Function RemoveAncestor

cpp/src/arrow/filesystem/path_util.cc:253–261

}

std::optional<std::string_view> RemoveAncestor(std::string_view ancestor,
                                               std::string_view descendant) {
  if (!IsAncestorOf(ancestor, descendant)) {
    return std::nullopt;
  }

  auto relative_to_ancestor = descendant.substr(ancestor.size());
  return RemoveLeadingSlash(relative_to_ancestor);
}

std::vector<std::string> AncestorsFromBasePath(std::string_view base_path,
                                               std::string_view descendant) {