1 // IMatchFinder.cs

     2 

     3 using System;

     4 

     5 namespace SevenZip.Compression.LZ

     6 {

     7 	interface IInWindowStream

     8 	{

     9 		void SetStream(System.IO.Stream inStream);

    10 		void Init();

    11 		void ReleaseStream();

    12 		Byte GetIndexByte(Int32 index);

    13 		UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit);

    14 		UInt32 GetNumAvailableBytes();

    15 	}

    16 

    17 	interface IMatchFinder : IInWindowStream

    18 	{

    19 		void Create(UInt32 historySize, UInt32 keepAddBufferBefore,

    20 				UInt32 matchMaxLen, UInt32 keepAddBufferAfter);

    21 		UInt32 GetMatches(UInt32[] distances);

    22 		void Skip(UInt32 num);

    23 	}

    24 }