diff options
Diffstat (limited to 'vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php')
-rw-r--r-- | vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php new file mode 100644 index 0000000..a106830 --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php @@ -0,0 +1,67 @@ +<?php +/** + * @private + */ +class Less_Visitor_joinSelector extends Less_Visitor { + + public $contexts = [ [] ]; + + /** + * @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 ) { + $context = end( $this->contexts ); + $paths = []; + + if ( !$rulesetNode->root ) { + $selectors = $rulesetNode->selectors; + if ( $selectors !== null ) { + $filtered = []; + foreach ( $selectors as $selector ) { + if ( $selector->getIsOutput() ) { + $filtered[] = $selector; + } + } + $selectors = $rulesetNode->selectors = $filtered ?: null; + if ( $selectors ) { + $paths = $rulesetNode->joinSelectors( $context, $selectors ); + } + } + + if ( $selectors === null ) { + $rulesetNode->rules = null; + } + + $rulesetNode->paths = $paths; + } + + // NOTE: Assigned here instead of at the start like less.js, + // because PHP arrays aren't by-ref + $this->contexts[] = $paths; + } + + public function visitRulesetOut() { + array_pop( $this->contexts ); + } + + public function visitMedia( $mediaNode ) { + $context = end( $this->contexts ); + + if ( count( $context ) === 0 || ( is_object( $context[0] ) && $context[0]->multiMedia ) ) { + $mediaNode->rules[0]->root = true; + } + } + +} |