public Romfs(IStorage storage)
{
BaseStorage = storage;
byte[] dirMetaTable;
byte[] fileMetaTable;
using (var reader = new BinaryReader(BaseStorage.AsStream(), Encoding.Default, true))
{
Header = new RomfsHeader(reader);
reader.BaseStream.Position = Header.DirMetaTableOffset;
dirMetaTable = reader.ReadBytes((int)Header.DirMetaTableSize);
reader.BaseStream.Position = Header.FileMetaTableOffset;
fileMetaTable = reader.ReadBytes((int)Header.FileMetaTableSize);
}
using (var reader = new BinaryReader(new MemoryStream(dirMetaTable)))
{
int position = 0;
while (position + 20 < Header.DirMetaTableSize)
{
var dir = new RomfsDir(reader)
{
Offset = position
};
Directories.Add(dir);
if (dir.ParentDirOffset == position)
{
RootDir = dir;
}
position = (int)reader.BaseStream.Position;
}
}
using (var reader = new BinaryReader(new MemoryStream(fileMetaTable)))
{
int position = 0;
while (position + 20 < Header.FileMetaTableSize)
{
var file = new RomfsFile(reader)
{
Offset = position
};
Files.Add(file);
position = (int)reader.BaseStream.Position;
}
}
SetReferences();
RomfsEntry.ResolveFilenames(Files);
RomfsEntry.ResolveFilenames(Directories);
FileDict = Files.ToDictionary(x => x.FullPath, x => x);
}
public IStorage OpenFile(RomfsFile file)
{
return(BaseStorage.Slice(Header.DataOffset + file.DataOffset, file.DataLength));
}
public Stream OpenFile(RomfsFile file)
{
return(StreamSource.CreateStream(Header.DataOffset + file.DataOffset, file.DataLength));
}