mirror of https://git.h3cjp.net/H3cJP/citra.git
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#include "common/common_types.h"
|
|
#include "common/file_util.h"
|
|
#include "common/logging/log.h"
|
|
#include "common/make_unique.h"
|
|
|
|
#include "core/file_sys/archive_extsavedata.h"
|
|
#include "core/file_sys/disk_archive.h"
|
|
#include "core/hle/service/fs/archive.h"
|
|
#include "core/settings.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// FileSys namespace
|
|
|
|
namespace FileSys {
|
|
|
|
std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path) {
|
|
std::vector<u8> vec_data = path.AsBinary();
|
|
const u32* data = reinterpret_cast<const u32*>(vec_data.data());
|
|
u32 save_low = data[1];
|
|
u32 save_high = data[2];
|
|
return Common::StringFromFormat("%s%08X/%08X/", mount_point.c_str(), save_high, save_low);
|
|
}
|
|
|
|
std::string GetExtDataContainerPath(const std::string& mount_point, bool shared) {
|
|
if (shared)
|
|
return Common::StringFromFormat("%sdata/%s/extdata/", mount_point.c_str(), SYSTEM_ID.c_str());
|
|
|
|
return Common::StringFromFormat("%sNintendo 3DS/%s/%s/extdata/", mount_point.c_str(),
|
|
SYSTEM_ID.c_str(), SDCARD_ID.c_str());
|
|
}
|
|
|
|
Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low) {
|
|
std::vector<u8> binary_path;
|
|
binary_path.reserve(12);
|
|
|
|
// Append each word byte by byte
|
|
|
|
// The first word is the media type
|
|
for (unsigned i = 0; i < 4; ++i)
|
|
binary_path.push_back((media_type >> (8 * i)) & 0xFF);
|
|
|
|
// Next is the low word
|
|
for (unsigned i = 0; i < 4; ++i)
|
|
binary_path.push_back((low >> (8 * i)) & 0xFF);
|
|
|
|
// Next is the high word
|
|
for (unsigned i = 0; i < 4; ++i)
|
|
binary_path.push_back((high >> (8 * i)) & 0xFF);
|
|
|
|
return { binary_path };
|
|
}
|
|
|
|
ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location, bool shared)
|
|
: mount_point(GetExtDataContainerPath(mount_location, shared)) {
|
|
LOG_INFO(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
|
|
}
|
|
|
|
bool ArchiveFactory_ExtSaveData::Initialize() {
|
|
if (!FileUtil::CreateFullPath(mount_point)) {
|
|
LOG_ERROR(Service_FS, "Unable to create ExtSaveData base path.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(const Path& path) {
|
|
std::string fullpath = GetExtSaveDataPath(mount_point, path);
|
|
if (!FileUtil::Exists(fullpath)) {
|
|
// TODO(Subv): Check error code, this one is probably wrong
|
|
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
|
|
ErrorSummary::InvalidState, ErrorLevel::Status);
|
|
}
|
|
auto archive = Common::make_unique<DiskArchive>(fullpath);
|
|
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
|
|
}
|
|
|
|
ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path) {
|
|
std::string fullpath = GetExtSaveDataPath(mount_point, path);
|
|
FileUtil::CreateFullPath(fullpath);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
} // namespace FileSys
|