private static String idFromTitle()

in java/com/google/gitiles/doc/TocFormatter.java [226:250]

• 25 lines of code
• 18 McCabe index (conditional complexity)

  private static String idFromTitle(String title) {
    StringBuilder b = new StringBuilder(title.length());
    for (char c : StringUtils.stripAccents(title).toCharArray()) {
      if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || ('0' <= c && c <= '9')) {
        b.append(c);
      } else if (c == ' ') {
        if (b.length() > 0 && b.charAt(b.length() - 1) != '-' && b.charAt(b.length() - 1) != '_') {
          b.append('-');
        }
      } else if (b.length() > 0
          && b.charAt(b.length() - 1) != '-'
          && b.charAt(b.length() - 1) != '_') {
        b.append('_');
      }
    }
    while (b.length() > 0) {
      char c = b.charAt(b.length() - 1);
      if (c == '-' || c == '_') {
        b.setLength(b.length() - 1);
        continue;
      }
      break;
    }
    return b.toString();
  }