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[FS] Formatting archives v1

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wheremyfoodat 2023-05-16 23:37:52 +03:00
parent 2f5bb45d58
commit 4dc04be350
6 changed files with 67 additions and 4 deletions

4
include/fs/archive_base.hpp
View file

@ -224,6 +224,10 @@ public:
return Err(FSResult::FileNotFound);
}
virtual void format(const FSPath& path, const FormatInfo& info) {
Helpers::panic("Unimplemented Format for %s archive", name().c_str());
}
// Read size bytes from a file starting at offset "offset" into a certain buffer in memory
// Returns the number of bytes read, or nullopt if the read failed
virtual std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) = 0;

4
include/fs/archive_ext_save_data.hpp
View file

@ -17,6 +17,10 @@ public:
FileDescriptor openFile(const FSPath& path, const FilePerms& perms) override;
std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) override;
// Takes in a binary ExtSaveData path, outputs a combination of the backing folder with the low and high save entries of the path
// Used for identifying the archive format info files
std::string getExtSaveDataPathFromBinary(const FSPath& path);
bool isShared = false;
std::string backingFolder; // Backing folder for the archive. Can be NAND, Gamecard or SD depending on the archive path.
};

8
include/fs/archive_save_data.hpp
View file

@ -11,13 +11,19 @@ public:
FSResult createDirectory(const FSPath& path) override;
FSResult createFile(const FSPath& path, u64 size) override;
FSResult deleteFile(const FSPath& path) override;
FormatInfo getFormatInfo(const FSPath& path) override;
Rust::Result<ArchiveBase*, FSResult> openArchive(const FSPath& path) override;
Rust::Result<DirectorySession, FSResult> openDirectory(const FSPath& path) override;
FileDescriptor openFile(const FSPath& path, const FilePerms& perms) override;
std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) override;
void format(const FSPath& path, const FormatInfo& info) override;
FormatInfo getFormatInfo(const FSPath& path) override;
std::filesystem::path getFormatInfoPath() {
return IOFile::getAppData() / "FormatInfo" / "SaveData.format";
}
// Returns whether the cart has save data or not
bool cartHasSaveData() {
auto cxi = mem.getCXI();