diff options
Diffstat (limited to 'vendor/wikimedia/less.php/lib/Less/Tree/Selector.php')
| -rw-r--r-- | vendor/wikimedia/less.php/lib/Less/Tree/Selector.php | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php new file mode 100644 index 0000000..71182da --- /dev/null +++ b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php @@ -0,0 +1,169 @@ +<?php +/** + * @private + */ +class Less_Tree_Selector extends Less_Tree { + + public $elements; + public $condition; + public $extendList = []; + public $_css; + public $index; + public $evaldCondition = false; + public $type = 'Selector'; + public $currentFileInfo = []; + public $isReferenced; + public $mediaEmpty; + + public $elements_len = 0; + + public $_oelements; + public $_oelements_assoc; + public $_oelements_len; + public $cacheable = true; + + /** + * @param bool $isReferenced + */ + public function __construct( $elements, $extendList = [], $condition = null, $index = null, $currentFileInfo = null, $isReferenced = null ) { + $this->elements = $elements; + $this->elements_len = count( $elements ); + $this->extendList = $extendList; + $this->condition = $condition; + if ( $currentFileInfo ) { + $this->currentFileInfo = $currentFileInfo; + } + $this->isReferenced = $isReferenced; + if ( !$condition ) { + $this->evaldCondition = true; + } + + $this->CacheElements(); + } + + public function accept( $visitor ) { + $this->elements = $visitor->visitArray( $this->elements ); + $this->extendList = $visitor->visitArray( $this->extendList ); + if ( $this->condition ) { + $this->condition = $visitor->visitObj( $this->condition ); + } + + if ( $visitor instanceof Less_Visitor_extendFinder ) { + $this->CacheElements(); + } + } + + public function createDerived( $elements, $extendList = null, $evaldCondition = null ) { + $newSelector = new Less_Tree_Selector( + $elements, + ( $extendList ?: $this->extendList ), + null, + $this->index, + $this->currentFileInfo, + $this->isReferenced + ); + $newSelector->evaldCondition = $evaldCondition ?: $this->evaldCondition; + $newSelector->mediaEmpty = $this->mediaEmpty; + return $newSelector; + } + + public function match( $other ) { + if ( !$other->_oelements || ( $this->elements_len < $other->_oelements_len ) ) { + return 0; + } + + for ( $i = 0; $i < $other->_oelements_len; $i++ ) { + if ( $this->elements[$i]->value !== $other->_oelements[$i] ) { + return 0; + } + } + + return $other->_oelements_len; // return number of matched elements + } + + public function CacheElements() { + $this->_oelements = []; + $this->_oelements_assoc = []; + + $css = ''; + + foreach ( $this->elements as $v ) { + + $css .= $v->combinator; + if ( !$v->value_is_object ) { + $css .= $v->value; + continue; + } + + if ( !property_exists( $v->value, 'value' ) || !is_string( $v->value->value ) ) { + $this->cacheable = false; + return; + } + $css .= $v->value->value; + } + + $this->_oelements_len = preg_match_all( '/[,&#\.\w-](?:[\w-]|(?:\\\\.))*/', $css, $matches ); + if ( $this->_oelements_len ) { + $this->_oelements = $matches[0]; + + if ( $this->_oelements[0] === '&' ) { + array_shift( $this->_oelements ); + $this->_oelements_len--; + } + + $this->_oelements_assoc = array_fill_keys( $this->_oelements, true ); + } + } + + public function isJustParentSelector() { + return !$this->mediaEmpty && + count( $this->elements ) === 1 && + $this->elements[0]->value === '&' && + ( $this->elements[0]->combinator === ' ' || $this->elements[0]->combinator === '' ); + } + + public function compile( $env ) { + $elements = []; + foreach ( $this->elements as $el ) { + $elements[] = $el->compile( $env ); + } + + $extendList = []; + foreach ( $this->extendList as $el ) { + $extendList[] = $el->compile( $el ); + } + + $evaldCondition = false; + if ( $this->condition ) { + $evaldCondition = $this->condition->compile( $env ); + } + + return $this->createDerived( $elements, $extendList, $evaldCondition ); + } + + /** + * @see Less_Tree::genCSS + */ + public function genCSS( $output, $firstSelector = true ) { + if ( !$firstSelector && $this->elements[0]->combinator === "" ) { + $output->add( ' ', $this->currentFileInfo, $this->index ); + } + + foreach ( $this->elements as $element ) { + $element->genCSS( $output ); + } + } + + public function markReferenced() { + $this->isReferenced = true; + } + + public function getIsReferenced() { + return !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] || $this->isReferenced; + } + + public function getIsOutput() { + return $this->evaldCondition; + } + +} |