presage  0.8.7
dictionaryPredictor.h
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00001 
00002 /******************************************************
00003  *  Presage, an extensible predictive text entry system
00004  *  ---------------------------------------------------
00005  *
00006  *  Copyright (C) 2008  Matteo Vescovi <matteo.vescovi@yahoo.co.uk>
00007 
00008     This program is free software; you can redistribute it and/or modify
00009     it under the terms of the GNU General Public License as published by
00010     the Free Software Foundation; either version 2 of the License, or
00011     (at your option) any later version.
00012 
00013     This program is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016     GNU General Public License for more details.
00017 
00018     You should have received a copy of the GNU General Public License along
00019     with this program; if not, write to the Free Software Foundation, Inc.,
00020     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00021                                                                              *
00022                                                                 **********(*)*/
00023 
00024 
00025 #ifndef PRESAGE_DICTIONARYPREDICTOR
00026 #define PRESAGE_DICTIONARYPREDICTOR
00027 
00028 #include "predictor.h"
00029 #include "../core/dispatcher.h"
00030 
00031 #include <fstream>
00032 
00033 
00040 class DictionaryPredictor : public Predictor, public Observer {
00041 public:
00042     DictionaryPredictor(Configuration*, ContextTracker*);
00043     ~DictionaryPredictor();
00044 
00045     virtual Prediction predict(const size_t size, const char** filter) const;
00046 
00047     virtual void learn(const std::vector<std::string>& change);
00048 
00049     virtual void update (const Observable* variable);
00050 
00051     void set_dictionary (const std::string& value);
00052     void set_probability (const std::string& value);
00053 
00054 private:
00055     static const char* LOGGER;
00056     static const char* DICTIONARY;
00057     static const char* PROBABILITY;
00058 
00059     std::string dictionary_path;
00060     double probability;
00061 
00062     Dispatcher<DictionaryPredictor> dispatcher;
00063 };
00064 
00065 #endif // PRESAGE_DICTIONARYPREDICTOR