ConfigurationManager::optionValue_t ConfigurationManager::getOptionValue()

in prod/native/libcommon/code/ConfigurationManager.cpp [61:92]

• 31 lines of code
• 7 McCabe index (conditional complexity)

ConfigurationManager::optionValue_t ConfigurationManager::getOptionValue(std::string_view optionName, ConfigurationSnapshot const &snapshot) const {
    auto option = options_.find(std::string(optionName));
    if (option == std::end(options_)) {
        return std::nullopt;
    }

    auto const &metadata = option->second;
    switch (metadata.type) {
        case elasticapm::php::ConfigurationManager::OptionMetadata::type::string: {
            std::string *value = reinterpret_cast<std::string *>((std::byte *)&snapshot + metadata.offset);
            return std::string(value->data(), value->length());
        }
        case elasticapm::php::ConfigurationManager::OptionMetadata::type::boolean: {
            bool *value = reinterpret_cast<bool *>((std::byte *)&snapshot + metadata.offset);
            return *value;
        }
        case elasticapm::php::ConfigurationManager::OptionMetadata::type::duration: {
            auto value = reinterpret_cast<std::chrono::milliseconds *>((std::byte *)&snapshot + metadata.offset);
            return *value;
        }
        case elasticapm::php::ConfigurationManager::OptionMetadata::type::loglevel: {
            LogLevel *value = reinterpret_cast<LogLevel *>((std::byte *)&snapshot + metadata.offset);
            return *value;
        }
        case elasticapm::php::ConfigurationManager::OptionMetadata::type::bytes: {
            size_t *value = reinterpret_cast<size_t *>((std::byte *)&snapshot + metadata.offset);
            return *value;
        }
        default:
            return std::nullopt;
    }
}