Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/Java/SevenZip/LzmaBench.java

Index: third_party/lzma/v4_65/files/Java/SevenZip/LzmaBench.java
diff --git a/third_party/lzma/v4_65/files/Java/SevenZip/LzmaBench.java b/third_party/lzma/v4_65/files/Java/SevenZip/LzmaBench.java
deleted file mode 100644
index 397e7af5e3a984687c9039dc5dae58145a099a5d..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/Java/SevenZip/LzmaBench.java
+++ /dev/null
@@ -1,392 +0,0 @@
-package SevenZip;
-
-import java.io.ByteArrayOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-
-public class LzmaBench
-{
-	static final int kAdditionalSize = (1 << 21);
-	static final int kCompressedAdditionalSize = (1 << 10);
-	
-	static class CRandomGenerator
-	{
-		int A1;
-		int A2;
-		public CRandomGenerator() { Init(); }
-		public void Init() { A1 = 362436069; A2 = 521288629; }
-		public int GetRnd()
-		{
-			return
-				((A1 = 36969 * (A1 & 0xffff) + (A1 >>> 16)) << 16) ^
-				((A2 = 18000 * (A2 & 0xffff) + (A2 >>> 16)));
-		}
-	};
-	
-	static class CBitRandomGenerator
-	{
-		CRandomGenerator RG = new CRandomGenerator();
-		int Value;
-		int NumBits;
-		public void Init()
-		{
-			Value = 0;
-			NumBits = 0;
-		}
-		public int GetRnd(int numBits)
-		{
-			int result;
-			if (NumBits > numBits)
-			{
-				result = Value & ((1 << numBits) - 1);
-				Value >>>= numBits;
-				NumBits -= numBits;
-				return result;
-			}
-			numBits -= NumBits;
-			result = (Value << numBits);
-			Value = RG.GetRnd();
-			result |= Value & (((int)1 << numBits) - 1);
-			Value >>>= numBits;
-			NumBits = 32 - numBits;
-			return result;
-		}
-	};
-	
-	static class CBenchRandomGenerator
-	{
-		CBitRandomGenerator RG = new CBitRandomGenerator();
-		int Pos;
-		int Rep0;
-
-		public int BufferSize;
-		public byte[] Buffer = null;
-
-		public CBenchRandomGenerator() { }
-		public void Set(int bufferSize)
-		{
-			Buffer = new byte[bufferSize];
-			Pos = 0;
-			BufferSize = bufferSize;
-		}
-		int GetRndBit() { return RG.GetRnd(1); }
-		int GetLogRandBits(int numBits)
-		{
-			int len = RG.GetRnd(numBits);
-			return RG.GetRnd((int)len);
-		}
-		int GetOffset()
-		{
-			if (GetRndBit() == 0)
-				return GetLogRandBits(4);
-			return (GetLogRandBits(4) << 10) | RG.GetRnd(10);
-		}
-		int GetLen1() { return RG.GetRnd(1 + (int)RG.GetRnd(2)); }
-		int GetLen2() { return RG.GetRnd(2 + (int)RG.GetRnd(2)); }
-		public void Generate()
-		{
-			RG.Init();
-			Rep0 = 1;
-			while (Pos < BufferSize)
-			{
-				if (GetRndBit() == 0 || Pos < 1)
-					Buffer[Pos++] = (byte)(RG.GetRnd(8));
-				else
-				{
-					int len;
-					if (RG.GetRnd(3) == 0)
-						len = 1 + GetLen1();
-					else
-					{
-						do
-							Rep0 = GetOffset();
-						while (Rep0 >= Pos);
-						Rep0++;
-						len = 2 + GetLen2();
-					}
-					for (int i = 0; i < len && Pos < BufferSize; i++, Pos++)
-						Buffer[Pos] = Buffer[Pos - Rep0];
-				}
-			}
-		}
-	};
-	
-	static class CrcOutStream extends java.io.OutputStream
-	{
-		public CRC CRC = new CRC();
-		
-		public void Init()
-		{ 
-			CRC.Init(); 
-		}
-		public int GetDigest()
-		{ 
-			return CRC.GetDigest(); 
-		}
-		public void write(byte[] b)
-		{
-			CRC.Update(b);
-		}
-		public void write(byte[] b, int off, int len)
-		{
-			CRC.Update(b, off, len);
-		}
-		public void write(int b)
-		{
-			CRC.UpdateByte(b);
-		}
-	};
-
-	static class MyOutputStream extends java.io.OutputStream
-	{
-		byte[] _buffer;
-		int _size;
-		int _pos;
-		
-		public MyOutputStream(byte[] buffer)
-		{
-			_buffer = buffer;
-			_size = _buffer.length;
-		}
-		
-		public void reset()
-		{ 
-			_pos = 0; 
-		}
-		
-		public void write(int b) throws IOException
-		{
-			if (_pos >= _size)
-				throw new IOException("Error");
-			_buffer[_pos++] = (byte)b;
-		}
-		
-		public int size()
-		{
-			return _pos;
-		}
-	};
-
-	static class MyInputStream extends java.io.InputStream
-	{
-		byte[] _buffer;
-		int _size;
-		int _pos;
-		
-		public MyInputStream(byte[] buffer, int size)
-		{
-			_buffer = buffer;
-			_size = size;
-		}
-		
-		public void reset()
-		{ 
-			_pos = 0; 
-		}
-		
-		public int read()
-		{
-			if (_pos >= _size)
-				return -1;
-			return _buffer[_pos++] & 0xFF;
-		}
-	};
-	
-	static class CProgressInfo implements ICodeProgress
-	{
-		public long ApprovedStart;
-		public long InSize;
-		public long Time;
-		public void Init()
-		{ InSize = 0; }
-		public void SetProgress(long inSize, long outSize)
-		{
-			if (inSize >= ApprovedStart && InSize == 0)
-			{
-				Time = System.currentTimeMillis();
-				InSize = inSize;
-			}
-		}
-	}
-	static final int kSubBits = 8;
-	
-	static int GetLogSize(int size)
-	{
-		for (int i = kSubBits; i < 32; i++)
-			for (int j = 0; j < (1 << kSubBits); j++)
-				if (size <= ((1) << i) + (j << (i - kSubBits)))
-					return (i << kSubBits) + j;
-		return (32 << kSubBits);
-	}
-	
-	static long MyMultDiv64(long value, long elapsedTime)
-	{
-		long freq = 1000; // ms
-		long elTime = elapsedTime;
-		while (freq > 1000000)
-		{
-			freq >>>= 1;
-			elTime >>>= 1;
-		}
-		if (elTime == 0)
-			elTime = 1;
-		return value * freq / elTime;
-	}
-	
-	static long GetCompressRating(int dictionarySize, long elapsedTime, long size)
-	{
-		long t = GetLogSize(dictionarySize) - (18 << kSubBits);
-		long numCommandsForOne = 1060 + ((t * t * 10) >> (2 * kSubBits));
-		long numCommands = (long)(size) * numCommandsForOne;
-		return MyMultDiv64(numCommands, elapsedTime);
-	}
-	
-	static long GetDecompressRating(long elapsedTime, long outSize, long inSize)
-	{
-		long numCommands = inSize * 220 + outSize * 20;
-		return MyMultDiv64(numCommands, elapsedTime);
-	}
-	
-	static long GetTotalRating(
-			int dictionarySize,
-			long elapsedTimeEn, long sizeEn,
-			long elapsedTimeDe,
-			long inSizeDe, long outSizeDe)
-	{
-		return (GetCompressRating(dictionarySize, elapsedTimeEn, sizeEn) +
-				GetDecompressRating(elapsedTimeDe, inSizeDe, outSizeDe)) / 2;
-	}
-	
-	static void PrintValue(long v)
-	{
-		String s = "";
-		s += v;
-		for (int i = 0; i + s.length() < 6; i++)
-			System.out.print(" ");
-		System.out.print(s);
-	}
-	
-	static void PrintRating(long rating)
-	{
-		PrintValue(rating / 1000000);
-		System.out.print(" MIPS");
-	}
-	
-	static void PrintResults(
-			int dictionarySize,
-			long elapsedTime,
-			long size,
-			boolean decompressMode, long secondSize)
-	{
-		long speed = MyMultDiv64(size, elapsedTime);
-		PrintValue(speed / 1024);
-		System.out.print(" KB/s  ");
-		long rating;
-		if (decompressMode)
-			rating = GetDecompressRating(elapsedTime, size, secondSize);
-		else
-			rating = GetCompressRating(dictionarySize, elapsedTime, size);
-		PrintRating(rating);
-	}
-	
-	static public int LzmaBenchmark(int numIterations, int dictionarySize) throws Exception
-	{
-		if (numIterations <= 0)
-			return 0;
-		if (dictionarySize < (1 << 18))
-		{
-			System.out.println("\nError: dictionary size for benchmark must be >= 18 (256 KB)");
-			return 1;
-		}
-		System.out.print("\n       Compressing                Decompressing\n\n");
-		
-		SevenZip.Compression.LZMA.Encoder encoder = new SevenZip.Compression.LZMA.Encoder();
-		SevenZip.Compression.LZMA.Decoder decoder = new SevenZip.Compression.LZMA.Decoder();
-		
-		if (!encoder.SetDictionarySize(dictionarySize))
-			throw new Exception("Incorrect dictionary size");
-		
-		int kBufferSize = dictionarySize + kAdditionalSize;
-		int kCompressedBufferSize = (kBufferSize / 2) + kCompressedAdditionalSize;
-		
-		ByteArrayOutputStream propStream = new ByteArrayOutputStream();
-		encoder.WriteCoderProperties(propStream);
-		byte[] propArray = propStream.toByteArray();
-		decoder.SetDecoderProperties(propArray);
-		
-		CBenchRandomGenerator rg = new CBenchRandomGenerator();
-
-		rg.Set(kBufferSize);
-		rg.Generate();
-		CRC crc = new CRC();
-		crc.Init();
-		crc.Update(rg.Buffer, 0, rg.BufferSize);
-		
-		CProgressInfo progressInfo = new CProgressInfo();
-		progressInfo.ApprovedStart = dictionarySize;
-		
-		long totalBenchSize = 0;
-		long totalEncodeTime = 0;
-		long totalDecodeTime = 0;
-		long totalCompressedSize = 0;
-		
-		MyInputStream inStream = new MyInputStream(rg.Buffer, rg.BufferSize);
-
-		byte[] compressedBuffer = new byte[kCompressedBufferSize];
-		MyOutputStream compressedStream = new MyOutputStream(compressedBuffer);
-		CrcOutStream crcOutStream = new CrcOutStream();
-		MyInputStream inputCompressedStream = null;
-		int compressedSize = 0;
-		for (int i = 0; i < numIterations; i++)
-		{
-			progressInfo.Init();
-			inStream.reset();
-			compressedStream.reset();
-			encoder.Code(inStream, compressedStream, -1, -1, progressInfo);
-			long encodeTime = System.currentTimeMillis() - progressInfo.Time;
-			
-			if (i == 0)
-			{
-				compressedSize = compressedStream.size();
-				inputCompressedStream = new MyInputStream(compressedBuffer, compressedSize);
-			}
-			else if (compressedSize != compressedStream.size())
-				throw (new Exception("Encoding error"));
-				
-			if (progressInfo.InSize == 0)
-				throw (new Exception("Internal ERROR 1282"));
-
-			long decodeTime = 0;
-			for (int j = 0; j < 2; j++)
-			{
-				inputCompressedStream.reset();
-				crcOutStream.Init();
-				
-				long outSize = kBufferSize;
-				long startTime = System.currentTimeMillis();
-				if (!decoder.Code(inputCompressedStream, crcOutStream, outSize))
-					throw (new Exception("Decoding Error"));;
-				decodeTime = System.currentTimeMillis() - startTime;
-				if (crcOutStream.GetDigest() != crc.GetDigest())
-					throw (new Exception("CRC Error"));
-			}
-			long benchSize = kBufferSize - (long)progressInfo.InSize;
-			PrintResults(dictionarySize, encodeTime, benchSize, false, 0);
-			System.out.print("     ");
-			PrintResults(dictionarySize, decodeTime, kBufferSize, true, compressedSize);
-			System.out.println();
-			
-			totalBenchSize += benchSize;
-			totalEncodeTime += encodeTime;
-			totalDecodeTime += decodeTime;
-			totalCompressedSize += compressedSize;
-		}
-		System.out.println("---------------------------------------------------");
-		PrintResults(dictionarySize, totalEncodeTime, totalBenchSize, false, 0);
-		System.out.print("     ");
-		PrintResults(dictionarySize, totalDecodeTime,
-				kBufferSize * (long)numIterations, true, totalCompressedSize);
-		System.out.println("    Average");
-		return 0;
-	}
-}