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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;
}
}
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