PostCloseFileRenamer.h

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#ifndef art_Framework_IO_PostCloseFileRenamer_h
#define art_Framework_IO_PostCloseFileRenamer_h

#include "art/Framework/IO/detail/FileNameComponents.h"
#include "boost/regex.hpp"

#include <string>

namespace art {
  class FileStatsCollector;
  class PostCloseFileRenamer;
} // namespace art

class art::PostCloseFileRenamer {
public:
  PostCloseFileRenamer(FileStatsCollector const& stats);

  // Apply substitutions according to given pattern from currently
  // collected stats.
  std::string applySubstitutions(std::string const& filePattern);

  // Rename file inPath according to pattern toPattern, returning
  // destination.
  std::string maybeRenameFile(std::string const& inPath,
                              std::string const& toPattern);

private:
  std::string applySubstitutionsNoIndex_(std::string const& filePattern) const;
  std::string subInputFileName_(boost::smatch const& match) const;
  std::string subTimestamp_(boost::smatch const& match) const;
  std::string subFilledNumericNoIndex_(boost::smatch const& match) const;

  FileStatsCollector const& stats_;
  std::map<detail::FileNameComponents, std::size_t> indexForProcessedPattern_{};
};

#endif /* art_Framework_IO_PostCloseFileRenamer_h */

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