Beispiel #1
0
        public MstRecord64 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;

            MstRecordLeader64 leader = MstRecordLeader64.Read(memory);
            int amountToRead         = (int)(leader.Length - memory.Length);

            if (amountToRead > 0)
            {
                _AppendStream(_stream, memory, amountToRead);
            }

            List <MstDictionaryEntry64> dictionary
                = new List <MstDictionaryEntry64>();

            for (int i = 0; i < leader.Nvf; i++)
            {
                MstDictionaryEntry64 entry = new MstDictionaryEntry64
                {
                    Tag      = memory.ReadInt32Network(),
                    Position = memory.ReadInt32Network(),
                    Length   = memory.ReadInt32Network()
                };
                dictionary.Add(entry);
            }

            foreach (MstDictionaryEntry64 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);
                }
            }

            MstRecord64 result = new MstRecord64
            {
                Leader     = leader,
                Dictionary = dictionary
            };

            return(result);
        }
Beispiel #2
0
        public MstRecord64 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);

            MstRecordLeader64 leader = MstRecordLeader64.Read(_stream);

            List <MstDictionaryEntry64> dictionary
                = new List <MstDictionaryEntry64>();

            for (int i = 0; i < leader.Nvf; i++)
            {
                MstDictionaryEntry64 entry = new MstDictionaryEntry64
                {
                    Tag      = _stream.ReadInt32Network(),
                    Position = _stream.ReadInt32Network(),
                    Length   = _stream.ReadInt32Network()
                };
                dictionary.Add(entry);
            }

            foreach (MstDictionaryEntry64 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);
                }
            }

            MstRecord64 result = new MstRecord64
            {
                Leader     = leader,
                Dictionary = dictionary
            };

            return(result);
        }
Beispiel #3
0
        public static MstRecordLeader64 Read
        (
            [NotNull] Stream stream
        )
        {
            MstRecordLeader64 result = new MstRecordLeader64
            {
                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 * MstDictionaryEntry64.EntrySize);

            return(result);
        }