--- /dev/null
+<?php
+
+/**
+ * Attribute
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Attribute extends Less_Tree{
+
+ public $key;
+ public $op;
+ public $value;
+ public $type = 'Attribute';
+
+ public function __construct($key, $op, $value){
+ $this->key = $key;
+ $this->op = $op;
+ $this->value = $value;
+ }
+
+ public function compile($env){
+
+ $key_obj = is_object($this->key);
+ $val_obj = is_object($this->value);
+
+ if( !$key_obj && !$val_obj ){
+ return $this;
+ }
+
+ return new Less_Tree_Attribute(
+ $key_obj ? $this->key->compile($env) : $this->key ,
+ $this->op,
+ $val_obj ? $this->value->compile($env) : $this->value);
+ }
+
+ /**
+ * @see Less_Tree::genCSS
+ */
+ public function genCSS( $output ){
+ $output->add( $this->toCSS() );
+ }
+
+ public function toCSS(){
+ $value = $this->key;
+
+ if( $this->op ){
+ $value .= $this->op;
+ $value .= (is_object($this->value) ? $this->value->toCSS() : $this->value);
+ }
+
+ return '[' . $value . ']';
+ }
+}
\ No newline at end of file