lanelet2_map_interface.cpp File Reference

#include <cctype>
#include <cstdlib>
#include <filesystem>
#include <utility>
#include "lanelet2_map_interface/lanelet2_map_interface.hpp"

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Functions
std::filesystem::path	resolveFilepath (const std::string &path_string)
	Resolves a relative string filepath.

Function Documentation

resolveFilepath()

std::filesystem::path resolveFilepath

(

const std::string &

path_string

)

Resolves a relative string filepath.

Interprets paths relative to $ROS_HOME, $HOME/.ros, or current working directory. If the path is absolute, it is returned as-is.

Parameters

[in]

path_string

(relative) path

Returns

resolved path

Definition at line 20 of file lanelet2_map_interface.cpp.

                                                                {
  std::filesystem::path path(path_string);
  if (path_string.empty()) return path;
  if (!path.has_root_path()) {
    const char* ros_home_ptr = std::getenv("ROS_HOME");
    if (ros_home_ptr != nullptr && !std::string(ros_home_ptr).empty()) {
      path = std::filesystem::path(std::string(ros_home_ptr));
    } else {
      const char* home_dir = std::getenv("HOME");
      if (home_dir != nullptr && !std::string(home_dir).empty()) {
        path = std::filesystem::path(std::string(home_dir) + "/.ros");
      } else {
        path = std::filesystem::current_path();
      }
    }
    path.append(path_string);
  }
  path = path.lexically_normal();
  return path;
}