text: /******************************************************************************
   * File:         hyphen.cpp  (Formerly hyphen.c)
   * Description:  Functions for maintaining information about hyphenated words.
   * Author:       Mark Seaman, OCR Technology
   * Status:       Reusable Software Component
   *
   * (c) Copyright 1987, Hewlett-Packard Company.
   ** Licensed under the Apache License, Version 2.0 (the "License");
   ** you may not use this file except in compliance with the License.
   ** You may obtain a copy of the License at
   ** http://www.apache.org/licenses/LICENSE-2.0
   ** Unless required by applicable law or agreed to in writing, software
   ** distributed under the License is distributed on an "AS IS" BASIS,
   ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   ** See the License for the specific language governing permissions and
   ** limitations under the License.
   *
   *****************************************************************************/
  
  #include "dict.h"
  
  namespace tesseract {
  
  // Unless the previous word was the last one on the line, and the current
  // one is not (thus it is the first one on the line), erase hyphen_word_,
  // clear hyphen_active_dawgs_, hyphen_constraints_ update last_word_on_line_.
  void Dict::reset_hyphen_vars(bool last_word_on_line) {
    if (!(last_word_on_line_ == true && last_word_on_line == false)) {
      if (hyphen_word_ != nullptr) {
        delete hyphen_word_;
        hyphen_word_ = nullptr;
        hyphen_active_dawgs_.clear();
      }
    }
    if (hyphen_debug_level) {
      tprintf("reset_hyphen_vars: last_word_on_line %d -> %d\n", last_word_on_line_,
              last_word_on_line);
    }
    last_word_on_line_ = last_word_on_line;
  }
  
  // Update hyphen_word_, and copy the given DawgPositionVectors into
  // hyphen_active_dawgs_.
  void Dict::set_hyphen_word(const WERD_CHOICE &word, const DawgPositionVector &active_dawgs) {
    if (hyphen_word_ == nullptr) {
      hyphen_word_ = new WERD_CHOICE(word.unicharset());
      hyphen_word_->make_bad();
    }
    if (hyphen_word_->rating() > word.rating()) {
      *hyphen_word_ = word;
      // Remove the last unichar id as it is a hyphen, and remove
      // any unichar_string/lengths that are present.
      hyphen_word_->remove_last_unichar_id();
      hyphen_active_dawgs_ = active_dawgs;
    }
    if (hyphen_debug_level) {
      hyphen_word_->print("set_hyphen_word: ");
    }
  }
  } // namespace tesseract
  