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[autoinstallsdev/mediawiki.git] / vendor / oyejorge / less.php / lib / Less / Tree / Expression.php

diff --git a/vendor/oyejorge/less.php/lib/Less/Tree/Expression.php b/vendor/oyejorge/less.php/lib/Less/Tree/Expression.php
new file mode 100644 (file)
index 0000000..d834354
--- /dev/null
+++ b/vendor/oyejorge/less.php/lib/Less/Tree/Expression.php
@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * Expression
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Expression extends Less_Tree{
+
+       public $value = array();
+       public $parens = false;
+       public $parensInOp = false;
+       public $type = 'Expression';
+
+       public function __construct( $value, $parens = null ){
+               $this->value = $value;
+               $this->parens = $parens;
+       }
+
+    public function accept( $visitor ){
+               $this->value = $visitor->visitArray( $this->value );
+       }
+
+       public function compile($env) {
+
+               $doubleParen = false;
+
+               if( $this->parens && !$this->parensInOp ){
+                       Less_Environment::$parensStack++;
+               }
+
+               $returnValue = null;
+               if( $this->value ){
+
+                       $count = count($this->value);
+
+                       if( $count > 1 ){
+
+                               $ret = array();
+                               foreach($this->value as $e){
+                                       $ret[] = $e->compile($env);
+                               }
+                               $returnValue = new Less_Tree_Expression($ret);
+
+                       }else{
+
+                               if( ($this->value[0] instanceof Less_Tree_Expression) && $this->value[0]->parens && !$this->value[0]->parensInOp ){
+                                       $doubleParen = true;
+                               }
+
+                               $returnValue = $this->value[0]->compile($env);
+                       }
+
+               } else {
+                       $returnValue = $this;
+               }
+
+               if( $this->parens ){
+                       if( !$this->parensInOp ){
+                               Less_Environment::$parensStack--;
+
+                       }elseif( !Less_Environment::isMathOn() && !$doubleParen ){
+                               $returnValue = new Less_Tree_Paren($returnValue);
+
+                       }
+               }
+               return $returnValue;
+       }
+
+    /**
+     * @see Less_Tree::genCSS
+     */
+    public function genCSS( $output ){
+               $val_len = count($this->value);
+               for( $i = 0; $i < $val_len; $i++ ){
+                       $this->value[$i]->genCSS( $output );
+                       if( $i + 1 < $val_len ){
+                               $output->add( ' ' );
+                       }
+               }
+       }
+
+    public function throwAwayComments() {
+
+               if( is_array($this->value) ){
+                       $new_value = array();
+                       foreach($this->value as $v){
+                               if( $v instanceof Less_Tree_Comment ){
+                                       continue;
+                               }
+                               $new_value[] = $v;
+                       }
+                       $this->value = $new_value;
+               }
+       }
+}