content: package zemberek.morphology.analysis;
  
  import java.util.ArrayList;
  import java.util.List;
  import zemberek.morphology.TurkishMorphology;
  import zemberek.morphology.generator.WordGenerator;
  import zemberek.morphology.generator.WordGenerator.Result;
  import zemberek.morphology.morphotactics.Morpheme;
  
  /**
   * Used for converting informal morphological analysis results to formal analysis using mappings and
   * word generation.
   */
  public class InformalAnalysisConverter {
  
    private WordGenerator generator;
  
    public InformalAnalysisConverter(WordGenerator generator) {
      this.generator = generator;
    }
  
    /**
     * Converts the input and it's analysis SingleAnalysis to formal surface form and SingleAnalysis
     * object.
     *
     * @return converted single analysis object and new surface form. If input does not contain any
     * informal morpheme, it returns input without any changes. If generation does not work, returns
     * null.
     */
    public WordGenerator.Result convert(String input, SingleAnalysis a) {
      if (!a.containsInformalMorpheme()) {
        return new Result(input, a);
      }
      List<Morpheme> formalMorphemes = toFormalMorphemeNames(a);
      List<WordGenerator.Result> generations =
          generator.generate(a.getDictionaryItem(), formalMorphemes);
      if (generations.size() > 0) {
        return generations.get(0);
      } else {
        return null;
      }
    }
  
    /**
     * Converts informal morphemes to formal morphemes.
     */
    public static List<Morpheme> toFormalMorphemeNames(SingleAnalysis a) {
      List<Morpheme> transform = new ArrayList<>();
      for (Morpheme m : a.getMorphemes()) {
        if (m.informal && m.mappedMorpheme != null) {
          transform.add(m.mappedMorpheme);
        } else {
          transform.add(m);
        }
      }
      return transform;
    }
  }
  