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[ARC] Implement support for compression method 3 (pack).

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Natalia Portillo
2025-09-01 23:35:16 +01:00
parent 753daeba8b
commit 19332c499c
3 changed files with 115 additions and 0 deletions
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6
Aaru.Archives/Arc/Files.cs
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@@ -148,12 +148,17 @@ public sealed partial class Arc
if((int)_entries[entryNumber].Method >= 20) return ErrorNumber.InvalidArgument;
if(_entries[entryNumber].Method > Method.Pack) return ErrorNumber.NotSupported;
Stream stream = new OffsetStream(new NonClosableStream(_stream),
_entries[entryNumber].DataOffset,
_entries[entryNumber].DataOffset + _entries[entryNumber].Compressed);
if(_entries[entryNumber].Uncompressed == 0) stream = new MemoryStream([]);
if(_entries[entryNumber].Method == Method.Pack)
stream = new PackStream(stream, _entries[entryNumber].Uncompressed);
filter = new ZZZNoFilter();
ErrorNumber errno = filter.Open(stream);
@@ -163,5 +168,6 @@ public sealed partial class Arc
return errno;
}
#endregion
}