コード例 #1
0
        private Folder ReadFolder(HeaderBuffer headerBytes)
        {
            Folder folder = new Folder(this);
            folder.Coders = headerBytes.CreateArray<CodersInfo>();

            int numInStreams = 0;
            int numOutStreams = 0;

            foreach (var coder in folder.Coders)
            {
                byte mainByte = headerBytes.ReadByte();
                int size = (byte)(mainByte & 0xF);
                coder.Method = headerBytes.ReadBytes(size);
                if ((mainByte & 0x10) != 0)
                {
                    coder.NumberOfInStreams = headerBytes.ReadEncodedInt64();
                    coder.NumberOfOutStreams = headerBytes.ReadEncodedInt64();
                }
                else
                {
                    coder.NumberOfInStreams = 1;
                    coder.NumberOfOutStreams = 1;
                }
                if ((mainByte & 0x20) != 0)
                {
                    ulong propertiesSize = headerBytes.ReadEncodedInt64();
                    coder.Properties = headerBytes.ReadBytes((int)propertiesSize);
                }
                while ((mainByte & 0x80) != 0)
                {
                    mainByte = headerBytes.ReadByte();
                    headerBytes.ReadBytes(mainByte & 0xF);
                    if ((mainByte & 0x10) != 0)
                    {
                        headerBytes.ReadEncodedInt64();
                        headerBytes.ReadEncodedInt64();
                    }
                    if ((mainByte & 0x20) != 0)
                    {
                        ulong propertiesSize = headerBytes.ReadEncodedInt64();
                        headerBytes.ReadBytes((int)propertiesSize);
                    }
                }
                numInStreams += (int)coder.NumberOfInStreams;
                numOutStreams += (int)coder.NumberOfOutStreams;
            }

            int numBindPairs = numOutStreams - 1;
            folder.BindPairs = new BindPair[numBindPairs];

            for (int i = 0; i < numBindPairs; i++)
            {
                BindPair bindpair = new BindPair();
                folder.BindPairs[i] = bindpair;
                bindpair.InIndex = headerBytes.ReadEncodedInt64();
                bindpair.OutIndex = headerBytes.ReadEncodedInt64();
            }

            int numPackedStreams = numInStreams - numBindPairs;

            folder.PackedStreamIndices = new ulong[numPackedStreams];

            if (numPackedStreams == 1)
            {
                uint pi = 0;
                for (uint j = 0; j < numInStreams; j++)
                {
                    if (!folder.BindPairs.Where(x => x.InIndex == j).Any())
                    {
                        folder.PackedStreamIndices[pi++] = j;
                        break;
                    }
                }
            }
            else
            {
                for (uint i = 0; i < numPackedStreams; i++)
                {
                    folder.PackedStreamIndices[i] = headerBytes.ReadEncodedInt64();
                }
            }
            return folder;
        }
コード例 #2
0
        private Folder ReadFolder(HeaderBuffer headerBytes)
        {
            Folder folder = new Folder(this);

            folder.Coders = headerBytes.CreateArray <CodersInfo>();

            int numInStreams  = 0;
            int numOutStreams = 0;

            foreach (var coder in folder.Coders)
            {
                byte mainByte = headerBytes.ReadByte();
                int  size     = (byte)(mainByte & 0xF);
                coder.Method = headerBytes.ReadBytes(size);
                if ((mainByte & 0x10) != 0)
                {
                    coder.NumberOfInStreams  = headerBytes.ReadEncodedInt64();
                    coder.NumberOfOutStreams = headerBytes.ReadEncodedInt64();
                }
                else
                {
                    coder.NumberOfInStreams  = 1;
                    coder.NumberOfOutStreams = 1;
                }
                if ((mainByte & 0x20) != 0)
                {
                    ulong propertiesSize = headerBytes.ReadEncodedInt64();
                    coder.Properties = headerBytes.ReadBytes((int)propertiesSize);
                }
                while ((mainByte & 0x80) != 0)
                {
                    mainByte = headerBytes.ReadByte();
                    headerBytes.ReadBytes(mainByte & 0xF);
                    if ((mainByte & 0x10) != 0)
                    {
                        headerBytes.ReadEncodedInt64();
                        headerBytes.ReadEncodedInt64();
                    }
                    if ((mainByte & 0x20) != 0)
                    {
                        ulong propertiesSize = headerBytes.ReadEncodedInt64();
                        headerBytes.ReadBytes((int)propertiesSize);
                    }
                }
                numInStreams  += (int)coder.NumberOfInStreams;
                numOutStreams += (int)coder.NumberOfOutStreams;
            }

            int numBindPairs = numOutStreams - 1;

            folder.BindPairs = new BindPair[numBindPairs];

            for (int i = 0; i < numBindPairs; i++)
            {
                BindPair bindpair = new BindPair();
                folder.BindPairs[i] = bindpair;
                bindpair.InIndex    = headerBytes.ReadEncodedInt64();
                bindpair.OutIndex   = headerBytes.ReadEncodedInt64();
            }


            int numPackedStreams = numInStreams - numBindPairs;

            folder.PackedStreamIndices = new ulong[numPackedStreams];

            if (numPackedStreams == 1)
            {
                uint pi = 0;
                for (uint j = 0; j < numInStreams; j++)
                {
                    if (!folder.BindPairs.Where(x => x.InIndex == j).Any())
                    {
                        folder.PackedStreamIndices[pi++] = j;
                        break;
                    }
                }
            }
            else
            {
                for (uint i = 0; i < numPackedStreams; i++)
                {
                    folder.PackedStreamIndices[i] = headerBytes.ReadEncodedInt64();
                }
            }
            return(folder);
        }