dom/xbl/nsXBLProtoImplField.h
author Jason Orendorff <jorendorff@mozilla.com>
Tue, 17 Oct 2017 16:25:40 +0100
changeset 432779 7d28b5b2217d909d2ea1b820f23112531d1cdf83
parent 408591 4f1badc6432055b2c932ec69b1bd9543d30553c8
child 433736 57132aac9262cbe6077160cad75bc590fd60e92c
permissions -rw-r--r--
Bug 1407414 - Crash in js::GetOwnPropertyDescriptor. r=bz, a=lizzard

/* -*- 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 nsXBLProtoImplField_h__
#define nsXBLProtoImplField_h__

#include "nsIAtom.h"
#include "nsString.h"
#include "jsapi.h"
#include "nsString.h"
#include "nsXBLProtoImplMember.h"

class nsIObjectInputStream;
class nsIObjectOutputStream;
class nsIURI;

class nsXBLProtoImplField
{
public:
  nsXBLProtoImplField(const char16_t* aName, const char16_t* aReadOnly);
  explicit nsXBLProtoImplField(const bool aIsReadOnly);
  ~nsXBLProtoImplField();

  void AppendFieldText(const nsAString& aText);
  void SetLineNumber(uint32_t aLineNumber) {
    mLineNumber = aLineNumber;
  }

  nsXBLProtoImplField* GetNext() const { return mNext; }
  void SetNext(nsXBLProtoImplField* aNext) { mNext = aNext; }

  nsresult InstallField(JS::Handle<JSObject*> aBoundNode,
                        nsIURI* aBindingDocURI,
                        bool* aDidInstall) const;

  nsresult InstallAccessors(JSContext* aCx,
                            JS::Handle<JSObject*> aTargetClassObject);

  nsresult Read(nsIObjectInputStream* aStream);
  nsresult Write(nsIObjectOutputStream* aStream);

  const char16_t* GetName() const { return mName; }

  unsigned AccessorAttributes() const {
    return JSPROP_SHARED | JSPROP_GETTER | JSPROP_SETTER |
           (mJSAttributes & (JSPROP_ENUMERATE | JSPROP_PERMANENT));
  }

  bool IsEmpty() const { return mFieldTextLength == 0; }

protected:
  nsXBLProtoImplField* mNext;
  char16_t* mName;
  char16_t* mFieldText;
  uint32_t mFieldTextLength;
  uint32_t mLineNumber;
  unsigned mJSAttributes;
};

#endif // nsXBLProtoImplField_h__