bluelib/cmd-test/example.c

#include <blue/cmd.h>
#include <stdio.h>

enum {
	CMD_TEST,
	CMD_SUB,
	OPT_NAME,
	OPT_NAME_VALUE,
	OPT_OTHER,
	OPT_OTHER_VALUE,
	OPT_VERBOSE,
	OPT_REALLY_VERBOSE,
	OPT_MODE,
	OPT_MODE_VALUE,
	OPT_MODE_VALUE2,
	ARG_FILE,
	ARG_MORE,
};

const char *text
	= "No one rejects, dislikes, or avoids pleasure itself, because it is "
	  "pleasure, but because those who do not know how to pursue pleasure "
	  "rationally encounter consequences that are extremely painful. Nor "
	  "again is there anyone who loves or pursues or desires to obtain "
	  "pain of itself, because it is pain, but because occasionally "
	  "circumstances occur in which toil and pain can procure him some "
	  "great pleasure.";

static int test_command(
	const b_command *self, const b_arglist *opt, const b_array *args)
{
	printf("Hello, world!\n");

	b_arglist_iterator it;
	b_arglist_iterator_begin(
		opt, B_COMMAND_INVALID_ID, B_COMMAND_INVALID_ID, &it);
	while (b_arglist_iterator_is_valid(&it)) {
		printf("opt:%u,arg:%u,i:%zu,value: %s\n", it.opt_id,
		       it.value->val_id, it.i, it.value->val_str);

		b_arglist_iterator_next(&it);
	}

	return 0;
}

B_COMMAND(CMD_TEST, B_COMMAND_INVALID_ID)
{
	B_COMMAND_NAME("test");
	B_COMMAND_DESC("A test command.");
	B_COMMAND_FLAGS(B_COMMAND_SHOW_HELP_BY_DEFAULT);
	B_COMMAND_FUNCTION(test_command);

	B_COMMAND_OPTION(OPT_NAME)
	{
		B_OPTION_LONG_NAME("name");
		B_OPTION_SHORT_NAME('n');
		B_OPTION_DESC("The name of the data.");
		B_OPTION_ARG(OPT_NAME_VALUE)
		{
			B_ARG_NAME("name");
			B_ARG_NR_VALUES(2);
		}
	}

	B_COMMAND_OPTION(OPT_OTHER)
	{
		B_OPTION_LONG_NAME("other");
		B_OPTION_DESC(text);

		B_OPTION_ARG(OPT_OTHER_VALUE)
		{
			B_ARG_NAME("value");
			B_ARG_NR_VALUES(B_ARG_1_OR_MORE_VALUES);
		}
	}

	B_COMMAND_OPTION(OPT_VERBOSE)
	{
		B_OPTION_LONG_NAME("verbose");
		B_OPTION_SHORT_NAME('v');
		B_OPTION_DESC("Show detailed log output.");
	}

	B_COMMAND_OPTION(OPT_REALLY_VERBOSE)
	{
		B_OPTION_LONG_NAME("really-verbose");
		B_OPTION_SHORT_NAME('V');
		B_OPTION_DESC("Show REALLY detailed log output.");
	}

	B_COMMAND_OPTION(OPT_MODE)
	{
		B_OPTION_SHORT_NAME('m');
		B_OPTION_LONG_NAME("mode");
		B_OPTION_DESC("modes to operate in.");

		B_OPTION_ARG(OPT_MODE_VALUE)
		{
			B_ARG_NAME("mode");
			B_ARG_NR_VALUES(1);
			B_ARG_ALLOWED_VALUES("fast", "slow");
		}

		B_OPTION_ARG(OPT_MODE_VALUE2)
		{
			B_ARG_NAME("mode2");
			B_ARG_NR_VALUES(1);
			B_ARG_ALLOWED_VALUES("very-fast", "very-slow");
		}
	}

	B_COMMAND_ARG(ARG_FILE)
	{
		B_ARG_NAME("file");
		B_ARG_DESC("The file(s) to use");
		B_ARG_NR_VALUES(2);
	}

	B_COMMAND_ARG(ARG_MORE)
	{
		B_ARG_NAME("more");
		B_ARG_DESC("More args to use");
		B_ARG_ALLOWED_VALUES("how", "wow");
		B_ARG_NR_VALUES(2);
	}

	B_COMMAND_HELP_OPTION();

	B_COMMAND_USAGE()
	{
		B_COMMAND_USAGE_OPT(OPT_NAME);
		B_COMMAND_USAGE_ARG(ARG_FILE);
		B_COMMAND_USAGE_ARG(ARG_MORE);
	}
}

B_COMMAND(CMD_SUB, CMD_TEST)
{
	B_COMMAND_NAME("sub");
	B_COMMAND_LONG_NAME("sub");
	B_COMMAND_SHORT_NAME('S');
	B_COMMAND_DESC("A test subcommand");
	B_COMMAND_FLAGS(B_COMMAND_SHOW_HELP_BY_DEFAULT);
	B_COMMAND_FUNCTION(test_command);

	B_COMMAND_OPTION(OPT_NAME)
	{
		B_OPTION_LONG_NAME("name");
		B_OPTION_SHORT_NAME('n');
		B_OPTION_DESC("The name of the data");
		B_OPTION_ARG(OPT_NAME_VALUE)
		{
			B_ARG_NAME("name");
		}
	}

	B_COMMAND_OPTION(OPT_OTHER)
	{
		B_OPTION_LONG_NAME("other");
		B_OPTION_SHORT_NAME('o');
		B_OPTION_DESC("The other argument");
		B_OPTION_ARG(OPT_OTHER_VALUE)
		{
			B_ARG_NAME("value");
		}
	}

	B_COMMAND_HELP_OPTION();
}

int main(int argc, const char **argv)
{
	return b_command_dispatch(CMD_TEST, argc, argv);
}