X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fcore%2Fapplication.h;h=35ab8734ef30fa08b7a9da21e3c854a9f30d24b1;hp=08393b724b486077452e9ffb940bd9822fc6578c;hb=231482c618cb2b30e1f7194d8d1d3ea30bc94512;hpb=d16185720fa344263367dbd50c61bfc8183d99a4 diff --git a/source/core/application.h b/source/core/application.h index 08393b7..35ab873 100644 --- a/source/core/application.h +++ b/source/core/application.h @@ -1,6 +1,8 @@ #ifndef MSP_CORE_APPLICATION_H_ #define MSP_CORE_APPLICATION_H_ +#include + namespace Msp { /** @@ -25,25 +27,48 @@ protected: private: static Starter *starter_; static Application *app_; + static const char *argv0_; + static std::string name_; static void *data_; Application(const Application &); Application &operator=(const Application &); protected: - Application(); + Application(const std::string & = std::string()); public: virtual ~Application() { } - static int run(int, char **, void * =0); + /** Constructs an instance of the registered application class and runs it. + If the application throws a usage_error, a help message is printed. The + GetOpt class will throw such exceptions automatically in error conditions. + + This function can only be called once. The global main() function provided + by the library normally does it automatically at program startup. */ + static int run(int, char **, void * =0, void (*)(void *) = 0); + static void *get_data() { return data_; } + static const char *get_argv0() { return argv0_; } + static const std::string &get_name() { return name_; } protected: + /** Default main loop. Calls tick() repeatedly until exit() is called. A + custom main loop should monitor the done member variable and return + exit_code. */ virtual int main(); + + /** Sets the specified signal to be delivered to the sighandler member + function. */ void catch_signal(int); + + /** Causes the application to exit gracefully with the given exit code. */ void exit(int); + virtual void tick() { } virtual void sighandler(int) { } + private: + /** Static wrapper function to call a member function of the Application + instance. */ static void sighandler_(int); }; @@ -65,8 +90,9 @@ private: static Starter starter_; protected: - // Force the starter into existence - RegisteredApplication() { (void)starter_; } + RegisteredApplication(const std::string &n = std::string()): + Application(n) + { (void)starter_; } // Force the starter into existence }; template