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https://github.com/SabreTools/SabreTools.Models.git
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93 lines
2.6 KiB
C#
93 lines
2.6 KiB
C#
namespace SabreTools.Models.Compression.LZX
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{
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/// <summary>
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/// An aligned offset block is identical to the verbatim block except for the presence of the aligned offset
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/// tree preceding the other trees.
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/// </summary>
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/// <see href="https://interoperability.blob.core.windows.net/files/MS-PATCH/%5bMS-PATCH%5d.pdf"/>
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public class AlignedOffsetBlock
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{
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/// <summary>
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/// Generic block header
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/// </summary>
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#if NET48
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public BlockHeader Header;
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#else
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public BlockHeader? Header;
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#endif
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/// <summary>
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/// Aligned offset tree
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/// </summary>
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/// <remarks>8 elements, 3 bits each</remarks>
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#if NET48
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public byte[] AlignedOffsetTree;
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#else
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public byte[]? AlignedOffsetTree;
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#endif
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/// <summary>
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/// Pretree for first 256 elements of main tree
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/// </summary>
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/// <remarks>20 elements, 4 bits each</remarks>
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#if NET48
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public byte[] PretreeFirst256;
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#else
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public byte[]? PretreeFirst256;
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#endif
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/// <summary>
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/// Path lengths of first 256 elements of main tree
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/// </summary>
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/// <remarks>Encoded using pretree</remarks>
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#if NET48
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public int[] PathLengthsFirst256;
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#else
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public int[]? PathLengthsFirst256;
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#endif
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/// <summary>
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/// Pretree for remainder of main tree
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/// </summary>
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/// <remarks>20 elements, 4 bits each</remarks>
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#if NET48
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public byte[] PretreeRemainder;
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#else
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public byte[]? PretreeRemainder;
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#endif
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/// <summary>
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/// Path lengths of remaining elements of main tree
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/// </summary>
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/// <remarks>Encoded using pretree</remarks>
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#if NET48
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public int[] PathLengthsRemainder;
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#else
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public int[]? PathLengthsRemainder;
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#endif
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/// <summary>
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/// Pretree for length tree
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/// </summary>
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/// <remarks>20 elements, 4 bits each</remarks>
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#if NET48
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public byte[] PretreeLengthTree;
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#else
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public byte[]? PretreeLengthTree;
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#endif
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/// <summary>
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/// Path lengths of elements in length tree
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/// </summary>
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/// <remarks>Encoded using pretree</remarks>
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#if NET48
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public int[] PathLengthsLengthTree;
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#else
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public int[]? PathLengthsLengthTree;
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#endif
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// Entry Comments Size
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// ---------------------------------------------------------------------------------------
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// Token sequence (matches and literals) Specified in section 2.6 Variable
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}
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} |