code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2005 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.de;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.ResourceBundle;
  
  import org.languagetool.AnalyzedSentence;
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.rules.*;
  
  /**
   * Check incorrect use of "spiegelt ... wider", namely using "wieder" instead
   * of "wider", e.g. in "Das spiegelt die Situation wieder" (incorrect).
   *   
   * @author Daniel Naber
   */
  public class WiederVsWiderRule extends Rule {
  
    public WiederVsWiderRule(ResourceBundle messages) {
      super.setCategory(Categories.TYPOS.getCategory(messages));
      addExamplePair(Example.wrong("Das spiegelt die Situation in Deutschland <marker>wieder</marker>."),
                     Example.fixed("Das spiegelt die Situation in Deutschland <marker>wider</marker>."));
    }
    
    @Override
    public String getId() {
      return "DE_WIEDER_VS_WIDER";
    }
  
    @Override
    public String getDescription() {
      return "Möglicher Tippfehler 'spiegeln ... wieder (wider)'";
    }
  
    @Override
    public int estimateContextForSureMatch() {
      return 0;
    }
  
    @Override
    public RuleMatch[] match(AnalyzedSentence sentence) {
      List<RuleMatch> ruleMatches = new ArrayList<>();
      AnalyzedTokenReadings[] tokens = sentence.getTokensWithoutWhitespace();
      boolean foundSpiegelt = false;
      boolean foundWieder = false;
      boolean foundWider = false;
      for (int i = 0; i < tokens.length; i++) {
        String token = tokens[i].getToken();
        if (tokens[i].hasLemma("spiegeln")) {
          foundSpiegelt = true;
        } else if (token.equalsIgnoreCase("wieder") && foundSpiegelt) {
          foundWieder = true;
        } else if (token.equalsIgnoreCase("wider") && foundSpiegelt) {
          foundWider = true;
        }
        if (foundSpiegelt && foundWieder && !foundWider &&
            !(tokens.length > i + 2 && (tokens[i + 1].getToken().equals("wider") || tokens[i + 2].getToken().equals("wider")) )
           ) {
          String msg = "'wider' in 'widerspiegeln' wird mit 'i' statt mit 'ie' " +
                  "geschrieben, z.B. 'Das spiegelt die Situation gut wider.'";
          String shortMsg = "'wider' in 'widerspiegeln' wird mit 'i' geschrieben";
          int pos = tokens[i].getStartPos();
          RuleMatch ruleMatch = new RuleMatch(this, sentence, pos, pos + token.length(), msg, shortMsg);
          ruleMatch.setSuggestedReplacement("wider");
          ruleMatches.add(ruleMatch);
          foundSpiegelt = false;
          foundWieder = false;
          foundWider = false;
        }
      }
      return toRuleMatchArray(ruleMatches);
    }
  
  }
  