From 14de9cfc9376215dbda89b5a9e977790b4d790dd Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Thu, 13 Aug 2020 23:39:37 +0200
Subject: [PATCH] Convert `<small>` into `font-size`

---
 .../input/node/HtmlInputNodeSmall.class.php   | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeSmall.class.php

diff --git a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeSmall.class.php b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeSmall.class.php
new file mode 100644
index 0000000000..ac127f7ce0
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeSmall.class.php
@@ -0,0 +1,52 @@
+<?php
+namespace wcf\system\html\input\node;
+use wcf\system\bbcode\BBCodeHandler;
+use wcf\system\html\node\AbstractHtmlNodeProcessor;
+use wcf\util\DOMUtil;
+
+/**
+ * Converts `<small>` elements into their CSS equivalent.
+ *
+ * @author      Alexander Ebert
+ * @copyright   2001-2020 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package     WoltLabSuite\Core\System\Html\Input\Node
+ * @since       5.3
+ */
+class HtmlInputNodeSmall extends AbstractHtmlInputNode {
+	/**
+	 * @inheritDoc
+	 */
+	protected $tagName = 'small';
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function isAllowed(AbstractHtmlNodeProcessor $htmlNodeProcessor) {
+		if (BBCodeHandler::getInstance()->isAvailableBBCode('size')) {
+			return [];
+		}
+		
+		return ['size'];
+	}
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function process(array $elements, AbstractHtmlNodeProcessor $htmlNodeProcessor) {
+		/** @var \DOMElement $element */
+		foreach ($elements as $element) {
+			if (DOMUtil::isRemoved($element) || !$element->parentNode) {
+				continue;
+			}
+			
+			$span = $element->ownerDocument->createElement('span');
+			$span->setAttribute('style', "font-size: 10pt");
+			
+			$element->parentNode->insertBefore($span, $element);
+			$span->appendChild($element);
+			
+			DOMUtil::removeNode($element, true);
+		}
+	}
+}
-- 
2.20.1