FreeLing  3.1
fex.h
Go to the documentation of this file.
00001 
00002 //
00003 //    FreeLing - Open Source Language Analyzers
00004 //
00005 //    Copyright (C) 2004   TALP Research Center
00006 //                         Universitat Politecnica de Catalunya
00007 //
00008 //    This library is free software; you can redistribute it and/or
00009 //    modify it under the terms of the GNU General Public
00010 //    License as published by the Free Software Foundation; either
00011 //    version 3 of the License, or (at your option) any later version.
00012 //
00013 //    This library 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 GNU
00016 //    General Public License for more details.
00017 //
00018 //    You should have received a copy of the GNU General Public
00019 //    License along with this library; if not, write to the Free Software
00020 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00021 //
00022 //    contact: Lluis Padro (padro@lsi.upc.es)
00023 //             TALP Research Center
00024 //             despatx C6.212 - Campus Nord UPC
00025 //             08034 Barcelona.  SPAIN
00026 //
00028 
00029 #ifndef _FEX
00030 #define _FEX
00031 
00032 #include <vector>
00033 #include <set>
00034 #include <list>
00035 
00036 #include "freeling/morfo/fex_rule.h"
00037 #include "freeling/morfo/fex_lexicon.h"
00038 #include "freeling/morfo/tagset.h"
00039 
00040 #define ENCODE_NAME 0x01
00041 #define ENCODE_INT  0x02
00042 
00043 namespace freeling {
00044 
00048 
00049   class fex {
00050   private:
00052     const tagset *Tags;
00053 
00055     std::list<fex_rulepack> packs;
00057     fex_lexicon lex;
00059     void get_features(sentence &, std::vector<std::set<std::wstring> > &, std::vector<std::set<int> > &, int) const;
00061     void read_condition(std::wistringstream &, const std::wstring &, const std::wstring &, std::list<fex_condition> &, int &);
00063     void precompute_once(const fex_rulepack &, sentence &) const;
00066     void precompute_range(const fex_rulepack &, sentence &) const;
00067 
00068   public:
00070     fex(const std::wstring&, const std::wstring&, const std::map<std::wstring,const feature_function *> &);
00072     ~fex();
00073 
00075     void encode_name(sentence &, std::vector<std::set<std::wstring> > &) const;
00077     void encode_int(sentence &, std::vector<std::set<int> > &) const;
00079     void encode_all(sentence &, std::vector<std::set<std::wstring> > &, std::vector<std::set<int> > &) const;
00080 
00082     std::vector<std::set<std::wstring> > encode_name(sentence &) const;
00084     std::vector<std::set<int> > encode_int(sentence &) const;
00085 
00087     void clear_lexicon(); 
00089     void encode_to_lexicon(sentence &);
00091     void save_lexicon(const std::wstring &, double) const;
00092   };
00093 
00094 } // namespace
00095 
00096 #endif