Parse args

options_headeronly.h

@@ -85,6 +85,28 @@ namespace OptionLib {
 				}
 			}
 		}
+		
+		void parse(const int argc, const char ** argv) {
+			std::unordered_map<std::string, std::string> kv;
+
+			std::string key, value, line;
+
+			for(int i = 0; i < argc; i++) {
+				line = std::string(argv[i]);
+				if (line.size() < 1 || line[0] == '#') continue; // skip comment lines TODO make better
+				auto pos = line.find('=');
+				if (pos == std::string::npos) continue; // skip invalid lines
+				std::string key = line.substr(0, pos);
+				std::string value = line.substr(pos + 1);
+				kv[key] = value;
+			}
+
+			for (auto* opt : getOptions()) {
+				if (kv.count(opt->key)) {
+					opt->setFromString(kv[opt->key]);
+				}
+			}
+		}
 
 	};