Feat: New compiled loader classes. Safe Mode, hold ctrl+shift when RB…

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Helpers/SevenZip/Compress/CRC.cs

@@ -0,0 +1,54 @@
+// Common/CRC.cs
+
+namespace SevenZip;
+
+class CRC
+{
+    public static readonly uint[] Table;
+
+    static CRC()
+    {
+        Table = new uint[256];
+        const uint kPoly = 0xEDB88320;
+        for (uint i = 0; i < 256; i++)
+        {
+            uint r = i;
+            for (int j = 0; j < 8; j++)
+                if ((r & 1) != 0)
+                    r = (r >> 1) ^ kPoly;
+                else
+                    r >>= 1;
+            Table[i] = r;
+        }
+    }
+
+    uint _value = 0xFFFFFFFF;
+
+    public void Init() { _value = 0xFFFFFFFF; }
+
+    public void UpdateByte(byte b)
+    {
+        _value = Table[(((byte)(_value)) ^ b)] ^ (_value >> 8);
+    }
+
+    public void Update(byte[] data, uint offset, uint size)
+    {
+        for (uint i = 0; i < size; i++)
+            _value = Table[(((byte)(_value)) ^ data[offset + i])] ^ (_value >> 8);
+    }
+
+    public uint GetDigest() { return _value ^ 0xFFFFFFFF; }
+
+    static uint CalculateDigest(byte[] data, uint offset, uint size)
+    {
+        CRC crc = new CRC();
+        // crc.Init();
+        crc.Update(data, offset, size);
+        return crc.GetDigest();
+    }
+
+    static bool VerifyDigest(uint digest, byte[] data, uint offset, uint size)
+    {
+        return (CalculateDigest(data, offset, size) == digest);
+    }
+}

Helpers/SevenZip/Compress/ICoder.cs

@@ -0,0 +1,157 @@
+// ICoder.h
+
+using System;
+
+namespace SevenZip
+{
+	/// <summary>
+	/// The exception that is thrown when an error in input stream occurs during decoding.
+	/// </summary>
+	class DataErrorException : ApplicationException
+	{
+		public DataErrorException(): base("Data Error") { }
+	}
+
+	/// <summary>
+	/// The exception that is thrown when the value of an argument is outside the allowable range.
+	/// </summary>
+	class InvalidParamException : ApplicationException
+	{
+		public InvalidParamException(): base("Invalid Parameter") { }
+	}
+
+	public interface ICodeProgress
+	{
+		/// <summary>
+		/// Callback progress.
+		/// </summary>
+		/// <param name="inSize">
+		/// input size. -1 if unknown.
+		/// </param>
+		/// <param name="outSize">
+		/// output size. -1 if unknown.
+		/// </param>
+		void SetProgress(Int64 inSize, Int64 outSize);
+	};
+
+	public interface ICoder
+	{
+		/// <summary>
+		/// Codes streams.
+		/// </summary>
+		/// <param name="inStream">
+		/// input Stream.
+		/// </param>
+		/// <param name="outStream">
+		/// output Stream.
+		/// </param>
+		/// <param name="inSize">
+		/// input Size. -1 if unknown.
+		/// </param>
+		/// <param name="outSize">
+		/// output Size. -1 if unknown.
+		/// </param>
+		/// <param name="progress">
+		/// callback progress reference.
+		/// </param>
+		/// <exception cref="SevenZip.DataErrorException">
+		/// if input stream is not valid
+		/// </exception>
+		void Code(System.IO.Stream inStream, System.IO.Stream outStream,
+			Int64 inSize, Int64 outSize, ICodeProgress progress);
+	};
+
+	/*
+	public interface ICoder2
+	{
+		 void Code(ISequentialInStream []inStreams,
+				const UInt64 []inSizes, 
+				ISequentialOutStream []outStreams, 
+				UInt64 []outSizes,
+				ICodeProgress progress);
+	};
+  */
+
+	/// <summary>
+	/// Provides the fields that represent properties idenitifiers for compressing.
+	/// </summary>
+	public enum CoderPropID
+	{
+		/// <summary>
+		/// Specifies default property.
+		/// </summary>
+		DefaultProp = 0,
+		/// <summary>
+		/// Specifies size of dictionary.
+		/// </summary>
+		DictionarySize,
+		/// <summary>
+		/// Specifies size of memory for PPM*.
+		/// </summary>
+		UsedMemorySize,
+		/// <summary>
+		/// Specifies order for PPM methods.
+		/// </summary>
+		Order,
+		/// <summary>
+		/// Specifies Block Size.
+		/// </summary>
+		BlockSize,
+		/// <summary>
+		/// Specifies number of postion state bits for LZMA (0 <= x <= 4).
+		/// </summary>
+		PosStateBits,
+		/// <summary>
+		/// Specifies number of literal context bits for LZMA (0 <= x <= 8).
+		/// </summary>
+		LitContextBits,
+		/// <summary>
+		/// Specifies number of literal position bits for LZMA (0 <= x <= 4).
+		/// </summary>
+		LitPosBits,
+		/// <summary>
+		/// Specifies number of fast bytes for LZ*.
+		/// </summary>
+		NumFastBytes,
+		/// <summary>
+		/// Specifies match finder. LZMA: "BT2", "BT4" or "BT4B".
+		/// </summary>
+		MatchFinder,
+		/// <summary>
+		/// Specifies the number of match finder cyckes.
+		/// </summary>
+		MatchFinderCycles,
+		/// <summary>
+		/// Specifies number of passes.
+		/// </summary>
+		NumPasses,
+		/// <summary>
+		/// Specifies number of algorithm.
+		/// </summary>
+		Algorithm,
+		/// <summary>
+		/// Specifies the number of threads.
+		/// </summary>
+		NumThreads,
+		/// <summary>
+		/// Specifies mode with end marker.
+		/// </summary>
+		EndMarker
+	};
+
+
+	public interface ISetCoderProperties
+	{
+		void SetCoderProperties(CoderPropID[] propIDs, object[] properties);
+	};
+
+	public interface IWriteCoderProperties
+	{
+		void WriteCoderProperties(System.IO.Stream outStream);
+	}
+
+	public interface ISetDecoderProperties
+	{
+		void SetDecoderProperties(byte[] properties);
+	}
+}

Helpers/SevenZip/Compress/LZ/IMatchFinder.cs

@@ -0,0 +1,24 @@
+// IMatchFinder.cs
+
+using System;
+
+namespace SevenZip.Compression.LZ
+{
+	interface IInWindowStream
+	{
+		void SetStream(System.IO.Stream inStream);
+		void Init();
+		void ReleaseStream();
+		Byte GetIndexByte(Int32 index);
+		UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit);
+		UInt32 GetNumAvailableBytes();
+	}
+
+	interface IMatchFinder : IInWindowStream
+	{
+		void Create(UInt32 historySize, UInt32 keepAddBufferBefore,
+				UInt32 matchMaxLen, UInt32 keepAddBufferAfter);
+		UInt32 GetMatches(UInt32[] distances);
+		void Skip(UInt32 num);
+	}
+}