ParallelFileMerger.hpp

/*
  Copyright 2016 Dr. Blatt - HPC-Simulation-Software & Services
  Copyright 2016 STATOIL AS.

  This file is part of the Open Porous Media project (OPM).

  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef OPM_PARALLELFILEMERGER_HEADER_INCLUDED
#define OPM_PARALLELFILEMERGER_HEADER_INCLUDED

#include <filesystem>
#include <iosfwd>
#include <memory>
#include <regex>
#include <string>

namespace Opm {
namespace detail {

namespace fs = ::std::filesystem;

class ParallelFileMerger
{
public:
    ParallelFileMerger(const fs::path& output_dir,
                       const std::string& deckname,
                       bool show_fallout = false);

    void operator()(const fs::path& file);

private:
    void appendFile(std::ofstream& of, const fs::path& file, const std::string& rank);

    std::regex debugFileRegex_;
    std::regex logFileRegex_;
    std::regex fileWarningRegex_;
    std::unique_ptr<std::ofstream> debugStream_;
    std::unique_ptr<std::ofstream> logStream_;
    bool show_fallout_;
};

} // end namespace detail
} // end namespace Opm

#endif // end header guard