C++ OPT_BOOLEAN函数代码示例

int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit **rev;
	int rev_nr = 0;
	int show_all = 0;
	int octopus = 0;
	int reduce = 0;

	struct option options[] = {
		OPT_BOOLEAN('a', "all", &show_all, "output all common ancestors"),
		OPT_BOOLEAN(0, "octopus", &octopus, "find ancestors for a single n-way merge"),
		OPT_BOOLEAN(0, "independent", &reduce, "list revs not reachable from others"),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);
	if (!octopus && !reduce && argc < 2)
		usage_with_options(merge_base_usage, options);
	if (reduce && (show_all || octopus))
		die("--independent cannot be used with other options");

	if (octopus || reduce)
		return handle_octopus(argc, argv, reduce, show_all);

	rev = xmalloc(argc * sizeof(*rev));
	while (argc-- > 0)
		rev[rev_nr++] = get_commit_reference(*argv++);
	return show_merge_base(rev, rev_nr, show_all);
}

int cmd_shortlog(int argc, const char **argv, const char *prefix)
{
	static struct shortlog log;
	static struct rev_info rev;
	int nongit = !startup_info->have_repository;

	static const struct option options[] = {
		OPT_BOOLEAN('n', "numbered", &log.sort_by_number,
			    "sort output according to the number of commits per author"),
		OPT_BOOLEAN('s', "summary", &log.summary,
			    "Suppress commit descriptions, only provides commit count"),
		OPT_BOOLEAN('e', "email", &log.email,
			    "Show the email address of each author"),
		{ OPTION_CALLBACK, 'w', NULL, &log, "w[,i1[,i2]]",
			"Linewrap output", PARSE_OPT_OPTARG, &parse_wrap_args },
		OPT_END(),
	};

	struct parse_opt_ctx_t ctx;

	git_config(git_default_config, NULL);
	shortlog_init(&log);
	init_revisions(&rev, prefix);
	parse_options_start(&ctx, argc, argv, prefix, options,
			    PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);

	for (;;) {
		switch (parse_options_step(&ctx, options, shortlog_usage)) {
		case PARSE_OPT_HELP:
			exit(129);
		case PARSE_OPT_DONE:
			goto parse_done;
		}
		parse_revision_opt(&rev, &ctx, options, shortlog_usage);
	}
parse_done:
	argc = parse_options_end(&ctx);

	if (setup_revisions(argc, argv, &rev, NULL) != 1) {
		error(_("unrecognized argument: %s"), argv[1]);
		usage_with_options(shortlog_usage, options);
	}

	log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT;
	log.abbrev = rev.abbrev;

	/* assume HEAD if from a tty */
	if (!nongit && !rev.pending.nr && isatty(0))
		add_head_to_pending(&rev);
	if (rev.pending.nr == 0) {
		if (isatty(0))
			fprintf(stderr, _("(reading log message from standard input)\n"));
		read_from_stdin(&log);
	}
	else
		get_from_rev(&rev, &log);

	shortlog_output(&log);
	return 0;
}

static void parse_args(int argc, const char **argv)
{
	const char * const * usage_str =
		action == REVERT ?  revert_usage : cherry_pick_usage;
	unsigned char sha1[20];
	const char *arg;
	int noop;
	struct option options[] = {
		OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
		OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"),
		OPT_BOOLEAN('x', NULL, &no_replay, "append commit name when cherry-picking"),
		OPT_BOOLEAN('r', NULL, &noop, "no-op (backward compatibility)"),
		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
		OPT_INTEGER('m', "mainline", &mainline, "parent number"),
		OPT_END(),
	};

	if (parse_options(argc, argv, options, usage_str, 0) != 1)
		usage_with_options(usage_str, options);
	arg = argv[0];

	if (get_sha1(arg, sha1))
		die ("Cannot find '%s'", arg);
	commit = (struct commit *)parse_object(sha1);
	if (!commit)
		die ("Could not find %s", sha1_to_hex(sha1));
	if (commit->object.type == OBJ_TAG) {
		commit = (struct commit *)
			deref_tag((struct object *)commit, arg, strlen(arg));
	}
	if (commit->object.type != OBJ_COMMIT)
		die ("'%s' does not point to a commit", arg);
}

static int prune(int argc, const char **argv, const char *prefix)
{
	struct notes_tree *t;
	int show_only = 0, verbose = 0;
	struct option options[] = {
		OPT_BOOLEAN('n', "dry-run", &show_only,
			    "do not remove, show only"),
		OPT_BOOLEAN('v', "verbose", &verbose, "report pruned notes"),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, git_notes_prune_usage,
			     0);

	if (argc) {
		error("too many parameters");
		usage_with_options(git_notes_prune_usage, options);
	}

	t = init_notes_check("prune");

	prune_notes(t, (verbose ? NOTES_PRUNE_VERBOSE : 0) |
		(show_only ? NOTES_PRUNE_VERBOSE|NOTES_PRUNE_DRYRUN : 0) );
	if (!show_only)
		commit_notes(t, "Notes removed by 'git notes prune'");
	free_notes(t);
	return 0;
}

int cmd_push(int argc, const char **argv, const char *prefix)
{
	int flags = 0;
	int tags = 0;
	int rc;
	const char *repo = NULL;	/* default repository */
	struct option options[] = {
		OPT__VERBOSITY(&verbosity),
		OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
		OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
		OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
		OPT_BOOLEAN( 0, "delete", &deleterefs, N_("delete refs")),
		OPT_BOOLEAN( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
		OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
		OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
		OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
			N_("control recursive pushing of submodules"),
			PARSE_OPT_OPTARG, option_parse_recurse_submodules },
		OPT_BOOLEAN( 0 , "thin", &thin, N_("use thin pack")),
		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
			TRANSPORT_PUSH_SET_UPSTREAM),
		OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
		OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
			TRANSPORT_PUSH_PRUNE),
		OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
		OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
			TRANSPORT_PUSH_FOLLOW_TAGS),
		OPT_END()
	};

	packet_trace_identity("push");
	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, push_usage, 0);

	if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
		die(_("--delete is incompatible with --all, --mirror and --tags"));
	if (deleterefs && argc < 2)
		die(_("--delete doesn't make sense without any refs"));

	if (tags)
		add_refspec("refs/tags/*");

	if (argc > 0) {
		repo = argv[0];
		set_refspecs(argv + 1, argc - 1);
	}

	rc = do_push(repo, flags);
	if (rc == -1)
		usage_with_options(push_usage, options);
	else
		return rc;
}

static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
{
	struct perf_session *session;
	struct perf_evsel *pos;
	struct perf_data_file file = {
		.path = file_name,
		.mode = PERF_DATA_MODE_READ,
		.force = details->force,
	};

	session = perf_session__new(&file, 0, NULL);
	if (session == NULL)
		return -1;

	evlist__for_each(session->evlist, pos)
		perf_evsel__fprintf(pos, details, stdout);

	perf_session__delete(session);
	return 0;
}

int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused)
{
	struct perf_attr_details details = { .verbose = false, };
	const struct option options[] = {
	OPT_STRING('i', "input", &input_name, "file", "Input file name"),
	OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"),
	OPT_BOOLEAN('v', "verbose", &details.verbose,
		    "Show all event attr details"),
	OPT_BOOLEAN('g', "group", &details.event_group,
		    "Show event group information"),
	OPT_BOOLEAN('f', "force", &details.force, "don't complain, do it"),
	OPT_END()
	};
	const char * const evlist_usage[] = {
		"perf evlist [<options>]",
		NULL
	};

	argc = parse_options(argc, argv, options, evlist_usage, 0);
	if (argc)
		usage_with_options(evlist_usage, options);

	if (details.event_group && (details.verbose || details.freq)) {
		usage_with_options_msg(evlist_usage, options,
			"--group option is not compatible with other options\n");
	}

	return __cmd_evlist(input_name, &details);
}

int
main(int argc, const char **argv)
{
    int force = 0;
    int num = 0;
    const char *path = NULL;
    struct argparse_option options[] = {
        OPT_HELP(),
        OPT_BOOLEAN('f', "force", &force, "force to do", NULL),
        OPT_STRING('p', "path", &path, "path to read", NULL),
        OPT_INTEGER('n', "num", &num, "selected num", NULL),
        OPT_END(),
    };
    struct argparse argparse;
    argparse_init(&argparse, options, usage, 0);
    argc = argparse_parse(&argparse, argc, argv);
    if (force != 0)
        printf("force: %d\n", force);
    if (path != NULL)
        printf("path: %s\n", path);
    if (num != 0)
        printf("num: %d\n", num);
    if (argc != 0) {
        printf("argc: %d\n", argc);
        int i;
        for (i = 0; i < argc; i++) {
            printf("argv[%d]: %s\n", i, *(argv + i));
        }
    }
    return 0;
}

int main(int argc, const char **argv)
{
	const char *usage[] = {
		"test-parse-options <options>",
		NULL
	};
	struct option options[] = {
		OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
		OPT_INTEGER('i', "integer", &integer, "get a integer"),
		OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
		OPT_GROUP("string options"),
		OPT_STRING('s', "string", &string, "string", "get a string"),
		OPT_STRING(0, "string2", &string, "str", "get another string"),
		OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
		OPT_STRING('o', NULL, &string, "str", "get another string"),
		OPT_GROUP("magic arguments"),
		OPT_ARGUMENT("quux", "means --quux"),
		OPT_END(),
	};
	int i;

	argc = parse_options(argc, argv, options, usage, 0);

	printf("boolean: %d\n", boolean);
	printf("integer: %d\n", integer);
	printf("string: %s\n", string ? string : "(not set)");

	for (i = 0; i < argc; i++)
		printf("arg %02d: %s\n", i, argv[i]);

	return 0;
}

static void parse_args(int argc, const char **argv)
{
	const char * const * usage_str = revert_or_cherry_pick_usage();
	int noop;

#ifdef USE_CPLUSPLUS_FOR_INIT
#pragma cplusplus on
#endif

	struct option options[] = {
		OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
		OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"),
		{ OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)",
		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 },
		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
		OPT_INTEGER('m', "mainline", &mainline, "parent number"),
		OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),
		OPT_STRING(0, "strategy", &strategy, "strategy", "merge strategy"),
		OPT_CALLBACK('X', "strategy-option", &xopts, "option",
			"option for merge strategy", option_parse_x),
		OPT_END(),
		OPT_END(),
		OPT_END(),
	};

#ifdef USE_CPLUSPLUS_FOR_INIT
#pragma cplusplus reset
#endif

	if (action == CHERRY_PICK) {
		struct option cp_extra[] = {
			OPT_BOOLEAN('x', NULL, &no_replay, "append commit name"),
			OPT_BOOLEAN(0, "ff", &allow_ff, "allow fast-forward"),
			OPT_END(),
		};
		if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra))
			die(_("program error"));
	}

	commit_argc = parse_options(argc, argv, NULL, options, usage_str,
				    PARSE_OPT_KEEP_ARGV0 |
				    PARSE_OPT_KEEP_UNKNOWN);
	if (commit_argc < 2)
		usage_with_options(usage_str, options);

	commit_argv = argv;
}

int main(int argc, const char **argv)
{
	const char *prefix = "prefix/";
	const char *usage[] = {
		"test-parse-options <options>",
		NULL
	};
	struct option options[] = {
		OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
		OPT_BIT('4', "or4", &boolean,
			"bitwise-or boolean with ...0100", 4),
		OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
		OPT_GROUP(""),
		OPT_INTEGER('i', "integer", &integer, "get a integer"),
		OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
		OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
		OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
		OPT_CALLBACK('L', "length", &integer, "str",
			"get length of <str>", length_callback),
		OPT_FILENAME('F', "file", &file, "set file to <FILE>"),
		OPT_GROUP("String options"),
		OPT_STRING('s', "string", &string, "string", "get a string"),
		OPT_STRING(0, "string2", &string, "str", "get another string"),
		OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
		OPT_STRING('o', NULL, &string, "str", "get another string"),
		OPT_SET_PTR(0, "default-string", &string,
			"set string to default", (unsigned long)"default"),
		OPT_GROUP("Magic arguments"),
		OPT_ARGUMENT("quux", "means --quux"),
		OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
			number_callback),
		{ OPTION_BOOLEAN, '+', NULL, &boolean, NULL, "same as -b",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
		OPT_GROUP("Standard options"),
		OPT__ABBREV(&abbrev),
		OPT__VERBOSE(&verbose),
		OPT__DRY_RUN(&dry_run),
		OPT__QUIET(&quiet),
		OPT_END(),
	};
	int i;

	argc = parse_options(argc, argv, prefix, options, usage, 0);

	printf("boolean: %d\n", boolean);
	printf("integer: %u\n", integer);
	printf("timestamp: %lu\n", timestamp);
	printf("string: %s\n", string ? string : "(not set)");
	printf("abbrev: %d\n", abbrev);
	printf("verbose: %d\n", verbose);
	printf("quiet: %s\n", quiet ? "yes" : "no");
	printf("dry run: %s\n", dry_run ? "yes" : "no");
	printf("file: %s\n", file ? file : "(not set)");

	for (i = 0; i < argc; i++)
		printf("arg %02d: %s\n", i, argv[i]);

	return 0;
}

int main(int argc, const char *argv[])
{
	int RetVal;
	dbg_logger_stdout();

	#if defined(CONF_FAMILY_UNIX)
		signal(SIGINT, ExitFunc);
		signal(SIGTERM, ExitFunc);
		signal(SIGQUIT, ExitFunc);
		signal(SIGHUP, ReloadFunc);
	#endif

	char aUsage[128];
	CConfig Config;
	str_format(aUsage, sizeof(aUsage), "%s [options]", argv[0]);
	const char *pConfigFile = 0;
	const char *pWebDir = 0;
	const char *pBindAddr = 0;

	struct argparse_option aOptions[] = {
		OPT_HELP(),
		OPT_BOOLEAN('v', "verbose", &Config.m_Verbose, "Verbose output", 0),
		OPT_STRING('c', "config", &pConfigFile, "Config file to use", 0),
		OPT_STRING('d', "web-dir", &pWebDir, "Location of the web directory", 0),
		OPT_STRING('b', "bind", &pBindAddr, "Bind to address", 0),
		OPT_INTEGER('p', "port", &Config.m_Port, "Listen on port", 0),
		OPT_END(),
	};
	struct argparse Argparse;
	argparse_init(&Argparse, aOptions, aUsage, 0);
	argc = argparse_parse(&Argparse, argc, argv);

	if(pConfigFile)
		str_copy(Config.m_aConfigFile, pConfigFile, sizeof(Config.m_aConfigFile));
	if(pWebDir)
		str_copy(Config.m_aWebDir, pWebDir, sizeof(Config.m_aWebDir));
	if(pBindAddr)
		str_copy(Config.m_aBindAddr, pBindAddr, sizeof(Config.m_aBindAddr));

	if(Config.m_aWebDir[strlen(Config.m_aWebDir)-1] != '/')
		str_append(Config.m_aWebDir, "/", sizeof(Config.m_aWebDir));
	if(!fs_is_dir(Config.m_aWebDir))
	{
		dbg_msg("main", "ERROR: Can't find web directory: %s", Config.m_aWebDir);
		return 1;
	}

	char aTmp[1024];
	str_format(aTmp, sizeof(aTmp), "%s%s", Config.m_aWebDir, Config.m_aJSONFile);
	str_copy(Config.m_aJSONFile, aTmp, sizeof(Config.m_aJSONFile));

	CMain Main(Config);
	RetVal = Main.Run();

	return RetVal;
}

int cmd_prune(int argc, const char **argv, const char *prefix)
{
	struct rev_info revs;
	const struct option options[] = {
		OPT_BOOLEAN('n', NULL, &show_only,
			    "do not remove, show only"),
		OPT_BOOLEAN('v', NULL, &verbose,
			"report pruned objects"),
		OPT_DATE(0, "expire", &expire,
			 "expire objects older than <time>"),
		OPT_END()
	};
	char *s;

	expire = ULONG_MAX;
	save_commit_buffer = 0;
	read_replace_refs = 0;
	init_revisions(&revs, prefix);

	argc = parse_options(argc, argv, prefix, options, prune_usage, 0);
	while (argc--) {
		unsigned char sha1[20];
		const char *name = *argv++;

		if (!get_sha1(name, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die("bad object: %s", name);
			add_pending_object(&revs, object, "");
		}
		else
			die("unrecognized argument: %s", name);
	}
	mark_reachable_objects(&revs, 1);
	prune_object_dir(get_object_directory());

	prune_packed_objects(show_only);
	remove_temporary_files(get_object_directory());
	s = xstrdup(mkpath("%s/pack", get_object_directory()));
	remove_temporary_files(s);
	free(s);
	return 0;
}

static void parse_args(int argc, const char **argv)
{
	const char * const * usage_str = revert_or_cherry_pick_usage();
	int noop;
	struct option options[] = {
		OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
		OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"),
		OPT_BOOLEAN('r', NULL, &noop, "no-op (backward compatibility)"),
		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
		OPT_INTEGER('m', "mainline", &mainline, "parent number"),
		OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),
		OPT_STRING(0, "strategy", &strategy, "strategy", "merge strategy"),
		OPT_END(),
		OPT_END(),
		OPT_END(),
	};

	if (action == CHERRY_PICK) {
		struct option cp_extra[] = {
			OPT_BOOLEAN('x', NULL, &no_replay, "append commit name"),
			OPT_BOOLEAN(0, "ff", &allow_ff, "allow fast-forward"),
			OPT_END(),
		};
		if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra))
			die("program error");
	}

	commit_argc = parse_options(argc, argv, NULL, options, usage_str,
				    PARSE_OPT_KEEP_ARGV0 |
				    PARSE_OPT_KEEP_UNKNOWN);
	if (commit_argc < 2)
		usage_with_options(usage_str, options);

	commit_argv = argv;
}

int cmd_push(int argc, const char **argv, const char *prefix)
{
	int flags = 0;
	int tags = 0;
	int rc;
	const char *repo = NULL;	/* default repository */

	struct option options[] = {
		OPT_BIT('q', "quiet", &flags, "be quiet", TRANSPORT_PUSH_QUIET),
		OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE),
		OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
		OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
		OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
		OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
		OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
		OPT_BIT( 0,  "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
		OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
		OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, push_usage, 0);

	if (tags)
		add_refspec("refs/tags/*");

	if (argc > 0) {
		repo = argv[0];
		set_refspecs(argv + 1, argc - 1);
	}

	rc = do_push(repo, flags);
	if (rc == -1)
		usage_with_options(push_usage, options);
	else
		return rc;
}

int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
{
	int next_all = 0;
	struct option options[] = {
		OPT_BOOLEAN(0, "next-all", &next_all,
			    "perform 'git bisect next'"),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options,
			     git_bisect_helper_usage, 0);

	if (!next_all)
		usage_with_options(git_bisect_helper_usage, options);

	/* next-all */
	return bisect_next_all(prefix);
}