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 | <?php
/**
 * Visitor
 *
 * @package Less
 * @subpackage visitor
 */
class Less_Visitor{
	protected $methods = array();
	protected $_visitFnCache = array();
	public function __construct(){
		$this->_visitFnCache = get_class_methods(get_class($this));
		$this->_visitFnCache = array_flip($this->_visitFnCache);
	}
	public function visitObj( $node ){
		$funcName = 'visit'.$node->type;
		if( isset($this->_visitFnCache[$funcName]) ){
			$visitDeeper = true;
			$this->$funcName( $node, $visitDeeper );
			if( $visitDeeper ){
				$node->accept($this);
			}
			$funcName = $funcName . "Out";
			if( isset($this->_visitFnCache[$funcName]) ){
				$this->$funcName( $node );
			}
		}else{
			$node->accept($this);
		}
		return $node;
	}
	public function visitArray( $nodes ){
		array_map( array($this,'visitObj'), $nodes);
		return $nodes;
	}
}
 |