public static long CompressData(Stream inStream, Stream outStream, long dataSize, bool writeCompressedSize = false, ICodeProgress progressCallback = null)
{
var origPos = outStream.Position;
var propIDs = new CoderPropID[]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.EndMarker
};
var propValues = new System.Object[]
{
(int)(1 << 23), //(int)2048,
(int)2,
(int)3,
(int)0,
true
};
var encoder = new Encoder();
encoder.SetCoderProperties(propIDs, propValues);
encoder.WriteCoderProperties(outStream);
//if (writeCompressedSize)
//{
//
//}
encoder.Code(inStream, outStream, dataSize, -1, progressCallback);
return(outStream.Position - origPos);
}
private static byte[] compress(byte[] decompressed)
{
byte[] retVal = null;
bool eos = true;
Int32 dictionary = 1 << 16;
Int32 posStateBits = 2;
Int32 litContextBits = 3; // for normal files
// UInt32 litContextBits = 0; // for 32-bit data
Int32 litPosBits = 0;
// UInt32 litPosBits = 2; // for 32-bit data
Int32 algorithm = 2;
Int32 numFastBytes = 64;
string mf = "bt4";
var propIDs = new CoderPropID[]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
var properties = new object[]
{
dictionary,
posStateBits,
litContextBits,
litPosBits,
algorithm,
numFastBytes,
mf,
eos
};
SevenZip.Compression.LZMA.Encoder encoder = new SevenZip.Compression.LZMA.Encoder();
using (Stream strmInStream = new MemoryStream(decompressed))
{
strmInStream.Seek(0, 0);
using (MemoryStream strmOutStream = new MemoryStream())
{
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(strmOutStream);
Int64 fileSize = strmInStream.Length;
for (int i = 0; i < 8; i++)
{
strmOutStream.WriteByte((Byte)(fileSize >> (8 * i)));
}
encoder.Code(strmInStream, strmOutStream, -1, -1, null);
retVal = strmOutStream.ToArray();
}
}
return(retVal);
}
public static byte[] Encode(CompressionConfig compressionConfig, byte[] data, long dataLength, out long encodedDataLength)
{
ArgumentChecker.NotNull(compressionConfig, "compressionConfig");
ArgumentChecker.NotNull(data, "data");
//
using (MemoryStream outStream = new MemoryStream()) {
using (Stream inStream = new MemoryStream(data)) {
const Int32 dictionary = 1 << 21;
const string mf = "bt4";
const bool eos = false;
const Int32 posStateBits = 2;
const Int32 litContextBits = 3;
const Int32 litPosBits = 0;
const Int32 algorithm = 2;
const Int32 numFastBytes = 128;
CoderPropID[] propIDs = new CoderPropID[] {
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = new object[] {
dictionary,
posStateBits,
litContextBits,
litPosBits,
algorithm,
numFastBytes,
mf,
eos
};
Encoder encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(outStream);
//
for (int i = 0; i < 8; i++)
{
outStream.WriteByte((Byte)(dataLength >> (8 * i)));
}
//
encoder.Code(inStream, outStream, dataLength, -1, null);
}
//
encodedDataLength = outStream.Length;
return(outStream.GetBuffer());
}
}
public static void Zip(Stream inStream, Stream outStream)
{
bool flag = false;
int num = 2097152;
if (!flag)
{
num = 8388608;
}
int num2 = 2;
int num3 = 3;
int num4 = 0;
int num5 = 2;
int num6 = 128;
string text = "bt4";
bool flag2 = false;
CoderPropID[] propIDs = new CoderPropID[]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = new object[]
{
num,
num2,
num3,
num4,
num5,
num6,
text,
flag2
};
Encoder encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(outStream);
long length = inStream.Length;
for (int i = 0; i < 8; i++)
{
outStream.WriteByte((byte)(length >> 8 * i));
}
encoder.Code(inStream, outStream, -1L, -1L, null);
}
public void SetCoderProperties(CoderPropID[] propIDs, object[] properties)
{
for (UInt32 i = 0; i < properties.Length; i++)
{
object prop = properties[i];
switch (propIDs[i])
{
case CoderPropID.NumFastBytes:
{
if (!(prop is Int32))
throw new InvalidParamException();
Int32 numFastBytes = (Int32)prop;
if (numFastBytes < 5 || numFastBytes > Base.kMatchMaxLen)
throw new InvalidParamException();
_numFastBytes = (UInt32)numFastBytes;
break;
}
case CoderPropID.Algorithm:
{
/*
if (!(prop is Int32))
throw new InvalidParamException();
Int32 maximize = (Int32)prop;
_fastMode = (maximize == 0);
_maxMode = (maximize >= 2);
*/
break;
}
case CoderPropID.MatchFinder:
{
if (!(prop is String))
throw new InvalidParamException();
EMatchFinderType matchFinderIndexPrev = _matchFinderType;
int m = FindMatchFinder(((string)prop).ToUpper());
if (m < 0)
throw new InvalidParamException();
_matchFinderType = (EMatchFinderType)m;
if (_matchFinder != null && matchFinderIndexPrev != _matchFinderType)
{
_dictionarySizePrev = 0xFFFFFFFF;
_matchFinder = null;
}
break;
}
case CoderPropID.DictionarySize:
{
const int kDicLogSizeMaxCompress = 30;
if (!(prop is Int32))
throw new InvalidParamException(); ;
Int32 dictionarySize = (Int32)prop;
if (dictionarySize < (UInt32)(1 << Base.kDicLogSizeMin) ||
dictionarySize > (UInt32)(1 << kDicLogSizeMaxCompress))
throw new InvalidParamException();
_dictionarySize = (UInt32)dictionarySize;
int dicLogSize;
for (dicLogSize = 0; dicLogSize < (UInt32)kDicLogSizeMaxCompress; dicLogSize++)
if (dictionarySize <= ((UInt32)(1) << dicLogSize))
break;
_distTableSize = (UInt32)dicLogSize * 2;
break;
}
case CoderPropID.PosStateBits:
{
if (!(prop is Int32))
throw new InvalidParamException();
Int32 v = (Int32)prop;
if (v < 0 || v > (UInt32)Base.kNumPosStatesBitsEncodingMax)
throw new InvalidParamException();
_posStateBits = (int)v;
_posStateMask = (((UInt32)1) << (int)_posStateBits) - 1;
break;
}
case CoderPropID.LitPosBits:
{
if (!(prop is Int32))
throw new InvalidParamException();
Int32 v = (Int32)prop;
if (v < 0 || v > (UInt32)Base.kNumLitPosStatesBitsEncodingMax)
throw new InvalidParamException();
_numLiteralPosStateBits = (int)v;
break;
}
case CoderPropID.LitContextBits:
{
if (!(prop is Int32))
throw new InvalidParamException();
Int32 v = (Int32)prop;
if (v < 0 || v > (UInt32)Base.kNumLitContextBitsMax)
throw new InvalidParamException(); ;
_numLiteralContextBits = (int)v;
break;
}
case CoderPropID.EndMarker:
{
if (!(prop is Boolean))
throw new InvalidParamException();
SetWriteEndMarkerMode((Boolean)prop);
break;
}
default:
throw new InvalidParamException();
}
}
}
private static int Main2(string[] args)
{
Console.WriteLine("\nLZMA# 4.61 2008-11-23\n");
if (args.Length == 0)
{
LzmaAlone.PrintHelp();
return(0);
}
SwitchForm[] switchForms = new SwitchForm[13];
int num1 = 0;
SwitchForm[] switchFormArray1 = switchForms;
int index1 = num1;
int num2 = index1 + 1;
SwitchForm switchForm1 = new SwitchForm("?", SwitchType.Simple, false);
switchFormArray1[index1] = switchForm1;
SwitchForm[] switchFormArray2 = switchForms;
int index2 = num2;
int num3 = index2 + 1;
SwitchForm switchForm2 = new SwitchForm("H", SwitchType.Simple, false);
switchFormArray2[index2] = switchForm2;
SwitchForm[] switchFormArray3 = switchForms;
int index3 = num3;
int num4 = index3 + 1;
SwitchForm switchForm3 = new SwitchForm("A", SwitchType.UnLimitedPostString, false, 1);
switchFormArray3[index3] = switchForm3;
SwitchForm[] switchFormArray4 = switchForms;
int index4 = num4;
int num5 = index4 + 1;
SwitchForm switchForm4 = new SwitchForm("D", SwitchType.UnLimitedPostString, false, 1);
switchFormArray4[index4] = switchForm4;
SwitchForm[] switchFormArray5 = switchForms;
int index5 = num5;
int num6 = index5 + 1;
SwitchForm switchForm5 = new SwitchForm("FB", SwitchType.UnLimitedPostString, false, 1);
switchFormArray5[index5] = switchForm5;
SwitchForm[] switchFormArray6 = switchForms;
int index6 = num6;
int num7 = index6 + 1;
SwitchForm switchForm6 = new SwitchForm("LC", SwitchType.UnLimitedPostString, false, 1);
switchFormArray6[index6] = switchForm6;
SwitchForm[] switchFormArray7 = switchForms;
int index7 = num7;
int num8 = index7 + 1;
SwitchForm switchForm7 = new SwitchForm("LP", SwitchType.UnLimitedPostString, false, 1);
switchFormArray7[index7] = switchForm7;
SwitchForm[] switchFormArray8 = switchForms;
int index8 = num8;
int num9 = index8 + 1;
SwitchForm switchForm8 = new SwitchForm("PB", SwitchType.UnLimitedPostString, false, 1);
switchFormArray8[index8] = switchForm8;
SwitchForm[] switchFormArray9 = switchForms;
int index9 = num9;
int num10 = index9 + 1;
SwitchForm switchForm9 = new SwitchForm("MF", SwitchType.UnLimitedPostString, false, 1);
switchFormArray9[index9] = switchForm9;
SwitchForm[] switchFormArray10 = switchForms;
int index10 = num10;
int num11 = index10 + 1;
SwitchForm switchForm10 = new SwitchForm("EOS", SwitchType.Simple, false);
switchFormArray10[index10] = switchForm10;
SwitchForm[] switchFormArray11 = switchForms;
int index11 = num11;
int num12 = index11 + 1;
SwitchForm switchForm11 = new SwitchForm("SI", SwitchType.Simple, false);
switchFormArray11[index11] = switchForm11;
SwitchForm[] switchFormArray12 = switchForms;
int index12 = num12;
int num13 = index12 + 1;
SwitchForm switchForm12 = new SwitchForm("SO", SwitchType.Simple, false);
switchFormArray12[index12] = switchForm12;
SwitchForm[] switchFormArray13 = switchForms;
int index13 = num13;
int numSwitches = index13 + 1;
SwitchForm switchForm13 = new SwitchForm("T", SwitchType.UnLimitedPostString, false, 1);
switchFormArray13[index13] = switchForm13;
Parser parser = new Parser(numSwitches);
try
{
parser.ParseStrings(switchForms, args);
}
catch
{
return(LzmaAlone.IncorrectCommand());
}
if (parser[0].ThereIs || parser[1].ThereIs)
{
LzmaAlone.PrintHelp();
return(0);
}
ArrayList nonSwitchStrings = parser.NonSwitchStrings;
int num14 = 0;
if (num14 >= nonSwitchStrings.Count)
{
return(LzmaAlone.IncorrectCommand());
}
ArrayList arrayList1 = nonSwitchStrings;
int index14 = num14;
int num15 = index14 + 1;
string lower1 = ((string)arrayList1[index14]).ToLower();
bool flag1 = false;
int num16 = 2097152;
if (parser[3].ThereIs)
{
int v;
if (!LzmaAlone.GetNumber((string)parser[3].PostStrings[0], out v))
{
LzmaAlone.IncorrectCommand();
}
num16 = 1 << v;
flag1 = true;
}
string str = "bt4";
if (parser[8].ThereIs)
{
str = (string)parser[8].PostStrings[0];
}
string lower2 = str.ToLower();
int num17;
if (lower1 == "b")
{
int v = 10;
if (num15 < nonSwitchStrings.Count)
{
ArrayList arrayList2 = nonSwitchStrings;
int index15 = num15;
num17 = index15 + 1;
if (!LzmaAlone.GetNumber((string)arrayList2[index15], out v))
{
v = 10;
}
}
return(LzmaBench.LzmaBenchmark(v, (uint)num16));
}
string path = "";
if (parser[12].ThereIs)
{
path = (string)parser[12].PostStrings[0];
}
bool flag2 = false;
if (lower1 == "e")
{
flag2 = true;
}
else if (lower1 == "d")
{
flag2 = false;
}
else
{
LzmaAlone.IncorrectCommand();
}
bool thereIs = parser[10].ThereIs;
int num18 = parser[11].ThereIs ? 1 : 0;
if (thereIs)
{
throw new Exception("Not implemeted");
}
if (num15 >= nonSwitchStrings.Count)
{
LzmaAlone.IncorrectCommand();
}
ArrayList arrayList3 = nonSwitchStrings;
int index16 = num15;
int num19 = index16 + 1;
Stream inStream = (Stream) new FileStream((string)arrayList3[index16], FileMode.Open, FileAccess.Read);
if (num18 != 0)
{
throw new Exception("Not implemeted");
}
if (num19 >= nonSwitchStrings.Count)
{
LzmaAlone.IncorrectCommand();
}
ArrayList arrayList4 = nonSwitchStrings;
int index17 = num19;
num17 = index17 + 1;
FileStream fileStream1 = new FileStream((string)arrayList4[index17], FileMode.Create, FileAccess.Write);
FileStream fileStream2 = (FileStream)null;
if (path.Length != 0)
{
fileStream2 = new FileStream(path, FileMode.Open, FileAccess.Read);
}
if (flag2)
{
if (!flag1)
{
num16 = 8388608;
}
int v1 = 2;
int v2 = 3;
int v3 = 0;
int v4 = 2;
int v5 = 128;
bool flag3 = parser[9].ThereIs | thereIs;
if (parser[2].ThereIs && !LzmaAlone.GetNumber((string)parser[2].PostStrings[0], out v4))
{
LzmaAlone.IncorrectCommand();
}
if (parser[4].ThereIs && !LzmaAlone.GetNumber((string)parser[4].PostStrings[0], out v5))
{
LzmaAlone.IncorrectCommand();
}
if (parser[5].ThereIs && !LzmaAlone.GetNumber((string)parser[5].PostStrings[0], out v2))
{
LzmaAlone.IncorrectCommand();
}
if (parser[6].ThereIs && !LzmaAlone.GetNumber((string)parser[6].PostStrings[0], out v3))
{
LzmaAlone.IncorrectCommand();
}
if (parser[7].ThereIs && !LzmaAlone.GetNumber((string)parser[7].PostStrings[0], out v1))
{
LzmaAlone.IncorrectCommand();
}
CoderPropID[] propIDs = new CoderPropID[8]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = new object[8]
{
(object)num16,
(object)v1,
(object)v2,
(object)v3,
(object)v4,
(object)v5,
(object)lower2,
(object)flag3
};
Encoder encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties((Stream)fileStream1);
long num20 = !(flag3 | thereIs) ? inStream.Length : -1L;
for (int index15 = 0; index15 < 8; ++index15)
{
fileStream1.WriteByte((byte)(num20 >> 8 * index15));
}
if (fileStream2 != null)
{
CDoubleStream cdoubleStream = new CDoubleStream();
cdoubleStream.s1 = (Stream)fileStream2;
cdoubleStream.s2 = inStream;
cdoubleStream.fileIndex = 0;
inStream = (Stream)cdoubleStream;
long length = fileStream2.Length;
cdoubleStream.skipSize = 0L;
if (length > (long)num16)
{
cdoubleStream.skipSize = length - (long)num16;
}
fileStream2.Seek(cdoubleStream.skipSize, SeekOrigin.Begin);
encoder.SetTrainSize((uint)(length - cdoubleStream.skipSize));
}
encoder.Code(inStream, (Stream)fileStream1, -1L, -1L, (ICodeProgress)null);
}
else
{
if (!(lower1 == "d"))
{
throw new Exception("Command Error");
}
byte[] numArray = new byte[5];
if (inStream.Read(numArray, 0, 5) != 5)
{
throw new Exception("input .lzma is too short");
}
Decoder decoder = new Decoder();
decoder.SetDecoderProperties(numArray);
if (fileStream2 != null && !decoder.Train((Stream)fileStream2))
{
throw new Exception("can't train");
}
long outSize = 0;
for (int index15 = 0; index15 < 8; ++index15)
{
int num20 = inStream.ReadByte();
if (num20 < 0)
{
throw new Exception("Can't Read 1");
}
outSize |= (long)(byte)num20 << 8 * index15;
}
long inSize = inStream.Length - inStream.Position;
decoder.Code(inStream, (Stream)fileStream1, inSize, outSize, (ICodeProgress)null);
}
return(0);
}
public abstract void SetCoderProperties(CoderPropID[] propIDs, object[] properties);
public static int LzmaBenchmark(int numIterations, uint dictionarySize)
{
if (numIterations <= 0)
{
return(0);
}
if (dictionarySize < 262144U)
{
Console.WriteLine("\nError: dictionary size for benchmark must be >= 19 (512 KB)");
return(1);
}
Console.Write("\n Compressing Decompressing\n\n");
Encoder encoder = new Encoder();
Decoder decoder = new Decoder();
CoderPropID[] propIDs = new CoderPropID[1]
{
CoderPropID.DictionarySize
};
object[] properties = new object[1]
{
(object)(int)dictionarySize
};
uint bufferSize = dictionarySize + 6291456U;
int capacity = (int)(bufferSize / 2U) + 1024;
encoder.SetCoderProperties(propIDs, properties);
MemoryStream memoryStream1 = new MemoryStream();
encoder.WriteCoderProperties((Stream)memoryStream1);
byte[] array = memoryStream1.ToArray();
LzmaBench.CBenchRandomGenerator cbenchRandomGenerator = new LzmaBench.CBenchRandomGenerator();
cbenchRandomGenerator.Set(bufferSize);
cbenchRandomGenerator.Generate();
CRC crc = new CRC();
crc.Init();
crc.Update(cbenchRandomGenerator.Buffer, 0U, cbenchRandomGenerator.BufferSize);
LzmaBench.CProgressInfo cprogressInfo = new LzmaBench.CProgressInfo();
cprogressInfo.ApprovedStart = (long)dictionarySize;
ulong size1 = 0;
ulong elapsedTime1 = 0;
ulong elapsedTime2 = 0;
ulong secondSize = 0;
MemoryStream memoryStream2 = new MemoryStream(cbenchRandomGenerator.Buffer, 0, (int)cbenchRandomGenerator.BufferSize);
MemoryStream memoryStream3 = new MemoryStream(capacity);
LzmaBench.CrcOutStream crcOutStream = new LzmaBench.CrcOutStream();
for (int index1 = 0; index1 < numIterations; ++index1)
{
cprogressInfo.Init();
memoryStream2.Seek(0L, SeekOrigin.Begin);
memoryStream3.Seek(0L, SeekOrigin.Begin);
encoder.Code((Stream)memoryStream2, (Stream)memoryStream3, -1L, -1L, (ICodeProgress)cprogressInfo);
ulong ticks = (ulong)(DateTime.UtcNow - cprogressInfo.Time).Ticks;
long position = memoryStream3.Position;
if (cprogressInfo.InSize == 0L)
{
throw new Exception("Internal ERROR 1282");
}
ulong elapsedTime3 = 0;
for (int index2 = 0; index2 < 2; ++index2)
{
memoryStream3.Seek(0L, SeekOrigin.Begin);
crcOutStream.Init();
decoder.SetDecoderProperties(array);
ulong num = (ulong)bufferSize;
DateTime utcNow = DateTime.UtcNow;
decoder.Code((Stream)memoryStream3, (Stream)crcOutStream, 0L, (long)num, (ICodeProgress)null);
elapsedTime3 = (ulong)(DateTime.UtcNow - utcNow).Ticks;
if ((int)crcOutStream.GetDigest() != (int)crc.GetDigest())
{
throw new Exception("CRC Error");
}
}
ulong size2 = (ulong)bufferSize - (ulong)cprogressInfo.InSize;
LzmaBench.PrintResults(dictionarySize, ticks, size2, false, 0UL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, elapsedTime3, (ulong)bufferSize, true, (ulong)position);
Console.WriteLine();
size1 += size2;
elapsedTime1 += ticks;
elapsedTime2 += elapsedTime3;
secondSize += (ulong)position;
}
Console.WriteLine("---------------------------------------------------");
LzmaBench.PrintResults(dictionarySize, elapsedTime1, size1, false, 0UL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, elapsedTime2, (ulong)bufferSize * (ulong)numIterations, true, secondSize);
Console.WriteLine(" Average");
return(0);
}
public void SetCoderProperties(CoderPropID[] propIDs, object[] properties)
{
for (uint i = 0; i < properties.Length; i++)
{
EMatchFinderType type;
int num4;
int num6;
object obj2 = properties[i];
switch (propIDs[i])
{
case CoderPropID.DictionarySize:
if (!(obj2 is int))
{
throw new InvalidParamException();
}
goto Label_013B;
case CoderPropID.PosStateBits:
if (!(obj2 is int))
{
throw new InvalidParamException();
}
goto Label_01C3;
case CoderPropID.LitContextBits:
if (!(obj2 is int))
{
throw new InvalidParamException();
}
goto Label_0267;
case CoderPropID.LitPosBits:
if (!(obj2 is int))
{
throw new InvalidParamException();
}
goto Label_0220;
case CoderPropID.NumFastBytes:
if (!(obj2 is int))
{
throw new InvalidParamException();
}
break;
case CoderPropID.MatchFinder:
if (!(obj2 is string))
{
throw new InvalidParamException();
}
goto Label_00C0;
case CoderPropID.Algorithm:
{
continue;
}
case CoderPropID.EndMarker:
if (!(obj2 is bool))
{
throw new InvalidParamException();
}
goto Label_02AE;
default:
throw new InvalidParamException();
}
int num2 = (int) obj2;
if ((num2 < 5) || (num2 > 0x111L))
{
throw new InvalidParamException();
}
this._numFastBytes = (uint) num2;
continue;
Label_00C0:
type = this._matchFinderType;
int num3 = FindMatchFinder(((string) obj2).ToUpper());
if (num3 < 0)
{
throw new InvalidParamException();
}
this._matchFinderType = (EMatchFinderType) num3;
if ((this._matchFinder != null) && (type != this._matchFinderType))
{
this._dictionarySizePrev = uint.MaxValue;
this._matchFinder = null;
}
continue;
Label_013B:
num4 = (int) obj2;
if ((num4 < 1L) || (num4 > 0x40000000L))
{
throw new InvalidParamException();
}
this._dictionarySize = (uint) num4;
int num5 = 0;
while (num5 < 30L)
{
if (num4 <= (((uint) 1) << num5))
{
break;
}
num5++;
}
this._distTableSize = (uint) (num5 * 2);
continue;
Label_01C3:
num6 = (int) obj2;
if ((num6 < 0) || (num6 > 4L))
{
throw new InvalidParamException();
}
this._posStateBits = num6;
this._posStateMask = (uint) ((((int) 1) << this._posStateBits) - 1);
continue;
Label_0220:
num6 = (int) obj2;
if ((num6 < 0) || (num6 > 4L))
{
throw new InvalidParamException();
}
this._numLiteralPosStateBits = num6;
continue;
Label_0267:
num6 = (int) obj2;
if ((num6 < 0) || (num6 > 8L))
{
throw new InvalidParamException();
}
this._numLiteralContextBits = num6;
continue;
Label_02AE:
this.SetWriteEndMarkerMode((bool) obj2);
}
}
public static void Encrypt()
{
Encoder encoder = new Encoder();
string[] files = Directory.GetFiles(@"In\Decrypted - SC", "*.sc");
string output = @"Out\Encrypted - SC";
int filesAmount = 0;
foreach (string file in files)
{
filesAmount++;
}
if (filesAmount == 0)
{
MessageBox.Show("No CSV files were found in the folder \"In\\Decrypted - SC.\""
+ Environment.NewLine + "Place decrypted files in the folder and try again.",
"No Files Found",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
if (!Directory.Exists(output))
{
Directory.CreateDirectory(output);
}
try
{
foreach (string str in files)
{
FileInfo fileInfo = new FileInfo(str);
using (FileStream fileStream1 = new FileStream(str, FileMode.Open))
{
using (FileStream fileStream2 = new FileStream(Path.Combine(output, Path.GetFileName(str)), FileMode.Create))
{
CoderPropID[] propIDs = new CoderPropID[8]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = new object[8]
{
(object)262144,
(object)2,
(object)3,
(object)0,
(object)2,
(object)32,
(object)"bt4",
(object)false
};
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties((Stream)fileStream2);
fileStream2.Write(BitConverter.GetBytes(fileStream1.Length), 0, 4);
encoder.Code((Stream)fileStream1, (Stream)fileStream2, fileStream1.Length, -1L, (ICodeProgress)null);
fileStream2.Flush();
fileStream2.Close();
}
fileStream1.Close();
}
}
var success = MessageBox.Show("Successfully Encrypted SC Files!" + Environment.NewLine +
"Select OK to open the folder, else select cancel!",
"Success",
MessageBoxButtons.OKCancel,
MessageBoxIcon.Information);
if (success == DialogResult.OK)
{
Process.Start(output);
}
}
catch (Exception e)
{
MessageBox.Show("An error occured, please try again or contact someone on the Ultrapowa Network."
+ Environment.NewLine + "Error: " + e,
"Error - Key:3",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
public static int LzmaBenchmark(int numIterations, uint dictionarySize)
{
if (numIterations <= 0)
{
return(0);
}
if (dictionarySize < 262144)
{
Console.WriteLine("\nError: dictionary size for benchmark must be >= 19 (512 KB)");
return(1);
}
Console.Write("\n Compressing Decompressing\n\n");
Encoder encoder = new Encoder();
Decoder decoder = new Decoder();
CoderPropID[] propIDs = new CoderPropID[1]
{
CoderPropID.DictionarySize
};
object[] properties = new object[1]
{
(int)dictionarySize
};
uint num = dictionarySize + 6291456;
uint capacity = num / 2u + 1024;
encoder.SetCoderProperties(propIDs, properties);
MemoryStream memoryStream = new MemoryStream();
encoder.WriteCoderProperties(memoryStream);
byte[] decoderProperties = memoryStream.ToArray();
CBenchRandomGenerator cBenchRandomGenerator = new CBenchRandomGenerator();
cBenchRandomGenerator.Set(num);
cBenchRandomGenerator.Generate();
CRC cRC = new CRC();
cRC.Init();
cRC.Update(cBenchRandomGenerator.Buffer, 0u, cBenchRandomGenerator.BufferSize);
CProgressInfo cProgressInfo = new CProgressInfo();
cProgressInfo.ApprovedStart = dictionarySize;
ulong num2 = 0uL;
ulong num3 = 0uL;
ulong num4 = 0uL;
ulong num5 = 0uL;
MemoryStream memoryStream2 = new MemoryStream(cBenchRandomGenerator.Buffer, 0, (int)cBenchRandomGenerator.BufferSize);
MemoryStream memoryStream3 = new MemoryStream((int)capacity);
CrcOutStream crcOutStream = new CrcOutStream();
for (int i = 0; i < numIterations; i++)
{
cProgressInfo.Init();
memoryStream2.Seek(0L, SeekOrigin.Begin);
memoryStream3.Seek(0L, SeekOrigin.Begin);
encoder.Code(memoryStream2, memoryStream3, -1L, -1L, cProgressInfo);
ulong ticks = (ulong)(DateTime.UtcNow - cProgressInfo.Time).Ticks;
long position = memoryStream3.Position;
if (cProgressInfo.InSize == 0)
{
throw new Exception("Internal ERROR 1282");
}
ulong num6 = 0uL;
for (int j = 0; j < 2; j++)
{
memoryStream3.Seek(0L, SeekOrigin.Begin);
crcOutStream.Init();
decoder.SetDecoderProperties(decoderProperties);
ulong outSize = num;
DateTime utcNow = DateTime.UtcNow;
decoder.Code(memoryStream3, crcOutStream, 0L, (long)outSize, null);
num6 = (ulong)(DateTime.UtcNow - utcNow).Ticks;
if (crcOutStream.GetDigest() != cRC.GetDigest())
{
throw new Exception("CRC Error");
}
}
ulong num7 = (ulong)(num - cProgressInfo.InSize);
PrintResults(dictionarySize, ticks, num7, decompressMode: false, 0uL);
Console.Write(" ");
PrintResults(dictionarySize, num6, num, decompressMode: true, (ulong)position);
Console.WriteLine();
num2 += num7;
num3 += ticks;
num4 += num6;
num5 = (ulong)((long)num5 + position);
}
Console.WriteLine("---------------------------------------------------");
PrintResults(dictionarySize, num3, num2, decompressMode: false, 0uL);
Console.Write(" ");
PrintResults(dictionarySize, num4, (ulong)(num * numIterations), decompressMode: true, num5);
Console.WriteLine(" Average");
return(0);
}
private static int Main2(string[] args)
{
Console.WriteLine("\nLZMA# 4.61 2008-11-23\n");
if (args.Length == 0)
{
LzmaAlone.PrintHelp();
return(0);
}
SwitchForm[] array = new SwitchForm[13];
int numSwitches = 0;
array[numSwitches++] = new SwitchForm("?", SwitchType.Simple, false);
array[numSwitches++] = new SwitchForm("H", SwitchType.Simple, false);
array[numSwitches++] = new SwitchForm("A", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("D", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("FB", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("LC", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("LP", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("PB", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("MF", SwitchType.UnLimitedPostString, false, 1);
array[numSwitches++] = new SwitchForm("EOS", SwitchType.Simple, false);
array[numSwitches++] = new SwitchForm("SI", SwitchType.Simple, false);
array[numSwitches++] = new SwitchForm("SO", SwitchType.Simple, false);
array[numSwitches++] = new SwitchForm("T", SwitchType.UnLimitedPostString, false, 1);
Parser parser = new Parser(numSwitches);
try
{
parser.ParseStrings(array, args);
}
catch
{
int result = LzmaAlone.IncorrectCommand();
return(result);
}
if (parser[0].ThereIs || parser[1].ThereIs)
{
LzmaAlone.PrintHelp();
return(0);
}
ArrayList nonSwitchStrings = parser.NonSwitchStrings;
int num = 0;
if (num >= nonSwitchStrings.Count)
{
return(LzmaAlone.IncorrectCommand());
}
string text = (string)nonSwitchStrings[num++];
text = text.ToLower();
bool flag = false;
int num2 = 2097152;
if (parser[3].ThereIs)
{
int num3;
if (!LzmaAlone.GetNumber((string)parser[3].PostStrings[0], out num3))
{
LzmaAlone.IncorrectCommand();
}
num2 = 1 << num3;
flag = true;
}
string text2 = "bt4";
if (parser[8].ThereIs)
{
text2 = (string)parser[8].PostStrings[0];
}
text2 = text2.ToLower();
if (text == "b")
{
int numIterations = 10;
if (num < nonSwitchStrings.Count && !LzmaAlone.GetNumber((string)nonSwitchStrings[num++], out numIterations))
{
numIterations = 10;
}
return(LzmaBench.LzmaBenchmark(numIterations, (uint)num2));
}
string text3 = string.Empty;
if (parser[12].ThereIs)
{
text3 = (string)parser[12].PostStrings[0];
}
bool flag2 = false;
if (text == "e")
{
flag2 = true;
}
else if (text == "d")
{
flag2 = false;
}
else
{
LzmaAlone.IncorrectCommand();
}
bool thereIs = parser[10].ThereIs;
bool thereIs2 = parser[11].ThereIs;
if (thereIs)
{
throw new Exception("Not implemeted");
}
if (num >= nonSwitchStrings.Count)
{
LzmaAlone.IncorrectCommand();
}
string path = (string)nonSwitchStrings[num++];
Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read);
if (thereIs2)
{
throw new Exception("Not implemeted");
}
if (num >= nonSwitchStrings.Count)
{
LzmaAlone.IncorrectCommand();
}
string path2 = (string)nonSwitchStrings[num++];
FileStream fileStream = new FileStream(path2, FileMode.Create, FileAccess.Write);
FileStream fileStream2 = null;
if (text3.Length != 0)
{
fileStream2 = new FileStream(text3, FileMode.Open, FileAccess.Read);
}
if (flag2)
{
if (!flag)
{
num2 = 8388608;
}
int num4 = 2;
int num5 = 3;
int num6 = 0;
int num7 = 2;
int num8 = 128;
bool flag3 = parser[9].ThereIs || thereIs;
if (parser[2].ThereIs && !LzmaAlone.GetNumber((string)parser[2].PostStrings[0], out num7))
{
LzmaAlone.IncorrectCommand();
}
if (parser[4].ThereIs && !LzmaAlone.GetNumber((string)parser[4].PostStrings[0], out num8))
{
LzmaAlone.IncorrectCommand();
}
if (parser[5].ThereIs && !LzmaAlone.GetNumber((string)parser[5].PostStrings[0], out num5))
{
LzmaAlone.IncorrectCommand();
}
if (parser[6].ThereIs && !LzmaAlone.GetNumber((string)parser[6].PostStrings[0], out num6))
{
LzmaAlone.IncorrectCommand();
}
if (parser[7].ThereIs && !LzmaAlone.GetNumber((string)parser[7].PostStrings[0], out num4))
{
LzmaAlone.IncorrectCommand();
}
CoderPropID[] propIDs = new CoderPropID[]
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = new object[]
{
num2,
num4,
num5,
num6,
num7,
num8,
text2,
flag3
};
Encoder encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(fileStream);
long num9;
if (flag3 || thereIs)
{
num9 = -1L;
}
else
{
num9 = stream.Length;
}
for (int i = 0; i < 8; i++)
{
fileStream.WriteByte((byte)(num9 >> 8 * i));
}
if (fileStream2 != null)
{
CDoubleStream cDoubleStream = new CDoubleStream();
cDoubleStream.s1 = fileStream2;
cDoubleStream.s2 = stream;
cDoubleStream.fileIndex = 0;
stream = cDoubleStream;
long length = fileStream2.Length;
cDoubleStream.skipSize = 0L;
if (length > (long)num2)
{
cDoubleStream.skipSize = length - (long)num2;
}
fileStream2.Seek(cDoubleStream.skipSize, SeekOrigin.Begin);
encoder.SetTrainSize((uint)(length - cDoubleStream.skipSize));
}
encoder.Code(stream, fileStream, -1L, -1L, null);
}
else
{
if (!(text == "d"))
{
throw new Exception("Command Error");
}
byte[] array2 = new byte[5];
if (stream.Read(array2, 0, 5) != 5)
{
throw new Exception("input .lzma is too short");
}
Decoder decoder = new Decoder();
decoder.SetDecoderProperties(array2);
if (fileStream2 != null && !decoder.Train(fileStream2))
{
throw new Exception("can't train");
}
long num10 = 0L;
for (int j = 0; j < 8; j++)
{
int num11 = stream.ReadByte();
if (num11 < 0)
{
throw new Exception("Can't Read 1");
}
num10 |= (long)((byte)num11) << 8 * j;
}
long inSize = stream.Length - stream.Position;
decoder.Code(stream, fileStream, inSize, num10, null);
}
return(0);
}
/// <summary>
/// Compresses this instance.
/// </summary>
internal void Process()
{
Console.WriteLine("[*] Processing " + this.Input.Name + "..");
if (this.Input.Extension == ".csv" || this.Input.Extension == ".sc")
{
if (this.Input.Extension == ".sc")
{
using (MemoryStream Stream = new MemoryStream(this.Buffer))
{
using (BinaryReader Reader = new BinaryReader(Stream))
{
char[] Prefix = Reader.ReadChars(2);
if (string.Join("", Prefix) == "SC")
{
Console.WriteLine("[*] Skipping compression of " + this.Output.Name + this.Output.Extension);
this.Output = this.Input.CopyTo(this.Output.FullName, true);
return;
}
}
}
}
Encoder Compresser = new Encoder();
using (MemoryStream IStream = new MemoryStream(this.Buffer))
{
using (FileStream OStream = this.Output.Create())
{
CoderPropID[] CoderPropIDs = new CoderPropID[8]
{
CoderPropID.DictionarySize, CoderPropID.PosStateBits, CoderPropID.LitContextBits, CoderPropID.LitPosBits,
CoderPropID.Algorithm, CoderPropID.NumFastBytes, CoderPropID.MatchFinder, CoderPropID.EndMarker
};
object[] Properties = new object[8]
{
262144, 2, 3, 0, 2, 32, "bt4", false
};
Compresser.SetCoderProperties(CoderPropIDs, Properties);
Compresser.WriteCoderProperties(OStream);
OStream.Write(BitConverter.GetBytes(IStream.Length), 0, 4);
Compresser.Code(IStream, OStream, IStream.Length, -1L, null);
}
if (this.Input.Extension == ".sc")
{
int Version = 1;
byte[] Header = new byte[26];
using (BinaryWriter Writer = new BinaryWriter(new MemoryStream(Header)))
{
Writer.Write("SC".ToCharArray());
Writer.Write(BitConverter.GetBytes(Version).Reverse().ToArray());
using (var MD5Hash = MD5.Create())
{
byte[] MD5 = MD5Hash.ComputeHash(this.Buffer);
Writer.Write(BitConverter.GetBytes(MD5.Length).Reverse().ToArray());
Writer.Write(MD5);
}
}
byte[] OldData = File.ReadAllBytes(this.Output.FullName);
byte[] NewData = Header.Concat(OldData).ToArray();
this.Output.Delete();
using (FileStream OStream = this.Output.Create())
{
OStream.Write(NewData, 0, NewData.Length);
}
}
}
}
else
{
try
{
this.Output = this.Input.CopyTo(this.Output.FullName, true);
}
catch (Exception)
{
Console.WriteLine("[*] Couldn't copy " + this.Output.Name + " to the patch folder, please do it manualy.");
}
}
}
