suggester.hxx

/* Copyright 2016-2024 Dimitrij Mijoski
 *
 * This file is part of Nuspell.
 *
 * Nuspell is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Nuspell 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Nuspell.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef NUSPELL_SUGGESTER_HXX
#define NUSPELL_SUGGESTER_HXX
 
#include "checker.hxx"
 
namespace nuspell {
NUSPELL_BEGIN_INLINE_NAMESPACE
 
struct NUSPELL_EXPORT Suggester : public Checker {
 
    enum High_Quality_Sugs : bool {
        ALL_LOW_QUALITY_SUGS = false,
        HAS_HIGH_QUALITY_SUGS = true
    };
 
    auto suggest_priv(std::string_view input_word, List_Strings& out) const
        -> void;
 
    auto suggest_low(std::string& word, List_Strings& out) const
        -> High_Quality_Sugs;
 
    auto add_sug_if_correct(std::string& word, List_Strings& out) const
        -> bool;
 
    auto uppercase_suggest(const std::string& word, List_Strings& out) const
        -> void;
 
    auto rep_suggest(std::string& word, List_Strings& out) const -> void;
 
    auto try_rep_suggestion(std::string& word, List_Strings& out) const
        -> void;
 
    auto max_attempts_for_long_alogs(std::string_view word) const -> size_t;
 
    auto map_suggest(std::string& word, List_Strings& out) const -> void;
 
    auto map_suggest(std::string& word, List_Strings& out, size_t i,
                     size_t& remaining_attempts) const -> void;
 
    auto adjacent_swap_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto distant_swap_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto keyboard_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto extra_char_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto forgotten_char_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto move_char_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto bad_char_suggest(std::string& word, List_Strings& out) const
        -> void;
 
    auto doubled_two_chars_suggest(std::string& word,
                                   List_Strings& out) const -> void;
 
    auto two_words_suggest(const std::string& word, List_Strings& out) const
        -> void;
 
    auto ngram_suggest(const std::string& word_u8, List_Strings& out) const
        -> void;
 
    auto expand_root_word_for_ngram(Word_List::const_reference root,
                                    std::string_view wrong,
                                    List_Strings& expanded_list,
                                    std::vector<bool>& cross_affix) const
        -> void;
};
 
NUSPELL_END_INLINE_NAMESPACE
} // namespace nuspell
#endif // NUSPELL_SUGGESTER_HXX