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Add support to compress repository with zstd.

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Natalia Portillo
2025-07-25 17:49:36 +01:00
parent bf19439e49
commit 0bda03afee
12 changed files with 224 additions and 71 deletions
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35
RomRepoMgr.Core/Workers/Compression.cs
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@@ -28,8 +28,11 @@ using System.Diagnostics;
using System.IO;
using RomRepoMgr.Core.EventArgs;
using RomRepoMgr.Core.Resources;
using RomRepoMgr.Settings;
using SharpCompress.Compressors;
using SharpCompress.Compressors.LZMA;
using ZstdSharp;
using ZstdSharp.Unsafe;
using ErrorEventArgs = RomRepoMgr.Core.EventArgs.ErrorEventArgs;
namespace RomRepoMgr.Core.Workers;
@@ -45,11 +48,21 @@ public sealed class Compression
public void CompressFile(string source, string destination)
{
var inFs = new FileStream(source, FileMode.Open, FileAccess.Read);
var outFs = new FileStream(destination, FileMode.CreateNew, FileAccess.Write);
Stream zStream = new LZipStream(outFs, CompressionMode.Compress);
var inFs = new FileStream(source, FileMode.Open, FileAccess.Read);
var outFs = new FileStream(destination, FileMode.CreateNew, FileAccess.Write);
var buffer = new byte[BUFFER_SIZE];
Stream zStream;
if(Settings.Settings.Current.Compression == CompressionType.Zstd)
{
var zstdStream = new CompressionStream(outFs, 15);
zstdStream.SetParameter(ZSTD_cParameter.ZSTD_c_nbWorkers, Environment.ProcessorCount);
zStream = zstdStream;
}
else
zStream = new LZipStream(outFs, CompressionMode.Compress);
byte[] buffer = new byte[BUFFER_SIZE];
SetProgressBounds?.Invoke(this,
new ProgressBoundsEventArgs
@@ -89,9 +102,17 @@ public sealed class Compression
public void DecompressFile(string source, string destination)
{
var inFs = new FileStream(source, FileMode.Open, FileAccess.Read);
var outFs = new FileStream(destination, FileMode.Create, FileAccess.Write);
Stream zStream = new LZipStream(inFs, CompressionMode.Decompress);
var inFs = new FileStream(source, FileMode.Open, FileAccess.Read);
var outFs = new FileStream(destination, FileMode.Create, FileAccess.Write);
Stream zStream;
if(Path.GetExtension(source) == ".zst")
zStream = new DecompressionStream(inFs);
else if(Path.GetExtension(source) == ".lz")
zStream = new LZipStream(inFs, CompressionMode.Decompress);
else
throw new ArgumentException($"Invalid compression extension {Path.GetExtension(source)}");
zStream.CopyTo(outFs);