public function withoutFirstNBytes()

in src/unparsed-blocks/Lines.php [151:180]

• 29 lines of code
• 5 McCabe index (conditional complexity)

  public function withoutFirstNBytes(
    int $count,
  ): Lines {
    $lines = $this->lines;
    while ($count > 0) {
      list($offset, $line) = C\firstx($lines);

      $len = Str\length($line);
      if ($count > $len) {
        $count -= $len + 1; // +1 for "\n"
        $lines = Vec\drop($lines, 1);
        continue;
      }
      if ($count === $len) {
        $lines = Vec\concat(
          vec[tuple($offset + $count, '')],
          Vec\drop($lines, 1),
        );
        break;
      }
      if ($count <= $len) {
        $lines = Vec\concat(
          vec[tuple($offset + $count, Str\slice($line, $count))],
          Vec\drop($lines, 1),
        );
        break;
      }
    }
    return new self($lines);
  }