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<?php /** * Extend * * @package Less * @subpackage tree */ class Less_Tree_Extend extends Less_Tree { public $selector; public $option; public $index; public $selfSelectors = array(); public $allowBefore; public $allowAfter; public $firstExtendOnThisSelectorPath; public $type = 'Extend'; public $ruleset; public $object_id; public $parent_ids = array(); /** * @param integer $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 = array( $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 Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index); } public function findSelfSelectors( $selectors ) { $selfElements = array(); 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 = array( new Less_Tree_Selector( $selfElements ) ); } }
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