<?php
/**
* Element
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Element extends Less_Tree{
public $combinator = '';
public $value = '';
public $index;
public $currentFileInfo;
public $type = 'Element';
public $value_is_object = false;
public function __construct($combinator, $value, $index = null, $currentFileInfo = null ){
$this->value = $value;
$this->value_is_object = is_object($value);
if( $combinator ){
$this->combinator = $combinator;
}
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
public function accept( $visitor ){
if( $this->value_is_object ){ //object or string
$this->value = $visitor->visitObj( $this->value );
}
}
public function compile($env){
if( Less_Environment::$mixin_stack ){
return new Less_Tree_Element($this->combinator, ($this->value_is_object ? $this->value->compile($env) : $this->value), $this->index, $this->currentFileInfo );
}
if( $this->value_is_object ){
$this->value = $this->value->compile($env);
}
return $this;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ){
$output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
}
public function toCSS(){
if( $this->value_is_object ){
$value = $this->value->toCSS();
}else{
$value = $this->value;
}
if( $value === '' && $this->combinator && $this->combinator === '&' ){
return '';
}
return Less_Environment::$_outputMap[$this->combinator] . $value;
}
}