protected function unpackImpl(TreasureData_API_Stream_InputStream $stream, $callback = null)
{
$unpacker = new MessagePackUnpacker();
$result = array();
$offset = 0;
$flag = true;
$call = false;
if (is_callable($callback)) {
$call = true;
$result = true;
}
while (true) {
if ($flag) {
$buffer = $stream->read();
$flag = false;
}
if (empty($buffer)) {
break;
}
if ($unpacker->execute($buffer, $offset)) {
if ($call) {
call_user_func_array($callback, array($unpacker->data()));
} else {
$result[] = $unpacker->data();
}
$unpacker->reset();
$buffer = substr($buffer, $offset);
$offset = 0;
if (empty($buffer)) {
$flag = true;
continue;
}
}
}
return $result;
}
