static bool IsThereFolderOfPath(const UString &path)
{
CFileInfoW fileInfo;
if (!FindFile(path, fileInfo))
return false;
return fileInfo.IsDirectory();
}
// IExtractCallBack3
STDMETHODIMP CExtractCallbackImp::AskWrite(
const wchar_t *srcPath, Int32 srcIsFolder,
const FILETIME *srcTime, const UInt64 *srcSize,
const wchar_t *destPath,
BSTR *destPathResult,
Int32 *writeAnswer)
{
UString destPathResultTemp = destPath;
/*
{
CMyComBSTR destPathResultBSTR = destPath;
*destPathResult = destPathResultBSTR.Detach();
}
*/
*destPathResult = 0;
*writeAnswer = BoolToInt(false);
UString destPathSpec = destPath;
UString destPathSys = destPathSpec;
bool srcIsFolderSpec = IntToBool(srcIsFolder);
CFileInfoW destFileInfo;
if (FindFile(destPathSys, destFileInfo))
{
if (srcIsFolderSpec)
{
if (!destFileInfo.IsDirectory())
{
UString message = UString(L"can not replace file \'")
+ destPathSpec +
UString(L"\' with folder with same name");
RINOK(MessageError(message));
return E_ABORT;
}
*writeAnswer = BoolToInt(false);
return S_OK;
}
if (destFileInfo.IsDirectory())
{
UString message = UString(L"can not replace folder \'")
+ destPathSpec +
UString(L"\' with file with same name");
RINOK(MessageError(message));
return E_FAIL;
}
switch(OverwriteMode)
{
case NExtract::NOverwriteMode::kSkipExisting:
return S_OK;
case NExtract::NOverwriteMode::kAskBefore:
{
Int32 overwiteResult;
RINOK(AskOverwrite(
destPathSpec,
&destFileInfo.LastWriteTime, &destFileInfo.Size,
srcPath,
srcTime, srcSize,
&overwiteResult));
switch(overwiteResult)
{
case NOverwriteAnswer::kCancel:
return E_ABORT;
case NOverwriteAnswer::kNo:
return S_OK;
case NOverwriteAnswer::kNoToAll:
OverwriteMode = NExtract::NOverwriteMode::kSkipExisting;
return S_OK;
case NOverwriteAnswer::kYesToAll:
OverwriteMode = NExtract::NOverwriteMode::kWithoutPrompt;
break;
case NOverwriteAnswer::kYes:
break;
case NOverwriteAnswer::kAutoRename:
OverwriteMode = NExtract::NOverwriteMode::kAutoRename;
break;
default:
throw 20413;
}
}
}
if (OverwriteMode == NExtract::NOverwriteMode::kAutoRename)
{
if (!AutoRenamePath(destPathSys))
{
UString message = UString(L"can not create name of file ")
+ destPathSys;
RINOK(MessageError(message));
return E_ABORT;
}
destPathResultTemp = destPathSys;
}
else
if (!NFile::NDirectory::DeleteFileAlways(destPathSys))
{
UString message = UString(L"can not delete output file ")
+ destPathSys;
RINOK(MessageError(message));
return E_ABORT;
}
}
CMyComBSTR destPathResultBSTR = destPathResultTemp;
*destPathResult = destPathResultBSTR.Detach();
*writeAnswer = BoolToInt(true);
return S_OK;
}
