accents_modules.h

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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 _ACCENTS_MOD
00030 #define _ACCENTS_MOD
00031 
00032 #include <string>
00033 #include <set>
00034 
00035 #include "freeling/sufrule.h"
00036 
00043 
00044 class accents_module {
00045 
00046    public:
00048       accents_module();
00050       virtual void fix_accentuation(std::set<std::string> &, const sufrule &) const =0;
00052       virtual ~accents_module() {};
00053 
00054 };
00055 
00056 
00062 
00063 class accents_default: public accents_module {
00064 
00065    public:
00067       accents_default();
00068 
00070       void fix_accentuation(std::set<std::string> &, const sufrule &) const;
00071 };
00072 
00073 
00079 
00080 class accents_es: public accents_module {
00081 
00082    private:
00084       static bool is_vowel(char);
00086       static bool is_vowel_notacc(char);
00088       static bool is_monosylabic(const std::string &);
00090       static bool is_open(char);
00092       static bool is_accentued_esp(char);
00094       static bool is_accentued_esp(const std::string &);
00096       static void remove_accent_esp(std::string &);
00098       static void remove_accent_esp(char &);
00100       static void put_accent_esp(char &);
00102       static bool put_accent_esp(std::string &);
00104       static bool llana_acentuada(const std::string &);
00106       static bool aguda_mal_acentuada(const std::string &);
00107 
00108    public:
00110       accents_es();
00111 
00113       void fix_accentuation(std::set<std::string> &, const sufrule &) const;
00114 };
00115 
00116 
00117 #endif
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