diff options
Diffstat (limited to '')
| -rw-r--r-- | lib/less.php/Tree/Media.php | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/lib/less.php/Tree/Media.php b/lib/less.php/Tree/Media.php deleted file mode 100644 index f9ee9d4..0000000 --- a/lib/less.php/Tree/Media.php +++ /dev/null @@ -1,179 +0,0 @@ -<?php - -/** - * Media - * - * @package Less - * @subpackage tree - */ -class Less_Tree_Media extends Less_Tree{ - - public $features; - public $rules; - public $index; - public $currentFileInfo; - public $isReferenced; - public $type = 'Media'; - - public function __construct($value = array(), $features = array(), $index = null, $currentFileInfo = null ){ - - $this->index = $index; - $this->currentFileInfo = $currentFileInfo; - - $selectors = $this->emptySelectors(); - - $this->features = new Less_Tree_Value($features); - - $this->rules = array(new Less_Tree_Ruleset($selectors, $value)); - $this->rules[0]->allowImports = true; - } - - public function accept( $visitor ){ - $this->features = $visitor->visitObj($this->features); - $this->rules = $visitor->visitArray($this->rules); - } - - /** - * @see Less_Tree::genCSS - */ - public function genCSS( $output ){ - - $output->add( '@media ', $this->currentFileInfo, $this->index ); - $this->features->genCSS( $output ); - Less_Tree::outputRuleset( $output, $this->rules); - - } - - public function compile($env) { - - $media = new Less_Tree_Media(array(), array(), $this->index, $this->currentFileInfo ); - - $strictMathBypass = false; - if( Less_Parser::$options['strictMath'] === false) { - $strictMathBypass = true; - Less_Parser::$options['strictMath'] = true; - } - - $media->features = $this->features->compile($env); - - if( $strictMathBypass ){ - Less_Parser::$options['strictMath'] = false; - } - - $env->mediaPath[] = $media; - $env->mediaBlocks[] = $media; - - array_unshift($env->frames, $this->rules[0]); - $media->rules = array($this->rules[0]->compile($env)); - array_shift($env->frames); - - array_pop($env->mediaPath); - - return !$env->mediaPath ? $media->compileTop($env) : $media->compileNested($env); - } - - public function variable($name) { - return $this->rules[0]->variable($name); - } - - public function find($selector) { - return $this->rules[0]->find($selector, $this); - } - - public function emptySelectors(){ - $el = new Less_Tree_Element('','&', $this->index, $this->currentFileInfo ); - $sels = array( new Less_Tree_Selector(array($el), array(), null, $this->index, $this->currentFileInfo) ); - $sels[0]->mediaEmpty = true; - return $sels; - } - - public function markReferenced(){ - $this->rules[0]->markReferenced(); - $this->isReferenced = true; - Less_Tree::ReferencedArray($this->rules[0]->rules); - } - - // evaltop - public function compileTop($env) { - $result = $this; - - if (count($env->mediaBlocks) > 1) { - $selectors = $this->emptySelectors(); - $result = new Less_Tree_Ruleset($selectors, $env->mediaBlocks); - $result->multiMedia = true; - } - - $env->mediaBlocks = array(); - $env->mediaPath = array(); - - return $result; - } - - public function compileNested($env) { - $path = array_merge($env->mediaPath, array($this)); - - // Extract the media-query conditions separated with `,` (OR). - foreach ($path as $key => $p) { - $value = $p->features instanceof Less_Tree_Value ? $p->features->value : $p->features; - $path[$key] = is_array($value) ? $value : array($value); - } - - // Trace all permutations to generate the resulting media-query. - // - // (a, b and c) with nested (d, e) -> - // a and d - // a and e - // b and c and d - // b and c and e - - $permuted = $this->permute($path); - $expressions = array(); - foreach($permuted as $path){ - - for( $i=0, $len=count($path); $i < $len; $i++){ - $path[$i] = Less_Parser::is_method($path[$i], 'toCSS') ? $path[$i] : new Less_Tree_Anonymous($path[$i]); - } - - for( $i = count($path) - 1; $i > 0; $i-- ){ - array_splice($path, $i, 0, array(new Less_Tree_Anonymous('and'))); - } - - $expressions[] = new Less_Tree_Expression($path); - } - $this->features = new Less_Tree_Value($expressions); - - - - // Fake a tree-node that doesn't output anything. - return new Less_Tree_Ruleset(array(), array()); - } - - public function permute($arr) { - if (!$arr) - return array(); - - if (count($arr) == 1) - return $arr[0]; - - $result = array(); - $rest = $this->permute(array_slice($arr, 1)); - foreach ($rest as $r) { - foreach ($arr[0] as $a) { - $result[] = array_merge( - is_array($a) ? $a : array($a), - is_array($r) ? $r : array($r) - ); - } - } - - return $result; - } - - public function bubbleSelectors($selectors) { - - if( !$selectors) return; - - $this->rules = array(new Less_Tree_Ruleset( $selectors, array($this->rules[0]))); - } - -} |