dom/filesystem/FileSystemUtils.h

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
   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_FileSystemUtils_h
   8 #define mozilla_dom_FileSystemUtils_h
   9
  10 #include "nsString.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 #define FILESYSTEM_DOM_PATH_SEPARATOR "/"
  16
  17 /*
  18  * This class is for error handling.
  19  * All methods in this class are static.
  20  */
  21 class FileSystemUtils
  22 {
  23 public:
  24   /*
  25    * Convert the path separator to "/".
  26    */
  27   static void
  28   LocalPathToNormalizedPath(const nsAString& aLocal, nsAString& aNorm);
  29
  30   /*
  31    * Convert the normalized path separator "/" to the system dependent path
  32    * separator, which is "/" on Mac and Linux, and "\" on Windows.
  33    */
  34   static void
  35   NormalizedPathToLocalPath(const nsAString& aNorm, nsAString& aLocal);
  36
  37   /*
  38    * Return true if aDescendantPath is a descendant of aPath. Both aPath and
  39    * aDescendantPath are absolute DOM path.
  40    */
  41   static bool
  42   IsDescendantPath(const nsAString& aPath, const nsAString& aDescendantPath);
  43
  44   static bool
  45   IsParentProcess();
  46
  47   static const char16_t kSeparatorChar = char16_t('/');
  48 };
  49
  50 } // namespace dom
  51 } // namespace mozilla
  52
  53 #endif // mozilla_dom_FileSystemUtils_h