code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2021 Daniel Naber (http://www.danielnaber.de)
   *
   * This library 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 2.1 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.rules.fr;
  
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.Language;
  import org.languagetool.Tag;
  
  import java.util.Arrays;
  import java.util.ResourceBundle;
  
  /**
   * A rule that matches spaces before ?,:,; and ! (required for correct French
   * punctuation).
   *
   * @see <a href=
   *      "http://unicode.org/udhr/n/notes_fra.html">http://unicode.org/udhr/n/notes_fra.html</a>
   *
   * @author Marcin Miłkowski
   */
  public class QuestionWhitespaceStrictRule extends QuestionWhitespaceRule {
  
    public QuestionWhitespaceStrictRule(ResourceBundle messages, Language language) {
      super(messages, language);
      setTags(Arrays.asList(Tag.picky));
      this.setDefaultOff();
    }
  
    @Override
    public String getId() {
      return "FRENCH_WHITESPACE_STRICT";
    }
  
    @Override
    public String getDescription() {
      return "Insertion des espaces fines insécables";
    }
  
    @Override
    protected boolean isAllowedWhitespaceChar(AnalyzedTokenReadings[] tokens, int i) {
      // Strictly speaking, the character before ?!; should be an
      // "espace fine insécable" (U+202f). In practise, an
      // "espace insécable" (U+00a0) is also often used. Let's accept both.
      if (i < 0) {
        return false;
      }
      return tokens[i].getToken().equals("\u202f") || tokens[i].getToken().equals("\u00a0");
    }
  
  }
  