vendor/oyejorge/less.php/lib/Less/Tree/Element.php

   1 <?php
   2
   3 /**
   4  * Element
   5  *
   6  * @package Less
   7  * @subpackage tree
   8  */
   9 class Less_Tree_Element extends Less_Tree{
  10
  11         public $combinator = '';
  12         public $value = '';
  13         public $index;
  14         public $currentFileInfo;
  15         public $type = 'Element';
  16
  17         public $value_is_object = false;
  18
  19         public function __construct($combinator, $value, $index = null, $currentFileInfo = null ){
  20
  21                 $this->value = $value;
  22                 $this->value_is_object = is_object($value);
  23
  24                 if( $combinator ){
  25                         $this->combinator = $combinator;
  26                 }
  27
  28                 $this->index = $index;
  29                 $this->currentFileInfo = $currentFileInfo;
  30         }
  31
  32     public function accept( $visitor ){
  33                 if( $this->value_is_object ){ //object or string
  34                         $this->value = $visitor->visitObj( $this->value );
  35                 }
  36         }
  37
  38         public function compile($env){
  39
  40                 if( Less_Environment::$mixin_stack ){
  41                         return new Less_Tree_Element($this->combinator, ($this->value_is_object ? $this->value->compile($env) : $this->value), $this->index, $this->currentFileInfo );
  42                 }
  43
  44                 if( $this->value_is_object ){
  45                         $this->value = $this->value->compile($env);
  46                 }
  47
  48                 return $this;
  49         }
  50
  51     /**
  52      * @see Less_Tree::genCSS
  53      */
  54         public function genCSS( $output ){
  55                 $output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
  56         }
  57
  58         public function toCSS(){
  59
  60                 if( $this->value_is_object ){
  61                         $value = $this->value->toCSS();
  62                 }else{
  63                         $value = $this->value;
  64                 }
  65
  66
  67                 if( $value === '' && $this->combinator && $this->combinator === '&' ){
  68                         return '';
  69                 }
  70
  71
  72                 return Less_Environment::$_outputMap[$this->combinator] . $value;
  73         }
  74
  75 }