mirror of
https://github.com/citra-emu/citra.git
synced 2024-12-19 09:01:06 +00:00
113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <cstring>
|
|
#include <memory>
|
|
#include "common/common_types.h"
|
|
#include "common/logging/log.h"
|
|
#include "core/file_sys/ivfc_archive.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// FileSys namespace
|
|
|
|
namespace FileSys {
|
|
|
|
std::string IVFCArchive::GetName() const {
|
|
return "IVFC";
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<FileBackend>> IVFCArchive::OpenFile(const Path& path,
|
|
const Mode& mode) const {
|
|
return MakeResult<std::unique_ptr<FileBackend>>(
|
|
std::make_unique<IVFCFile>(romfs_file, data_offset, data_size));
|
|
}
|
|
|
|
ResultCode IVFCArchive::DeleteFile(const Path& path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to delete a file from an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(Subv): Verify error code
|
|
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
|
|
ErrorLevel::Status);
|
|
}
|
|
|
|
ResultCode IVFCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to rename a file within an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(wwylele): Use correct error code
|
|
return ResultCode(-1);
|
|
}
|
|
|
|
ResultCode IVFCArchive::DeleteDirectory(const Path& path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(wwylele): Use correct error code
|
|
return ResultCode(-1);
|
|
}
|
|
|
|
ResultCode IVFCArchive::DeleteDirectoryRecursively(const Path& path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(wwylele): Use correct error code
|
|
return ResultCode(-1);
|
|
}
|
|
|
|
ResultCode IVFCArchive::CreateFile(const Path& path, u64 size) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to create a file in an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO: Verify error code
|
|
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported,
|
|
ErrorLevel::Permanent);
|
|
}
|
|
|
|
ResultCode IVFCArchive::CreateDirectory(const Path& path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to create a directory in an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(wwylele): Use correct error code
|
|
return ResultCode(-1);
|
|
}
|
|
|
|
ResultCode IVFCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
|
|
LOG_CRITICAL(Service_FS, "Attempted to rename a file within an IVFC archive (%s).",
|
|
GetName().c_str());
|
|
// TODO(wwylele): Use correct error code
|
|
return ResultCode(-1);
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<DirectoryBackend>> IVFCArchive::OpenDirectory(const Path& path) const {
|
|
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<IVFCDirectory>());
|
|
}
|
|
|
|
u64 IVFCArchive::GetFreeBytes() const {
|
|
LOG_WARNING(Service_FS, "Attempted to get the free space in an IVFC archive");
|
|
return 0;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ResultVal<size_t> IVFCFile::Read(const u64 offset, const size_t length, u8* buffer) const {
|
|
LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
|
|
romfs_file->Seek(data_offset + offset, SEEK_SET);
|
|
size_t read_length = (size_t)std::min((u64)length, data_size - offset);
|
|
|
|
return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
|
|
}
|
|
|
|
ResultVal<size_t> IVFCFile::Write(const u64 offset, const size_t length, const bool flush,
|
|
const u8* buffer) {
|
|
LOG_ERROR(Service_FS, "Attempted to write to IVFC file");
|
|
// TODO(Subv): Find error code
|
|
return MakeResult<size_t>(0);
|
|
}
|
|
|
|
u64 IVFCFile::GetSize() const {
|
|
return data_size;
|
|
}
|
|
|
|
bool IVFCFile::SetSize(const u64 size) const {
|
|
LOG_ERROR(Service_FS, "Attempted to set the size of an IVFC file");
|
|
return false;
|
|
}
|
|
|
|
} // namespace FileSys
|