private AsciiSet namedCharClass()

in spectator-api/src/main/java/com/netflix/spectator/impl/matcher/Parser.java [178:202]

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

  private AsciiSet namedCharClass() {
    boolean invert = false;
    char c = advance();
    switch (c) {
      case 'd': return Constants.DIGIT;
      case 'D': return Constants.DIGIT.invert();
      case 's': return Constants.SPACE;
      case 'S': return Constants.SPACE.invert();
      case 'w': return Constants.WORD_CHARS;
      case 'W': return Constants.WORD_CHARS.invert();
      case 'h':
      case 'H':
        throw unsupported("horizontal whitespace class");
      case 'v':
      case 'V':
        throw unsupported("vertical whitespace class");
      case 'P':
        invert = true;
      case 'p':
        return newNamedCharSet(name(), invert);
      default:
        --current;
        return null;
    }
  }