示例#1
0
        private static Stream CreateDecoderStream(Stream[] packStreams, long[] packSizes, Stream[] outStreams, CFolder folderInfo, int coderIndex, IPasswordProvider pass)
        {
            int        num2;
            CCoderInfo info = folderInfo.Coders[coderIndex];

            if (info.NumOutStreams != 1)
            {
                throw new NotSupportedException("Multiple output streams are not supported.");
            }
            int inStreamIndex = 0;

            for (num2 = 0; num2 < coderIndex; num2++)
            {
                inStreamIndex += folderInfo.Coders[num2].NumInStreams;
            }
            int num3 = 0;

            for (num2 = 0; num2 < coderIndex; num2++)
            {
                num3 += folderInfo.Coders[num2].NumOutStreams;
            }
            Stream[] inStreams = new Stream[info.NumInStreams];
            num2 = 0;
            while (num2 < inStreams.Length)
            {
                int num4 = folderInfo.FindBindPairForInStream(inStreamIndex);
                if (num4 >= 0)
                {
                    int outIndex = folderInfo.BindPairs[num4].OutIndex;
                    if (outStreams[outIndex] != null)
                    {
                        throw new NotSupportedException("Overlapping stream bindings are not supported.");
                    }
                    int num6 = FindCoderIndexForOutStreamIndex(folderInfo, outIndex);
                    inStreams[num2] = CreateDecoderStream(packStreams, packSizes, outStreams, folderInfo, num6, pass);
                    if (outStreams[outIndex] != null)
                    {
                        throw new NotSupportedException("Overlapping stream bindings are not supported.");
                    }
                    outStreams[outIndex] = inStreams[num2];
                }
                else
                {
                    int index = folderInfo.FindPackStreamArrayIndex(inStreamIndex);
                    if (index < 0)
                    {
                        throw new NotSupportedException("Could not find input stream binding.");
                    }
                    inStreams[num2] = packStreams[index];
                }
                num2++;
                inStreamIndex++;
            }
            long limit = folderInfo.UnpackSizes[num3];

            return(DecoderRegistry.CreateDecoderStream(info.MethodId, inStreams, info.Props, pass, limit));
        }
示例#2
0
        private static Stream CreateDecoderStream(Stream[] packStreams, long[] packSizes, Stream[] outStreams,
                                                  CFolder folderInfo, int coderIndex, IPasswordProvider pass)
        {
            var coderInfo = folderInfo.Coders[coderIndex];

            if (coderInfo.NumOutStreams != 1)
            {
                throw new NotSupportedException("Multiple output streams are not supported.");
            }

            int inStreamId = 0;

            for (int i = 0; i < coderIndex; i++)
            {
                inStreamId += folderInfo.Coders[i].NumInStreams;
            }

            int outStreamId = 0;

            for (int i = 0; i < coderIndex; i++)
            {
                outStreamId += folderInfo.Coders[i].NumOutStreams;
            }

            Stream[] inStreams = new Stream[coderInfo.NumInStreams];

            for (int i = 0; i < inStreams.Length; i++, inStreamId++)
            {
                int bindPairIndex = folderInfo.FindBindPairForInStream(inStreamId);
                if (bindPairIndex >= 0)
                {
                    int pairedOutIndex = folderInfo.BindPairs[bindPairIndex].OutIndex;

                    if (outStreams[pairedOutIndex] != null)
                    {
                        throw new NotSupportedException("Overlapping stream bindings are not supported.");
                    }

                    int otherCoderIndex = FindCoderIndexForOutStreamIndex(folderInfo, pairedOutIndex);
                    inStreams[i] = CreateDecoderStream(packStreams, packSizes, outStreams, folderInfo, otherCoderIndex,
                                                       pass);
                    //inStreamSizes[i] = folderInfo.UnpackSizes[pairedOutIndex];

                    if (outStreams[pairedOutIndex] != null)
                    {
                        throw new NotSupportedException("Overlapping stream bindings are not supported.");
                    }

                    outStreams[pairedOutIndex] = inStreams[i];
                }
                else
                {
                    int index = folderInfo.FindPackStreamArrayIndex(inStreamId);
                    if (index < 0)
                    {
                        throw new NotSupportedException("Could not find input stream binding.");
                    }

                    inStreams[i] = packStreams[index];
                    //inStreamSizes[i] = packSizes[index];
                }
            }

            long unpackSize = folderInfo.UnpackSizes[outStreamId];

            return(DecoderRegistry.CreateDecoderStream(coderInfo.MethodId, inStreams, coderInfo.Props, pass, unpackSize));
        }