util.h

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//
//    Fries - Feature Retriever for Intensional Encoding of Sentences
//
//    Copyright (C) 2006   TALP Research Center
//                         Universitat Politecnica de Catalunya
//
//    This file is part of the Fries library
//
//    The Fries library is free software; you can redistribute it 
//    and/or modify it under the terms of the GNU General Public
//    License as published by the Free Software Foundation; either
//    version 3 of the License, or (at your option) any later version.
//
//    This library is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//    General Public License for more details.
//
//    You should have received a copy of the GNU General Public
//    License along with this library; if not, write to the Free Software
//    Foundation, Inc., 51 Franklin St, 5th Floor, Boston, MA 02110-1301 USA
//
//    contact: Lluis Padro (padro@lsi.upc.es)
//             TALP Research Center
//             despatx Omega.S112 - Campus Nord UPC
//             08034 Barcelona.  SPAIN
//

#ifndef _UTIL
#define _UTIL

#include <list>
#include <string>
#include <vector>
#include <set>
#include <boost/regex/icu.hpp>

#include "freeling/windll.h"

// Capitalization patterns
#define UPPER_NONE 0
#define UPPER_1ST 1
#define UPPER_ALL 2
 

class WINDLL util {
 public:
  static boost::u32regex RE_has_lowercase;
  static boost::u32regex RE_has_alphanum;
  static boost::u32regex RE_is_capitalized;
  static boost::u32regex RE_all_digits;
  static boost::u32regex RE_all_caps;
  static boost::u32regex RE_initial_dot;
  static boost::u32regex RE_all_caps_dot;
  static boost::u32regex RE_capitalized_dot;
  static boost::u32regex RE_has_digits;
  static boost::u32regex RE_lowercase_dot;

  static void init_locale(const std::wstring &s=L"default");
  static void open_utf8_file(std::wifstream &, const std::wstring &);
  static void open_utf8_file(std::wofstream &, const std::wstring &);
  static std::wstring lowercase(const std::wstring &);
  static std::wstring uppercase(const std::wstring &);
  static bool has_lowercase(const std::wstring &);
  static bool has_alphanum(const std::wstring &);
  static bool is_capitalized(const std::wstring &);
  static bool all_digits(const std::wstring &);
  static bool all_caps(const std::wstring &);
  static std::wstring absolute(const std::wstring &, const std::wstring &);
  static std::wstring eliminateChars(const std::wstring &, const std::wstring &);
  static std::vector<std::wstring> split(const std::wstring &, const std::wstring &);
  static void find_and_replace(std::wstring &, const std::wstring &, const std::wstring &);
  static int wstring2int(const std::wstring &);
  static std::wstring int2wstring(const int);
  static double wstring2double(const std::wstring &);
  static std::wstring double2wstring(const double);
  static long double wstring2longdouble(const std::wstring &);
  static std::wstring longdouble2wstring(const long double);
  static std::wstring vector2wstring(const std::vector<std::wstring> &, const std::wstring &);
  static std::wstring list2wstring(const std::list<std::wstring> &, const std::wstring &);
  static std::wstring pairlist2wstring(const std::list<std::pair<std::wstring, double> > &, const std::wstring &, const std::wstring &);
  static std::list<std::wstring> wstring2list(const std::wstring &, const std::wstring &);
  static std::vector<std::wstring> wstring2vector(const std::wstring &, const std::wstring &);
  static std::set<std::wstring> wstring2set(const std::wstring &, const std::wstring &);
  static std::wstring set2wstring(const std::set<std::wstring> &, const std::wstring &);
  static std::string wstring2string(const std::wstring& s);
  static std::wstring string2wstring(const std::string& s);
  static int capitalization(const std::wstring &);
  static std::wstring capitalize(const std::wstring &, int, bool);
};

#endif