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 2.1 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 _CONSTR_GRAMMAR 00030 #define _CONSTR_GRAMMAR 00031 00032 #include <string> 00033 #include <list> 00034 #include <map> 00035 #include <set> 00036 00037 #include "freeling/tokens.h" 00038 00042 00043 class condition { 00044 private: 00046 bool neg; 00048 int pos; 00050 bool starpos; 00052 std::list<std::string> terms; 00054 std::list <std::string> barrier; 00055 00056 public: 00058 condition(); 00059 00061 void clear(); 00063 void set_neg(bool); 00065 void set_pos(int,bool); 00067 void set_terms(const std::list<std::string>&); 00069 void set_barrier(const std::list<std::string>&); 00071 bool is_neg() const; 00073 int get_pos() const; 00075 bool has_star() const; 00077 std::list<std::string> get_terms() const; 00079 bool has_barrier() const; 00081 std::list<std::string> get_barrier() const; 00082 }; 00083 00084 00088 00089 class ruleCG : public std::list<condition> { 00090 protected: 00092 double weight; 00094 std::string head; 00095 00096 public: 00098 ruleCG(); 00099 00101 void set_head(const std::string &); 00103 void set_weight(double); 00105 std::string get_head() const; 00107 double get_weight() const; 00108 }; 00109 00113 00114 class setCG : public std::set<std::string> { 00115 public: 00116 int type; 00117 }; 00118 00123 00124 class constraint_grammar : public std::multimap<std::string,ruleCG> { 00125 00126 public: 00128 bool senses_used; 00129 00131 std::map<std::string,setCG> sets; 00132 00134 constraint_grammar(const std::string &); 00135 00137 void get_rules_head(const std::string &, std::list<ruleCG> &) const; 00138 }; 00139 00140 #endif 00141 00142 00143 00144 00145