diff options
Diffstat (limited to 'parse-options.c')
| -rw-r--r-- | parse-options.c | 154 |
1 files changed, 84 insertions, 70 deletions
diff --git a/parse-options.c b/parse-options.c index e0c94b0..30b9e68 100644 --- a/parse-options.c +++ b/parse-options.c @@ -2,8 +2,6 @@ #include "parse-options.h" #include "abspath.h" #include "parse.h" -#include "commit.h" -#include "color.h" #include "gettext.h" #include "strbuf.h" #include "string-list.h" @@ -279,7 +277,8 @@ static enum parse_opt_result get_value(struct parse_opt_ctx_t *p, opt_name = optnamearg(opt, arg, flags); other_opt_name = optnamearg(elem->opt, elem->arg, elem->flags); - error(_("%s is incompatible with %s"), opt_name, other_opt_name); + error(_("options '%s' and '%s' cannot be used together"), + opt_name, other_opt_name); free(opt_name); free(other_opt_name); return -1; @@ -351,97 +350,107 @@ static int is_alias(struct parse_opt_ctx_t *ctx, return 0; } +struct parsed_option { + const struct option *option; + enum opt_parsed flags; +}; + +static void register_abbrev(struct parse_opt_ctx_t *p, + const struct option *option, enum opt_parsed flags, + struct parsed_option *abbrev, + struct parsed_option *ambiguous) +{ + if (p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT) + return; + if (abbrev->option && + !(abbrev->flags == flags && is_alias(p, abbrev->option, option))) { + /* + * If this is abbreviated, it is + * ambiguous. So when there is no + * exact match later, we need to + * error out. + */ + ambiguous->option = abbrev->option; + ambiguous->flags = abbrev->flags; + } + abbrev->option = option; + abbrev->flags = flags; +} + static enum parse_opt_result parse_long_opt( struct parse_opt_ctx_t *p, const char *arg, const struct option *options) { const char *arg_end = strchrnul(arg, '='); - const struct option *abbrev_option = NULL, *ambiguous_option = NULL; - enum opt_parsed abbrev_flags = OPT_LONG, ambiguous_flags = OPT_LONG; + const char *arg_start = arg; + enum opt_parsed flags = OPT_LONG; + int arg_starts_with_no_no = 0; + struct parsed_option abbrev = { .option = NULL, .flags = OPT_LONG }; + struct parsed_option ambiguous = { .option = NULL, .flags = OPT_LONG }; + + if (skip_prefix(arg_start, "no-", &arg_start)) { + if (skip_prefix(arg_start, "no-", &arg_start)) + arg_starts_with_no_no = 1; + else + flags |= OPT_UNSET; + } for (; options->type != OPTION_END; options++) { const char *rest, *long_name = options->long_name; - enum opt_parsed flags = OPT_LONG, opt_flags = OPT_LONG; + enum opt_parsed opt_flags = OPT_LONG; + int allow_unset = !(options->flags & PARSE_OPT_NONEG); if (options->type == OPTION_SUBCOMMAND) continue; if (!long_name) continue; -again: - if (!skip_prefix(arg, long_name, &rest)) - rest = NULL; - if (!rest) { - /* abbreviated? */ - if (!(p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT) && - !strncmp(long_name, arg, arg_end - arg)) { -is_abbreviated: - if (abbrev_option && - !is_alias(p, abbrev_option, options)) { - /* - * If this is abbreviated, it is - * ambiguous. So when there is no - * exact match later, we need to - * error out. - */ - ambiguous_option = abbrev_option; - ambiguous_flags = abbrev_flags; - } - if (!(flags & OPT_UNSET) && *arg_end) - p->opt = arg_end + 1; - abbrev_option = options; - abbrev_flags = flags ^ opt_flags; - continue; - } - /* negation allowed? */ - if (options->flags & PARSE_OPT_NONEG) - continue; - /* negated and abbreviated very much? */ - if (starts_with("no-", arg)) { - flags |= OPT_UNSET; - goto is_abbreviated; - } - /* negated? */ - if (!starts_with(arg, "no-")) { - if (skip_prefix(long_name, "no-", &long_name)) { - opt_flags |= OPT_UNSET; - goto again; - } - continue; - } - flags |= OPT_UNSET; - if (!skip_prefix(arg + 3, long_name, &rest)) { - /* abbreviated and negated? */ - if (starts_with(long_name, arg + 3)) - goto is_abbreviated; - else - continue; - } - } - if (*rest) { - if (*rest != '=') + if (skip_prefix(long_name, "no-", &long_name)) + opt_flags |= OPT_UNSET; + else if (arg_starts_with_no_no) + continue; + + if (((flags ^ opt_flags) & OPT_UNSET) && !allow_unset) + continue; + + if (skip_prefix(arg_start, long_name, &rest)) { + if (*rest == '=') + p->opt = rest + 1; + else if (*rest) continue; - p->opt = rest + 1; + return get_value(p, options, flags ^ opt_flags); } - return get_value(p, options, flags ^ opt_flags); + + /* abbreviated? */ + if (!strncmp(long_name, arg_start, arg_end - arg_start)) + register_abbrev(p, options, flags ^ opt_flags, + &abbrev, &ambiguous); + + /* negated and abbreviated very much? */ + if (allow_unset && starts_with("no-", arg)) + register_abbrev(p, options, OPT_UNSET ^ opt_flags, + &abbrev, &ambiguous); } - if (disallow_abbreviated_options && (ambiguous_option || abbrev_option)) + if (disallow_abbreviated_options && (ambiguous.option || abbrev.option)) die("disallowed abbreviated or ambiguous option '%.*s'", (int)(arg_end - arg), arg); - if (ambiguous_option) { + if (ambiguous.option) { error(_("ambiguous option: %s " "(could be --%s%s or --%s%s)"), arg, - (ambiguous_flags & OPT_UNSET) ? "no-" : "", - ambiguous_option->long_name, - (abbrev_flags & OPT_UNSET) ? "no-" : "", - abbrev_option->long_name); + (ambiguous.flags & OPT_UNSET) ? "no-" : "", + ambiguous.option->long_name, + (abbrev.flags & OPT_UNSET) ? "no-" : "", + abbrev.option->long_name); return PARSE_OPT_HELP; } - if (abbrev_option) - return get_value(p, abbrev_option, abbrev_flags); + if (abbrev.option) { + if (*arg_end) + p->opt = arg_end + 1; + return get_value(p, abbrev.option, abbrev.flags); + } return PARSE_OPT_UNKNOWN; } @@ -929,13 +938,18 @@ enum parse_opt_result parse_options_step(struct parse_opt_ctx_t *ctx, continue; } - if (!arg[2] /* "--" */ || - !strcmp(arg + 2, "end-of-options")) { + if (!arg[2] /* "--" */) { if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) { ctx->argc--; ctx->argv++; } break; + } else if (!strcmp(arg + 2, "end-of-options")) { + if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN_OPT)) { + ctx->argc--; + ctx->argv++; + } + break; } if (internal_help && !strcmp(arg + 2, "help-all")) |