1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php
new file mode 100644
index 0000000..362e284
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * @private
+ */
+class Less_Tree_Extend extends Less_Tree {
+
+	public $selector;
+	public $option;
+	public $index;
+	public $selfSelectors = [];
+	public $allowBefore;
+	public $allowAfter;
+	public $firstExtendOnThisSelectorPath;
+	public $type = 'Extend';
+	public $ruleset;
+
+	public $object_id;
+	public $parent_ids = [];
+
+	/**
+	 * @param int $index
+	 */
+	public function __construct( $selector, $option, $index ) {
+		static $i = 0;
+		$this->selector = $selector;
+		$this->option = $option;
+		$this->index = $index;
+
+		switch ( $option ) {
+			case "all":
+				$this->allowBefore = true;
+				$this->allowAfter = true;
+				break;
+			default:
+				$this->allowBefore = false;
+				$this->allowAfter = false;
+				break;
+		}
+
+		// This must use a string (instead of int) so that array_merge()
+		// preserves keys on arrays that use IDs in their keys.
+		$this->object_id = 'id_' . $i++;
+
+		$this->parent_ids = [
+			$this->object_id => true
+		];
+	}
+
+	public function accept( $visitor ) {
+		$this->selector = $visitor->visitObj( $this->selector );
+	}
+
+	public function compile( $env ) {
+		Less_Parser::$has_extends = true;
+		$this->selector = $this->selector->compile( $env );
+		return $this;
+		// return new Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index);
+	}
+
+	public function findSelfSelectors( $selectors ) {
+		$selfElements = [];
+
+		for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) {
+			$selectorElements = $selectors[$i]->elements;
+			// duplicate the logic in genCSS function inside the selector node.
+			// future TODO - move both logics into the selector joiner visitor
+			if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) {
+				$selectorElements[0]->combinator = ' ';
+			}
+			$selfElements = array_merge( $selfElements, $selectors[$i]->elements );
+		}
+
+		$this->selfSelectors = [ new Less_Tree_Selector( $selfElements ) ];
+	}
+
+}