Util: Support for optional arguments in ArgParser

src/util/argparser.cpp

@@ -191,21 +191,30 @@ bool ArgParser::parseLongOption(std::string_view option, std::string_view next)
 
 bool ArgParser::parseArgument(std::string_view argument)
 {
-	// No handler for argument
+	bool result = true;
+
+	for (;;) {
+		// Run out of argument handlers
 		if (m_argumentIndex >= m_arguments.size()) {
 			return false;
 		}
 
 		Argument& currentArgument = m_arguments.at(m_argumentIndex);
-	bool result = currentArgument.acceptValue(argument.data());
+		result = currentArgument.acceptValue(argument.data());
 
 		if (result) {
 			currentArgument.addedValues++;
-	}
-
 			if (currentArgument.addedValues >= currentArgument.maxValues) {
 				m_argumentIndex++;
 			}
+		}
+		else if (currentArgument.minValues == 0) {
+			m_argumentIndex++;
+			continue;
+		}
+
+		break;
+	}
 
 	return result;
 }