Function read_toml_value

RecompModTool/main.cpp:167–186

template <typename T>
static T read_toml_value(const toml::table& data, std::string_view key, bool required) {
    const toml::node* value_node  = data.get(key);

    if (value_node == nullptr) {
        if (required) {
            throw toml::parse_error(("Missing required field \"" + std::string{key} + "\"").c_str(), data.source());
        }
        else {
            return T{};
        }
    }

    std::optional<T> opt = value_node->value_exact<T>();
    if (opt.has_value()) {
        return opt.value();
    }
    else {
        throw toml::parse_error(("Incorrect type for field \"" + std::string{key} + "\"").c_str(), data.source());
    }
}

static const toml::array& read_toml_array(const toml::table& data, std::string_view key, bool required) {
    static const toml::array empty_array = toml::array{};