xapian-applications/omega/query.h

   1 /** @file query.h
   2  * @brief: Omega functions for running queries, etc.
   3  */
   4 /* Copyright (C) 2007,2011,2016 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 OMEGA_INCLUDED_QUERY_H
  22 #define OMEGA_INCLUDED_QUERY_H
  23
  24 #include <xapian.h>
  25
  26 #include <set>
  27 #include <string>
  28
  29 extern Xapian::Query::op default_op;
  30
  31 void add_bterm(const std::string & term);
  32
  33 void add_nterm(const std::string & term);
  34
  35 void add_query_string(const std::string& prefix, const std::string& s);
  36
  37 void parse_omegascript();
  38
  39 std::string pretty_term(std::string term);
  40
  41 class OmegaExpandDecider : public Xapian::ExpandDecider {
  42     Xapian::Database db;
  43     set<string> exclude_stems;
  44   public:
  45     OmegaExpandDecider(const Xapian::Database & db,
  46                        set<string> * querytermset = NULL);
  47     bool operator()(const string & term) const;
  48 };
  49
  50 std::string html_escape(const std::string &str);
  51
  52 #endif // OMEGA_INCLUDED_QUERY_H