qrcode.chapril.org-libreqr/less.php/lib/Less/Visitor.php
2021-02-15 21:29:38 +01:00

47 lines
876 B
PHP

<?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;
}
}