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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 .= "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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