public MstRecord ReadRecord2 ( long offset ) { if (_stream.Seek(offset, SeekOrigin.Begin) != offset) { throw new IOException(); } Encoding encoding = new UTF8Encoding(false, true); MemoryStream memory = new MemoryStream(PreloadLength); _AppendStream(_stream, memory, PreloadLength); memory.Position = 0; MstRecordLeader leader = MstRecordLeader.Read(memory); int amountToRead = (int)(leader.Length - memory.Length); if (amountToRead > 0) { _AppendStream(_stream, memory, amountToRead); } List <MstDictionaryEntry> dictionary = new List <MstDictionaryEntry>(); for (int i = 0; i < leader.Nvf; i++) { MstDictionaryEntry entry = new MstDictionaryEntry { Tag = memory.ReadInt32Network(), Position = memory.ReadInt32Network(), Length = memory.ReadInt32Network() }; dictionary.Add(entry); } foreach (MstDictionaryEntry entry in dictionary) { long endOffset = leader.Base + entry.Position; memory.Seek(endOffset, SeekOrigin.Begin); entry.Bytes = memory.ReadBytes(entry.Length); if (entry.Bytes != null) { entry.Text = encoding.GetString(entry.Bytes); } } MstRecord result = new MstRecord { Leader = leader, Dictionary = dictionary }; return(result); }
public MstRecord ReadRecord(long offset) { if (_stream.Seek(offset, SeekOrigin.Begin) != offset) { throw new IOException(); } //new ObjectDumper() // .DumpStream(_stream,offset,64) // .WriteLine(); Encoding encoding = new UTF8Encoding(false, true); MstRecordLeader leader = MstRecordLeader.Read(_stream); List <MstDictionaryEntry> dictionary = new List <MstDictionaryEntry> (); for (int i = 0; i < leader.Nvf; i++) { MstDictionaryEntry entry = new MstDictionaryEntry { Tag = _stream.ReadInt32Network(), Position = _stream.ReadInt32Network(), Length = _stream.ReadInt32Network() }; dictionary.Add(entry); } foreach (MstDictionaryEntry entry in dictionary) { long endOffset = offset + leader.Base + entry.Position; _stream.Seek(endOffset, SeekOrigin.Begin); entry.Bytes = _stream.ReadBytes(entry.Length); if (entry.Bytes != null) { entry.Text = encoding.GetString(entry.Bytes); } } MstRecord result = new MstRecord { Leader = leader, Dictionary = dictionary }; return(result); }
public static MstRecordLeader Read(Stream stream) { MstRecordLeader result = new MstRecordLeader { Mfn = stream.ReadInt32Network(), Length = stream.ReadInt32Network(), Previous = stream.ReadInt64Network(), Base = stream.ReadInt32Network(), Nvf = stream.ReadInt32Network(), Version = stream.ReadInt32Network(), Status = stream.ReadInt32Network() }; Debug.Assert(result.Base == (LeaderSize + result.Nvf * MstDictionaryEntry.EntrySize)); return(result); }