Function readBlockLength

js/decode.ts:255–267

(tableGroup: Int32Array, tableIdx: number, s: State)

  return tableGroup[offset] & 0xFFFF;
}
function readBlockLength(tableGroup: Int32Array, tableIdx: number, s: State): number {
  if (s.bitOffset >= 16) {
    s.accumulator32 = (s.shortBuffer[s.halfOffset++] << 16) | (s.accumulator32 >>> 16);
    s.bitOffset -= 16;
  }
  const code: number = readSymbol(tableGroup, tableIdx, s);
  const n: number = BLOCK_LENGTH_N_BITS[code];
  if (s.bitOffset >= 16) {
    s.accumulator32 = (s.shortBuffer[s.halfOffset++] << 16) | (s.accumulator32 >>> 16);
    s.bitOffset -= 16;
  }
  return BLOCK_LENGTH_OFFSET[code] + ((n <= 16) ? readFewBits(s, n) : readManyBits(s, n));
}
function moveToFront(v: Int32Array, index: number): void {
  let i: number = index;
  const value: number = v[i];