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[ARC] Implement support for compression method 4 (squeeze).

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Natalia Portillo
2025-09-02 03:11:16 +01:00
parent 19332c499c
commit f8e4ceab71
4 changed files with 116 additions and 3 deletions
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8
Aaru.Archives/Arc/Files.cs
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@@ -3,10 +3,11 @@ using System.IO;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
using Aaru.Compression;
using Aaru.Compression.Arc;
using Aaru.Filters;
using Aaru.Helpers.IO;
using FileAttributes = System.IO.FileAttributes;
using PackStream = Aaru.Compression.Arc.PackStream;
namespace Aaru.Archives;
@@ -148,7 +149,7 @@ public sealed partial class Arc
if((int)_entries[entryNumber].Method >= 20) return ErrorNumber.InvalidArgument;
if(_entries[entryNumber].Method > Method.Pack) return ErrorNumber.NotSupported;
if(_entries[entryNumber].Method > Method.Squeeze) return ErrorNumber.NotSupported;
Stream stream = new OffsetStream(new NonClosableStream(_stream),
_entries[entryNumber].DataOffset,
@@ -159,6 +160,9 @@ public sealed partial class Arc
if(_entries[entryNumber].Method == Method.Pack)
stream = new PackStream(stream, _entries[entryNumber].Uncompressed);
if(_entries[entryNumber].Method == Method.Squeeze)
stream = new SqueezeStream(stream, _entries[entryNumber].Uncompressed);
filter = new ZZZNoFilter();
ErrorNumber errno = filter.Open(stream);