input_output.h

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/*
Copyright 2024 by Julian Nubert, Robotic Systems Lab, ETH Zurich.
All rights reserved.
This file is released under the "BSD-3-Clause License".
Please see the LICENSE file that has been included as part of this package.
 */
 
#ifndef GMSF_INPUT_OUTPUT_H
#define GMSF_INPUT_OUTPUT_H
 
// C++
#include <filesystem>
#include <iostream>
#include <string>
 
// Workspace
#include "holistic_fusion/interface/constants.h"
 
namespace holistic_fusion {
 
// Utility
inline std::string getLatestSubdirectory(const std::string& directoryPath) {
  std::filesystem::path latestDir;
  std::filesystem::file_time_type latestTime = std::filesystem::file_time_type::min();
 
  REGULAR_COUT << " Looking for latest directory in " << directoryPath << std::endl;
 
  for (const auto& entry : std::filesystem::directory_iterator(directoryPath)) {
    if (entry.is_directory()) {
      const std::filesystem::file_time_type currentLastWriteTime = entry.last_write_time();
      if (currentLastWriteTime > latestTime) {
        latestTime = currentLastWriteTime;
        latestDir = entry.path();
      }
    }
  }
 
  return latestDir.empty() ? "" : latestDir.filename().string();
}
 
}  // namespace holistic_fusion
 
#endif  // GMSF_INPUT_OUTPUT_H