Function DictionaryDoubleDecode

be/src/gutil/strings/serialize.cc:310–327

bool DictionaryDoubleDecode(unordered_map<string, double>* dictionary,
                            const string& encoded_str) {
  vector<pair<string, string> > items;
  if (!DictionaryParse(encoded_str, &items))
    return false;

  dictionary->clear();
  for (const auto& item : items) {
    char *error = nullptr;
    const double value = strtod(item.second.c_str(), &error);
    if (error == item.second.c_str() || *error != '\0') {
      // parsing error
      return false;
    }
    (*dictionary)[item.first] = value;
  }
  return true;
}