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<?php
/**
* Replacing Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_VisitorReplacing extends Less_Visitor{
public function visitObj( $node ){
$funcName = 'visit'.$node->type;
if( isset($this->_visitFnCache[$funcName]) ){
$visitDeeper = true;
$node = $this->$funcName( $node, $visitDeeper );
if( $node ){
if( $visitDeeper && is_object($node) ){
$node->accept($this);
}
$funcName = $funcName . "Out";
if( isset($this->_visitFnCache[$funcName]) ){
$this->$funcName( $node );
}
}
}else{
$node->accept($this);
}
return $node;
}
public function visitArray( $nodes ){
$newNodes = array();
foreach($nodes as $node){
$evald = $this->visitObj($node);
if( $evald ){
if( is_array($evald) ){
self::flatten($evald,$newNodes);
}else{
$newNodes[] = $evald;
}
}
}
return $newNodes;
}
public function flatten( $arr, &$out ){
foreach($arr as $item){
if( !is_array($item) ){
$out[] = $item;
continue;
}
foreach($item as $nestedItem){
if( is_array($nestedItem) ){
self::flatten( $nestedItem, $out);
}else{
$out[] = $nestedItem;
}
}
}
return $out;
}
}
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