retain CSSList and Rule comments when parsing

Author: Ruud68

src/CSSList/CSSList.php

@@ -89,7 +89,6 @@ public static function parseList(ParserState $oParserState, CSSList $oList)
                 $oListItem->setComments($comments);
                 $oList->append($oListItem);
             }
-            $oParserState->consumeWhiteSpace();
         }
         if (!$bIsRoot && !$bLenientParsing) {
             throw new SourceException("Unexpected end of document", $oParserState->currentLine());
@@ -412,6 +411,15 @@ public function render(OutputFormat $oOutputFormat)
         }
         foreach ($this->aContents as $oContent) {
             $sRendered = $oOutputFormat->safely(function () use ($oNextLevel, $oContent) {
+                $sResult = '';
+                $aComments = $oContent->getComments();
+
+                foreach ($aComments as $oComment)
+                {
+                    $sResult .= $oComment->render($oNextLevel);
+                    $sResult .= $oNextLevel->spaceAfterBlocks();
+                }
+                return $sResult . $oContent->render($oNextLevel);
                 return $oContent->render($oNextLevel);
             });
             if ($sRendered === null) {

src/Rule/Rule.php

@@ -106,7 +106,6 @@ public static function parse(ParserState $oParserState)
         while ($oParserState->comes(';')) {
             $oParserState->consume(';');
         }
-        $oParserState->consumeWhiteSpace();
 
         return $oRule;
     }

src/RuleSet/RuleSet.php

@@ -273,7 +273,15 @@ public function render(OutputFormat $oOutputFormat)
         foreach ($this->aRules as $aRules) {
             foreach ($aRules as $oRule) {
                 $sRendered = $oOutputFormat->safely(function () use ($oRule, $oOutputFormat) {
-                    return $oRule->render($oOutputFormat->nextLevel());
+                    $sResult = '';
+                    $aComments = $oRule->getComments();
+
+                    foreach ($aComments as $oComment)
+                    {
+                        $sResult .= $oComment->render($oOutputFormat);
+                        $sResult .= $oOutputFormat->nextLevel()->spaceBeforeRules();
+                    }
+                    return $sResult . $oRule->render($oOutputFormat->nextLevel());
                 });
                 if ($sRendered === null) {
                     continue;