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// TarHandlerOut.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Common/Defs.h"
#include "../../../Common/StringConvert.h"
#include "../../../Common/UTFConvert.h"
#include "../../../Windows/PropVariant.h"
#include "../../../Windows/TimeUtils.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;
}
HRESULT GetPropString(IArchiveUpdateCallback *callback, UInt32 index, PROPID propId,
AString &res, UINT codePage, bool convertSlash = false)
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(index, propId, &prop));
if (prop.vt == VT_BSTR)
{
UString s = prop.bstrVal;
if (convertSlash)
s = NItemName::MakeLegalName(s);
if (codePage == CP_UTF8)
{
if (!ConvertUnicodeToUTF8(s, res))
return E_INVALIDARG;
}
else
UnicodeStringToMultiByte2(res, s, codePage);
}
else if (prop.vt != VT_EMPTY)
return E_INVALIDARG;
return S_OK;
}
// sort old files with original order.
static int CompareUpdateItems(void *const *p1, void *const *p2, void *)
{
const CUpdateItem &u1 = *(*((const CUpdateItem **)p1));
const CUpdateItem &u2 = *(*((const CUpdateItem **)p2));
if (!u1.NewProps)
{
if (u2.NewProps)
return -1;
return MyCompare(u1.IndexInArchive, u2.IndexInArchive);
}
if (!u2.NewProps)
return 1;
return MyCompare(u1.IndexInClient, u2.IndexInClient);
}
STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
IArchiveUpdateCallback *callback)
{
COM_TRY_BEGIN
if ((_stream && (_error != k_ErrorType_OK /* || _isSparse */)) || _seqStream)
return E_NOTIMPL;
CObjectVector<CUpdateItem> updateItems;
UINT codePage = (_forceCodePage ? _specifiedCodePage : _openCodePage);
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.MTime = 0;
else if (prop.vt != VT_FILETIME)
return E_INVALIDARG;
else
ui.MTime = NTime::FileTimeToUnixTime64(prop.filetime);
}
RINOK(GetPropString(callback, i, kpidPath, ui.Name, codePage, true));
if (ui.IsDir && !ui.Name.IsEmpty() && ui.Name.Back() != '/')
ui.Name += '/';
RINOK(GetPropString(callback, i, kpidUser, ui.User, codePage));
RINOK(GetPropString(callback, i, kpidGroup, ui.Group, codePage));
}
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);
}
if (_thereIsPaxExtendedHeader)
{
// we restore original order of files, if there is pax header block
updateItems.Sort(CompareUpdateItems, NULL);
}
return UpdateArchive(_stream, outStream, _items, updateItems, codePage, callback);
COM_TRY_END
}
}}
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