gecko-dev/dom/base/DocumentType.h

/* -*- 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/. */

/*
 * Implementation of DOM Core's DocumentType node.
 */

#ifndef DocumentType_h
#define DocumentType_h

#include "mozilla/Attributes.h"
#include "mozilla/dom/CharacterData.h"
#include "nsCOMPtr.h"
#include "nsIContent.h"
#include "nsString.h"

namespace mozilla {
namespace dom {

// XXX DocumentType is currently implemented by inheriting the generic
// CharacterData object, even though DocumentType is not character
// data. This is done simply for convenience and should be changed if
// this restricts what should be done for character data.

class DocumentType final : public CharacterData
{
public:
  DocumentType(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
               const nsAString& aPublicId,
               const nsAString& aSystemId,
               const nsAString& aInternalSubset);

  // nsISupports
  NS_INLINE_DECL_REFCOUNTING_INHERITED(DocumentType, CharacterData)

  // nsINode
  virtual bool IsNodeOfType(uint32_t aFlags) const override;
  virtual void GetNodeValueInternal(nsAString& aNodeValue) override
  {
    SetDOMStringToNull(aNodeValue);
  }
  virtual void SetNodeValueInternal(const nsAString& aNodeValue,
                                    mozilla::ErrorResult& aError) override
  {
  }

  // nsIContent overrides
  virtual const nsTextFragment* GetText() override;

  virtual already_AddRefed<CharacterData>
    CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
                  bool aCloneText) const override;

  // WebIDL API
  void GetName(nsAString& aName) const;
  void GetPublicId(nsAString& aPublicId) const;
  void GetSystemId(nsAString& aSystemId) const;
  void GetInternalSubset(nsAString& aInternalSubset) const;

protected:
  virtual ~DocumentType();

  virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;

  nsString mPublicId;
  nsString mSystemId;
  nsString mInternalSubset;
};

} // namespace dom
} // namespace mozilla

already_AddRefed<mozilla::dom::DocumentType>
NS_NewDOMDocumentType(nsNodeInfoManager* aNodeInfoManager,
                      nsAtom *aName,
                      const nsAString& aPublicId,
                      const nsAString& aSystemId,
                      const nsAString& aInternalSubset);

#endif // DocumentType_h