diff options
Diffstat (limited to 'third_party/git/parse-options.h')
| -rw-r--r-- | third_party/git/parse-options.h | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/third_party/git/parse-options.h b/third_party/git/parse-options.h deleted file mode 100644 index a4bd40bb6a..0000000000 --- a/third_party/git/parse-options.h +++ /dev/null @@ -1,334 +0,0 @@ -#ifndef PARSE_OPTIONS_H -#define PARSE_OPTIONS_H - -enum parse_opt_type { - /* special types */ - OPTION_END, - OPTION_ARGUMENT, - OPTION_GROUP, - OPTION_NUMBER, - OPTION_ALIAS, - /* options with no arguments */ - OPTION_BIT, - OPTION_NEGBIT, - OPTION_BITOP, - OPTION_COUNTUP, - OPTION_SET_INT, - OPTION_CMDMODE, - /* options with arguments (usually) */ - OPTION_STRING, - OPTION_INTEGER, - OPTION_MAGNITUDE, - OPTION_CALLBACK, - OPTION_LOWLEVEL_CALLBACK, - OPTION_FILENAME -}; - -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_ONE_SHOT = 32 -}; - -enum parse_opt_option_flags { - PARSE_OPT_OPTARG = 1, - PARSE_OPT_NOARG = 2, - PARSE_OPT_NONEG = 4, - PARSE_OPT_HIDDEN = 8, - PARSE_OPT_LASTARG_DEFAULT = 16, - PARSE_OPT_NODASH = 32, - PARSE_OPT_LITERAL_ARGHELP = 64, - PARSE_OPT_SHELL_EVAL = 256, - PARSE_OPT_NOCOMPLETE = 512, - PARSE_OPT_COMP_ARG = 1024 -}; - -struct option; -typedef int parse_opt_cb(const struct option *, const char *arg, int unset); - -struct parse_opt_ctx_t; -typedef enum parse_opt_result parse_opt_ll_cb(struct parse_opt_ctx_t *ctx, - const struct option *opt, - const char *arg, int unset); - -/* - * `type`:: - * holds the type of the option, you must have an OPTION_END last in your - * array. - * - * `short_name`:: - * the character to use as a short option name, '\0' if none. - * - * `long_name`:: - * the long option name, without the leading dashes, NULL if none. - * - * `value`:: - * stores pointers to the values to be filled. - * - * `argh`:: - * token to explain the kind of argument this option wants. Keep it - * 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 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. - * 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. - * PARSE_OPT_NOCOMPLETE: by default all visible options are completable - * by git-completion.bash. This option suppresses that. - * PARSE_OPT_COMP_ARG: this option forces to git-completion.bash to - * complete an option as --name= not --name even if - * the option takes optional argument. - * - * `callback`:: - * pointer to the callback to use for OPTION_CALLBACK - * - * `defval`:: - * default value to fill (*->value) with for PARSE_OPT_OPTARG. - * OPTION_{BIT,SET_INT} store the {mask,integer} to put in the value when met. - * CALLBACKS can use it like they want. - * - * `ll_callback`:: - * pointer to the callback to use for OPTION_LOWLEVEL_CALLBACK - * - */ -struct option { - enum parse_opt_type type; - int short_name; - const char *long_name; - void *value; - const char *argh; - const char *help; - - int flags; - parse_opt_cb *callback; - intptr_t defval; - parse_opt_ll_cb *ll_callback; - intptr_t extra; -}; - -#define OPT_BIT_F(s, l, v, h, b, f) { OPTION_BIT, (s), (l), (v), NULL, (h), \ - PARSE_OPT_NOARG|(f), NULL, (b) } -#define OPT_COUNTUP_F(s, l, v, h, f) { OPTION_COUNTUP, (s), (l), (v), NULL, \ - (h), PARSE_OPT_NOARG|(f) } -#define OPT_SET_INT_F(s, l, v, h, i, f) { OPTION_SET_INT, (s), (l), (v), NULL, \ - (h), PARSE_OPT_NOARG | (f), NULL, (i) } -#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, 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), \ - PARSE_OPT_NOARG|PARSE_OPT_NONEG, NULL, \ - (set), NULL, (clear) } -#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, \ - (h), PARSE_OPT_NOARG, NULL, (b) } -#define OPT_COUNTUP(s, l, v, h) OPT_COUNTUP_F(s, l, v, h, 0) -#define OPT_SET_INT(s, l, v, h, i) OPT_SET_INT_F(s, l, v, h, i, 0) -#define OPT_BOOL(s, l, v, h) OPT_BOOL_F(s, l, v, h, 0) -#define OPT_HIDDEN_BOOL(s, l, v, h) { OPTION_SET_INT, (s), (l), (v), NULL, \ - (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) 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) 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 } -#define OPT_UYN(s, l, v, h) { OPTION_CALLBACK, (s), (l), (v), NULL, \ - (h), PARSE_OPT_NOARG, &parse_opt_tertiary } -#define OPT_EXPIRY_DATE(s, l, v, h) \ - { OPTION_CALLBACK, (s), (l), (v), N_("expiry-date"),(h), 0, \ - parse_opt_expiry_date_cb } -#define OPT_CALLBACK(s, l, v, a, h, f) OPT_CALLBACK_F(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), \ - 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 } - -#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 - * skipped. - * - * usagestr strings should be marked for translation with N_(). - * - * Returns the number of arguments left in argv[]. - * - * In one-shot mode, argv0 is not a program name, argv[] is left - * untouched and parse_options() returns the number of options - * processed. - */ -int parse_options(int argc, const char **argv, const char *prefix, - const struct option *options, - const char * const usagestr[], int flags); - -NORETURN void usage_with_options(const char * const *usagestr, - const struct option *options); - -NORETURN void usage_msg_opt(const char *msg, - const char * const *usagestr, - const struct option *options); - -int optbug(const struct option *opt, const char *reason); -const char *optname(const struct option *opt, int flags); - -/* - * Use these assertions for callbacks that expect to be called with NONEG and - * NOARG respectively, and do not otherwise handle the "unset" and "arg" - * parameters. - */ -#define BUG_ON_OPT_NEG(unset) do { \ - if ((unset)) \ - BUG("option callback does not expect negation"); \ -} while (0) -#define BUG_ON_OPT_ARG(arg) do { \ - if ((arg)) \ - BUG("option callback does not expect an argument"); \ -} while (0) - -/* - * 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) - -/*----- incremental advanced APIs -----*/ - -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 -}; - -/* - * It's okay for the caller to consume argv/argc in the usual way. - * Other fields of that structure are private to parse-options and should not - * be modified in any way. - */ -struct parse_opt_ctx_t { - const char **argv; - const char **out; - int argc, cpidx, total; - 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, - int argc, const char **argv, const char *prefix, - const struct option *options, int flags); - -int parse_options_step(struct parse_opt_ctx_t *ctx, - const struct option *options, - const char * const usagestr[]); - -int parse_options_end(struct parse_opt_ctx_t *ctx); - -struct option *parse_options_dup(const struct option *a); -struct option *parse_options_concat(struct option *a, struct option *b); - -/*----- some often used options -----*/ -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); -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); - -#define OPT__VERBOSE(var, h) OPT_COUNTUP('v', "verbose", (var), (h)) -#define OPT__QUIET(var, h) OPT_COUNTUP('q', "quiet", (var), (h)) -#define OPT__VERBOSITY(var) \ - { OPTION_CALLBACK, 'v', "verbose", (var), NULL, N_("be more verbose"), \ - PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \ - { OPTION_CALLBACK, 'q', "quiet", (var), NULL, N_("be more quiet"), \ - PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 } -#define OPT__DRY_RUN(var, h) OPT_BOOL('n', "dry-run", (var), (h)) -#define OPT__FORCE(var, h, f) OPT_COUNTUP_F('f', "force", (var), (h), (f)) -#define OPT__ABBREV(var) \ - { 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), N_("style"), (h), PARSE_OPT_OPTARG, parseopt_column_callback } -#define OPT_PASSTHRU(s, l, v, a, h, f) \ - { OPTION_CALLBACK, (s), (l), (v), (a), (h), (f), parse_opt_passthru } -#define OPT_PASSTHRU_ARGV(s, l, v, a, h, f) \ - { OPTION_CALLBACK, (s), (l), (v), (a), (h), (f), parse_opt_passthru_argv } -#define _OPT_CONTAINS_OR_WITH(name, variable, help, flag) \ - { OPTION_CALLBACK, 0, name, (variable), N_("commit"), (help), \ - PARSE_OPT_LASTARG_DEFAULT | flag, \ - parse_opt_commits, (intptr_t) "HEAD" \ - } -#define OPT_CONTAINS(v, h) _OPT_CONTAINS_OR_WITH("contains", v, h, PARSE_OPT_NONEG) -#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 |