diff options
| -rw-r--r-- | src/main.cpp | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/src/main.cpp b/src/main.cpp index 80c8436..71c93f9 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -5,26 +5,42 @@ #include <iostream> #include <memory> +/** + * Provide an helpful message to help the user write a minimal working + * configuration file. + */ +int config_help(const std::string& missing_option) +{ + if (!missing_option.empty()) + std::cerr << "Error: empty value for option " << missing_option << "." << std::endl; + std::cerr << + "Please provide a configuration file filled like this:\n\n" + "hostname=irc.example.com\npassword=S3CR3T" + << std::endl; + return 1; +} + int main(int ac, char** av) { if (ac > 1) Config::filename = av[1]; Config::file_must_exist = true; + std::cerr << "Using configuration file: " << Config::filename << std::endl; std::string password; try { // The file must exist password = Config::get("password", ""); } catch (const std::ios::failure& e) { - return 1; + return config_help(""); } + const std::string hostname = Config::get("hostname", ""); if (password.empty()) - { - std::cerr << "No password provided." << std::endl; - return 1; - } + return config_help("hostname"); + if (hostname.empty()) + return config_help("password"); std::shared_ptr<XmppComponent> xmpp_component = - std::make_shared<XmppComponent>("irc.abricot", password); + std::make_shared<XmppComponent>(hostname, password); Poller p; p.add_socket_handler(xmpp_component); |