int main(int argc, char **argv) {
// To know if there was an error or not
int errcode = 0;
// Scan all arguments
int show_help = 0;
int show_ver = 0;
const char *filename = NULL;
int scan_ok = 1;
int err_manyfiles = 0;
for (int curr_arg = 1; curr_arg < argc; curr_arg++) {
// Get pointer to argument, to make our lives easier
const char *arg = argv[curr_arg];
// If it's an option, parse it
if (scan_ok && arg[0] == '-') {
// Stop parsing options?
if (!strcmp(arg, "--"))
scan_ok = 0;
// Show help or version?
else if (!strcmp(arg, "-h") || !strcmp(arg, "--help"))
show_help = 1;
else if (!strcmp(arg, "-v") || !strcmp(arg, "--version"))
show_ver = 1;
// Unknown argument
else {
fprintf(stderr, "Error: unknown option \"%s\"\n", arg);
errcode = 1;
}
}
// Filename?
else if (filename == NULL)
filename = arg;
// Too many files specified?
else
err_manyfiles = 1;
}
// Look for error conditions
if (!show_help && !show_ver) {
if (filename == NULL) {
errcode = 1;
fprintf(stderr, "Error: batch filename missing\n");
} else if (err_manyfiles) {
errcode = 1;
fprintf(stderr, "Error: too many filenames specified\n");
}
}
// If there was an error then quit
if (errcode)
return EXIT_FAILURE;
// Show tool version?
if (show_ver) {
puts("0.8");
return EXIT_SUCCESS;
}
// Show tool usage?
if (show_help) {
printf("Usage:\n"
" %s <batchfile>\n"
"\n"
"Options:\n"
" -h or --help ...... Show this help\n"
" -v or --version ... Show tool version\n",
argv[0]);
return EXIT_SUCCESS;
}
// Parse batch file
errcode = process_batch(filename);
// If there was an error, show a message
if (errcode) {
// Determine message to show
const char *msg;
switch(errcode) {
case ERR_OPENBATCH: msg = "can't open batch file"; break;
case ERR_READBATCH: msg = "can't read from batch file"; break;
case ERR_NOMEMORY: msg = "ran out of memory"; break;
case ERR_PARSE: msg = "unable to process batch file"; break;
default: msg = "unknown error"; break;
}
// Show message on screen
fprintf(stderr, "Error: %s\n", msg);
}
// Quit program
reset_events();
return errcode ? EXIT_FAILURE : EXIT_SUCCESS;
}
bool handle_events( void )
{
SDL_Event _event;
reset_events();
//DebugPrintf("processing events\n");
while( SDL_PollEvent( &_event ) )
{
switch( _event.type )
{
// previously mouse wheel was a button code
// now it's an x/y axis since it supports mouse wheel balls
#if SDL_VERSION_ATLEAST(2,0,0)
case SDL_MOUSEWHEEL:
app_mouse_wheel( &_event );
break;
#endif
// this event name has changed
#if SDL_VERSION_ATLEAST(2,0,0)
// TODO - we should call something like app_window
// which then delegates to app_active in correct case
case SDL_WINDOWEVENT:
app_active( &_event );
break;
#else
case SDL_ACTIVEEVENT:
app_active( &_event.active );
break;
#endif
// these have been moved into the window event above
#if !SDL_VERSION_ATLEAST(2,0,0)
case SDL_VIDEORESIZE:
app_resize( &_event.resize );
break;
case SDL_VIDEOEXPOSE: // need redraw
render_flip(&render_info);
break;
#endif
// the newer sdl now uses a union instead of sub structures
#if SDL_VERSION_ATLEAST(2,0,0)
case SDL_KEYDOWN:
case SDL_KEYUP:
app_keyboard( &_event );
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
app_mouse_button( &_event );
break;
case SDL_MOUSEMOTION:
app_mouse_motion( &_event );
break;
case SDL_JOYAXISMOTION:
app_joy_axis( &_event );
break;
case SDL_JOYBALLMOTION:
app_joy_ball( &_event );
break;
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
app_joy_button( &_event );
break;
case SDL_JOYHATMOTION:
app_joy_hat( &_event );
break;
#else
case SDL_KEYDOWN:
case SDL_KEYUP:
app_keyboard( &_event.key );
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
app_mouse_button( &_event.button );
break;
case SDL_MOUSEMOTION:
app_mouse_motion( &_event.motion );
break;
case SDL_JOYAXISMOTION:
app_joy_axis( &_event.jaxis );
break;
case SDL_JOYBALLMOTION:
app_joy_ball( &_event.jball );
break;
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
app_joy_button( &_event.jbutton );
break;
case SDL_JOYHATMOTION:
app_joy_hat( &_event.jhat );
break;
#endif
case SDL_QUIT:
app_quit();
break;
// platform specific _event type
// must be enabled using SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE)
case SDL_SYSWMEVENT:
DebugPrintf("recived a platform specific _event type\n");
break;
// to avoid threading issues timers will add an event to the queue
// so that we can call the callbacks from the same thread
case SDL_USEREVENT:
{
void (*p) (void*) = _event.user.data1; // callback
p(_event.user.data2); // callback( data )
}
break;
// TODO
default:
printf("Unknown event type: %d\n",_event.type);
break;
}
}
//DebugPrintf("DONE processing events\n");
if ( quitting )
{
DebugPrintf("about to CleanUpAndPostQuit ( from WindowProc )\n");
quitting = false;
CleanUpAndPostQuit();
}
return true;
}