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