/** @file
 * @brief BACKEND_* constants
 */
/* Copyright (C) 2015,2017,2018 Olly Betts
 *
 * 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 2 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
 * <https://www.gnu.org/licenses/>.
 */

#ifndef XAPIAN_INCLUDED_BACKENDS_H
#define XAPIAN_INCLUDED_BACKENDS_H

enum {
    BACKEND_OLD = -2,
    BACKEND_UNKNOWN = -1,
    BACKEND_REMOTE = 0,
    BACKEND_INMEMORY = 1,
    BACKEND_GLASS = 2,
    BACKEND_HONEY = 3,
    BACKEND_MAX_
};

inline const char * backend_name(int code) {
    if (code < 0 || code > BACKEND_MAX_) code = BACKEND_MAX_;
    const char * p =
        "remote\0\0\0"
        "inmemory\0"
        "glass\0\0\0\0"
        "honey\0\0\0\0"
        "?";
    return p + code * 9;
}

#endif
