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diff --git a/vendor/oyejorge/less.php/lib/Less/Tree/Unit.php b/vendor/oyejorge/less.php/lib/Less/Tree/Unit.php
new file mode 100644 (file)
index 0000000..e13b100
--- /dev/null
+++ b/vendor/oyejorge/less.php/lib/Less/Tree/Unit.php
@@ -0,0 +1,147 @@
+<?php
+
+/**
+ * Unit
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Unit extends Less_Tree{
+
+       var $numerator = array();
+       var $denominator = array();
+       public $backupUnit;
+       public $type = 'Unit';
+
+    public function __construct($numerator = array(), $denominator = array(), $backupUnit = null ){
+               $this->numerator = $numerator;
+               $this->denominator = $denominator;
+               $this->backupUnit = $backupUnit;
+       }
+
+    public function __clone(){
+       }
+
+    /**
+     * @see Less_Tree::genCSS
+     */
+    public function genCSS( $output ){
+
+               if( $this->numerator ){
+                       $output->add( $this->numerator[0] );
+               }elseif( $this->denominator ){
+                       $output->add( $this->denominator[0] );
+               }elseif( !Less_Parser::$options['strictUnits'] && $this->backupUnit ){
+                       $output->add( $this->backupUnit );
+                       return ;
+               }
+       }
+
+    public function toString(){
+               $returnStr = implode('*',$this->numerator);
+               foreach($this->denominator as $d){
+                       $returnStr .= '/'.$d;
+               }
+               return $returnStr;
+       }
+
+    public function __toString(){
+               return $this->toString();
+       }
+
+
+       /**
+        * @param Less_Tree_Unit $other
+        */
+    public function compare($other) {
+               return $this->is( $other->toString() ) ? 0 : -1;
+       }
+
+    public function is($unitString){
+               return $this->toString() === $unitString;
+       }
+
+    public function isLength(){
+               $css = $this->toCSS();
+               return !!preg_match('/px|em|%|in|cm|mm|pc|pt|ex/',$css);
+       }
+
+    public function isAngle() {
+               return isset( Less_Tree_UnitConversions::$angle[$this->toCSS()] );
+       }
+
+    public function isEmpty(){
+               return !$this->numerator && !$this->denominator;
+       }
+
+    public function isSingular() {
+               return count($this->numerator) <= 1 && !$this->denominator;
+       }
+
+
+    public function usedUnits(){
+               $result = array();
+
+               foreach(Less_Tree_UnitConversions::$groups as $groupName){
+                       $group = Less_Tree_UnitConversions::${$groupName};
+
+                       foreach($this->numerator as $atomicUnit){
+                               if( isset($group[$atomicUnit]) && !isset($result[$groupName]) ){
+                                       $result[$groupName] = $atomicUnit;
+                               }
+                       }
+
+                       foreach($this->denominator as $atomicUnit){
+                               if( isset($group[$atomicUnit]) && !isset($result[$groupName]) ){
+                                       $result[$groupName] = $atomicUnit;
+                               }
+                       }
+               }
+
+               return $result;
+       }
+
+    public function cancel(){
+               $counter = array();
+               $backup = null;
+
+               foreach($this->numerator as $atomicUnit){
+                       if( !$backup ){
+                               $backup = $atomicUnit;
+                       }
+                       $counter[$atomicUnit] = ( isset($counter[$atomicUnit]) ? $counter[$atomicUnit] : 0) + 1;
+               }
+
+               foreach($this->denominator as $atomicUnit){
+                       if( !$backup ){
+                               $backup = $atomicUnit;
+                       }
+                       $counter[$atomicUnit] = ( isset($counter[$atomicUnit]) ? $counter[$atomicUnit] : 0) - 1;
+               }
+
+               $this->numerator = array();
+               $this->denominator = array();
+
+               foreach($counter as $atomicUnit => $count){
+                       if( $count > 0 ){
+                               for( $i = 0; $i < $count; $i++ ){
+                                       $this->numerator[] = $atomicUnit;
+                               }
+                       }elseif( $count < 0 ){
+                               for( $i = 0; $i < -$count; $i++ ){
+                                       $this->denominator[] = $atomicUnit;
+                               }
+                       }
+               }
+
+               if( !$this->numerator && !$this->denominator && $backup ){
+                       $this->backupUnit = $backup;
+               }
+
+               sort($this->numerator);
+               sort($this->denominator);
+       }
+
+
+}
+