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// TarHandlerOut.cpp
#include "StdAfx.h"
#include "Common/ComTry.h"
#include "Common/StringConvert.h"
#include "Windows/PropVariant.h"
#include "Windows/Time.h"
#include "TarHandler.h"
#include "TarUpdate.h"
using namespace NWindows;
namespace NArchive {
namespace NTar {
STDMETHODIMP CHandler::GetFileTimeType(UInt32 *type)
{
*type = NFileTimeType::kUnix;
return S_OK;
}
static HRESULT GetPropString(IArchiveUpdateCallback *callback, UInt32 index, PROPID propId, AString &res)
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(index, propId, &prop));
if (prop.vt == VT_BSTR)
res = UnicodeStringToMultiByte(prop.bstrVal, CP_OEMCP);
else if (prop.vt != VT_EMPTY)
return E_INVALIDARG;
return S_OK;
}
STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
IArchiveUpdateCallback *callback)
{
COM_TRY_BEGIN
if ((_stream && !_errorMessage.IsEmpty()) || _seqStream)
return E_NOTIMPL;
CObjectVector<CUpdateItem> updateItems;
for (UInt32 i = 0; i < numItems; i++)
{
CUpdateItem ui;
Int32 newData;
Int32 newProps;
UInt32 indexInArchive;
if (!callback)
return E_FAIL;
RINOK(callback->GetUpdateItemInfo(i, &newData, &newProps, &indexInArchive));
ui.NewProps = IntToBool(newProps);
ui.NewData = IntToBool(newData);
ui.IndexInArchive = indexInArchive;
ui.IndexInClient = i;
if (IntToBool(newProps))
{
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidIsDir, &prop));
if (prop.vt == VT_EMPTY)
ui.IsDir = false;
else if (prop.vt != VT_BOOL)
return E_INVALIDARG;
else
ui.IsDir = (prop.boolVal != VARIANT_FALSE);
}
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidPosixAttrib, &prop));
if (prop.vt == VT_EMPTY)
ui.Mode = 0777 | (ui.IsDir ? 0040000 : 0100000);
else if (prop.vt != VT_UI4)
return E_INVALIDARG;
else
ui.Mode = prop.ulVal;
}
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidMTime, &prop));
if (prop.vt == VT_EMPTY)
ui.Time = 0;
else if (prop.vt != VT_FILETIME)
return E_INVALIDARG;
else if (!NTime::FileTimeToUnixTime(prop.filetime, ui.Time))
ui.Time = 0;
}
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidPath, &prop));
if (prop.vt == VT_BSTR)
ui.Name = UnicodeStringToMultiByte(NItemName::MakeLegalName(prop.bstrVal), CP_OEMCP);
else if (prop.vt != VT_EMPTY)
return E_INVALIDARG;
if (ui.IsDir)
ui.Name += '/';
}
RINOK(GetPropString(callback, i, kpidUser, ui.User));
RINOK(GetPropString(callback, i, kpidGroup, ui.Group));
}
if (IntToBool(newData))
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidSize, &prop));
if (prop.vt != VT_UI8)
return E_INVALIDARG;
ui.Size = prop.uhVal.QuadPart;
/*
// now we support GNU extension for big files
if (ui.Size >= ((UInt64)1 << 33))
return E_INVALIDARG;
*/
}
updateItems.Add(ui);
}
return UpdateArchive(_stream, outStream, _items, updateItems, callback);
COM_TRY_END
}
}}
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