Pierre Habouzit <madcoder@xxxxxxxxxx> writes:
> With that, you write parsers this way:
>
> {
> struct parse_opt_ctx_t ctx;
>
> parse_options_start(&ctx, argc, argv, 0);
>
> for (;;) {
> const char *arg;
>
> switch (parse_options_step(&ctx, options, usagestr)) {
> case PARSE_OPT_HELP:
> /* dump your help here, the one for options/usagestr is already dumped */
> exit(129);
> case PARSE_OPT_DONE:
> goto done;
> }
>
> arg = *ctx->argv++;
> ctx->argc--;
>
> if (strcmp(arg, "-")) {
> /* you're on baby ! */
> } else if ....
> } else {
> error("unknown option %s", arg);
> parse_options_usage(options, usagestr);
> /* dump your help here */
> exit(129);
> }
> }
>
> done:
> argc = parse_options_end(&ctx);
> }
Nice. I have started doing the same (insignificant details are different;
e.g. I used "positive is unknown" convention instead ) and then the
solution is sitting in my mbox ;-)
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