80 lines
1.9 KiB
PHP
80 lines
1.9 KiB
PHP
<?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 ) );
|
|
}
|
|
|
|
}
|