author Jeff Walden <>
Tue, 19 Nov 2019 04:55:39 +0000
changeset 502538 b5c5ba07d3dbd0d07b66fa42a103f4df2c27d3a2
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1596544 - intl_ValidateAndCanonicalizeUnicodeExtensionType should ignore the second |option| argument until it's needed to report an error. r=anba Differential Revision:

/* -*- 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 */

#ifndef nsDOMStringMap_h
#define nsDOMStringMap_h

#include "nsCycleCollectionParticipant.h"
#include "nsTArray.h"
#include "nsString.h"
#include "nsWrapperCache.h"
#include "mozilla/dom/Element.h"
#include "jsfriendapi.h"  // For js::ExpandoAndGeneration

namespace mozilla {
class ErrorResult;
namespace dom {
class DocGroup;
}  // namespace dom
}  // namespace mozilla

class nsDOMStringMap : public nsStubMutationObserver, public nsWrapperCache {


  nsINode* GetParentObject() { return mElement; }

  mozilla::dom::DocGroup* GetDocGroup() const;

  explicit nsDOMStringMap(mozilla::dom::Element* aElement);

  // WebIDL API
  virtual JSObject* WrapObject(JSContext* cx,
                               JS::Handle<JSObject*> aGivenProto) override;
  void NamedGetter(const nsAString& aProp, bool& found,
                   mozilla::dom::DOMString& aResult) const;
  void NamedSetter(const nsAString& aProp, const nsAString& aValue,
                   mozilla::ErrorResult& rv);
  void NamedDeleter(const nsAString& aProp, bool& found);
  void GetSupportedNames(nsTArray<nsString>& aNames);

  js::ExpandoAndGeneration mExpandoAndGeneration;

  virtual ~nsDOMStringMap();

  RefPtr<mozilla::dom::Element> mElement;
  // Flag to guard against infinite recursion.
  bool mRemovingProp;
  static bool DataPropToAttr(const nsAString& aProp, nsAutoString& aResult);
  static bool AttrToDataProp(const nsAString& aAttr, nsAutoString& aResult);