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<?php
/**
* Join Selector Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor_joinSelector extends Less_Visitor{
public $contexts = array( array() );
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ){
return $this->visitObj($root);
}
public function visitRule( $ruleNode, &$visitDeeper ){
$visitDeeper = false;
}
public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ){
$visitDeeper = false;
}
public function visitRuleset( $rulesetNode ){
$paths = array();
if( !$rulesetNode->root ){
$selectors = array();
if( $rulesetNode->selectors && $rulesetNode->selectors ){
foreach($rulesetNode->selectors as $selector){
if( $selector->getIsOutput() ){
$selectors[] = $selector;
}
}
}
if( !$selectors ){
$rulesetNode->selectors = null;
$rulesetNode->rules = null;
}else{
$context = end($this->contexts); //$context = $this->contexts[ count($this->contexts) - 1];
$paths = $rulesetNode->joinSelectors( $context, $selectors);
}
$rulesetNode->paths = $paths;
}
$this->contexts[] = $paths; //different from less.js. Placed after joinSelectors() so that $this->contexts will get correct $paths
}
public function visitRulesetOut(){
array_pop($this->contexts);
}
public function visitMedia($mediaNode) {
$context = end($this->contexts); //$context = $this->contexts[ count($this->contexts) - 1];
if( !count($context) || (is_object($context[0]) && $context[0]->multiMedia) ){
$mediaNode->rules[0]->root = true;
}
}
}
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