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<?php
/**
* @private
*/
class Less_Tree_Extend extends Less_Tree {
public $selector;
public $option;
public $index;
public $selfSelectors = [];
public $allowBefore;
public $allowAfter;
public $firstExtendOnThisSelectorPath;
public $ruleset;
public $object_id;
public $parent_ids = [];
/**
* @param Less_Tree_Selector $selector
* @param string $option
* @param int $index
*/
public function __construct( $selector, $option, $index ) {
static $i = 0;
$this->selector = $selector;
$this->option = $option;
$this->index = $index;
switch ( $option ) {
case "all":
$this->allowBefore = true;
$this->allowAfter = true;
break;
default:
$this->allowBefore = false;
$this->allowAfter = false;
break;
}
// This must use a string (instead of int) so that array_merge()
// preserves keys on arrays that use IDs in their keys.
$this->object_id = 'id_' . $i++;
$this->parent_ids = [
$this->object_id => true
];
}
public function accept( $visitor ) {
$this->selector = $visitor->visitObj( $this->selector );
}
public function compile( $env ) {
Less_Parser::$has_extends = true;
$this->selector = $this->selector->compile( $env );
return $this;
// return new self( $this->selector->compile($env), $this->option, $this->index);
}
public function clone() {
return new self( $this->selector, $this->option, $this->index );
}
public function findSelfSelectors( $selectors ) {
$selfElements = [];
for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) {
$selectorElements = $selectors[$i]->elements;
// duplicate the logic in genCSS function inside the selector node.
// future TODO - move both logics into the selector joiner visitor
if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) {
$selectorElements[0]->combinator = ' ';
}
$selfElements = array_merge( $selfElements, $selectors[$i]->elements );
}
$this->selfSelectors = [ new Less_Tree_Selector( $selfElements ) ];
}
}
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