From 7ad9f272a482802da2d43fe83841adbe9bcd8cb4 Mon Sep 17 00:00:00 2001
From: derchris
Date: Sat, 2 Feb 2019 15:35:30 +0100
Subject: update less.php to PHP 7.x compatible fork

---
 lib/less.php/Tree/Operation.php | 70 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 lib/less.php/Tree/Operation.php

(limited to 'lib/less.php/Tree/Operation.php')

diff --git a/lib/less.php/Tree/Operation.php b/lib/less.php/Tree/Operation.php
new file mode 100644
index 0000000..e69e0da
--- /dev/null
+++ b/lib/less.php/Tree/Operation.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Operation
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Operation extends Less_Tree{
+
+	public $op;
+	public $operands;
+	public $isSpaced;
+	public $type = 'Operation';
+
+	/**
+	 * @param string $op
+	 */
+	public function __construct($op, $operands, $isSpaced = false){
+		$this->op = trim($op);
+		$this->operands = $operands;
+		$this->isSpaced = $isSpaced;
+	}
+
+    public function accept($visitor) {
+		$this->operands = $visitor->visitArray($this->operands);
+	}
+
+	public function compile($env){
+		$a = $this->operands[0]->compile($env);
+		$b = $this->operands[1]->compile($env);
+
+
+		if( Less_Environment::isMathOn() ){
+
+			if( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ){
+				$a = $a->toColor();
+
+			}elseif( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ){
+				$b = $b->toColor();
+
+			}
+
+			if( !method_exists($a,'operate') ){
+				throw new Less_Exception_Compiler("Operation on an invalid type");
+			}
+
+			return $a->operate( $this->op, $b);
+		}
+
+		return new Less_Tree_Operation($this->op, array($a, $b), $this->isSpaced );
+	}
+
+
+    /**
+     * @see Less_Tree::genCSS
+     */
+    public function genCSS( $output ){
+		$this->operands[0]->genCSS( $output );
+		if( $this->isSpaced ){
+			$output->add( " " );
+		}
+		$output->add( $this->op );
+		if( $this->isSpaced ){
+			$output->add( ' ' );
+		}
+		$this->operands[1]->genCSS( $output );
+	}
+
+}
-- 
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