update less.php to PHP 7.x compatible fork

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/less.php/Tree/Element.php b/lib/less.php/Tree/Element.php
new file mode 100644
index 0000000..9cea5e4
--- /dev/null
+++ b/lib/less.php/Tree/Element.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * Element
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Element extends Less_Tree{
+
+	public $combinator = '';
+	public $value = '';
+	public $index;
+	public $currentFileInfo;
+	public $type = 'Element';
+
+	public $value_is_object = false;
+
+	public function __construct($combinator, $value, $index = null, $currentFileInfo = null ){
+
+		$this->value = $value;
+		$this->value_is_object = is_object($value);
+
+		if( $combinator ){
+			$this->combinator = $combinator;
+		}
+
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+    public function accept( $visitor ){
+		if( $this->value_is_object ){ //object or string
+			$this->value = $visitor->visitObj( $this->value );
+		}
+	}
+
+	public function compile($env){
+
+		if( Less_Environment::$mixin_stack ){
+			return new Less_Tree_Element($this->combinator, ($this->value_is_object ? $this->value->compile($env) : $this->value), $this->index, $this->currentFileInfo );
+		}
+
+		if( $this->value_is_object ){
+			$this->value = $this->value->compile($env);
+		}
+
+		return $this;
+	}
+
+    /**
+     * @see Less_Tree::genCSS
+     */
+	public function genCSS( $output ){
+		$output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
+	}
+
+	public function toCSS(){
+
+		if( $this->value_is_object ){
+			$value = $this->value->toCSS();
+		}else{
+			$value = $this->value;
+		}
+
+
+		if( $value === '' && $this->combinator && $this->combinator === '&' ){
+			return '';
+		}
+
+
+		return Less_Environment::$_outputMap[$this->combinator] . $value;
+	}
+
+}