Method resolve

external/jsoncpp/jsoncpp.cpp:4030–4046

}

Value Path::resolve(const Value &root, const Value &defaultValue) const {
  const Value *node = &root;
  for (const auto &arg : args_) {
    if (arg.kind_ == PathArgument::kindIndex) {
      if (!node->isArray() || !node->isValidIndex(arg.index_))
        return defaultValue;
      node = &((*node)[arg.index_]);
    } else if (arg.kind_ == PathArgument::kindKey) {
      if (!node->isObject())
        return defaultValue;
      node = &((*node)[arg.key_]);
      if (node == &Value::nullSingleton())
        return defaultValue;
    }
  }
  return *node;
}

Value &Path::make(Value &root) const {
  Value *node = &root;