From 840cac3acba875d98b245f9d512ef6eebd8f50fd Mon Sep 17 00:00:00 2001
From: Andres Rey <andreskrey@gmail.com>
Date: Tue, 7 Nov 2017 20:55:21 +0000
Subject: Clean style attributes inside tags

---
 src/HTMLParser.php | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/HTMLParser.php b/src/HTMLParser.php
index 27dd8e5..273dab9 100644
--- a/src/HTMLParser.php
+++ b/src/HTMLParser.php
@@ -1001,6 +1001,9 @@ class HTMLParser
      */
     public function prepArticle(DOMDocument $article)
     {
+        $this->_cleanStyles($article);
+        $this->_clean($article, 'style');
+
         // Check for data tables before we continue, to avoid removing items in
         // those tables, which will often be isolated even though they're
         // visually linked to other content-ful elements (text, images, etc.).
@@ -1014,8 +1017,6 @@ class HTMLParser
         $this->_clean($article, 'h1');
         $this->_clean($article, 'footer');
 
-        // Readability.js cleans styles on prepDocument but we do it here.
-        $this->_clean($article, 'style');
 
         /*
          * If there is only one h2 and its text content substantially equals article title,
@@ -1175,6 +1176,35 @@ class HTMLParser
         }
     }
 
+    /**
+     * Remove the style attribute on every e and under.
+     * TODO: To be moved to Readability
+     *
+     * @param $node \DOMDocument|\DOMNode
+     **/
+    public function _cleanStyles($node)
+    {
+        $cur = $node->firstChild;
+
+        // Remove any root styles, if we're able.
+        //TODO Check if we actually need to check for the method to exist
+        if (method_exists($cur, 'removeAttribute')) {
+            $cur->removeAttribute('style');
+        }
+
+        // Go until there are no more child nodes
+        while ($cur !== null) {
+            if ($cur->nodeType === XML_ELEMENT_NODE) {
+                // Remove style attribute(s) :
+                $cur->removeAttribute('style');
+
+                $this->_cleanStyles($cur);
+            }
+
+            $cur = $cur->nextSibling;
+        }
+    }
+
     /**
      * TODO To be moved to Readability.
      *
-- 
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