Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 598 insertions, 0 deletions

diff --git a/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/BinTree.java b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/BinTree.java
new file mode 100644
index 0000000000..63d58c05a0
--- /dev/null
+++ b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/BinTree.java
@@ -0,0 +1,382 @@
+// LZ.BinTree

+

+package SevenZip.Compression.LZ;

+import java.io.IOException;

+

+

+public class BinTree extends InWindow

+{

+	int _cyclicBufferPos;

+	int _cyclicBufferSize = 0;

+	int _matchMaxLen;

+	

+	int[] _son;

+	int[] _hash;

+	

+	int _cutValue = 0xFF;

+	int _hashMask;

+	int _hashSizeSum = 0;

+	

+	boolean HASH_ARRAY = true;

+

+	static final int kHash2Size = 1 << 10;

+	static final int kHash3Size = 1 << 16;

+	static final int kBT2HashSize = 1 << 16;

+	static final int kStartMaxLen = 1;

+	static final int kHash3Offset = kHash2Size;

+	static final int kEmptyHashValue = 0;

+	static final int kMaxValForNormalize = (1 << 30) - 1;

+	

+	int kNumHashDirectBytes = 0;

+	int kMinMatchCheck = 4;

+	int kFixHashSize = kHash2Size + kHash3Size;

+

+	public void SetType(int numHashBytes)

+	{

+		HASH_ARRAY = (numHashBytes > 2);

+		if (HASH_ARRAY)

+		{

+			kNumHashDirectBytes = 0;

+			kMinMatchCheck = 4;

+			kFixHashSize = kHash2Size + kHash3Size;

+		}

+		else

+		{

+			kNumHashDirectBytes = 2;

+			kMinMatchCheck = 2 + 1;

+			kFixHashSize = 0;

+		}

+	}

+	

+

+	

+

+	public void Init() throws IOException

+	{

+		super.Init();

+		for (int i = 0; i < _hashSizeSum; i++)

+			_hash[i] = kEmptyHashValue;

+		_cyclicBufferPos = 0;

+		ReduceOffsets(-1);

+	}

+	

+	public void MovePos() throws IOException

+	{

+		if (++_cyclicBufferPos >= _cyclicBufferSize)

+			_cyclicBufferPos = 0;

+		super.MovePos();

+		if (_pos == kMaxValForNormalize)

+			Normalize();

+	}

+	

+

+	

+	

+	

+	

+	

+	

+	public boolean Create(int historySize, int keepAddBufferBefore,

+			int matchMaxLen, int keepAddBufferAfter)

+	{

+		if (historySize > kMaxValForNormalize - 256)

+			return false;

+		_cutValue = 16 + (matchMaxLen >> 1);

+

+		int windowReservSize = (historySize + keepAddBufferBefore +

+				matchMaxLen + keepAddBufferAfter) / 2 + 256;

+		

+		super.Create(historySize + keepAddBufferBefore, matchMaxLen + keepAddBufferAfter, windowReservSize);

+		

+		_matchMaxLen = matchMaxLen;

+

+		int cyclicBufferSize = historySize + 1;

+		if (_cyclicBufferSize != cyclicBufferSize)

+			_son = new int[(_cyclicBufferSize = cyclicBufferSize) * 2];

+

+		int hs = kBT2HashSize;

+

+		if (HASH_ARRAY)

+		{

+			hs = historySize - 1;

+			hs |= (hs >> 1);

+			hs |= (hs >> 2);

+			hs |= (hs >> 4);

+			hs |= (hs >> 8);

+			hs >>= 1;

+			hs |= 0xFFFF;

+			if (hs > (1 << 24))

+				hs >>= 1;

+			_hashMask = hs;

+			hs++;

+			hs += kFixHashSize;

+		}

+		if (hs != _hashSizeSum)

+			_hash = new int [_hashSizeSum = hs];

+		return true;

+	}

+	public int GetMatches(int[] distances) throws IOException

+	{

+		int lenLimit;

+		if (_pos + _matchMaxLen <= _streamPos)

+			lenLimit = _matchMaxLen;

+		else

+		{

+			lenLimit = _streamPos - _pos;

+			if (lenLimit < kMinMatchCheck)

+			{

+				MovePos();

+				return 0;

+			}

+		}

+

+		int offset = 0;

+		int matchMinPos = (_pos > _cyclicBufferSize) ? (_pos - _cyclicBufferSize) : 0;

+		int cur = _bufferOffset + _pos;

+		int maxLen = kStartMaxLen; // to avoid items for len < hashSize;

+		int hashValue, hash2Value = 0, hash3Value = 0;

+		

+		if (HASH_ARRAY)

+		{

+			int temp = CrcTable[_bufferBase[cur] & 0xFF] ^ (_bufferBase[cur + 1] & 0xFF);

+			hash2Value = temp & (kHash2Size - 1);

+			temp ^= ((int)(_bufferBase[cur + 2] & 0xFF) << 8);

+			hash3Value = temp & (kHash3Size - 1);

+			hashValue = (temp ^ (CrcTable[_bufferBase[cur + 3] & 0xFF] << 5)) & _hashMask;

+		}

+		else

+			hashValue = ((_bufferBase[cur] & 0xFF) ^ ((int)(_bufferBase[cur + 1] & 0xFF) << 8));

+

+		int curMatch = _hash[kFixHashSize + hashValue];

+		if (HASH_ARRAY)

+		{

+			int curMatch2 = _hash[hash2Value];

+			int curMatch3 = _hash[kHash3Offset + hash3Value];

+			_hash[hash2Value] = _pos;

+			_hash[kHash3Offset + hash3Value] = _pos;

+			if (curMatch2 > matchMinPos)

+				if (_bufferBase[_bufferOffset + curMatch2] == _bufferBase[cur])

+				{

+					distances[offset++] = maxLen = 2;

+					distances[offset++] = _pos - curMatch2 - 1;

+				}

+			if (curMatch3 > matchMinPos)

+				if (_bufferBase[_bufferOffset + curMatch3] == _bufferBase[cur])

+				{

+					if (curMatch3 == curMatch2)

+						offset -= 2;

+					distances[offset++] = maxLen = 3;

+					distances[offset++] = _pos - curMatch3 - 1;

+					curMatch2 = curMatch3;

+				}

+			if (offset != 0 && curMatch2 == curMatch)

+			{

+				offset -= 2;

+				maxLen = kStartMaxLen;

+			}

+		}

+

+		_hash[kFixHashSize + hashValue] = _pos;

+

+		int ptr0 = (_cyclicBufferPos << 1) + 1;

+		int ptr1 = (_cyclicBufferPos << 1);

+

+		int len0, len1;

+		len0 = len1 = kNumHashDirectBytes;

+

+		if (kNumHashDirectBytes != 0)

+		{

+			if (curMatch > matchMinPos)

+			{

+				if (_bufferBase[_bufferOffset + curMatch + kNumHashDirectBytes] !=

+						_bufferBase[cur + kNumHashDirectBytes])

+				{

+					distances[offset++] = maxLen = kNumHashDirectBytes;

+					distances[offset++] = _pos - curMatch - 1;

+				}

+			}

+		}

+

+		int count = _cutValue;

+

+		while (true)

+		{

+			if (curMatch <= matchMinPos || count-- == 0)

+			{

+				_son[ptr0] = _son[ptr1] = kEmptyHashValue;

+				break;

+			}

+			int delta = _pos - curMatch;

+			int cyclicPos = ((delta <= _cyclicBufferPos) ?

+				(_cyclicBufferPos - delta) :

+				(_cyclicBufferPos - delta + _cyclicBufferSize)) << 1;

+

+			int pby1 = _bufferOffset + curMatch;

+			int len = Math.min(len0, len1);

+			if (_bufferBase[pby1 + len] == _bufferBase[cur + len])

+			{

+				while(++len != lenLimit)

+					if (_bufferBase[pby1 + len] != _bufferBase[cur + len])

+						break;

+				if (maxLen < len)

+				{

+					distances[offset++] = maxLen = len;

+					distances[offset++] = delta - 1;

+					if (len == lenLimit)

+					{

+						_son[ptr1] = _son[cyclicPos];

+						_son[ptr0] = _son[cyclicPos + 1];

+						break;

+					}

+				}

+			}

+			if ((_bufferBase[pby1 + len] & 0xFF) < (_bufferBase[cur + len] & 0xFF))

+			{

+				_son[ptr1] = curMatch;

+				ptr1 = cyclicPos + 1;

+				curMatch = _son[ptr1];

+				len1 = len;

+			}

+			else

+			{

+				_son[ptr0] = curMatch;

+				ptr0 = cyclicPos;

+				curMatch = _son[ptr0];

+				len0 = len;

+			}

+		}

+		MovePos();

+		return offset;

+	}

+

+	public void Skip(int num) throws IOException

+	{

+		do

+		{

+			int lenLimit;

+			if (_pos + _matchMaxLen <= _streamPos)

+			lenLimit = _matchMaxLen;

+			else

+			{

+				lenLimit = _streamPos - _pos;

+				if (lenLimit < kMinMatchCheck)

+				{

+					MovePos();

+					continue;

+				}

+			}

+

+			int matchMinPos = (_pos > _cyclicBufferSize) ? (_pos - _cyclicBufferSize) : 0;

+			int cur = _bufferOffset + _pos;

+			

+			int hashValue;

+

+			if (HASH_ARRAY)

+			{

+				int temp = CrcTable[_bufferBase[cur] & 0xFF] ^ (_bufferBase[cur + 1] & 0xFF);

+				int hash2Value = temp & (kHash2Size - 1);

+				_hash[hash2Value] = _pos;

+				temp ^= ((int)(_bufferBase[cur + 2] & 0xFF) << 8);

+				int hash3Value = temp & (kHash3Size - 1);

+				_hash[kHash3Offset + hash3Value] = _pos;

+				hashValue = (temp ^ (CrcTable[_bufferBase[cur + 3] & 0xFF] << 5)) & _hashMask;

+			}

+			else

+				hashValue = ((_bufferBase[cur] & 0xFF) ^ ((int)(_bufferBase[cur + 1] & 0xFF) << 8));

+

+			int curMatch = _hash[kFixHashSize + hashValue];

+			_hash[kFixHashSize + hashValue] = _pos;

+

+			int ptr0 = (_cyclicBufferPos << 1) + 1;

+			int ptr1 = (_cyclicBufferPos << 1);

+

+			int len0, len1;

+			len0 = len1 = kNumHashDirectBytes;

+

+			int count = _cutValue;

+			while (true)

+			{

+				if (curMatch <= matchMinPos || count-- == 0)

+				{

+					_son[ptr0] = _son[ptr1] = kEmptyHashValue;

+					break;

+				}

+

+				int delta = _pos - curMatch;

+				int cyclicPos = ((delta <= _cyclicBufferPos) ?

+					(_cyclicBufferPos - delta) :

+					(_cyclicBufferPos - delta + _cyclicBufferSize)) << 1;

+

+				int pby1 = _bufferOffset + curMatch;

+				int len = Math.min(len0, len1);

+				if (_bufferBase[pby1 + len] == _bufferBase[cur + len])

+				{

+					while (++len != lenLimit)

+						if (_bufferBase[pby1 + len] != _bufferBase[cur + len])

+							break;

+					if (len == lenLimit)

+					{

+						_son[ptr1] = _son[cyclicPos];

+						_son[ptr0] = _son[cyclicPos + 1];

+						break;

+					}

+				}

+				if ((_bufferBase[pby1 + len] & 0xFF) < (_bufferBase[cur + len] & 0xFF))

+				{

+					_son[ptr1] = curMatch;

+					ptr1 = cyclicPos + 1;

+					curMatch = _son[ptr1];

+					len1 = len;

+				}

+				else

+				{

+					_son[ptr0] = curMatch;

+					ptr0 = cyclicPos;

+					curMatch = _son[ptr0];

+					len0 = len;

+				}

+			}

+			MovePos();

+		}

+		while (--num != 0);

+	}

+	

+	void NormalizeLinks(int[] items, int numItems, int subValue)

+	{

+		for (int i = 0; i < numItems; i++)

+		{

+			int value = items[i];

+			if (value <= subValue)

+				value = kEmptyHashValue;

+			else

+				value -= subValue;

+			items[i] = value;

+		}

+	}

+	

+	void Normalize()

+	{

+		int subValue = _pos - _cyclicBufferSize;

+		NormalizeLinks(_son, _cyclicBufferSize * 2, subValue);

+		NormalizeLinks(_hash, _hashSizeSum, subValue);

+		ReduceOffsets(subValue);

+	}

+	

+	public void SetCutValue(int cutValue) { _cutValue = cutValue; }

+

+	private static final int[] CrcTable = new int[256];

+

+	static

+	{

+		for (int i = 0; i < 256; i++)

+		{

+			int r = i;

+			for (int j = 0; j < 8; j++)

+				if ((r & 1) != 0)

+					r = (r >>> 1) ^ 0xEDB88320;

+				else

+					r >>>= 1;

+			CrcTable[i] = r;

+		}

+	}

+}

diff --git a/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/InWindow.java b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/InWindow.java
new file mode 100644
index 0000000000..5f3f0b4d09
--- /dev/null
+++ b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/InWindow.java
@@ -0,0 +1,131 @@
+// LZ.InWindow

+

+package SevenZip.Compression.LZ;

+

+import java.io.IOException;

+

+public class InWindow

+{

+	public byte[] _bufferBase; // pointer to buffer with data

+	java.io.InputStream _stream;

+	int _posLimit;  // offset (from _buffer) of first byte when new block reading must be done

+	boolean _streamEndWasReached; // if (true) then _streamPos shows real end of stream

+	

+	int _pointerToLastSafePosition;

+	

+	public int _bufferOffset;

+	

+	public int _blockSize;  // Size of Allocated memory block

+	public int _pos;             // offset (from _buffer) of curent byte

+	int _keepSizeBefore;  // how many BYTEs must be kept in buffer before _pos

+	int _keepSizeAfter;   // how many BYTEs must be kept buffer after _pos

+	public int _streamPos;   // offset (from _buffer) of first not read byte from Stream

+	

+	public void MoveBlock()

+	{

+		int offset = _bufferOffset + _pos - _keepSizeBefore;

+		// we need one additional byte, since MovePos moves on 1 byte.

+		if (offset > 0)

+			offset--;

+

+		int numBytes = _bufferOffset + _streamPos - offset;

+		

+		// check negative offset ????

+		for (int i = 0; i < numBytes; i++)

+			_bufferBase[i] = _bufferBase[offset + i];

+		_bufferOffset -= offset;

+	}

+	

+	public void ReadBlock() throws IOException

+	{

+		if (_streamEndWasReached)

+			return;

+		while (true)

+		{

+			int size = (0 - _bufferOffset) + _blockSize - _streamPos;

+			if (size == 0)

+				return;

+			int numReadBytes = _stream.read(_bufferBase, _bufferOffset + _streamPos, size);

+			if (numReadBytes == -1)

+			{

+				_posLimit = _streamPos;

+				int pointerToPostion = _bufferOffset + _posLimit;

+				if (pointerToPostion > _pointerToLastSafePosition)

+					_posLimit = _pointerToLastSafePosition - _bufferOffset;

+				

+				_streamEndWasReached = true;

+				return;

+			}

+			_streamPos += numReadBytes;

+			if (_streamPos >= _pos + _keepSizeAfter)

+				_posLimit = _streamPos - _keepSizeAfter;

+		}

+	}

+	

+	void Free() { _bufferBase = null; }

+	

+	public void Create(int keepSizeBefore, int keepSizeAfter, int keepSizeReserv)

+	{

+		_keepSizeBefore = keepSizeBefore;

+		_keepSizeAfter = keepSizeAfter;

+		int blockSize = keepSizeBefore + keepSizeAfter + keepSizeReserv;

+		if (_bufferBase == null || _blockSize != blockSize)

+		{

+			Free();

+			_blockSize = blockSize;

+			_bufferBase = new byte[_blockSize];

+		}

+		_pointerToLastSafePosition = _blockSize - keepSizeAfter;

+	}

+	

+	public void SetStream(java.io.InputStream stream) { _stream = stream; 	}

+	public void ReleaseStream() { _stream = null; }

+

+	public void Init() throws IOException

+	{

+		_bufferOffset = 0;

+		_pos = 0;

+		_streamPos = 0;

+		_streamEndWasReached = false;

+		ReadBlock();

+	}

+	

+	public void MovePos() throws IOException

+	{

+		_pos++;

+		if (_pos > _posLimit)

+		{

+			int pointerToPostion = _bufferOffset + _pos;

+			if (pointerToPostion > _pointerToLastSafePosition)

+				MoveBlock();

+			ReadBlock();

+		}

+	}

+	

+	public byte GetIndexByte(int index)	{ return _bufferBase[_bufferOffset + _pos + index]; }

+	

+	// index + limit have not to exceed _keepSizeAfter;

+	public int GetMatchLen(int index, int distance, int limit)

+	{

+		if (_streamEndWasReached)

+			if ((_pos + index) + limit > _streamPos)

+				limit = _streamPos - (_pos + index);

+		distance++;

+		// Byte *pby = _buffer + (size_t)_pos + index;

+		int pby = _bufferOffset + _pos + index;

+		

+		int i;

+		for (i = 0; i < limit && _bufferBase[pby + i] == _bufferBase[pby + i - distance]; i++);

+		return i;

+	}

+	

+	public int GetNumAvailableBytes()	{ return _streamPos - _pos; }

+	

+	public void ReduceOffsets(int subValue)

+	{

+		_bufferOffset += subValue;

+		_posLimit -= subValue;

+		_pos -= subValue;

+		_streamPos -= subValue;

+	}

+}

diff --git a/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java
new file mode 100644
index 0000000000..620cb41b47
--- /dev/null
+++ b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java
@@ -0,0 +1,85 @@
+// LZ.OutWindow

+

+package SevenZip.Compression.LZ;

+

+import java.io.IOException;

+

+public class OutWindow

+{

+	byte[] _buffer;

+	int _pos;

+	int _windowSize = 0;

+	int _streamPos;

+	java.io.OutputStream _stream;

+	

+	public void Create(int windowSize)

+	{

+		if (_buffer == null || _windowSize != windowSize)

+			_buffer = new byte[windowSize];

+		_windowSize = windowSize;

+		_pos = 0;

+		_streamPos = 0;

+	}

+	

+	public void SetStream(java.io.OutputStream stream) throws IOException

+	{

+		ReleaseStream();

+		_stream = stream;

+	}

+	

+	public void ReleaseStream() throws IOException

+	{

+		Flush();

+		_stream = null;

+	}

+	

+	public void Init(boolean solid)

+	{

+		if (!solid)

+		{

+			_streamPos = 0;

+			_pos = 0;

+		}

+	}

+	

+	public void Flush() throws IOException

+	{

+		int size = _pos - _streamPos;

+		if (size == 0)

+			return;

+		_stream.write(_buffer, _streamPos, size);

+		if (_pos >= _windowSize)

+			_pos = 0;

+		_streamPos = _pos;

+	}

+	

+	public void CopyBlock(int distance, int len) throws IOException

+	{

+		int pos = _pos - distance - 1;

+		if (pos < 0)

+			pos += _windowSize;

+		for (; len != 0; len--)

+		{

+			if (pos >= _windowSize)

+				pos = 0;

+			_buffer[_pos++] = _buffer[pos++];

+			if (_pos >= _windowSize)

+				Flush();

+		}

+	}

+	

+	public void PutByte(byte b) throws IOException

+	{

+		_buffer[_pos++] = b;

+		if (_pos >= _windowSize)

+			Flush();

+	}

+	

+	public byte GetByte(int distance)

+	{

+		int pos = _pos - distance - 1;

+		if (pos < 0)

+			pos += _windowSize;

+		return _buffer[pos];

+	}

+}