Method readFewBits

java/org/brotli/dec/BitReader.java:156–160

Fetches bits from accumulator. WARNING: accumulator MUST contain at least the specified amount of bits, otherwise BitReader will become broken.

(State s, int n)

   * otherwise BitReader will become broken.
   */
  static int readFewBits(State s, int n) {
    final int v = peekBits(s) & ((1 << n) - 1);
    s.bitOffset += n;
    return v;
  }

  static int readBits(State s, int n) {
    if (HALF_BITNESS >= 24) {