for (int i = 1; i < arg.length(); ++i) {
char flagName = arg.charAt(i);
if (valueFlags.contains(flagName)) {
if (this.valueFlags.containsKey(flagName)) {
throw new CommandException("Value flag '" + flagName + "' already given");
}
if (nextArg >= argList.size()) {
if (allowHangingFlag) {
suggestionContext = SuggestionContext.flag(flagName);
break;
} else {
throw new CommandException("No value specified for the '-" + flagName + "' flag.");
}
}
// If it is a value flag, read another argument and add it
this.valueFlags.put(flagName, argList.get(nextArg++));