/**
* Loads a DTD source file and parses string content.
* @method loadDtd
* @param string $filename Path to the DTD file.
* @return void
*/
public function loadDtd($filename = 'xhtml.dtd')
{
$this->source = FileUtils::loadFile($filename);
$this->parse();
$this->resolveEntities();
}
/**
* Loads a HTML source file and parses string content.
* @method loadDtd
* @param string $filename Path to the HTML source code file.
* @return void
*/
public function loadHtml($filename = 'site.xhtml')
{
$this->source = $this->prepareSource(FileUtils::loadFile($filename));
$this->topNodes = $this->parseNodes($this->source);
}