/**
* @param string $tag
* @param int $lineNumber
* @param int $offset
*
* @return BlockElement
*/
protected function addChild($tag, $lineNumber, $offset)
{
while (!$this->tip->canContain($tag)) {
$this->finalize($this->tip, $lineNumber);
}
$columnNumber = $offset + 1;
// offset 0 = column 1
$newBlock = new CommonMark_Element_BlockElement($tag, $lineNumber, $columnNumber);
$this->tip->getChildren()->add($newBlock);
$newBlock->setParent($this->tip);
$this->tip = $newBlock;
return $newBlock;
}
