diff options
Diffstat (limited to 'parse-options.h')
| -rw-r--r-- | parse-options.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/parse-options.h b/parse-options.h index b54eec1..5653dba 100644 --- a/parse-options.h +++ b/parse-options.h @@ -6,8 +6,10 @@ enum parse_opt_type { OPTION_END, OPTION_ARGUMENT, OPTION_GROUP, + OPTION_NUMBER, /* options with no arguments */ OPTION_BIT, + OPTION_NEGBIT, OPTION_BOOLEAN, /* _INCR would have been a better name */ OPTION_SET_INT, OPTION_SET_PTR, @@ -15,6 +17,7 @@ enum parse_opt_type { OPTION_STRING, OPTION_INTEGER, OPTION_CALLBACK, + OPTION_FILENAME }; enum parse_opt_flags { @@ -31,6 +34,8 @@ enum parse_opt_option_flags { PARSE_OPT_NONEG = 4, PARSE_OPT_HIDDEN = 8, PARSE_OPT_LASTARG_DEFAULT = 16, + PARSE_OPT_NODASH = 32, + PARSE_OPT_LITERAL_ARGHELP = 64, }; struct option; @@ -64,8 +69,17 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs) * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs * PARSE_OPT_NONEG: says that this option cannot be negated - * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in - * the long one. + * PARSE_OPT_HIDDEN: this option is skipped in the default usage, and + * shown only in the full usage. + * PARSE_OPT_LASTARG_DEFAULT: says that this option will take the default + * value if no argument is given when the option + * is last on the command line. If the option is + * not last it will require an argument. + * Should not be used with PARSE_OPT_OPTARG. + * PARSE_OPT_NODASH: this option doesn't start with a dash. + * 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. * * `callback`:: * pointer to the callback to use for OPTION_CALLBACK. @@ -93,6 +107,7 @@ struct option { #define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, (h) } #define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) } #define OPT_BIT(s, l, v, h, b) { OPTION_BIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } +#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } #define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, (h) } #define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, (h), 0, NULL, (i) } #define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, (h), 0, NULL, (p) } @@ -103,12 +118,17 @@ struct option { parse_opt_approxidate_cb } #define OPT_CALLBACK(s, l, v, a, h, f) \ { OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) } +#define OPT_NUMBER_CALLBACK(v, h, f) \ + { 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) } /* parse_options() will filter out the processed options and leave the * non-option arguments in argv[]. * Returns the number of arguments left in argv[]. */ -extern int parse_options(int argc, const char **argv, +extern int parse_options(int argc, const char **argv, const char *prefix, const struct option *options, const char * const usagestr[], int flags); @@ -134,13 +154,15 @@ struct parse_opt_ctx_t { int argc, cpidx; const char *opt; int flags; + const char *prefix; }; extern int parse_options_usage(const char * const *usagestr, const struct option *opts); extern void parse_options_start(struct parse_opt_ctx_t *ctx, - int argc, const char **argv, int flags); + int argc, const char **argv, const char *prefix, + int flags); extern int parse_options_step(struct parse_opt_ctx_t *ctx, const struct option *options, @@ -168,6 +190,4 @@ extern int parse_opt_with_commit(const struct option *, const char *, int); "use <n> digits to display SHA-1s", \ PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 } -extern const char *parse_options_fix_filename(const char *prefix, const char *file); - #endif |