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| 1 | <?php |
| 2 | /** |
| 3 | * @private |
| 4 | */ |
| 5 | class Less_Tree_Extend extends Less_Tree { |
| 6 | |
| 7 | public $selector; |
| 8 | public $option; |
| 9 | public $index; |
| 10 | public $selfSelectors = []; |
| 11 | public $allowBefore; |
| 12 | public $allowAfter; |
| 13 | public $firstExtendOnThisSelectorPath; |
| 14 | public $ruleset; |
| 15 | |
| 16 | public $object_id; |
| 17 | public $parent_ids = []; |
| 18 | |
| 19 | /** |
| 20 | * @param Less_Tree_Selector $selector |
| 21 | * @param string $option |
| 22 | * @param int $index |
| 23 | */ |
| 24 | public function __construct( $selector, $option, $index ) { |
| 25 | static $i = 0; |
| 26 | $this->selector = $selector; |
| 27 | $this->option = $option; |
| 28 | $this->index = $index; |
| 29 | |
| 30 | switch ( $option ) { |
| 31 | case "all": |
| 32 | $this->allowBefore = true; |
| 33 | $this->allowAfter = true; |
| 34 | break; |
| 35 | default: |
| 36 | $this->allowBefore = false; |
| 37 | $this->allowAfter = false; |
| 38 | break; |
| 39 | } |
| 40 | |
| 41 | // This must use a string (instead of int) so that array_merge() |
| 42 | // preserves keys on arrays that use IDs in their keys. |
| 43 | $this->object_id = 'id_' . $i++; |
| 44 | |
| 45 | $this->parent_ids = [ |
| 46 | $this->object_id => true |
| 47 | ]; |
| 48 | } |
| 49 | |
| 50 | public function accept( $visitor ) { |
| 51 | $this->selector = $visitor->visitObj( $this->selector ); |
| 52 | } |
| 53 | |
| 54 | public function compile( $env ) { |
| 55 | Less_Parser::$has_extends = true; |
| 56 | $this->selector = $this->selector->compile( $env ); |
| 57 | return $this; |
| 58 | // return new self( $this->selector->compile($env), $this->option, $this->index); |
| 59 | } |
| 60 | |
| 61 | public function clone() { |
| 62 | return new self( $this->selector, $this->option, $this->index ); |
| 63 | } |
| 64 | |
| 65 | public function findSelfSelectors( $selectors ) { |
| 66 | $selfElements = []; |
| 67 | |
| 68 | for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) { |
| 69 | $selectorElements = $selectors[$i]->elements; |
| 70 | // duplicate the logic in genCSS function inside the selector node. |
| 71 | // future TODO - move both logics into the selector joiner visitor |
| 72 | if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) { |
| 73 | $selectorElements[0]->combinator = ' '; |
| 74 | } |
| 75 | $selfElements = array_merge( $selfElements, $selectors[$i]->elements ); |
| 76 | } |
| 77 | |
| 78 | $this->selfSelectors = [ new Less_Tree_Selector( $selfElements ) ]; |
| 79 | } |
| 80 | |
| 81 | } |