xapian-applications/omega/weight.cc

   1 /** @file
   2  * @brief Set the weighting scheme for Omega
   3  */
   4 /* Copyright (C) 2009,2013,2016 Olly Betts
   5  * Copyright (C) 2013 Aarsh Shah
   6  * Copyright (C) 2017 Vivek Pal
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  21  */
  22
  23 #include <config.h>
  24
  25 #include "weight.h"
  26
  27 #include <cstdlib>
  28
  29 using namespace std;
  30
  31 void
  32 set_weighting_scheme(Xapian::Enquire & enq, const string & scheme,
  33                      bool force_boolean)
  34 {
  35     if (!force_boolean) {
  36         if (scheme.empty()) return;
  37
  38         const Xapian::Weight * wt = Xapian::Weight::create(scheme);
  39         enq.set_weighting_scheme(*wt);
  40
  41         delete wt;
  42     }
  43 }