diff options
Diffstat (limited to 'parse-options.h')
-rw-r--r-- | parse-options.h | 82 |
1 files changed, 59 insertions, 23 deletions
diff --git a/parse-options.h b/parse-options.h index 0c996916b6..77a4a8b2e6 100644 --- a/parse-options.h +++ b/parse-options.h @@ -10,22 +10,26 @@ enum parse_opt_type { /* options with no arguments */ OPTION_BIT, OPTION_NEGBIT, - OPTION_BOOLEAN, /* _INCR would have been a better name */ + OPTION_COUNTUP, OPTION_SET_INT, OPTION_SET_PTR, /* options with arguments (usually) */ OPTION_STRING, OPTION_INTEGER, OPTION_CALLBACK, + OPTION_LOWLEVEL_CALLBACK, OPTION_FILENAME }; +/* Deprecated synonym */ +#define OPTION_BOOLEAN OPTION_COUNTUP + enum parse_opt_flags { PARSE_OPT_KEEP_DASHDASH = 1, PARSE_OPT_STOP_AT_NON_OPTION = 2, PARSE_OPT_KEEP_ARGV0 = 4, PARSE_OPT_KEEP_UNKNOWN = 8, - PARSE_OPT_NO_INTERNAL_HELP = 16, + PARSE_OPT_NO_INTERNAL_HELP = 16 }; enum parse_opt_option_flags { @@ -36,12 +40,16 @@ enum parse_opt_option_flags { PARSE_OPT_LASTARG_DEFAULT = 16, PARSE_OPT_NODASH = 32, PARSE_OPT_LITERAL_ARGHELP = 64, - PARSE_OPT_NEGHELP = 128, + PARSE_OPT_SHELL_EVAL = 256 }; struct option; typedef int parse_opt_cb(const struct option *, const char *arg, int unset); +struct parse_opt_ctx_t; +typedef int parse_opt_ll_cb(struct parse_opt_ctx_t *ctx, + const struct option *opt, int unset); + /* * `type`:: * holds the type of the option, you must have an OPTION_END last in your @@ -58,17 +66,19 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * * `argh`:: * token to explain the kind of argument this option wants. Keep it - * homogeneous across the repository. + * homogeneous across the repository. Should be wrapped by N_() for + * translation. * * `help`:: * the short help associated to what the option does. * Must never be NULL (except for OPTION_END). * OPTION_GROUP uses this pointer to store the group header. + * Should be wrapped by N_() for translation. * * `flags`:: * mask of parse_opt_option_flags. * PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs) - * PARSE_OPT_NOARG: says that this option takes no argument + * PARSE_OPT_NOARG: says that this option does not take an argument * PARSE_OPT_NONEG: says that this option cannot be negated * PARSE_OPT_HIDDEN: this option is skipped in the default usage, and * shown only in the full usage. @@ -81,12 +91,10 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets * (i.e. '<argh>') in the help message. * Useful for options with multiple parameters. - * PARSE_OPT_NEGHELP: says that the long option should always be shown with - * the --no prefix in the usage message. Sometimes - * useful for users of OPTION_NEGBIT. * * `callback`:: - * pointer to the callback to use for OPTION_CALLBACK. + * pointer to the callback to use for OPTION_CALLBACK or + * OPTION_LOWLEVEL_CALLBACK. * * `defval`:: * default value to fill (*->value) with for PARSE_OPT_OPTARG. @@ -115,18 +123,22 @@ struct option { PARSE_OPT_NOARG, NULL, (b) } #define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG, NULL, (b) } -#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, \ +#define OPT_COUNTUP(s, l, v, h) { OPTION_COUNTUP, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG } #define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG, NULL, (i) } +#define OPT_BOOL(s, l, v, h) OPT_SET_INT(s, l, v, h, 1) #define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG, NULL, (p) } -#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), "n", (h) } +#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), N_("n"), (h) } #define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) } +#define OPT_STRING_LIST(s, l, v, a, h) \ + { OPTION_CALLBACK, (s), (l), (v), (a), \ + (h), 0, &parse_opt_string_list } #define OPT_UYN(s, l, v, h) { OPTION_CALLBACK, (s), (l), (v), NULL, \ (h), PARSE_OPT_NOARG, &parse_opt_tertiary } #define OPT_DATE(s, l, v, h) \ - { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \ + { OPTION_CALLBACK, (s), (l), (v), N_("time"),(h), 0, \ parse_opt_approxidate_cb } #define OPT_CALLBACK(s, l, v, a, h, f) \ { OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) } @@ -134,10 +146,22 @@ struct option { { OPTION_NUMBER, 0, NULL, (v), NULL, (h), \ PARSE_OPT_NOARG | PARSE_OPT_NONEG, (f) } #define OPT_FILENAME(s, l, v, h) { OPTION_FILENAME, (s), (l), (v), \ - "FILE", (h) } + N_("file"), (h) } +#define OPT_COLOR_FLAG(s, l, v, h) \ + { OPTION_CALLBACK, (s), (l), (v), N_("when"), (h), PARSE_OPT_OPTARG, \ + parse_opt_color_flag_cb, (intptr_t)"always" } + +#define OPT_NOOP_NOARG(s, l) \ + { OPTION_CALLBACK, (s), (l), NULL, NULL, \ + N_("no-op (backward compatibility)"), \ + PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, parse_opt_noop_cb } + +/* Deprecated synonym */ +#define OPT_BOOLEAN OPT_COUNTUP /* parse_options() will filter out the processed options and leave the - * non-option arguments in argv[]. + * non-option arguments in argv[]. usagestr strings should be marked + * for translation with N_(). * Returns the number of arguments left in argv[]. */ extern int parse_options(int argc, const char **argv, const char *prefix, @@ -151,12 +175,15 @@ extern NORETURN void usage_msg_opt(const char *msg, const char * const *usagestr, const struct option *options); +extern int optbug(const struct option *opt, const char *reason); +extern int opterror(const struct option *opt, const char *reason, int flags); /*----- incremental advanced APIs -----*/ enum { PARSE_OPT_HELP = -1, PARSE_OPT_DONE, - PARSE_OPT_UNKNOWN, + PARSE_OPT_NON_OPTION, + PARSE_OPT_UNKNOWN }; /* @@ -175,7 +202,7 @@ struct parse_opt_ctx_t { extern void parse_options_start(struct parse_opt_ctx_t *ctx, int argc, const char **argv, const char *prefix, - int flags); + const struct option *options, int flags); extern int parse_options_step(struct parse_opt_ctx_t *ctx, const struct option *options, @@ -183,25 +210,34 @@ extern int parse_options_step(struct parse_opt_ctx_t *ctx, extern int parse_options_end(struct parse_opt_ctx_t *ctx); +extern int parse_options_concat(struct option *dst, size_t, struct option *src); /*----- some often used options -----*/ extern int parse_opt_abbrev_cb(const struct option *, const char *, int); extern int parse_opt_approxidate_cb(const struct option *, const char *, int); +extern int parse_opt_color_flag_cb(const struct option *, const char *, int); extern int parse_opt_verbosity_cb(const struct option *, const char *, int); extern int parse_opt_with_commit(const struct option *, const char *, int); extern int parse_opt_tertiary(const struct option *, const char *, int); +extern int parse_opt_string_list(const struct option *, const char *, int); +extern int parse_opt_noop_cb(const struct option *, const char *, int); -#define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose") -#define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet") +#define OPT__VERBOSE(var, h) OPT_BOOLEAN('v', "verbose", (var), (h)) +#define OPT__QUIET(var, h) OPT_BOOLEAN('q', "quiet", (var), (h)) #define OPT__VERBOSITY(var) \ - { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \ + { OPTION_CALLBACK, 'v', "verbose", (var), NULL, N_("be more verbose"), \ PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \ - { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \ + { OPTION_CALLBACK, 'q', "quiet", (var), NULL, N_("be more quiet"), \ PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 } -#define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run") +#define OPT__DRY_RUN(var, h) OPT_BOOLEAN('n', "dry-run", (var), (h)) +#define OPT__FORCE(var, h) OPT_BOOLEAN('f', "force", (var), (h)) #define OPT__ABBREV(var) \ - { OPTION_CALLBACK, 0, "abbrev", (var), "n", \ - "use <n> digits to display SHA-1s", \ + { OPTION_CALLBACK, 0, "abbrev", (var), N_("n"), \ + N_("use <n> digits to display SHA-1s"), \ PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 } +#define OPT__COLOR(var, h) \ + OPT_COLOR_FLAG(0, "color", (var), (h)) +#define OPT_COLUMN(s, l, v, h) \ + { OPTION_CALLBACK, (s), (l), (v), "style", (h), PARSE_OPT_OPTARG, parseopt_column_callback } #endif |