Expected<ParsedCommand> OptionParser::parseCommand(int argc, const char * const *argv)
{
Expected<void> result = parseOptions(argc, argv);
if (!result.isOk())
return result;
return getCommand();
}
int main(int argc, char *argv[])
{
OptionParser parser;
Expected<ParsedCommand> parsed = parser.parseCommand(argc, argv);
if (!parsed.isOk())
{
Logger::error(parsed.getMessage());
printUsage(parser);
return parsed.getCode();
}
ParsedCommand command = parsed.get();
Logger::init(command.isVerbose());
if (command.isUsageIssued())
{
printUsage(parser);
return 0;
}
Expected<Visitor> vRes = Visitor::create(command);
if (!vRes.isOk())
{
Logger::error(vRes.getMessage());
printUsage(parser);
return vRes.getCode();
}
Visitor &v = vRes.get();
boost::mpl::for_each<desc_type>(boost::ref(v));
Expected<void> result = v.getResult();
if (!result.isOk())
{
Logger::error(result.getMessage());
return result.getCode();
}
return 0;
}
