protected override Result DoOpenFile(out IFile file, U8Span path, OpenMode mode)
{
file = default;
FsPath normalizedPath;
unsafe { _ = &normalizedPath; } // workaround for CS0165
Result rc = PathTool.Normalize(normalizedPath.Str, out _, path, false, false);
if (rc.IsFailure())
{
return(rc);
}
if (!FileTable.TryOpenFile(normalizedPath, out SaveFileInfo fileInfo))
{
return(ResultFs.PathNotFound.Log());
}
AllocationTableStorage storage = OpenFatStorage(fileInfo.StartBlock);
file = new SaveDataFile(storage, normalizedPath, FileTable, fileInfo.Length, mode);
return(Result.Success);
}
public SaveDataFile(AllocationTableStorage baseStorage, U8Span path, HierarchicalSaveFileTable fileTable, long size, OpenMode mode)
{
Mode = mode;
BaseStorage = baseStorage;
Path = path.ToU8String();
FileTable = fileTable;
Size = size;
}
public SaveDataFileSystemCore(IStorage storage, IStorage allocationTable, IStorage header)
{
HeaderStorage = header;
BaseStorage = storage;
AllocationTable = new AllocationTable(allocationTable, header.Slice(0x18, 0x30));
Header = new SaveHeader(HeaderStorage);
AllocationTableStorage dirTableStorage = OpenFatStorage(AllocationTable.Header.DirectoryTableBlock);
AllocationTableStorage fileTableStorage = OpenFatStorage(AllocationTable.Header.FileTableBlock);
FileTable = new HierarchicalSaveFileTable(dirTableStorage, fileTableStorage);
}
protected override Result OpenFileImpl(out IFile file, string path, OpenMode mode)
{
file = default;
path = PathTools.Normalize(path);
if (!FileTable.TryOpenFile(path, out SaveFileInfo fileInfo))
{
return(ResultFs.PathNotFound.Log());
}
AllocationTableStorage storage = OpenFatStorage(fileInfo.StartBlock);
file = new SaveDataFile(storage, path, FileTable, fileInfo.Length, mode);
return(Result.Success);
}
protected override Result DoOpenFile(out IFile file, U8Span path, OpenMode mode)
{
UnsafeHelpers.SkipParamInit(out file);
Unsafe.SkipInit(out FsPath normalizedPath);
Result rc = PathTool.Normalize(normalizedPath.Str, out _, path, false, false);
if (rc.IsFailure())
{
return(rc);
}
if (!FileTable.TryOpenFile(normalizedPath, out SaveFileInfo fileInfo))
{
return(ResultFs.PathNotFound.Log());
}
AllocationTableStorage storage = OpenFatStorage(fileInfo.StartBlock);
file = new SaveDataFile(storage, normalizedPath, FileTable, fileInfo.Length, mode);
return(Result.Success);
}