protected int simpleSyllablesCount()

in languagetool-core/src/main/java/org/languagetool/rules/ReadabilityRule.java [217:255]

• 39 lines of code
• 40 McCabe index (conditional complexity)

  protected int simpleSyllablesCount(String word) {
    if (word.length() == 0) {
      return 0;
    }
    if (word.length() == 1) {
      return 1;
    }
    int nSyllables = 0;
    boolean lastDouble = false;
    for (int i = 0; i < word.length() - 1; i++) {
      char c = word.charAt(i);
      if (isVowel(c)) {
        char cn = word.charAt(i + 1);
        if (lastDouble) {
          nSyllables++;
          lastDouble = false;
        } else if (((c == 'e' || c == 'E') && (cn == 'a' || cn == 'o' || cn == 'e' || cn == 'i' || cn == 'y')) ||
            ((c == 'a' || c == 'A') && (cn == 'e' || cn == 'i' || cn == 'u')) ||
            ((c == 'o' || c == 'O') && (cn == 'o' || cn == 'i' || cn == 'u' || cn == 'a')) ||
            ((c == 'u' || c == 'U') && (cn == 'i' || cn == 'a')) ||
            ((c == 'i' || c == 'I') && (cn == 'e'|| cn == 'o'))) {
          lastDouble = true;
        } else {
          nSyllables++;
          lastDouble = false;
        }
      } else {
        lastDouble = false;
      }
    }
    char c = word.charAt(word.length() - 1);
    char cl = word.charAt(word.length() - 2);
    if (cl == 'e' && (c == 's' || c == 'd') || cl == 'u' && c == 'e') {
      nSyllables--;
    } else if (isVowel(c) && c != 'e') {
      nSyllables++;
    }
    return nSyllables <= 0 ? 1 : nSyllables;
  }