Method operator()

Source/cmJSONHelpers.h:127–177

    }

    bool operator()(T& out, Json::Value const* value, cmJSONState* state) const
    {
      Json::Value::Members extraFields;
      if (!value && this->AnyRequired) {
        Error(JsonErrors::ObjectError::RequiredMissing, extraFields)(value,
                                                                     state);
        return false;
      }
      if (value && !value->isObject()) {
        Error(JsonErrors::ObjectError::InvalidObject, extraFields)(value,
                                                                   state);
        return false;
      }
      if (value) {
        extraFields = value->getMemberNames();
      }

      if (state->allowComments) {
        extraFields.erase(
          std::remove(extraFields.begin(), extraFields.end(), "$comment"),
          extraFields.end());
      }

      bool success = true;
      for (auto const& m : this->Members) {
        std::string name(m.Name.data(), m.Name.size());
        state->push_stack(name, value);
        if (value && value->isMember(name)) {
          if (!m.Function(out, &(*value)[name], state)) {
            success = false;
          }
          extraFields.erase(
            std::find(extraFields.begin(), extraFields.end(), name));
        } else if (!m.Required) {
          if (!m.Function(out, nullptr, state)) {
            success = false;
          }
        } else {
          Error(JsonErrors::ObjectError::MissingRequired, extraFields)(value,
                                                                       state);
          success = false;
        }
        state->pop_stack();
      }

      if (!this->AllowExtra && !extraFields.empty()) {
        Error(JsonErrors::ObjectError::ExtraField, extraFields)(value, state);
        success = false;
      }
      return success;
    }

  private:
    // Not a true cmJSONHelper, it just happens to match the signature