dom/file/MemoryStreams.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_file_memorystreams_h__
   8 #define mozilla_dom_file_memorystreams_h__
   9
  10 #include "FileCommon.h"
  11
  12 #include "nsIOutputStream.h"
  13
  14 BEGIN_FILE_NAMESPACE
  15
  16 class MemoryOutputStream : public nsIOutputStream
  17 {
  18 public:
  19   NS_DECL_ISUPPORTS
  20   NS_DECL_NSIOUTPUTSTREAM
  21
  22   static already_AddRefed<MemoryOutputStream>
  23   Create(uint64_t aSize);
  24
  25
  26   const nsCString&
  27   Data() const
  28   {
  29     return mData;
  30   }
  31
  32 private:
  33   MemoryOutputStream()
  34   : mOffset(0)
  35   { }
  36
  37   virtual ~MemoryOutputStream()
  38   { }
  39
  40   nsCString mData;
  41   uint64_t mOffset;
  42 };
  43
  44 END_FILE_NAMESPACE
  45
  46 #endif // mozilla_dom_file_memorystreams_h__