private void step5()

in opennlp-tools/src/main/java/opennlp/tools/stemmer/PorterStemmer.java [473:568]

• 93 lines of code
• 37 McCabe index (conditional complexity)

  private void step5() {
    if (k == k0) {
      return; /* for Bug 1 */
    }
    switch (b[k - 1]) {
      case 'a':
        if (ends("al")) {
          break;
        }
        return;
      case 'c':
        if (ends("ance")) {
          break;
        }
        if (ends("ence")) {
          break;
        }
        return;
      case 'e':
        if (ends("er")) {
          break;
        }
        return;
      case 'i':
        if (ends("ic")) {
          break;
        }
        return;
      case 'l':
        if (ends("able")) {
          break;
        }
        if (ends("ible")) {
          break;
        }
        return;
      case 'n':
        if (ends("ant")) {
          break;
        }
        if (ends("ement")) {
          break;
        }
        if (ends("ment")) {
          break;
        }
        /* element etc. not stripped before the m */
        if (ends("ent")) {
          break;
        }
        return;
      case 'o':
        if (ends("ion") && j >= 0 && (b[j] == 's' || b[j] == 't')) {
          break;
        }
        /* j >= 0 fixes Bug 2 */
        if (ends("ou")) {
          break;
        }
        return;
      /* takes care of -ous */
      case 's':
        if (ends("ism")) {
          break;
        }
        return;
      case 't':
        if (ends("ate")) {
          break;
        }
        if (ends("iti")) {
          break;
        }
        return;
      case 'u':
        if (ends("ous")) {
          break;
        }
        return;
      case 'v':
        if (ends("ive")) {
          break;
        }
        return;
      case 'z':
        if (ends("ize")) {
          break;
        }
        return;
      default:
        return;
    }
    if (m() > 1) {
      k = j;
    }
  }