Minor refactor

src/util/command_line.cpp

@@ -4,42 +4,36 @@
 
 namespace fs = std::filesystem;
 
-using std::filesystem::path;
-using std::string;
-using std::cout;
-using std::cerr;
-using std::endl;
-
 bool parse_cmdline(int argc, char** argv, EnginePaths& paths) {
 	ArgsReader reader(argc, argv);
 	reader.skip();
 	while (reader.hasNext()) {
-		string token = reader.next();
+		std::string token = reader.next();
 		if (reader.isKeywordArg()) {
 			if (token == "--res") {
 				token = reader.next();
-				if (!fs::is_directory(path(token))) {
+				if (!fs::is_directory(fs::path(token))) {
 					throw std::runtime_error(token+" is not a directory");
 				}
-				paths.setResources(path(token));
-				cout << "resources folder: " << token << std::endl;
+				paths.setResources(fs::path(token));
+				std::cout << "resources folder: " << token << std::endl;
 			} else if (token == "--dir") {
 				token = reader.next();
-				if (!fs::is_directory(path(token))) {
-					fs::create_directories(path(token));
+				if (!fs::is_directory(fs::path(token))) {
+					fs::create_directories(fs::path(token));
 				}
-				paths.setUserfiles(path(token));
-				cout << "userfiles folder: " << token << endl;
+				paths.setUserfiles(fs::path(token));
+				std::cout << "userfiles folder: " << token << std::endl;
 			} else if (token == "--help" || token == "-h") {
-				cout << "VoxelEngine command-line arguments:" << endl;
-				cout << " --res [path] - set resources directory" << endl;
-				cout << " --dir [path] - set userfiles directory" << endl;
+				std::cout << "VoxelEngine command-line arguments:" << std::endl;
+				std::cout << " --res [path] - set resources directory" << std::endl;
+				std::cout << " --dir [path] - set userfiles directory" << std::endl;
 				return false;
 			} else {
-				cerr << "unknown argument " << token << endl;
+				std::cerr << "unknown argument " << token << std::endl;
 			}
 		} else {
-			cerr << "unexpected token" << endl;
+			std::cerr << "unexpected token" << std::endl;
 		}
 	}
 	return true;