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// TarUpdate.cpp
#include "StdAfx.h"
#include "../../Common/LimitedStreams.h"
#include "../../Common/ProgressUtils.h"
#include "../../Compress/CopyCoder.h"
#include "TarOut.h"
#include "TarUpdate.h"
namespace NArchive {
namespace NTar {
HRESULT UpdateArchive(IInStream *inStream, ISequentialOutStream *outStream,
const CObjectVector<NArchive::NTar::CItemEx> &inputItems,
const CObjectVector<CUpdateItem> &updateItems,
IArchiveUpdateCallback *updateCallback)
{
COutArchive outArchive;
outArchive.Create(outStream);
UInt64 complexity = 0;
int i;
for(i = 0; i < updateItems.Size(); i++)
{
const CUpdateItem &ui = updateItems[i];
if (ui.NewData)
complexity += ui.Size;
else
complexity += inputItems[ui.IndexInArchive].GetFullSize();
}
RINOK(updateCallback->SetTotal(complexity));
NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder;
CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
CLocalProgress *lps = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> progress = lps;
lps->Init(updateCallback, true);
CLimitedSequentialInStream *streamSpec = new CLimitedSequentialInStream;
CMyComPtr<CLimitedSequentialInStream> inStreamLimited(streamSpec);
streamSpec->SetStream(inStream);
complexity = 0;
for(i = 0; i < updateItems.Size(); i++)
{
lps->InSize = lps->OutSize = complexity;
RINOK(lps->SetCur());
const CUpdateItem &ui = updateItems[i];
CItem item;
if (ui.NewProps)
{
item.Mode = ui.Mode;
item.Name = ui.Name;
item.User = ui.User;
item.Group = ui.Group;
if (ui.IsDir)
{
item.LinkFlag = NFileHeader::NLinkFlag::kDirectory;
item.Size = 0;
}
else
{
item.LinkFlag = NFileHeader::NLinkFlag::kNormal;
item.Size = ui.Size;
}
item.MTime = ui.Time;
item.DeviceMajorDefined = false;
item.DeviceMinorDefined = false;
item.UID = 0;
item.GID = 0;
memmove(item.Magic, NFileHeader::NMagic::kEmpty, 8);
}
else
item = inputItems[ui.IndexInArchive];
if (ui.NewData)
{
item.Size = ui.Size;
if (item.Size == (UInt64)(Int64)-1)
return E_INVALIDARG;
}
else
item.Size = inputItems[ui.IndexInArchive].Size;
if (ui.NewData)
{
CMyComPtr<ISequentialInStream> fileInStream;
HRESULT res = updateCallback->GetStream(ui.IndexInClient, &fileInStream);
if (res != S_FALSE)
{
RINOK(res);
RINOK(outArchive.WriteHeader(item));
if (!ui.IsDir)
{
RINOK(copyCoder->Code(fileInStream, outStream, NULL, NULL, progress));
if (copyCoderSpec->TotalSize != item.Size)
return E_FAIL;
RINOK(outArchive.FillDataResidual(item.Size));
}
}
complexity += ui.Size;
RINOK(updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK));
}
else
{
const CItemEx &existItem = inputItems[ui.IndexInArchive];
UInt64 size;
if (ui.NewProps)
{
RINOK(outArchive.WriteHeader(item));
RINOK(inStream->Seek(existItem.GetDataPosition(), STREAM_SEEK_SET, NULL));
size = existItem.Size;
}
else
{
RINOK(inStream->Seek(existItem.HeaderPos, STREAM_SEEK_SET, NULL));
size = existItem.GetFullSize();
}
streamSpec->Init(size);
RINOK(copyCoder->Code(inStreamLimited, outStream, NULL, NULL, progress));
if (copyCoderSpec->TotalSize != size)
return E_FAIL;
RINOK(outArchive.FillDataResidual(existItem.Size));
complexity += size;
}
}
return outArchive.WriteFinishHeader();
}
}}
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