/**
* Parse a command
*
* @return the next index to process. i.e., if calling this method processes two commands, then
* the return value should be index+2
*/
protected int parseCommand(String args[], int index, Set<String> source)
throws UsageError, Main.TerminationException {
// Find a flag whose id matches args[index] and let it process the
// arguments.
for (OptFlag<?> flag : flags) {
if (flag.ids.contains(args[index])) {
Arg<?> arg = flag.handle(args, index + 1);
arguments.add(arg);
return arg.next();
}
}
if (!args[index].startsWith("-")) {
index = parseSourceArg(args, index);
}
return index;
}
protected int parseSourceArg(String[] args, int index) {
Arg<String> src = new Arg<>(index + 1, args[index]);
arguments.add(src);
return src.next();
}