1 
2 /******************************************************
3  *  Presage, an extensible predictive text entry system
4  *  ---------------------------------------------------
5  *
6  *  Copyright (C) 2008  Matteo Vescovi <matteo.vescovi@yahoo.co.uk>
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 along
19     with this program; if not, write to the Free Software Foundation, Inc.,
20     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21                                                                              *
22                                                                 **********(*)*/
23 
24 
25 #ifndef PRESAGE_COMBINER
26 #define PRESAGE_COMBINER
27 
28 #if HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31 
32 #include "prediction.h"
33 
34 
35 /** Combiner interface
36  *
37  * A combiner takes one or more predictions and combines them into a single prediction.
38  *
39  */
40 class Combiner {
41 public:
42     Combiner();
43     virtual ~Combiner();
44     virtual Prediction combine(const std::vector<Prediction>&) = 0;
45 
46 protected:
47     virtual Prediction filter(const Prediction& prediction) const;
48 
49 };
50 
51 #endif // PRESAGE_COMBINER
52