public int GetEntryCount()
{
int count = 0;
FindPosition position = InitialPosition;
HierarchicalRomFileTable tab = ParentFileSystem.FileTable;
if (Mode.HasFlag(OpenDirectoryMode.Directories))
{
while (tab.FindNextDirectory(ref position, out string _))
{
count++;
}
}
if (Mode.HasFlag(OpenDirectoryMode.Files))
{
while (tab.FindNextFile(ref position, out RomFileInfo _, out string _))
{
count++;
}
}
return(count);
}
// todo Don't parse entire table when opening
public RomFsFileSystem(IStorage storage)
{
BaseStorage = storage;
Header = new RomfsHeader(storage.AsFile(OpenMode.Read));
IStorage dirHashTable = storage.Slice(Header.DirHashTableOffset, Header.DirHashTableSize);
IStorage dirEntryTable = storage.Slice(Header.DirMetaTableOffset, Header.DirMetaTableSize);
IStorage fileHashTable = storage.Slice(Header.FileHashTableOffset, Header.FileHashTableSize);
IStorage fileEntryTable = storage.Slice(Header.FileMetaTableOffset, Header.FileMetaTableSize);
FileTable = new HierarchicalRomFileTable(dirHashTable, dirEntryTable, fileHashTable, fileEntryTable);
}
public IEnumerable <DirectoryEntry> Read()
{
FindPosition position = InitialPosition;
HierarchicalRomFileTable tab = ParentFileSystem.FileTable;
if (Mode.HasFlag(OpenDirectoryMode.Directories))
{
while (tab.FindNextDirectory(ref position, out string name))
{
yield return(new DirectoryEntry(name, FullPath + '/' + name, DirectoryEntryType.Directory, 0));
}
}
if (Mode.HasFlag(OpenDirectoryMode.Files))
{
while (tab.FindNextFile(ref position, out RomFileInfo info, out string name))
{
yield return(new DirectoryEntry(name, FullPath + '/' + name, DirectoryEntryType.File, info.Length));
}
}
}
