private function streamFileData($stream, $compress, $level)
{
$dataLength = Count64::construct(0, !$this->zip64);
$gzLength = Count64::construct(0, !$this->zip64);
$hashCtx = hash_init('crc32b');
if (COMPR::DEFLATE === $compress) {
$compStream = DeflateStream::create($level);
}
while (!feof($stream)) {
$data = fread($stream, self::STREAM_CHUNK_SIZE);
$dataLength->add(strlen($data));
hash_update($hashCtx, $data);
if (COMPR::DEFLATE === $compress) {
$data = $compStream->update($data);
}
$gzLength->add(strlen($data));
$this->write($data);
$this->flush();
}
if (COMPR::DEFLATE === $compress) {
$data = $compStream->finish();
$gzLength->add(strlen($data));
$this->write($data);
$this->flush();
}
$crc = unpack('N', hash_final($hashCtx, true));
return array($dataLength, $gzLength, $crc[1]);
}
