lib/lessphp/Tree/Extend.php

   1 <?php
   2
   3 /**
   4  * Extend
   5  *
   6  * @package Less
   7  * @subpackage tree
   8  */
   9 class Less_Tree_Extend extends Less_Tree{
  10
  11         public $selector;
  12         public $option;
  13         public $index;
  14         public $selfSelectors = array();
  15         public $allowBefore;
  16         public $allowAfter;
  17         public $firstExtendOnThisSelectorPath;
  18         public $type = 'Extend';
  19         public $ruleset;
  20
  21
  22         public $object_id;
  23         public $parent_ids = array();
  24
  25         /**
  26          * @param integer $index
  27          */
  28         function __construct($selector, $option, $index){
  29                 static $i = 0;
  30                 $this->selector = $selector;
  31                 $this->option = $option;
  32                 $this->index = $index;
  33
  34                 switch($option){
  35                         case "all":
  36                                 $this->allowBefore = true;
  37                                 $this->allowAfter = true;
  38                         break;
  39                         default:
  40                                 $this->allowBefore = false;
  41                                 $this->allowAfter = false;
  42                         break;
  43                 }
  44
  45                 $this->object_id = $i++;
  46                 $this->parent_ids = array($this->object_id);
  47         }
  48
  49         function accept( $visitor ){
  50                 $this->selector = $visitor->visitObj( $this->selector );
  51         }
  52
  53         function compile( $env ){
  54                 Less_Parser::$has_extends = true;
  55                 $this->selector = $this->selector->compile($env);
  56                 return $this;
  57                 //return new Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index);
  58         }
  59
  60         function findSelfSelectors( $selectors ){
  61                 $selfElements = array();
  62
  63
  64                 for( $i = 0, $selectors_len = count($selectors); $i < $selectors_len; $i++ ){
  65                         $selectorElements = $selectors[$i]->elements;
  66                         // duplicate the logic in genCSS function inside the selector node.
  67                         // future TODO - move both logics into the selector joiner visitor
  68                         if( $i && $selectorElements && $selectorElements[0]->combinator === "") {
  69                                 $selectorElements[0]->combinator = ' ';
  70                         }
  71                         $selfElements = array_merge( $selfElements, $selectors[$i]->elements );
  72                 }
  73
  74                 $this->selfSelectors = array(new Less_Tree_Selector($selfElements));
  75         }
  76
  77 }