[PATCH] cli: command line option parser cleanup
Tomi Ollila
tomi.ollila at iki.fi
Tue Feb 25 11:24:58 PST 2014
On Mon, Feb 24 2014, Jani Nikula <jani at nikula.org> wrote:
> Reduce the indentation for clarity. No functional changes.
>
> ---
LGTM. I like the style.
Tomi
>
> I've had this around for a while now, in preparation for something
> else that was never needed...
> ---
> command-line-arguments.c | 69 ++++++++++++++++++++++++------------------------
> 1 file changed, 35 insertions(+), 34 deletions(-)
>
> diff --git a/command-line-arguments.c b/command-line-arguments.c
> index bf9aecabe869..844d6c3d18bf 100644
> --- a/command-line-arguments.c
> +++ b/command-line-arguments.c
> @@ -129,40 +129,41 @@ parse_option (const char *arg,
>
> const notmuch_opt_desc_t *try;
> for (try = options; try->opt_type != NOTMUCH_OPT_END; try++) {
> - if (try->name && strncmp (arg, try->name, strlen (try->name)) == 0) {
> - char next = arg[strlen (try->name)];
> - const char *value= arg+strlen(try->name)+1;
> -
> - /* If we have not reached the end of the argument
> - (i.e. the next character is not a space or delimiter)
> - then the argument could still match a longer option
> - name later in the option table.
> - */
> - if (next != '=' && next != ':' && next != '\0')
> - continue;
> -
> - if (try->output_var == NULL)
> - INTERNAL_ERROR ("output pointer NULL for option %s", try->name);
> -
> - switch (try->opt_type) {
> - case NOTMUCH_OPT_KEYWORD:
> - return _process_keyword_arg (try, next, value);
> - break;
> - case NOTMUCH_OPT_BOOLEAN:
> - return _process_boolean_arg (try, next, value);
> - break;
> - case NOTMUCH_OPT_INT:
> - return _process_int_arg (try, next, value);
> - break;
> - case NOTMUCH_OPT_STRING:
> - return _process_string_arg (try, next, value);
> - break;
> - case NOTMUCH_OPT_POSITION:
> - case NOTMUCH_OPT_END:
> - default:
> - INTERNAL_ERROR ("unknown or unhandled option type %d", try->opt_type);
> - /*UNREACHED*/
> - }
> + if (! try->name)
> + continue;
> +
> + if (strncmp (arg, try->name, strlen (try->name)) != 0)
> + continue;
> +
> + char next = arg[strlen (try->name)];
> + const char *value = arg + strlen(try->name) + 1;
> +
> + /*
> + * If we have not reached the end of the argument (i.e. the
> + * next character is not a space or delimiter) then the
> + * argument could still match a longer option name later in
> + * the option table.
> + */
> + if (next != '=' && next != ':' && next != '\0')
> + continue;
> +
> + if (try->output_var == NULL)
> + INTERNAL_ERROR ("output pointer NULL for option %s", try->name);
> +
> + switch (try->opt_type) {
> + case NOTMUCH_OPT_KEYWORD:
> + return _process_keyword_arg (try, next, value);
> + case NOTMUCH_OPT_BOOLEAN:
> + return _process_boolean_arg (try, next, value);
> + case NOTMUCH_OPT_INT:
> + return _process_int_arg (try, next, value);
> + case NOTMUCH_OPT_STRING:
> + return _process_string_arg (try, next, value);
> + case NOTMUCH_OPT_POSITION:
> + case NOTMUCH_OPT_END:
> + default:
> + INTERNAL_ERROR ("unknown or unhandled option type %d", try->opt_type);
> + /*UNREACHED*/
> }
> }
> fprintf (stderr, "Unrecognized option: --%s\n", arg);
> --
> 1.8.5.3
>
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