Add command line options

This commit is contained in:
PixlOne 2019-08-08 22:13:50 -04:00
parent e36750f8cd
commit c2b5fceaf5
3 changed files with 101 additions and 2 deletions

View File

@ -18,15 +18,100 @@
#define evdev_name "logid"
LogLevel global_verbosity = DEBUG;
LogLevel global_verbosity = INFO;
Configuration* global_config;
EvdevDevice* global_evdev;
DeviceFinder* finder;
enum class Option
{
None,
Verbose,
Config,
Help
};
int main(int argc, char** argv)
{
char* config_file = "/etc/logid.cfg";
for(int i = 1; i < argc; i++)
{
Option option = Option::None;
if(argv[i][0] == '-') // Option
{
switch(argv[i][1])
{
case '-': // Full option name
{
std::string op_str = argv[i];
if (op_str == "--verbose") option = Option::Verbose;
if (op_str == "--config") option = Option::Config;
if (op_str == "--help") option = Option::Help;
break;
}
case 'v': // Verbosity
option = Option::Verbose;
break;
case 'c': // Config file path
option = Option::Config;
break;
case 'h': // Help
option = Option::Help;
break;
default:
log_printf(WARN, "%s is not a valid option, ignoring.", argv[1]);
}
switch(option)
{
case Option::Verbose:
{
if (++i >= argc)
{
global_verbosity = DEBUG; // Assume debug verbosity
break;
}
std::string loglevel = argv[i];
try { global_verbosity = string_to_loglevel(argv[i]); }
catch (std::invalid_argument &e)
{
if (argv[i][0] == '-')
global_verbosity = DEBUG; // Assume debug verbosity
else
{
log_printf(WARN, e.what());
printf("Valid verbosity levels are: Debug, Info, Warn/Warning, or Error.\n");
return EXIT_FAILURE;
}
}
break;
}
case Option::Config:
{
if (++i >= argc)
{
log_printf(ERROR, "Config file is not specified.");
return EXIT_FAILURE;
}
config_file = argv[i];
break;
}
case Option::Help:
printf(R"(Usage: %s [options]
Possible options are:
-v,--verbose [level] Set log level to debug/info/warn/error (leave blank for debug)
-c,--config [file path] Change config file from default at %s
-h,--help Print this message.
)", argv[0], config_file);
return EXIT_SUCCESS;
case Option::None:
break;
}
}
}
// Read config
try { global_config = new Configuration("logid.cfg"); }
try { global_config = new Configuration(config_file); }
catch (std::exception &e) { return EXIT_FAILURE; }
//Create an evdev device called 'logid'

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@ -107,4 +107,17 @@ Action string_to_action(std::string s)
if(s == "changedpi") return Action::ChangeDPI;
throw std::invalid_argument(original_str + " is an invalid action.");
}
LogLevel string_to_loglevel(std::string s)
{
std::string original_str = s;
std::transform(s.begin(), s.end(), s.begin(), ::tolower);
if(s == "debug") return DEBUG;
if(s == "info") return INFO;
if(s == "warn" || s == "warning") return WARN;
if(s == "error") return ERROR;
throw std::invalid_argument(original_str + " is an invalid log level.");
}

View File

@ -21,5 +21,6 @@ Direction get_direction(int x, int y);
Direction string_to_direction(std::string s);
GestureMode string_to_gesturemode(std::string s);
Action string_to_action(std::string s);
LogLevel string_to_loglevel(std::string s);
#endif //UTIL_H