diff options
Diffstat (limited to 'parse-options.h')
| -rw-r--r-- | parse-options.h | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/parse-options.h b/parse-options.h index 9a90c332a5..38a33a087e 100644 --- a/parse-options.h +++ b/parse-options.h @@ -7,6 +7,7 @@ enum parse_opt_type { OPTION_ARGUMENT, OPTION_GROUP, OPTION_NUMBER, + OPTION_ALIAS, /* options with no arguments */ OPTION_BIT, OPTION_NEGBIT, @@ -45,6 +46,15 @@ enum parse_opt_option_flags { PARSE_OPT_COMP_ARG = 1024 }; +enum parse_opt_result { + PARSE_OPT_COMPLETE = -3, + PARSE_OPT_HELP = -2, + PARSE_OPT_ERROR = -1, /* must be the same as error() */ + PARSE_OPT_DONE = 0, /* fixed so that "return 0" works */ + PARSE_OPT_NON_OPTION, + PARSE_OPT_UNKNOWN +}; + struct option; typedef int parse_opt_cb(const struct option *, const char *arg, int unset); @@ -136,10 +146,12 @@ struct option { #define OPT_BOOL_F(s, l, v, h, f) OPT_SET_INT_F(s, l, v, h, 1, f) #define OPT_CALLBACK_F(s, l, v, a, h, f, cb) \ { OPTION_CALLBACK, (s), (l), (v), (a), (h), (f), (cb) } +#define OPT_STRING_F(s, l, v, a, h, f) { OPTION_STRING, (s), (l), (v), (a), (h), (f) } +#define OPT_INTEGER_F(s, l, v, h, f) { OPTION_INTEGER, (s), (l), (v), N_("n"), (h), (f) } #define OPT_END() { OPTION_END } -#define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, \ - (h), PARSE_OPT_NOARG} +#define OPT_ARGUMENT(l, v, h) { OPTION_ARGUMENT, 0, (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, NULL, 1 } #define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) } #define OPT_BIT(s, l, v, h, b) OPT_BIT_F(s, l, v, h, b, 0) #define OPT_BITOP(s, l, v, h, set, clear) { OPTION_BITOP, (s), (l), (v), NULL, (h), \ @@ -154,10 +166,10 @@ struct option { (h), PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1} #define OPT_CMDMODE(s, l, v, h, i) { OPTION_CMDMODE, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG|PARSE_OPT_NONEG, NULL, (i) } -#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), N_("n"), (h) } +#define OPT_INTEGER(s, l, v, h) OPT_INTEGER_F(s, l, v, h, 0) #define OPT_MAGNITUDE(s, l, v, h) { OPTION_MAGNITUDE, (s), (l), (v), \ N_("n"), (h), PARSE_OPT_NONEG } -#define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) } +#define OPT_STRING(s, l, v, a, h) OPT_STRING_F(s, l, v, a, h, 0) #define OPT_STRING_LIST(s, l, v, a, h) \ { OPTION_CALLBACK, (s), (l), (v), (a), \ (h), 0, &parse_opt_string_list } @@ -181,6 +193,9 @@ struct option { N_("no-op (backward compatibility)"), \ PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, parse_opt_noop_cb } +#define OPT_ALIAS(s, l, source_long_name) \ + { OPTION_ALIAS, (s), (l), (source_long_name) } + /* * parse_options() will filter out the processed options and leave the * non-option arguments in argv[]. argv0 is assumed program name and @@ -222,16 +237,18 @@ const char *optname(const struct option *opt, int flags); BUG("option callback does not expect an argument"); \ } while (0) -/*----- incremental advanced APIs -----*/ +/* + * Similar to the assertions above, but checks that "arg" is always non-NULL. + * This assertion also implies BUG_ON_OPT_NEG(), letting you declare both + * assertions in a single line. + */ +#define BUG_ON_OPT_NEG_NOARG(unset, arg) do { \ + BUG_ON_OPT_NEG(unset); \ + if(!(arg)) \ + BUG("option callback expects an argument"); \ +} while(0) -enum parse_opt_result { - PARSE_OPT_COMPLETE = -3, - PARSE_OPT_HELP = -2, - PARSE_OPT_ERROR = -1, /* must be the same as error() */ - PARSE_OPT_DONE = 0, /* fixed so that "return 0" works */ - PARSE_OPT_NON_OPTION, - PARSE_OPT_UNKNOWN -}; +/*----- incremental advanced APIs -----*/ /* * It's okay for the caller to consume argv/argc in the usual way. @@ -245,6 +262,8 @@ struct parse_opt_ctx_t { const char *opt; int flags; const char *prefix; + const char **alias_groups; /* must be in groups of 3 elements! */ + struct option *updated_options; }; void parse_options_start(struct parse_opt_ctx_t *ctx, @@ -265,12 +284,18 @@ int parse_opt_abbrev_cb(const struct option *, const char *, int); int parse_opt_expiry_date_cb(const struct option *, const char *, int); int parse_opt_color_flag_cb(const struct option *, const char *, int); int parse_opt_verbosity_cb(const struct option *, const char *, int); +/* value is struct oid_array* */ int parse_opt_object_name(const struct option *, const char *, int); +/* value is struct object_id* */ +int parse_opt_object_id(const struct option *, const char *, int); int parse_opt_commits(const struct option *, const char *, int); +int parse_opt_commit(const struct option *, const char *, int); int parse_opt_tertiary(const struct option *, const char *, int); int parse_opt_string_list(const struct option *, const char *, int); int parse_opt_noop_cb(const struct option *, const char *, int); -int parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx, const struct option *, const char *, int); +enum parse_opt_result parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx, + const struct option *, + const char *, int); int parse_opt_passthru(const struct option *, const char *, int); int parse_opt_passthru_argv(const struct option *, const char *, int); @@ -304,5 +329,6 @@ int parse_opt_passthru_argv(const struct option *, const char *, int); #define OPT_NO_CONTAINS(v, h) _OPT_CONTAINS_OR_WITH("no-contains", v, h, PARSE_OPT_NONEG) #define OPT_WITH(v, h) _OPT_CONTAINS_OR_WITH("with", v, h, PARSE_OPT_HIDDEN | PARSE_OPT_NONEG) #define OPT_WITHOUT(v, h) _OPT_CONTAINS_OR_WITH("without", v, h, PARSE_OPT_HIDDEN | PARSE_OPT_NONEG) +#define OPT_CLEANUP(v) OPT_STRING(0, "cleanup", v, N_("mode"), N_("how to strip spaces and #comments from message")) #endif |