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/Rule.php | 115 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 lib/less.php/Tree/Rule.php

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

diff --git a/lib/less.php/Tree/Rule.php b/lib/less.php/Tree/Rule.php
new file mode 100644
index 0000000..ee4a9e2
--- /dev/null
+++ b/lib/less.php/Tree/Rule.php
@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * Rule
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Rule extends Less_Tree{
+
+	public $name;
+	public $value;
+	public $important;
+	public $merge;
+	public $index;
+	public $inline;
+	public $variable;
+	public $currentFileInfo;
+	public $type = 'Rule';
+
+	/**
+	 * @param string $important
+	 */
+	public function __construct($name, $value = null, $important = null, $merge = null, $index = null, $currentFileInfo = null,  $inline = false){
+		$this->name = $name;
+		$this->value = ($value instanceof Less_Tree_Value || $value instanceof Less_Tree_Ruleset) ? $value : new Less_Tree_Value(array($value));
+		$this->important = $important ? ' ' . trim($important) : '';
+		$this->merge = $merge;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+		$this->inline = $inline;
+		$this->variable = ( is_string($name) && $name[0] === '@');
+	}
+
+    public function accept($visitor) {
+		$this->value = $visitor->visitObj( $this->value );
+	}
+
+    /**
+     * @see Less_Tree::genCSS
+     */
+    public function genCSS( $output ){
+
+		$output->add( $this->name . Less_Environment::$_outputMap[': '], $this->currentFileInfo, $this->index);
+		try{
+			$this->value->genCSS( $output);
+
+		}catch( Less_Exception_Parser $e ){
+			$e->index = $this->index;
+			$e->currentFile = $this->currentFileInfo;
+			throw $e;
+		}
+		$output->add( $this->important . (($this->inline || (Less_Environment::$lastRule && Less_Parser::$options['compress'])) ? "" : ";"), $this->currentFileInfo, $this->index);
+	}
+
+	public function compile ($env){
+
+		$name = $this->name;
+		if( is_array($name) ){
+			// expand 'primitive' name directly to get
+			// things faster (~10% for benchmark.less):
+			if( count($name) === 1 && $name[0] instanceof Less_Tree_Keyword ){
+				$name = $name[0]->value;
+			}else{
+				$name = $this->CompileName($env,$name);
+			}
+		}
+
+		$strictMathBypass = Less_Parser::$options['strictMath'];
+		if( $name === "font" && !Less_Parser::$options['strictMath'] ){
+			Less_Parser::$options['strictMath'] = true;
+		}
+
+		try {
+			$evaldValue = $this->value->compile($env);
+
+			if( !$this->variable && $evaldValue->type === "DetachedRuleset") {
+				throw new Less_Exception_Compiler("Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo);
+			}
+
+			if( Less_Environment::$mixin_stack ){
+				$return = new Less_Tree_Rule($name, $evaldValue, $this->important, $this->merge, $this->index, $this->currentFileInfo, $this->inline);
+			}else{
+				$this->name = $name;
+				$this->value = $evaldValue;
+				$return = $this;
+			}
+
+		}catch( Less_Exception_Parser $e ){
+			if( !is_numeric($e->index) ){
+				$e->index = $this->index;
+				$e->currentFile = $this->currentFileInfo;
+			}
+			throw $e;
+		}
+
+		Less_Parser::$options['strictMath'] = $strictMathBypass;
+
+		return $return;
+	}
+
+
+    public function CompileName( $env, $name ){
+		$output = new Less_Output();
+		foreach($name as $n){
+			$n->compile($env)->genCSS($output);
+		}
+		return $output->toString();
+	}
+
+    public function makeImportant(){
+		return new Less_Tree_Rule($this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline);
+	}
+
+}
-- 
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