MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / vendor / oyejorge / less.php / lib / Less / Visitor / extendFinder.php

diff --git a/vendor/oyejorge/less.php/lib/Less/Visitor/extendFinder.php b/vendor/oyejorge/less.php/lib/Less/Visitor/extendFinder.php
new file mode 100644 (file)
index 0000000..22b3aac
--- /dev/null
+++ b/vendor/oyejorge/less.php/lib/Less/Visitor/extendFinder.php
@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * Extend Finder Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_extendFinder extends Less_Visitor{
+
+       public $contexts = array();
+       public $allExtendsStack;
+       public $foundExtends;
+
+       public function __construct(){
+               $this->contexts = array();
+               $this->allExtendsStack = array(array());
+               parent::__construct();
+       }
+
+       /**
+        * @param Less_Tree_Ruleset $root
+        */
+    public function run($root){
+               $root = $this->visitObj($root);
+               $root->allExtends =& $this->allExtendsStack[0];
+               return $root;
+       }
+
+    public function visitRule($ruleNode, &$visitDeeper ){
+               $visitDeeper = false;
+       }
+
+    public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ){
+               $visitDeeper = false;
+       }
+
+    public function visitRuleset($rulesetNode){
+
+               if( $rulesetNode->root ){
+                       return;
+               }
+
+               $allSelectorsExtendList = array();
+
+               // get &:extend(.a); rules which apply to all selectors in this ruleset
+               if( $rulesetNode->rules ){
+                       foreach($rulesetNode->rules as $rule){
+                               if( $rule instanceof Less_Tree_Extend ){
+                                       $allSelectorsExtendList[] = $rule;
+                                       $rulesetNode->extendOnEveryPath = true;
+                               }
+                       }
+               }
+
+
+               // now find every selector and apply the extends that apply to all extends
+               // and the ones which apply to an individual extend
+               foreach($rulesetNode->paths as $selectorPath){
+                       $selector = end($selectorPath); //$selectorPath[ count($selectorPath)-1];
+
+                       $j = 0;
+                       foreach($selector->extendList as $extend){
+                               $this->allExtendsStackPush($rulesetNode, $selectorPath, $extend, $j);
+                       }
+                       foreach($allSelectorsExtendList as $extend){
+                               $this->allExtendsStackPush($rulesetNode, $selectorPath, $extend, $j);
+                       }
+               }
+
+               $this->contexts[] = $rulesetNode->selectors;
+       }
+
+    public function allExtendsStackPush($rulesetNode, $selectorPath, $extend, &$j){
+               $this->foundExtends = true;
+               $extend = clone $extend;
+               $extend->findSelfSelectors( $selectorPath );
+               $extend->ruleset = $rulesetNode;
+               if( $j === 0 ){
+                       $extend->firstExtendOnThisSelectorPath = true;
+               }
+
+               $end_key = count($this->allExtendsStack)-1;
+               $this->allExtendsStack[$end_key][] = $extend;
+               $j++;
+       }
+
+
+    public function visitRulesetOut( $rulesetNode ){
+               if( !is_object($rulesetNode) || !$rulesetNode->root ){
+                       array_pop($this->contexts);
+               }
+       }
+
+    public function visitMedia( $mediaNode ){
+               $mediaNode->allExtends = array();
+               $this->allExtendsStack[] =& $mediaNode->allExtends;
+       }
+
+    public function visitMediaOut(){
+               array_pop($this->allExtendsStack);
+       }
+
+    public function visitDirective( $directiveNode ){
+               $directiveNode->allExtends = array();
+               $this->allExtendsStack[] =& $directiveNode->allExtends;
+       }
+
+    public function visitDirectiveOut(){
+               array_pop($this->allExtendsStack);
+       }
+}
+
+