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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#ifndef STATUSHANDLER_IMPL_H_INCLUDED
#define STATUSHANDLER_IMPL_H_INCLUDED
#include <zen/optional.h>
#include <zen/file_error.h>
#include "process_callback.h"
template <typename Function> inline
zen::Opt<std::wstring> tryReportingError(Function cmd, ProcessCallback& handler) //return ignored error message if available
{
for (size_t retryNumber = 0;; ++retryNumber)
try
{
cmd(); //throw FileError
return zen::NoValue();
}
catch (zen::FileError& error)
{
switch (handler.reportError(error.toString(), retryNumber)) //may throw!
{
case ProcessCallback::IGNORE_ERROR:
return error.toString();
case ProcessCallback::RETRY:
break; //continue with loop
}
}
}
#endif //STATUSHANDLER_IMPL_H_INCLUDED
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