xapian-applications/omega/expand.h

   1 /** @file expand.h
   2  * @brief Set the expansion scheme for Omega
   3  */
   4 /* Copyright (C) 2009 Olly Betts
   5  * Copyright (C) 2013 Aarsh Shah
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20  */
  21
  22 #ifndef OMEGA_INCLUDED_EXPAND_H
  23 #define OMEGA_INCLUDED_EXPAND_H
  24
  25 #include <xapian.h>
  26
  27 #include <string>
  28 #include <map>
  29
  30 #ifndef XAPIAN_AT_LEAST
  31 #define XAPIAN_AT_LEAST(A,B,C) \
  32     (XAPIAN_MAJOR_VERSION > (A) || \
  33      (XAPIAN_MAJOR_VERSION == (A) && \
  34       (XAPIAN_MINOR_VERSION > (B) || \
  35        (XAPIAN_MINOR_VERSION == (B) && XAPIAN_REVISION >= (C)))))
  36 #endif
  37
  38 #if !XAPIAN_AT_LEAST(1,3,2)
  39 extern double expand_param_k;
  40 #endif
  41
  42 void set_expansion_scheme(Xapian::Enquire & enq,
  43                           const std::map<std::string, std::string> & opt);
  44
  45 #endif // OMEGA_INCLUDED_EXPAND_H