xapian-core/backends/backends.h

   1 /** @file backends.h
   2  * @brief BACKEND_* constants
   3  */
   4 /* Copyright (C) 2015,2017,2018 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #ifndef XAPIAN_INCLUDED_BACKENDS_H
  22 #define XAPIAN_INCLUDED_BACKENDS_H
  23
  24 enum {
  25     BACKEND_UNKNOWN = -1,
  26     BACKEND_REMOTE = 0,
  27     BACKEND_INMEMORY = 1,
  28     BACKEND_GLASS = 2,
  29     BACKEND_HONEY = 3,
  30     BACKEND_MAX_
  31 };
  32
  33 inline const char * backend_name(int code) {
  34     if (code < 0 || code > BACKEND_MAX_) code = BACKEND_MAX_;
  35     const char * p =
  36         "remote\0\0\0"
  37         "inmemory\0"
  38         "glass\0\0\0\0"
  39         "honey\0\0\0\0"
  40         "?";
  41     return p + code * 9;
  42 }
  43
  44 #endif