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CombinedStream and Managed Decompression Stream optimization #10

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CombinedStream and Managed Decompression Stream optimization #10

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c508fe2
[Attempt No.1] Optimize CombinedStream
neon-nyan Jul 10, 2026
6828fcd
Some code cleanups
neon-nyan Jul 10, 2026
7c3025f
Fix predefined length from CombinedStreamSegment ignored
neon-nyan Jul 10, 2026
dd398d5
Switch to RandomAccess.Read/Write to avoid often Position change
neon-nyan Jul 10, 2026
a3ad432
Optimize BZip2 Decompress Stream
neon-nyan Jul 11, 2026
cd916e9
Fix PatchEvent Speed and TimeLeft calculation
neon-nyan Jul 11, 2026
91c4938
Add missing NuGet
neon-nyan Jul 11, 2026
8eb8481
Update Test
neon-nyan Jul 11, 2026
441eb38
Code Cleanups
neon-nyan Jul 11, 2026
5dbf810
Update SharpHDiffPatch.sln
neon-nyan Jul 11, 2026
7a79c76
Fix CopyTo on ChunkStream not implemented
neon-nyan Jul 11, 2026
b4ec862
Optimize LZMA2 Decompress Stream
neon-nyan Jul 11, 2026
2150a96
Update BZip2Decompression README
neon-nyan Jul 11, 2026
3ee30e2
LzmaStream -> LzmaInputStream
neon-nyan Jul 11, 2026
cb82a34
:osubruh:
neon-nyan Jul 11, 2026
b726f07
Avoid infinity or divided-by-0 on calculating TimeLeft event
neon-nyan Jul 11, 2026
7974966
Rename exception
neon-nyan Jul 12, 2026
b3e6f12
Unified Init for BitDecoders
neon-nyan Jul 12, 2026
8ff8fce
Sort usings
neon-nyan Jul 12, 2026
1d55a4a
Reduce alloc on LzmaDecoder
neon-nyan Jul 12, 2026
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7 changes: 3 additions & 4 deletions SharpHDiffPatch.Core/Binary/BinaryExtensions.cs
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
using SharpHDiffPatch.Core.Patch;
using System;
using System;
using System.Buffers;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using SharpHDiffPatch.Core.Patch;

namespace SharpHDiffPatch.Core.Binary
{
Expand Down Expand Up @@ -178,10 +178,9 @@ public static void GetPathsFromStream(this Stream reader, out string[] outputPat
public static unsafe void GetPathsFromBuffer(this Span<byte> buffer, out string[] outputPaths, int count)
{
outputPaths = new string[count];
int inLen = buffer.Length;

int idx = 0, strIdx = 0;
#if (NETSTANDARD2_0 || NET461_OR_GREATER)
#if NETSTANDARD2_0 || NET461_OR_GREATER
int len = 0;
#endif
fixed (byte* inputPtr = &MemoryMarshal.GetReference(buffer))
Expand Down
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