/**
* Initialise visitor.
*
* @param int $max_len preview maximum length (characters)
* @param T_Url $root root URL for links
*/
function __construct($max_len, T_Url $root)
{
parent::__construct($root);
$delimiter = '\\s' . preg_quote('.,?:;!');
$this->filter = new T_Filter_LimitedLengthText($max_len, $delimiter, ' ...', $this->filter);
$this->limiter = $this->filter;
// ^ the limiting filter reference is stored separately to add flexibility: other
// filters can be added (and indeed, the paragraph visitor modifies the filter
// already), but the link to the main limiter is not lost.
}
