1 files changed, 90 insertions, 0 deletions
diff --git a/lib/less.php/Tree.php b/lib/less.php/Tree.php
new file mode 100644
index 0000000..6fb104b
--- /dev/null
+++ b/lib/less.php/Tree.php
@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * Tree
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree{
+
+	public $cache_string;
+
+	public function toCSS(){
+		$output = new Less_Output();
+		$this->genCSS($output);
+		return $output->toString();
+	}
+
+
+    /**
+     * Generate CSS by adding it to the output object
+     *
+     * @param Less_Output $output The output
+     * @return void
+     */
+    public function genCSS($output){}
+
+
+	/**
+	 * @param Less_Tree_Ruleset[] $rules
+	 */
+	public static function outputRuleset( $output, $rules ){
+
+		$ruleCnt = count($rules);
+		Less_Environment::$tabLevel++;
+
+
+		// Compressed
+		if( Less_Parser::$options['compress'] ){
+			$output->add('{');
+			for( $i = 0; $i < $ruleCnt; $i++ ){
+				$rules[$i]->genCSS( $output );
+			}
+
+			$output->add( '}' );
+			Less_Environment::$tabLevel--;
+			return;
+		}
+
+
+		// Non-compressed
+		$tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'] , Less_Environment::$tabLevel-1 );
+		$tabRuleStr = $tabSetStr.Less_Parser::$options['indentation'];
+
+		$output->add( " {" );
+		for($i = 0; $i < $ruleCnt; $i++ ){
+			$output->add( $tabRuleStr );
+			$rules[$i]->genCSS( $output );
+		}
+		Less_Environment::$tabLevel--;
+		$output->add( $tabSetStr.'}' );
+
+	}
+
+	public function accept($visitor){}
+
+
+	public static function ReferencedArray($rules){
+		foreach($rules as $rule){
+			if( method_exists($rule, 'markReferenced') ){
+				$rule->markReferenced();
+			}
+		}
+	}
+
+
+	/**
+	 * Requires php 5.3+
+	 */
+	public static function __set_state($args){
+
+		$class = get_called_class();
+		$obj = new $class(null,null,null,null);
+		foreach($args as $key => $val){
+			$obj->$key = $val;
+		}
+		return $obj;
+	}
+
+}