Method anyOf

src/main/java/org/sfj/PegLegParser.java:682–692

Generates a rule which matches any single char in the char sequence. @param string candidate chars. @return rule

(CharSequence string)

   * @return rule
   */
  public CharTerminal<V> anyOf(CharSequence string) {
    return new CharTerminal<>((ignoreCase) -> {
      get().pushFrame("anyOf(" + string + ")");
      int n = get().nextChar();
      if (n < 0) { return get().ruleReturn(false, false); }
      for (int i = 0; i < string.length(); i++) {
        if (isCharMatch(ignoreCase, string.charAt(i), (char) n)) { return get().ruleReturn(true, true); }
      }
      return get().ruleReturn(false, false);
    });
  }

  /**
   * Dictionary lookup, optimized.