51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System.IO;
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#if NET6_0_OR_GREATER
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using System.IO.Compression;
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#else
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Zlib;
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#endif
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO.Compression
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{
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internal static class ZLib
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{
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internal static Stream CompressOutput(Stream stream, int zlibCompressionLevel, bool leaveOpen = false)
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{
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#if NET6_0_OR_GREATER
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return new ZLibStream(stream, GetCompressionLevel(zlibCompressionLevel), leaveOpen);
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#else
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return leaveOpen
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? new ZOutputStreamLeaveOpen(stream, zlibCompressionLevel, false)
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: new ZOutputStream(stream, zlibCompressionLevel, false);
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#endif
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}
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internal static Stream DecompressInput(Stream stream)
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{
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#if NET6_0_OR_GREATER
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return new ZLibStream(stream, CompressionMode.Decompress, leaveOpen: false);
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#else
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return new ZInputStream(stream);
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#endif
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}
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#if NET6_0_OR_GREATER
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internal static CompressionLevel GetCompressionLevel(int zlibCompressionLevel)
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{
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return zlibCompressionLevel switch
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{
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0 => CompressionLevel.NoCompression,
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1 or 2 or 3 => CompressionLevel.Fastest,
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7 or 8 or 9 => CompressionLevel.SmallestSize,
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_ => CompressionLevel.Optimal,
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};
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}
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#endif
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}
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}
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#pragma warning restore
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#endif
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