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// GZipUpdate.cpp
#include "StdAfx.h"
#include "GZipUpdate.h"
#include "Common/Defs.h"
#include "Common/StringConvert.h"
#include "Windows/Defs.h"
#include "Windows/PropVariant.h"
#include "../../ICoder.h"
#include "../../Common/ProgressUtils.h"
#include "../../Common/CreateCoder.h"
#include "../../Compress/Copy/CopyCoder.h"
#include "../Common/InStreamWithCRC.h"
namespace NArchive {
namespace NGZip {
static const CMethodId kMethodId_Deflate = 0x040108;
static const Byte kHostOS =
#ifdef _WIN32
NFileHeader::NHostOS::kFAT;
#else
NFileHeader::NHostOS::kUnix;
#endif
HRESULT UpdateArchive(
DECL_EXTERNAL_CODECS_LOC_VARS
IInStream * /* inStream */,
UInt64 unpackSize,
ISequentialOutStream *outStream,
const CItem &newItem,
const CCompressionMethodMode &compressionMethod,
int indexInClient,
IArchiveUpdateCallback *updateCallback)
{
UInt64 complexity = unpackSize;
RINOK(updateCallback->SetTotal(complexity));
CMyComPtr<ICompressCoder> deflateEncoder;
complexity = 0;
RINOK(updateCallback->SetCompleted(&complexity));
CMyComPtr<ISequentialInStream> fileInStream;
RINOK(updateCallback->GetStream(indexInClient, &fileInStream));
CSequentialInStreamWithCRC *inStreamSpec = new CSequentialInStreamWithCRC;
CMyComPtr<ISequentialInStream> crcStream(inStreamSpec);
inStreamSpec->SetStream(fileInStream);
inStreamSpec->Init();
CLocalProgress *lps = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> progress = lps;
lps->Init(updateCallback, true);
COutArchive outArchive;
outArchive.Create(outStream);
CItem item = newItem;
item.CompressionMethod = NFileHeader::NCompressionMethod::kDeflate;
item.ExtraFlags = 0;
item.HostOS = kHostOS;
RINOK(outArchive.WriteHeader(item));
{
RINOK(CreateCoder(
EXTERNAL_CODECS_LOC_VARS
kMethodId_Deflate, deflateEncoder, true));
if (!deflateEncoder)
return E_NOTIMPL;
NWindows::NCOM::CPropVariant properties[] =
{
compressionMethod.Algo,
compressionMethod.NumPasses,
compressionMethod.NumFastBytes,
compressionMethod.NumMatchFinderCycles
};
PROPID propIDs[] =
{
NCoderPropID::kAlgorithm,
NCoderPropID::kNumPasses,
NCoderPropID::kNumFastBytes,
NCoderPropID::kMatchFinderCycles
};
int numProps = sizeof(propIDs) / sizeof(propIDs[0]);
if (!compressionMethod.NumMatchFinderCyclesDefined)
numProps--;
CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
RINOK(deflateEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties));
RINOK(setCoderProperties->SetCoderProperties(propIDs, properties, numProps));
}
RINOK(deflateEncoder->Code(crcStream, outStream, NULL, NULL, progress));
item.FileCRC = inStreamSpec->GetCRC();
item.UnPackSize32 = (UInt32)inStreamSpec->GetSize();
RINOK(outArchive.WritePostHeader(item));
return updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK);
}
}}
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