protected function readSectionSize(SeekableIterator $it)
{
$it->seek($this->start_line);
if (!$it->valid()) {
throw new phpMorphy_Mrd_Exception("Can`t read section size, iterator not valid");
}
$size = trim($it->current());
if (!preg_match('~^[0-9]+$~', $size)) {
throw new phpMorphy_Mrd_Exception("Invalid section size: {$size}");
}
return (int) $size;
}
/**
* Seeks the pointer.
*
* @param int $pointer
*/
public function seek($pointer)
{
$this->iterator->seek($pointer);
}