1 files changed, 71 insertions, 0 deletions
diff --git a/dom/base/Comment.cpp b/dom/base/Comment.cpp
new file mode 100644
index 0000000000..d9f5d68bcc
--- /dev/null
+++ b/dom/base/Comment.cpp
@@ -0,0 +1,71 @@
+/* -*- 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/. */
+
+/*
+ * Implementations of DOM Core's Comment node.
+ */
+
+#include "nsCOMPtr.h"
+#include "mozilla/dom/Comment.h"
+#include "mozilla/dom/CommentBinding.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/IntegerPrintfMacros.h"
+#include "nsPIDOMWindow.h"
+
+using namespace mozilla;
+using namespace dom;
+
+namespace mozilla::dom {
+
+Comment::~Comment() = default;
+
+already_AddRefed<CharacterData> Comment::CloneDataNode(
+    mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const {
+  RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
+  auto* nim = ni->NodeInfoManager();
+  RefPtr<Comment> it = new (nim) Comment(ni.forget());
+  if (aCloneText) {
+    it->mText = mText;
+  }
+
+  return it.forget();
+}
+
+#ifdef DEBUG
+void Comment::List(FILE* out, int32_t aIndent) const {
+  int32_t indx;
+  for (indx = aIndent; --indx >= 0;) fputs("  ", out);
+
+  fprintf(out, "Comment@%p refcount=%" PRIuPTR "<!--", (void*)this,
+          mRefCnt.get());
+
+  nsAutoString tmp;
+  ToCString(tmp, 0, mText.GetLength());
+  fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
+
+  fputs("-->\n", out);
+}
+#endif
+
+/* static */
+already_AddRefed<Comment> Comment::Constructor(const GlobalObject& aGlobal,
+                                               const nsAString& aData,
+                                               ErrorResult& aRv) {
+  nsCOMPtr<nsPIDOMWindowInner> window =
+      do_QueryInterface(aGlobal.GetAsSupports());
+  if (!window || !window->GetDoc()) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  return window->GetDoc()->CreateComment(aData);
+}
+
+JSObject* Comment::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return Comment_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom