/*
 * pjctl - network projector control utility
 *
 * Copyright (C) 2011  Benjamin Franzke <benjaminfranzke@googlemail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PARAM_H
#define PARAM_H

enum pjctl_param_type {
	PJCTL_PARAM_ATOM,
	PJCTL_PARAM_RANGE,
	PJCTL_PARAM_SWITCH,
	PJCTL_PARAM_END
};

struct pjctl_param {
	enum pjctl_param_type type;
	union {
		const char **atoms;
		struct { int start, end, fallback; } range;
	} p;
};

#define P (struct pjctl_param[])
#define P_ATOM(...) { \
	.type = PJCTL_PARAM_ATOM, \
	.p.atoms = (const char *[]) { __VA_ARGS__, NULL } \
}
#define P_RANGE(a,b,c) { .type = PJCTL_PARAM_RANGE, .p.range = { (a),(b),(c) } }
#define P_SWITCH { .type = PJCTL_PARAM_SWITCH }
#define P_END { .type = PJCTL_PARAM_END }

#endif /* PARAM_H */