1 files changed, 68 insertions, 0 deletions
diff --git a/library/vendor/lessphp/lib/Less/Visitor/joinSelector.php b/library/vendor/lessphp/lib/Less/Visitor/joinSelector.php
new file mode 100644
index 0000000..bb08ece
--- /dev/null
+++ b/library/vendor/lessphp/lib/Less/Visitor/joinSelector.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * Join Selector Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_joinSelector extends Less_Visitor {
+
+	public $contexts = array( array() );
+
+	/**
+	 * @param Less_Tree_Ruleset $root
+	 */
+	public function run( $root ) {
+		return $this->visitObj( $root );
+	}
+
+	public function visitRule( $ruleNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitRuleset( $rulesetNode ) {
+		$paths = array();
+
+		if ( !$rulesetNode->root ) {
+			$selectors = array();
+
+			if ( $rulesetNode->selectors && $rulesetNode->selectors ) {
+				foreach ( $rulesetNode->selectors as $selector ) {
+					if ( $selector->getIsOutput() ) {
+						$selectors[] = $selector;
+					}
+				}
+			}
+
+			if ( !$selectors ) {
+				$rulesetNode->selectors = null;
+				$rulesetNode->rules = null;
+			} else {
+				$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
+				$paths = $rulesetNode->joinSelectors( $context, $selectors );
+			}
+
+			$rulesetNode->paths = $paths;
+		}
+
+		$this->contexts[] = $paths; // different from less.js. Placed after joinSelectors() so that $this->contexts will get correct $paths
+	}
+
+	public function visitRulesetOut() {
+		array_pop( $this->contexts );
+	}
+
+	public function visitMedia( $mediaNode ) {
+		$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
+
+		if ( !count( $context ) || ( is_object( $context[0] ) && $context[0]->multiMedia ) ) {
+			$mediaNode->rules[0]->root = true;
+		}
+	}
+
+}