1 files changed, 95 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree.php b/vendor/wikimedia/less.php/lib/Less/Tree.php
new file mode 100644
index 0000000..f606b58
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree.php
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * Tree
+ *
+ * TODO: Callers often use `property_exists(, 'value')` to distinguish
+ * tree nodes that are considerd value-holding. Refactor this to move
+ * the 'value' property that most subclasses implement to there, and use
+ * something else (special value, method, or intermediate class?) to
+ * signal whether a subclass is considered value-holding.
+ */
+class Less_Tree {
+
+	public $cache_string;
+	public $parensInOp = false;
+	public $extendOnEveryPath;
+	public $allExtends;
+
+	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 ) {
+	}
+
+	public function compile( $env ) {
+		return $this;
+	}
+
+	/**
+	 * @param Less_Output $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' ) ) {
+				// @phan-suppress-next-line PhanUndeclaredMethod
+				$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;
+	}
+
+}