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Virtual Filesystem (#597)

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* Add VfsFile and VfsDirectory classes

* Finish abstract Vfs classes

* Implement RealVfsFile (computer fs backend)

* Finish RealVfsFile and RealVfsDirectory

* Finished OffsetVfsFile

* More changes

* Fix import paths

* Major refactor

* Remove double const

* Use experimental/filesystem or filesystem depending on compiler

* Port partition_filesystem

* More changes

* More Overhaul

* FSP_SRV fixes

* Fixes and testing

* Try to get filesystem to compile

* Filesystem on linux

* Remove std::filesystem and document/test

* Compile fixes

* Missing include

* Bug fixes

* Fixes

* Rename v_file and v_dir

* clang-format fix

* Rename NGLOG_* to LOG_*

* Most review changes

* Fix TODO

* Guess 'main' to be Directory by filename
This commit is contained in:
Zach Hilman
2018-07-06 10:51:32 -04:00
committed by bunnei
parent 51bd76a5fd
commit 77c684c114
45 changed files with 1796 additions and 1688 deletions
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47
src/core/file_sys/program_metadata.cpp
View File

@ -9,40 +9,29 @@
namespace FileSys {
Loader::ResultStatus ProgramMetadata::Load(const std::string& file_path) {
FileUtil::IOFile file(file_path, "rb");
if (!file.IsOpen())
return Loader::ResultStatus::Error;
std::vector<u8> file_data(file.GetSize());
if (!file.ReadBytes(file_data.data(), file_data.size()))
return Loader::ResultStatus::Error;
Loader::ResultStatus result = Load(file_data);
if (result != Loader::ResultStatus::Success)
LOG_ERROR(Service_FS, "Failed to load NPDM from file {}!", file_path);
return result;
}
Loader::ResultStatus ProgramMetadata::Load(const std::vector<u8> file_data, size_t offset) {
size_t total_size = static_cast<size_t>(file_data.size() - offset);
Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
size_t total_size = static_cast<size_t>(file->GetSize());
if (total_size < sizeof(Header))
return Loader::ResultStatus::Error;
size_t header_offset = offset;
memcpy(&npdm_header, &file_data[offset], sizeof(Header));
// TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable.
std::vector<u8> npdm_header_data = file->ReadBytes(sizeof(Header));
if (sizeof(Header) != npdm_header_data.size())
return Loader::ResultStatus::Error;
std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header));
size_t aci_offset = header_offset + npdm_header.aci_offset;
size_t acid_offset = header_offset + npdm_header.acid_offset;
memcpy(&aci_header, &file_data[aci_offset], sizeof(AciHeader));
memcpy(&acid_header, &file_data[acid_offset], sizeof(AcidHeader));
std::vector<u8> acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset);
if (sizeof(AcidHeader) != acid_header_data.size())
return Loader::ResultStatus::Error;
std::memcpy(&acid_header, acid_header_data.data(), sizeof(AcidHeader));
size_t fac_offset = acid_offset + acid_header.fac_offset;
size_t fah_offset = aci_offset + aci_header.fah_offset;
memcpy(&acid_file_access, &file_data[fac_offset], sizeof(FileAccessControl));
memcpy(&aci_file_access, &file_data[fah_offset], sizeof(FileAccessHeader));
if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset))
return Loader::ResultStatus::Error;
if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset))
return Loader::ResultStatus::Error;
if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset))
return Loader::ResultStatus::Error;
return Loader::ResultStatus::Success;
}