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citra-canary/src/core/file_sys/archive_romfs.cpp
Subv 13efbdc201 SaveDataCheck: Preliminary work in this archive.
This allows Steel Diver to boot further, some files are needed.

This is still not ready and needs a big cleanup, this will possibly be delayed until the way we handle archives is fixed (with factory classes instead of ahead-of-time creation of archives)
2015-01-02 21:13:53 -05:00

96 lines
3.0 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_romfs.h"
#include "core/file_sys/directory_romfs.h"
#include "core/file_sys/file_romfs.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
// Load the RomFS from the app
if (Loader::ResultStatus::Success != app_loader.ReadRomFS(raw_data)) {
LOG_ERROR(Service_FS, "Unable to read RomFS!");
}
}
Archive_RomFS::Archive_RomFS(std::string mountp) : mount_point(mountp) {
}
std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
return Common::make_unique<File_RomFS>(this);
}
bool Archive_RomFS::DeleteFile(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to delete a file from ROMFS.");
return false;
}
bool Archive_RomFS::RenameFile(const Path& src_path, const Path& dest_path) const {
LOG_WARNING(Service_FS, "Attempted to rename a file within ROMFS.");
return false;
}
bool Archive_RomFS::DeleteDirectory(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to delete a directory from ROMFS.");
return false;
}
ResultCode Archive_RomFS::CreateFile(const Path& path, u32 size) const {
LOG_WARNING(Service_FS, "Attempted to create a file in ROMFS.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
bool Archive_RomFS::CreateDirectory(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to create a directory in ROMFS.");
return false;
}
bool Archive_RomFS::RenameDirectory(const Path& src_path, const Path& dest_path) const {
LOG_WARNING(Service_FS, "Attempted to rename a file within ROMFS.");
return false;
}
std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
return Common::make_unique<Directory_RomFS>();
}
ResultCode Archive_RomFS::Format(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to format ROMFS.");
return UnimplementedFunction(ErrorModule::FS);
}
ResultCode Archive_RomFS::Open(const Path& path) {
if (mount_point.empty())
return RESULT_SUCCESS;
auto vec = path.AsBinary();
const u32* data = reinterpret_cast<u32*>(vec.data());
std::string file_path = Common::StringFromFormat("%s%08X%08X.bin", mount_point.c_str(), data[1], data[0]);
FileUtil::IOFile file(file_path, "rb");
std::fill(raw_data.begin(), raw_data.end(), 0);
if (!file.IsOpen()) {
return ResultCode(-1); // TODO(Subv): Find the right error code
}
auto size = file.GetSize();
raw_data.resize(size);
file.ReadBytes(raw_data.data(), size);
file.Close();
return RESULT_SUCCESS;
}
} // namespace FileSys