Line data    Source code

       1             : // Snap Websites Servers -- Fuzzy String Comparisons
       2             : // Copyright (c) 2011-2019  Made to Order Software Corp.  All Rights Reserved
       3             : //
       4             : // This program is free software; you can redistribute it and/or modify
       5             : // it under the terms of the GNU General Public License as published by
       6             : // the Free Software Foundation; either version 2 of the License, or
       7             : // (at your option) any later version.
       8             : //
       9             : // This program is distributed in the hope that it will be useful,
      10             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             : // GNU General Public License for more details.
      13             : //
      14             : // You should have received a copy of the GNU General Public License
      15             : // along with this program; if not, write to the Free Software
      16             : // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
      17             : #pragma once
      18             : 
      19             : #include "snapwebsites/snap_exception.h"
      20             : 
      21             : #include <string>
      22             : 
      23             : namespace snap
      24             : {
      25             : 
      26           0 : class fuzzy_string_compare_exception : public snap_exception
      27             : {
      28             : public:
      29           0 :     explicit fuzzy_string_compare_exception(char const *        whatmsg) : snap_exception("snap_child", whatmsg) {}
      30             :     explicit fuzzy_string_compare_exception(std::string const & whatmsg) : snap_exception("snap_child", whatmsg) {}
      31             :     explicit fuzzy_string_compare_exception(QString const &     whatmsg) : snap_exception("snap_child", whatmsg) {}
      32             : };
      33             : 
      34           0 : class fuzzy_string_compare_exception_invalid_parameters : public fuzzy_string_compare_exception
      35             : {
      36             : public:
      37           0 :     explicit fuzzy_string_compare_exception_invalid_parameters(char const *        whatmsg) : fuzzy_string_compare_exception(whatmsg) {}
      38             :     explicit fuzzy_string_compare_exception_invalid_parameters(std::string const & whatmsg) : fuzzy_string_compare_exception(whatmsg) {}
      39             :     explicit fuzzy_string_compare_exception_invalid_parameters(QString const &     whatmsg) : fuzzy_string_compare_exception(whatmsg) {}
      40             : };
      41             : 
      42             : int levenshtein_distance(std::wstring const & s, std::wstring const & t);
      43             : bool strstr_with_levenshtein_distance(std::wstring const & haystack, std::wstring const & needle, int const distance);
      44             : 
      45             : } // namespace snap
      46             : // vim: ts=4 sw=4 et