Function ParentDirectory

src/tools/PlatformIO.cpp:47–53

#ifdef _WIN32
std::wstring ParentDirectory(const std::wstring& fileName) {
  const size_t slash = fileName.find_last_of(L"\\/");
  if (slash == std::wstring::npos) {
    return L".\\";
  }
  return fileName.substr(0, slash + 1);
}
#else
std::string ParentDirectory(const std::string& fileName) {
  const size_t slash = fileName.find_last_of('/');