bool LZMADecodeFile ( const char *fromFile, const char *toFile, CProgressInfo7Zip *progress )
{
CMyComPtr<ISequentialInStream> inStream;
CInFileStream *inStreamSpec = new CInFileStream;
inStream = inStreamSpec;
if ( !inStreamSpec->Open ( GetSystemString(fromFile) ) )
return false;
CMyComPtr<ISequentialOutStream> outStream;
COutFileStream *outStreamSpec = new COutFileStream;
outStream = outStreamSpec;
if ( !outStreamSpec->Create ( GetSystemString(toFile), true ) )
return false;
NCompress::NLZMA::CDecoder *decoderSpec = new NCompress::NLZMA::CDecoder;
CMyComPtr<ICompressCoder> decoder = decoderSpec;
const UInt32 kPropertiesSize = 5;
Byte properties[kPropertiesSize];
UInt32 processedSize;
if ( ReadStream (inStream, properties, kPropertiesSize, &processedSize) != S_OK )
return false;
if ( processedSize != kPropertiesSize )
return false;
if ( decoderSpec->SetDecoderProperties2(properties, kPropertiesSize) != S_OK )
return false;
UInt64 fileSize = 0;
for (int i = 0; i < 8; i++)
{
Byte b;
if ( inStream->Read(&b, 1, &processedSize) != S_OK )
return false;
if ( processedSize != 1 )
return false;
fileSize |= ((UInt64)b) << (8 * i);
}
if ( progress )
{
progress->Init();
progress->ApprovedStart = 1 << 21;
progress->SetMax ( fileSize );
}
if ( decoder->Code(inStream, outStream, 0, &fileSize, progress) != S_OK )
// decoder error
return false;
return true;
}
void decode(NCompress::NLzma::CDecoder *decoderSpec,
CMyComPtr<ISequentialInStream> inStream,
CMyComPtr<ISequentialOutStream> outStream)
{
const UInt32 kPropertiesSize = 5;
Byte properties[kPropertiesSize];
UInt32 processedSize;
UInt64 fileSize = 0;
if (inStream->Read(properties, kPropertiesSize, &processedSize) != S_OK)
throw Exception("Read error");
if (processedSize != kPropertiesSize)
throw Exception("Read error");
if (decoderSpec->SetDecoderProperties2(properties, kPropertiesSize) != S_OK)
throw Exception("SetDecoderProperties() error");
for (int i = 0; i < 8; i++)
{
Byte b;
if (inStream->Read(&b, sizeof(b), &processedSize) != S_OK)
throw Exception("Read error");
if (processedSize != 1)
throw Exception("Read error");
fileSize |= ((UInt64)b) << (8 * i);
}
if (decoderSpec->Code(inStream, outStream, 0, &fileSize, 0) != S_OK)
throw Exception("Decoder error");
}
unsigned char *LZMADecodeData ( unsigned char *fromData, long fromSize, long &toSize, CProgressInfo7Zip *progress )
{
CMyComPtr<ISequentialInStream> inStream;
CInDataStream *inStreamSpec = new CInDataStream;
inStream = inStreamSpec;
inStreamSpec->LoadData ( fromData, fromSize );
NCompress::NLZMA::CDecoder *decoderSpec = new NCompress::NLZMA::CDecoder;
CMyComPtr<ICompressCoder> decoder = decoderSpec;
const UInt32 kPropertiesSize = 5;
Byte properties[kPropertiesSize];
UInt32 processedSize;
if ( ReadStream (inStream, properties, kPropertiesSize, &processedSize) != S_OK )
return NULL;
if ( processedSize != kPropertiesSize )
return NULL;
if ( decoderSpec->SetDecoderProperties2(properties, kPropertiesSize) != S_OK )
return NULL;
UInt64 fileSize = 0;
for (int i = 0; i < 8; i++)
{
Byte b;
if ( inStream->Read(&b, 1, &processedSize) != S_OK )
return NULL;
if ( processedSize != 1 )
return NULL;
fileSize |= ((UInt64)b) << (8 * i);
}
CMyComPtr<ISequentialOutStream> outStream;
COutDataStream *outStreamSpec = new COutDataStream;
outStream = outStreamSpec;
outStreamSpec->Create ( fileSize );
// CProgressInfo *progressInfoSpec = new CProgressInfo;
// CMyComPtr<ICompressProgressInfo> progressInfo = progress;
if ( progress )
{
progress->Init();
progress->ApprovedStart = 1 << 21;
progress->SetMax ( fileSize );
}
if ( decoder->Code(inStream, outStream, 0, &fileSize, progress) != S_OK )
// decoder error
return NULL;
toSize = outStreamSpec->GetCurrentSize ();
return outStreamSpec->GetData ();
}
static bool ReadStream(CMyComPtr<IInStream> & inStream, Int64 offset, UINT32 seekOrigin, CByteBuffer & signature)
{
UInt64 savedPosition = 0;
UInt64 newPosition = 0;
#if MY_VER_MAJOR >= 15
UInt32 readCount = signature.Size();
#else
UInt32 readCount = signature.GetCapacity();
#endif
unsigned char * buf = signature;
if (S_OK != inStream->Seek(0, FILE_CURRENT, &savedPosition))
return false;
if (S_OK != inStream->Seek(offset, seekOrigin, &newPosition)) {
inStream->Seek(savedPosition, FILE_BEGIN, &newPosition); //restore pos
return false;
}
while (readCount > 0) {
UInt32 processedCount = 0;
if (S_OK != inStream->Read(buf, readCount, &processedCount)) {
inStream->Seek(savedPosition, FILE_BEGIN, &newPosition); //restore pos
return false;
}
if (processedCount == 0)
break;
readCount -= processedCount;
buf += processedCount;
}
inStream->Seek(savedPosition, FILE_BEGIN, &newPosition); //restore pos
return readCount == 0;
}
int main2(int n, const char *args[])
{
fprintf(stderr, "\nLZMA 4.27 Copyright (c) 1999-2005 Igor Pavlov 2005-08-07\n");
if (n == 1)
{
PrintHelp();
return 0;
}
if (sizeof(Byte) != 1 || sizeof(UInt32) < 4 || sizeof(UInt64) < 4)
{
fprintf(stderr, "Unsupported base types. Edit Common/Types.h and recompile");
return 1;
}
UStringVector commandStrings;
WriteArgumentsToStringList(n, args, commandStrings);
CParser parser(kNumSwitches);
try
{
parser.ParseStrings(kSwitchForms, commandStrings);
}
catch(...)
{
IncorrectCommand();
}
if(parser[NKey::kHelp1].ThereIs || parser[NKey::kHelp2].ThereIs)
{
PrintHelp();
return 0;
}
const UStringVector &nonSwitchStrings = parser.NonSwitchStrings;
int paramIndex = 0;
if (paramIndex >= nonSwitchStrings.Size())
IncorrectCommand();
const UString &command = nonSwitchStrings[paramIndex++];
bool dictionaryIsDefined = false;
UInt32 dictionary = 1 << 21;
if(parser[NKey::kDictionary].ThereIs)
{
UInt32 dicLog;
if (!GetNumber(parser[NKey::kDictionary].PostStrings[0], dicLog))
IncorrectCommand();
dictionary = 1 << dicLog;
dictionaryIsDefined = true;
}
UString mf = L"BT4";
if (parser[NKey::kMatchFinder].ThereIs)
mf = parser[NKey::kMatchFinder].PostStrings[0];
if (command.CompareNoCase(L"b") == 0)
{
const UInt32 kNumDefaultItereations = 10;
UInt32 numIterations = kNumDefaultItereations;
{
if (paramIndex < nonSwitchStrings.Size())
if (!GetNumber(nonSwitchStrings[paramIndex++], numIterations))
numIterations = kNumDefaultItereations;
}
return LzmaBenchmark(stderr, numIterations, dictionary,
mf.CompareNoCase(L"BT4") == 0);
}
bool encodeMode = false;
if (command.CompareNoCase(L"e") == 0)
encodeMode = true;
else if (command.CompareNoCase(L"d") == 0)
encodeMode = false;
else
IncorrectCommand();
bool stdInMode = parser[NKey::kStdIn].ThereIs;
bool stdOutMode = parser[NKey::kStdOut].ThereIs;
CMyComPtr<ISequentialInStream> inStream;
CInFileStream *inStreamSpec = 0;
if (stdInMode)
{
inStream = new CStdInFileStream;
MY_SET_BINARY_MODE(stdin);
}
else
{
if (paramIndex >= nonSwitchStrings.Size())
IncorrectCommand();
const UString &inputName = nonSwitchStrings[paramIndex++];
inStreamSpec = new CInFileStream;
inStream = inStreamSpec;
if (!inStreamSpec->Open(GetSystemString(inputName)))
{
fprintf(stderr, "\nError: can not open input file %s\n",
(const char *)GetOemString(inputName));
return 1;
}
}
CMyComPtr<ISequentialOutStream> outStream;
if (stdOutMode)
{
outStream = new CStdOutFileStream;
MY_SET_BINARY_MODE(stdout);
}
else
{
if (paramIndex >= nonSwitchStrings.Size())
IncorrectCommand();
const UString &outputName = nonSwitchStrings[paramIndex++];
COutFileStream *outStreamSpec = new COutFileStream;
outStream = outStreamSpec;
if (!outStreamSpec->Create(GetSystemString(outputName), true))
{
fprintf(stderr, "\nError: can not open output file %s\n",
(const char *)GetOemString(outputName));
return 1;
}
}
if (parser[NKey::kFilter86].ThereIs)
{
// -f86 switch is for x86 filtered mode: BCJ + LZMA.
if (parser[NKey::kEOS].ThereIs || stdInMode)
throw "Can not use stdin in this mode";
UInt64 fileSize;
inStreamSpec->File.GetLength(fileSize);
if (fileSize > 0xF0000000)
throw "File is too big";
UInt32 inSize = (UInt32)fileSize;
Byte *inBuffer = 0;
if (inSize != 0)
{
inBuffer = (Byte *)MyAlloc((size_t)inSize);
if (inBuffer == 0)
throw kCantAllocate;
}
UInt32 processedSize;
if (inStream->Read(inBuffer, (UInt32)inSize, &processedSize) != S_OK)
throw "Can not read";
if ((UInt32)inSize != processedSize)
throw "Read size error";
Byte *outBuffer = 0;
size_t outSizeProcessed;
if (encodeMode)
{
// we allocate 105% of original size for output buffer
size_t outSize = (size_t)fileSize / 20 * 21 + (1 << 16);
if (outSize != 0)
{
outBuffer = (Byte *)MyAlloc((size_t)outSize);
if (outBuffer == 0)
throw kCantAllocate;
}
if (!dictionaryIsDefined)
dictionary = 1 << 23;
int res = LzmaRamEncode(inBuffer, inSize, outBuffer, outSize, &outSizeProcessed,
dictionary, SZ_FILTER_AUTO);
if (res != 0)
{
fprintf(stderr, "\nEncoder error = %d\n", (int)res);
return 1;
}
}
else
{
size_t outSize;
if (LzmaRamGetUncompressedSize(inBuffer, inSize, &outSize) != 0)
throw "data error";
if (outSize != 0)
{
outBuffer = (Byte *)MyAlloc(outSize);
if (outBuffer == 0)
throw kCantAllocate;
}
int res = LzmaRamDecompress(inBuffer, inSize, outBuffer, outSize, &outSizeProcessed, malloc, free);
if (res != 0)
throw "LzmaDecoder error";
}
if (outStream->Write(outBuffer, (UInt32)outSizeProcessed, &processedSize) != S_OK)
throw "Can not write";
MyFree(outBuffer);
MyFree(inBuffer);
return 0;
}
UInt64 fileSize;
if (encodeMode)
{
NCompress::NLZMA::CEncoder *encoderSpec =
new NCompress::NLZMA::CEncoder;
CMyComPtr<ICompressCoder> encoder = encoderSpec;
if (!dictionaryIsDefined)
dictionary = 1 << 23;
UInt32 posStateBits = 2;
UInt32 litContextBits = 3; // for normal files
// UInt32 litContextBits = 0; // for 32-bit data
UInt32 litPosBits = 0;
// UInt32 litPosBits = 2; // for 32-bit data
UInt32 algorithm = 2;
UInt32 numFastBytes = 128;
bool eos = parser[NKey::kEOS].ThereIs || stdInMode;
if(parser[NKey::kMode].ThereIs)
if (!GetNumber(parser[NKey::kMode].PostStrings[0], algorithm))
IncorrectCommand();
if(parser[NKey::kFastBytes].ThereIs)
if (!GetNumber(parser[NKey::kFastBytes].PostStrings[0], numFastBytes))
IncorrectCommand();
if(parser[NKey::kLitContext].ThereIs)
if (!GetNumber(parser[NKey::kLitContext].PostStrings[0], litContextBits))
IncorrectCommand();
if(parser[NKey::kLitPos].ThereIs)
if (!GetNumber(parser[NKey::kLitPos].PostStrings[0], litPosBits))
IncorrectCommand();
if(parser[NKey::kPosBits].ThereIs)
if (!GetNumber(parser[NKey::kPosBits].PostStrings[0], posStateBits))
IncorrectCommand();
PROPID propIDs[] =
{
NCoderPropID::kDictionarySize,
NCoderPropID::kPosStateBits,
NCoderPropID::kLitContextBits,
NCoderPropID::kLitPosBits,
NCoderPropID::kAlgorithm,
NCoderPropID::kNumFastBytes,
NCoderPropID::kMatchFinder,
NCoderPropID::kEndMarker
};
const int kNumProps = sizeof(propIDs) / sizeof(propIDs[0]);
/*
NWindows::NCOM::CPropVariant properties[kNumProps];
properties[0] = UInt32(dictionary);
properties[1] = UInt32(posStateBits);
properties[2] = UInt32(litContextBits);
properties[3] = UInt32(litPosBits);
properties[4] = UInt32(algorithm);
properties[5] = UInt32(numFastBytes);
properties[6] = mf;
properties[7] = eos;
*/
PROPVARIANT properties[kNumProps];
for (int p = 0; p < 6; p++)
properties[p].vt = VT_UI4;
properties[0].ulVal = UInt32(dictionary);
properties[1].ulVal = UInt32(posStateBits);
properties[2].ulVal = UInt32(litContextBits);
properties[3].ulVal = UInt32(litPosBits);
properties[4].ulVal = UInt32(algorithm);
properties[5].ulVal = UInt32(numFastBytes);
properties[6].vt = VT_BSTR;
properties[6].bstrVal = (BSTR)(const wchar_t *)mf;
properties[7].vt = VT_BOOL;
properties[7].boolVal = eos ? VARIANT_TRUE : VARIANT_FALSE;
if (encoderSpec->SetCoderProperties(propIDs, properties, kNumProps) != S_OK)
IncorrectCommand();
encoderSpec->WriteCoderProperties(outStream);
if (eos || stdInMode)
fileSize = (UInt64)(Int64)-1;
else
inStreamSpec->File.GetLength(fileSize);
for (int i = 0; i < 8; i++)
{
Byte b = Byte(fileSize >> (8 * i));
if (outStream->Write(&b, sizeof(b), 0) != S_OK)
{
fprintf(stderr, "Write error");
return 1;
}
}
HRESULT result = encoder->Code(inStream, outStream, 0, 0, 0);
if (result == E_OUTOFMEMORY)
{
fprintf(stderr, "\nError: Can not allocate memory\n");
return 1;
}
else if (result != S_OK)
{
fprintf(stderr, "\nEncoder error = %X\n", (unsigned int)result);
return 1;
}
}
else
{
