1 files changed, 53 insertions, 0 deletions
diff --git a/dom/serializers/nsHTMLContentSerializer.h b/dom/serializers/nsHTMLContentSerializer.h
new file mode 100644
index 0000000000..7307eb6e3c
--- /dev/null
+++ b/dom/serializers/nsHTMLContentSerializer.h
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * nsIContentSerializer implementation that can be used with an
+ * nsIDocumentEncoder to convert an HTML (not XHTML!) DOM to an HTML
+ * string that could be parsed into more or less the original DOM.
+ */
+
+#ifndef nsHTMLContentSerializer_h__
+#define nsHTMLContentSerializer_h__
+
+#include "mozilla/Attributes.h"
+#include "nsXHTMLContentSerializer.h"
+#include "nsString.h"
+
+class nsAtom;
+
+class nsHTMLContentSerializer final : public nsXHTMLContentSerializer {
+ public:
+  nsHTMLContentSerializer();
+  virtual ~nsHTMLContentSerializer();
+
+  NS_IMETHOD AppendElementStart(
+      mozilla::dom::Element* aElement,
+      mozilla::dom::Element* aOriginalElement) override;
+
+  NS_IMETHOD AppendElementEnd(mozilla::dom::Element* aElement,
+                              mozilla::dom::Element* aOriginalElement) override;
+
+  NS_IMETHOD AppendDocumentStart(mozilla::dom::Document* aDocument) override;
+
+ protected:
+  [[nodiscard]] virtual bool SerializeHTMLAttributes(
+      mozilla::dom::Element* aContent, mozilla::dom::Element* aOriginalElement,
+      nsAString& aTagPrefix, const nsAString& aTagNamespaceURI,
+      nsAtom* aTagName, int32_t aNamespace, nsAString& aStr);
+
+  [[nodiscard]] virtual bool AppendAndTranslateEntities(
+      const nsAString& aStr, nsAString& aOutputStr) override;
+
+ private:
+  static const uint8_t kEntities[];
+  static const uint8_t kAttrEntities[];
+  static const char* const kEntityStrings[];
+};
+
+nsresult NS_NewHTMLContentSerializer(nsIContentSerializer** aSerializer);
+
+#endif