c4ed791164
Migrates a remaining common file over to the Common namespace, making it consistent with the rest of common files. This also allows for high-traffic FS related code to alias the filesystem function namespace as namespace FS = Common::FS; for more concise typing.
264 lines
9.5 KiB
C++
264 lines
9.5 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <memory>
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#include <optional>
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#include <ostream>
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#include <string>
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#include "common/concepts.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "core/hle/kernel/process.h"
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#include "core/loader/deconstructed_rom_directory.h"
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#include "core/loader/elf.h"
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#include "core/loader/kip.h"
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#include "core/loader/nax.h"
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#include "core/loader/nca.h"
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#include "core/loader/nro.h"
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#include "core/loader/nso.h"
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#include "core/loader/nsp.h"
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#include "core/loader/xci.h"
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namespace Loader {
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namespace {
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template <Common::DerivedFrom<AppLoader> T>
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std::optional<FileType> IdentifyFileLoader(FileSys::VirtualFile file) {
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const auto file_type = T::IdentifyType(file);
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if (file_type != FileType::Error) {
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return file_type;
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}
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return std::nullopt;
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}
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} // namespace
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FileType IdentifyFile(FileSys::VirtualFile file) {
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if (const auto romdir_type = IdentifyFileLoader<AppLoader_DeconstructedRomDirectory>(file)) {
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return *romdir_type;
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} else if (const auto elf_type = IdentifyFileLoader<AppLoader_ELF>(file)) {
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return *elf_type;
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} else if (const auto nso_type = IdentifyFileLoader<AppLoader_NSO>(file)) {
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return *nso_type;
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} else if (const auto nro_type = IdentifyFileLoader<AppLoader_NRO>(file)) {
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return *nro_type;
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} else if (const auto nca_type = IdentifyFileLoader<AppLoader_NCA>(file)) {
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return *nca_type;
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} else if (const auto xci_type = IdentifyFileLoader<AppLoader_XCI>(file)) {
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return *xci_type;
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} else if (const auto nax_type = IdentifyFileLoader<AppLoader_NAX>(file)) {
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return *nax_type;
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} else if (const auto nsp_type = IdentifyFileLoader<AppLoader_NSP>(file)) {
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return *nsp_type;
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} else if (const auto kip_type = IdentifyFileLoader<AppLoader_KIP>(file)) {
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return *kip_type;
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} else {
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return FileType::Unknown;
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}
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}
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FileType GuessFromFilename(const std::string& name) {
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if (name == "main")
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return FileType::DeconstructedRomDirectory;
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if (name == "00")
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return FileType::NCA;
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const std::string extension =
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Common::ToLower(std::string(Common::FS::GetExtensionFromFilename(name)));
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if (extension == "elf")
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return FileType::ELF;
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if (extension == "nro")
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return FileType::NRO;
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if (extension == "nso")
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return FileType::NSO;
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if (extension == "nca")
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return FileType::NCA;
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if (extension == "xci")
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return FileType::XCI;
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if (extension == "nsp")
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return FileType::NSP;
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if (extension == "kip")
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return FileType::KIP;
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return FileType::Unknown;
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}
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std::string GetFileTypeString(FileType type) {
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switch (type) {
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case FileType::ELF:
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return "ELF";
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case FileType::NRO:
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return "NRO";
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case FileType::NSO:
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return "NSO";
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case FileType::NCA:
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return "NCA";
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case FileType::XCI:
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return "XCI";
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case FileType::NAX:
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return "NAX";
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case FileType::NSP:
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return "NSP";
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case FileType::KIP:
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return "KIP";
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case FileType::DeconstructedRomDirectory:
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return "Directory";
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case FileType::Error:
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case FileType::Unknown:
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break;
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}
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return "unknown";
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}
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constexpr std::array<const char*, 66> RESULT_MESSAGES{
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"The operation completed successfully.",
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"The loader requested to load is already loaded.",
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"The operation is not implemented.",
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"The loader is not initialized properly.",
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"The NPDM file has a bad header.",
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"The NPDM has a bad ACID header.",
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"The NPDM has a bad ACI header,",
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"The NPDM file has a bad file access control.",
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"The NPDM has a bad file access header.",
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"The NPDM has bad kernel capability descriptors.",
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"The PFS/HFS partition has a bad header.",
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"The PFS/HFS partition has incorrect size as determined by the header.",
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"The NCA file has a bad header.",
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"The general keyfile could not be found.",
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"The NCA Header key could not be found.",
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"The NCA Header key is incorrect or the header is invalid.",
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"Support for NCA2-type NCAs is not implemented.",
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"Support for NCA0-type NCAs is not implemented.",
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"The titlekey for this Rights ID could not be found.",
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"The titlekek for this crypto revision could not be found.",
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"The Rights ID in the header is invalid.",
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"The key area key for this application type and crypto revision could not be found.",
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"The key area key is incorrect or the section header is invalid.",
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"The titlekey and/or titlekek is incorrect or the section header is invalid.",
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"The XCI file is missing a Program-type NCA.",
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"The NCA file is not an application.",
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"The ExeFS partition could not be found.",
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"The XCI file has a bad header.",
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"The XCI file is missing a partition.",
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"The file could not be found or does not exist.",
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"The game is missing a program metadata file (main.npdm).",
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"The game uses the currently-unimplemented 32-bit architecture.",
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"Unable to completely parse the kernel metadata when loading the emulated process",
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"The RomFS could not be found.",
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"The ELF file has incorrect size as determined by the header.",
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"There was a general error loading the NRO into emulated memory.",
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"There was a general error loading the NSO into emulated memory.",
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"There is no icon available.",
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"There is no control data available.",
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"The NAX file has a bad header.",
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"The NAX file has incorrect size as determined by the header.",
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"The HMAC to generated the NAX decryption keys failed.",
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"The HMAC to validate the NAX decryption keys failed.",
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"The NAX key derivation failed.",
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"The NAX file cannot be interpreted as an NCA file.",
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"The NAX file has an incorrect path.",
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"The SD seed could not be found or derived.",
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"The SD KEK Source could not be found.",
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"The AES KEK Generation Source could not be found.",
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"The AES Key Generation Source could not be found.",
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"The SD Save Key Source could not be found.",
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"The SD NCA Key Source could not be found.",
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"The NSP file is missing a Program-type NCA.",
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"The BKTR-type NCA has a bad BKTR header.",
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"The BKTR Subsection entry is not located immediately after the Relocation entry.",
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"The BKTR Subsection entry is not at the end of the media block.",
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"The BKTR-type NCA has a bad Relocation block.",
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"The BKTR-type NCA has a bad Subsection block.",
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"The BKTR-type NCA has a bad Relocation bucket.",
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"The BKTR-type NCA has a bad Subsection bucket.",
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"The BKTR-type NCA is missing the base RomFS.",
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"The NSP or XCI does not contain an update in addition to the base game.",
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"The KIP file has a bad header.",
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"The KIP BLZ decompression of the section failed unexpectedly.",
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"The INI file has a bad header.",
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"The INI file contains more than the maximum allowable number of KIP files.",
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};
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std::ostream& operator<<(std::ostream& os, ResultStatus status) {
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os << RESULT_MESSAGES.at(static_cast<std::size_t>(status));
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return os;
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}
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AppLoader::AppLoader(FileSys::VirtualFile file) : file(std::move(file)) {}
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AppLoader::~AppLoader() = default;
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/**
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* Get a loader for a file with a specific type
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* @param file The file to load
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* @param type The type of the file
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* @param file the file to retrieve the loader for
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* @param type the file type
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* @return std::unique_ptr<AppLoader> a pointer to a loader object; nullptr for unsupported type
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*/
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static std::unique_ptr<AppLoader> GetFileLoader(FileSys::VirtualFile file, FileType type) {
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switch (type) {
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// Standard ELF file format.
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case FileType::ELF:
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return std::make_unique<AppLoader_ELF>(std::move(file));
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// NX NSO file format.
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case FileType::NSO:
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return std::make_unique<AppLoader_NSO>(std::move(file));
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// NX NRO file format.
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case FileType::NRO:
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return std::make_unique<AppLoader_NRO>(std::move(file));
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// NX NCA (Nintendo Content Archive) file format.
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case FileType::NCA:
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return std::make_unique<AppLoader_NCA>(std::move(file));
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// NX XCI (nX Card Image) file format.
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case FileType::XCI:
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return std::make_unique<AppLoader_XCI>(std::move(file));
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// NX NAX (NintendoAesXts) file format.
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case FileType::NAX:
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return std::make_unique<AppLoader_NAX>(std::move(file));
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// NX NSP (Nintendo Submission Package) file format
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case FileType::NSP:
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return std::make_unique<AppLoader_NSP>(std::move(file));
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// NX KIP (Kernel Internal Process) file format
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case FileType::KIP:
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return std::make_unique<AppLoader_KIP>(std::move(file));
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// NX deconstructed ROM directory.
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case FileType::DeconstructedRomDirectory:
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return std::make_unique<AppLoader_DeconstructedRomDirectory>(std::move(file));
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default:
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return nullptr;
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}
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}
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std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file) {
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FileType type = IdentifyFile(file);
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FileType filename_type = GuessFromFilename(file->GetName());
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// Special case: 00 is either a NCA or NAX.
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if (type != filename_type && !(file->GetName() == "00" && type == FileType::NAX)) {
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LOG_WARNING(Loader, "File {} has a different type than its extension.", file->GetName());
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if (FileType::Unknown == type)
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type = filename_type;
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}
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LOG_DEBUG(Loader, "Loading file {} as {}...", file->GetName(), GetFileTypeString(type));
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return GetFileLoader(std::move(file), type);
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}
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} // namespace Loader
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