HRESULT CAddCommon::Compress(
DECL_EXTERNAL_CODECS_LOC_VARS
ISequentialInStream *inStream, IOutStream *outStream,
ICompressProgressInfo *progress, CCompressingResult &operationResult)
{
CSequentialInStreamWithCRC *inSecCrcStreamSpec = 0;
CInStreamWithCRC *inCrcStreamSpec = 0;
CMyComPtr<ISequentialInStream> inCrcStream;
{
CMyComPtr<IInStream> inStream2;
// we don't support stdin, since stream from stdin can require 64-bit size header
RINOK(inStream->QueryInterface(IID_IInStream, (void **)&inStream2));
if (inStream2)
{
inCrcStreamSpec = new CInStreamWithCRC;
inCrcStream = inCrcStreamSpec;
inCrcStreamSpec->SetStream(inStream2);
inCrcStreamSpec->Init();
}
else
{
inSecCrcStreamSpec = new CSequentialInStreamWithCRC;
inCrcStream = inSecCrcStreamSpec;
inSecCrcStreamSpec->SetStream(inStream);
inSecCrcStreamSpec->Init();
}
}
int numTestMethods = _options.MethodSequence.Size();
if (numTestMethods > 1 || _options.PasswordIsDefined)
{
if (inCrcStreamSpec == 0)
{
if (_options.PasswordIsDefined)
return E_NOTIMPL;
numTestMethods = 1;
}
}
Byte method = 0;
COutStreamReleaser outStreamReleaser;
for (int i = 0; i < numTestMethods; i++)
{
if (inCrcStreamSpec != 0)
RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
RINOK(outStream->Seek(0, STREAM_SEEK_SET, NULL));
if (_options.PasswordIsDefined)
{
if (!_cryptoStream)
{
_cryptoStreamSpec = new CFilterCoder;
_cryptoStream = _cryptoStreamSpec;
}
if (_options.IsAesMode)
{
_cryptoStreamSpec->Filter = _aesFilter = _filterAesSpec = new NCrypto::NWzAes::CEncoder;
_filterAesSpec->SetKeyMode(_options.AesKeyMode);
RINOK(_filterAesSpec->CryptoSetPassword(
(const Byte *)(const char *)_options.Password, _options.Password.Length()));
RINOK(_filterAesSpec->WriteHeader(outStream));
}
else
{
_cryptoStreamSpec->Filter = _zipCryptoFilter = _filterSpec = new NCrypto::NZip::CEncoder;
RINOK(_filterSpec->CryptoSetPassword(
(const Byte *)(const char *)_options.Password, _options.Password.Length()));
UInt32 crc = 0;
RINOK(GetStreamCRC(inStream, crc));
RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
RINOK(_filterSpec->CryptoSetCRC(crc));
RINOK(_filterSpec->WriteHeader(outStream));
}
RINOK(_cryptoStreamSpec->SetOutStream(outStream));
outStreamReleaser.FilterCoder = _cryptoStreamSpec;
}
method = _options.MethodSequence[i];
switch(method)
{
case NFileHeader::NCompressionMethod::kStored:
{
if (_copyCoderSpec == NULL)
{
_copyCoderSpec = new NCompress::CCopyCoder;
_copyCoder = _copyCoderSpec;
}
CMyComPtr<ISequentialOutStream> outStreamNew;
if (_options.PasswordIsDefined)
outStreamNew = _cryptoStream;
else
outStreamNew = outStream;
RINOK(_copyCoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
operationResult.ExtractVersion = NFileHeader::NCompressionMethod::kStoreExtractVersion;
break;
}
default:
{
if (!_compressEncoder)
{
if (method == NFileHeader::NCompressionMethod::kLZMA)
{
CLzmaEncoder *_lzmaEncoder = new CLzmaEncoder();
_compressEncoder = _lzmaEncoder;
NWindows::NCOM::CPropVariant props[] =
{
#ifdef COMPRESS_MT
_options.NumThreads,
#endif
_options.Algo,
_options.DicSize,
_options.NumFastBytes,
(BSTR)(const wchar_t *)_options.MatchFinder,
_options.NumMatchFinderCycles
};
PROPID propIDs[] =
{
#ifdef COMPRESS_MT
NCoderPropID::kNumThreads,
#endif
NCoderPropID::kAlgorithm,
NCoderPropID::kDictionarySize,
NCoderPropID::kNumFastBytes,
NCoderPropID::kMatchFinder,
NCoderPropID::kMatchFinderCycles
};
int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
if (!_options.NumMatchFinderCyclesDefined)
numProps--;
RINOK(_lzmaEncoder->SetCoderProperties(propIDs, props, numProps));
}
else
{
CMethodId methodId;
switch(method)
{
case NFileHeader::NCompressionMethod::kBZip2:
methodId = kMethodId_BZip2;
break;
default:
methodId = kMethodId_ZipBase + method;
break;
}
RINOK(CreateCoder(
EXTERNAL_CODECS_LOC_VARS
methodId, _compressEncoder, true));
if (!_compressEncoder)
return E_NOTIMPL;
if (method == NFileHeader::NCompressionMethod::kDeflated ||
method == NFileHeader::NCompressionMethod::kDeflated64)
{
NWindows::NCOM::CPropVariant props[] =
{
_options.Algo,
_options.NumPasses,
_options.NumFastBytes,
_options.NumMatchFinderCycles
};
PROPID propIDs[] =
{
NCoderPropID::kAlgorithm,
NCoderPropID::kNumPasses,
NCoderPropID::kNumFastBytes,
NCoderPropID::kMatchFinderCycles
};
int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
if (!_options.NumMatchFinderCyclesDefined)
numProps--;
CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
_compressEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties);
if (setCoderProperties)
{
RINOK(setCoderProperties->SetCoderProperties(propIDs, props, numProps));
}
}
else if (method == NFileHeader::NCompressionMethod::kBZip2)
{
NWindows::NCOM::CPropVariant props[] =
{
_options.DicSize,
_options.NumPasses
#ifdef COMPRESS_MT
, _options.NumThreads
#endif
};
PROPID propIDs[] =
{
NCoderPropID::kDictionarySize,
NCoderPropID::kNumPasses
#ifdef COMPRESS_MT
, NCoderPropID::kNumThreads
#endif
};
CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
_compressEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties);
if (setCoderProperties)
{
RINOK(setCoderProperties->SetCoderProperties(propIDs, props, sizeof(propIDs) / sizeof(propIDs[0])));
}
}
}
}
CMyComPtr<ISequentialOutStream> outStreamNew;
if (_options.PasswordIsDefined)
outStreamNew = _cryptoStream;
else
outStreamNew = outStream;
RINOK(_compressEncoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
operationResult.ExtractVersion = NFileHeader::NCompressionMethod::kDeflateExtractVersion;
break;
}
}
RINOK(outStream->Seek(0, STREAM_SEEK_CUR, &operationResult.PackSize));
if (inCrcStreamSpec != 0)
{
operationResult.CRC = inCrcStreamSpec->GetCRC();
operationResult.UnpackSize = inCrcStreamSpec->GetSize();
}
else
{
operationResult.CRC = inSecCrcStreamSpec->GetCRC();
operationResult.UnpackSize = inSecCrcStreamSpec->GetSize();
}
if (_options.PasswordIsDefined)
{
if (operationResult.PackSize < operationResult.UnpackSize +
(_options.IsAesMode ? _filterAesSpec->GetHeaderSize() : NCrypto::NZip::kHeaderSize))
break;
}
else if (operationResult.PackSize < operationResult.UnpackSize)
break;
}
if (_options.IsAesMode)
{
RINOK(_filterAesSpec->WriteFooter(outStream));
RINOK(outStream->Seek(0, STREAM_SEEK_CUR, &operationResult.PackSize));
}
operationResult.Method = method;
return outStream->SetSize(operationResult.PackSize);
}
HRESULT CAddCommon::Compress(ISequentialInStream *inStream, IOutStream *outStream,
ICompressProgressInfo *progress, CCompressingResult &operationResult)
{
CSequentialInStreamWithCRC *inSecCrcStreamSpec = 0;
CInStreamWithCRC *inCrcStreamSpec = 0;
CMyComPtr<ISequentialInStream> inCrcStream;
{
CMyComPtr<IInStream> inStream2;
// we don't support stdin, since stream from stdin can require 64-bit size header
RINOK(inStream->QueryInterface(IID_IInStream, (void **)&inStream2));
if (inStream2)
{
inCrcStreamSpec = new CInStreamWithCRC;
inCrcStream = inCrcStreamSpec;
inCrcStreamSpec->SetStream(inStream2);
inCrcStreamSpec->Init();
}
else
{
inSecCrcStreamSpec = new CSequentialInStreamWithCRC;
inCrcStream = inSecCrcStreamSpec;
inSecCrcStreamSpec->SetStream(inStream);
inSecCrcStreamSpec->Init();
}
}
int numTestMethods = _options.MethodSequence.Size();
if (numTestMethods > 1 || _options.PasswordIsDefined)
{
if (inCrcStreamSpec == 0)
{
if (_options.PasswordIsDefined)
return E_NOTIMPL;
numTestMethods = 1;
}
}
Byte method = 0;
COutStreamReleaser outStreamReleaser;
for(int i = 0; i < numTestMethods; i++)
{
if (inCrcStreamSpec != 0)
RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
RINOK(outStream->Seek(0, STREAM_SEEK_SET, NULL));
if (_options.PasswordIsDefined)
{
if (!_cryptoStream)
{
_cryptoStreamSpec = new CFilterCoder;
_cryptoStream = _cryptoStreamSpec;
}
if (_options.IsAesMode)
{
_cryptoStreamSpec->Filter = _aesFilter = _filterAesSpec = new NCrypto::NWzAES::CEncoder;
_filterAesSpec->SetKeyMode(_options.AesKeyMode);
RINOK(_filterAesSpec->CryptoSetPassword(
(const Byte *)(const char *)_options.Password, _options.Password.Length()));
RINOK(_filterAesSpec->WriteHeader(outStream));
}
else
{
_cryptoStreamSpec->Filter = _zipCryptoFilter = _filterSpec = new NCrypto::NZip::CEncoder;
RINOK(_filterSpec->CryptoSetPassword(
(const Byte *)(const char *)_options.Password, _options.Password.Length()));
UInt32 crc = 0;
RINOK(GetStreamCRC(inStream, crc));
RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
RINOK(_filterSpec->CryptoSetCRC(crc));
RINOK(_filterSpec->WriteHeader(outStream));
}
RINOK(_cryptoStreamSpec->SetOutStream(outStream));
outStreamReleaser.FilterCoder = _cryptoStreamSpec;
}
method = _options.MethodSequence[i];
switch(method)
{
case NFileHeader::NCompressionMethod::kStored:
{
if(_copyCoderSpec == NULL)
{
_copyCoderSpec = new NCompress::CCopyCoder;
_copyCoder = _copyCoderSpec;
}
CMyComPtr<ISequentialOutStream> outStreamNew;
if (_options.PasswordIsDefined)
outStreamNew = _cryptoStream;
else
outStreamNew = outStream;
RINOK(_copyCoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
operationResult.ExtractVersion = NFileHeader::NCompressionMethod::kStoreExtractVersion;
break;
}
default:
{
if(!_compressEncoder)
{
// RINOK(m_MatchFinder.CoCreateInstance(CLSID_CMatchFinderBT3));
#ifndef COMPRESS_DEFLATE
UString methodName;
N7z::LoadMethodMap();
#endif
switch(method)
{
case NFileHeader::NCompressionMethod::kDeflated:
{
#ifdef COMPRESS_DEFLATE
_compressEncoder = new NCompress::NDeflate::NEncoder::CCOMCoder;
#else
methodName = L"Deflate";
#endif
break;
}
case NFileHeader::NCompressionMethod::kDeflated64:
{
#ifdef COMPRESS_DEFLATE64
_compressEncoder = new NCompress::NDeflate::NEncoder::CCOMCoder64;
#else
methodName = L"Deflate64";
#endif
break;
}
case NFileHeader::NCompressionMethod::kBZip2:
{
#ifdef COMPRESS_BZIP2
_compressEncoder = new NCompress::NBZip2::CEncoder;
#else
methodName = L"BZip2";
#endif
break;
}
}
#ifndef COMPRESS_DEFLATE
N7z::CMethodInfo2 methodInfo;
if (!N7z::GetMethodInfo(methodName, methodInfo))
return E_NOTIMPL;
RINOK(_compressLib.LoadAndCreateCoder(
methodInfo.FilePath, methodInfo.Encoder, &_compressEncoder));
#endif
if (method == NFileHeader::NCompressionMethod::kDeflated ||
method == NFileHeader::NCompressionMethod::kDeflated64)
{
NWindows::NCOM::CPropVariant properties[] =
{
_options.NumPasses,
_options.NumFastBytes,
_options.NumMatchFinderCycles
};
PROPID propIDs[] =
{
NCoderPropID::kNumPasses,
NCoderPropID::kNumFastBytes,
NCoderPropID::kMatchFinderCycles
};
int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
if (!_options.NumMatchFinderCyclesDefined)
numProps--;
CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
_compressEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties);
if (setCoderProperties)
{
RINOK(setCoderProperties->SetCoderProperties(propIDs, properties, numProps));
}
}
else if (method == NFileHeader::NCompressionMethod::kBZip2)
{
NWindows::NCOM::CPropVariant properties[] =
{
_options.DicSize,
_options.NumPasses
#ifdef COMPRESS_MT
, _options.NumThreads
#endif
};
PROPID propIDs[] =
{
NCoderPropID::kDictionarySize,
NCoderPropID::kNumPasses
#ifdef COMPRESS_MT
, NCoderPropID::kNumThreads
#endif
};
CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
_compressEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties);
if (setCoderProperties)
{
RINOK(setCoderProperties->SetCoderProperties(propIDs, properties, sizeof(propIDs) / sizeof(propIDs[0])));
}
}
}
CMyComPtr<ISequentialOutStream> outStreamNew;
if (_options.PasswordIsDefined)
outStreamNew = _cryptoStream;
else
outStreamNew = outStream;
RINOK(_compressEncoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
operationResult.ExtractVersion = NFileHeader::NCompressionMethod::kDeflateExtractVersion;
break;
}
}
RINOK(outStream->Seek(0, STREAM_SEEK_CUR, &operationResult.PackSize));
if (inCrcStreamSpec != 0)
{
operationResult.CRC = inCrcStreamSpec->GetCRC();
operationResult.UnpackSize = inCrcStreamSpec->GetSize();
}
else
{
operationResult.CRC = inSecCrcStreamSpec->GetCRC();
operationResult.UnpackSize = inSecCrcStreamSpec->GetSize();
}
if (_options.PasswordIsDefined)
{
if (operationResult.PackSize < operationResult.UnpackSize +
(_options.IsAesMode ? _filterAesSpec->GetHeaderSize() : NCrypto::NZip::kHeaderSize))
break;
}
else if (operationResult.PackSize < operationResult.UnpackSize)
break;
}
if (_options.IsAesMode)
{
RINOK(_filterAesSpec->WriteFooter(outStream));
RINOK(outStream->Seek(0, STREAM_SEEK_CUR, &operationResult.PackSize));
}
operationResult.Method = method;
return outStream->SetSize(operationResult.PackSize);
}
