dom/quota/StreamUtils.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=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
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef DOM_QUOTA_STREAMUTILS_H_
   8 #define DOM_QUOTA_STREAMUTILS_H_
   9
  10 #include "nsStringFwd.h"
  11
  12 class nsIBinaryInputStream;
  13 class nsIBinaryOutputStream;
  14 template <class T>
  15 class nsCOMPtr;
  16 class nsIFile;
  17 class nsIOutputStream;
  18 enum class nsresult : uint32_t;
  19
  20 namespace mozilla {
  21
  22 template <typename V, typename E>
  23 class Result;
  24
  25 namespace dom::quota {
  26
  27 enum FileFlag { Truncate, Update, Append };
  28
  29 Result<nsCOMPtr<nsIOutputStream>, nsresult> GetOutputStream(nsIFile& aFile,
  30                                                             FileFlag aFileFlag);
  31
  32 Result<nsCOMPtr<nsIBinaryOutputStream>, nsresult> GetBinaryOutputStream(
  33     nsIFile& aFile, FileFlag aFileFlag);
  34
  35 Result<nsCOMPtr<nsIBinaryInputStream>, nsresult> GetBinaryInputStream(
  36     nsIFile& aDirectory, const nsAString& aFilename);
  37
  38 }  // namespace dom::quota
  39 }  // namespace mozilla
  40
  41 #endif  // DOM_QUOTA_STREAMUTILS_H_