partition = options["partition"];
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if (options.is_set("output") && !options.is_set("list"))
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File::CreateDirs(output_folder_path);
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if (gameonly)
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specific_partition = std::string("data");
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if (const std::unique_ptr<DiscIO::BlobReader> blob_reader =
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DiscIO::CreateBlobReader(input_file_path);
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!blob_reader)
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{
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fmt::println(std::cerr, "Error: Unable to open disc image");
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return EXIT_FAILURE;
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}
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const std::unique_ptr<DiscIO::Volume> disc_volume = DiscIO::CreateVolume(input_file_path);
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if (!disc_volume)
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{
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fmt::println(std::cerr, "Error: Unable to open volume");
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return EXIT_FAILURE;
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}
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if (!VolumeSupported(*disc_volume))
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return EXIT_FAILURE;
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if (options.is_set("list"))
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{
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std::string list_path = options.is_set("single") ? single_file_path : "/";
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if (quiet && !options.is_set("output"))
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{
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fmt::println(std::cerr, "Error: --quiet is set but no output file provided. Please either "
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"remove the --quiet flag or specify --output");
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return EXIT_FAILURE;
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}
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std::string text;
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if (!ListVolume(*disc_volume, list_path, specific_partition, quiet, &text))
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{
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fmt::println(std::cerr, "Error: Found nothing to list");
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return EXIT_FAILURE;
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}
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if (options.is_set("output"))
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{
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File::CreateFullPath(output_folder_path);
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std::ofstream output_file;
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output_file.open(output_folder_path);
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if (!output_file.is_open())
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{
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fmt::println(std::cerr, "Error: Unable to open output file");
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return EXIT_FAILURE;
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}
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output_file << text;
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}
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return EXIT_SUCCESS;
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}
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bool extracted_one = false;
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if (disc_volume->GetPartitions().empty())
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{
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if (options.is_set("partition"))
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{
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fmt::println(
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std::cerr,
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"Warning: --partition has a value even though this image doesn't have any partitions.");
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}
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extracted_one = HandleExtractPartition(output_folder_path, single_file_path, "", *disc_volume,
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DiscIO::PARTITION_NONE, quiet, options.is_set("single"));
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}
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else
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{
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for (DiscIO::Partition& p : disc_volume->GetPartitions())
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{
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if (const std::optional<u32> partition_type = disc_volume->GetPartitionType(p))
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{
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const std::string partition_name = DiscIO::NameForPartitionType(*partition_type, true);
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if (!specific_partition.empty() &&
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!Common::CaseInsensitiveEquals(specific_partition, partition_name))
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{
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continue;
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}
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extracted_one |=
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HandleExtractPartition(output_folder_path, single_file_path, partition_name,
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*disc_volume, p, quiet, options.is_set("single"));
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}
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}
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}
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if (!extracted_one)
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{
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if (options.is_set("single"))
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fmt::print(std::cerr, "Error: No file/folder was extracted.");
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else
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fmt::print(std::cerr, "Error: No partitions were extracted.");
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if (options.is_set("partition"))
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fmt::println(std::cerr, " Maybe you misspelled your specified partition?");
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fmt::println(std::cerr, "\n");
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return EXIT_FAILURE;
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}
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if (!quiet)
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fmt::println(std::cerr, "Finished Successfully!");
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return EXIT_SUCCESS;
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}
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} // namespace DolphinTool
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