1 files changed, 62 insertions, 0 deletions
diff --git a/dom/base/Comment.h b/dom/base/Comment.h
new file mode 100644
index 0000000000..5ad4d0bab8
--- /dev/null
+++ b/dom/base/Comment.h
@@ -0,0 +1,62 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_Comment_h
+#define mozilla_dom_Comment_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/CharacterData.h"
+
+namespace mozilla::dom {
+
+class Comment final : public CharacterData {
+ private:
+  void Init() {
+    MOZ_ASSERT(mNodeInfo->NodeType() == COMMENT_NODE,
+               "Bad NodeType in aNodeInfo");
+  }
+
+  virtual ~Comment();
+
+ public:
+  explicit Comment(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+      : CharacterData(std::move(aNodeInfo)) {
+    Init();
+  }
+
+  explicit Comment(nsNodeInfoManager* aNodeInfoManager)
+      : CharacterData(aNodeInfoManager->GetCommentNodeInfo()) {
+    Init();
+  }
+
+  NS_IMPL_FROMNODE_HELPER(Comment, IsComment())
+
+  // nsISupports
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(Comment, CharacterData)
+
+  virtual already_AddRefed<CharacterData> CloneDataNode(
+      mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const override;
+
+#ifdef DEBUG
+  virtual void List(FILE* out, int32_t aIndent) const override;
+  virtual void DumpContent(FILE* out = stdout, int32_t aIndent = 0,
+                           bool aDumpAll = true) const override {
+    return;
+  }
+#endif
+
+  static already_AddRefed<Comment> Constructor(const GlobalObject& aGlobal,
+                                               const nsAString& aData,
+                                               ErrorResult& aRv);
+
+ protected:
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_Comment_h