#include "openmc/file_utils.h"

#include <filesystem>

namespace openmc {

bool dir_exists(const std::string& path)

{

std::filesystem::path d(path);

return std::filesystem::is_directory(d);

}

bool file_exists(const std::string& filename)

{

std::filesystem::path p(filename);

if (!std::filesystem::exists(p)) {

return false;

}

if (std::filesystem::is_directory(p)) {

return false;

}

return true;

}

std::string dir_name(const std::string& filename)

{

std::filesystem::path p(filename);

return (p.parent_path()).string();

}

std::string get_file_extension(const std::string& filename)

{

std::filesystem::path p(filename);

auto ext = p.extension();

if (!ext.empty()) {

// path::extension includes the period

return ext.string().substr(1);

}

return "";

}

} // namespace openmc