Esempio n. 1
0
        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);
        }
Esempio n. 2
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 public IStorage OpenFile(RomfsFile file)
 {
     return(BaseStorage.Slice(Header.DataOffset + file.DataOffset, file.DataLength));
 }
Esempio n. 3
0
 public Stream OpenFile(RomfsFile file)
 {
     return(StreamSource.CreateStream(Header.DataOffset + file.DataOffset, file.DataLength));
 }