xpcom/ds/nsPersistentProperties.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 nsPersistentProperties_h___
   8 #define nsPersistentProperties_h___
   9
  10 #include "nsIPersistentProperties2.h"
  11 #include "PLDHashTable.h"
  12 #include "nsString.h"
  13 #include "nsCOMPtr.h"
  14 #include "mozilla/ArenaAllocator.h"
  15 #include "mozilla/Attributes.h"
  16
  17 class nsIUnicharInputStream;
  18
  19 class nsPersistentProperties final : public nsIPersistentProperties {
  20  public:
  21   nsPersistentProperties();
  22
  23   NS_DECL_THREADSAFE_ISUPPORTS
  24   NS_DECL_NSIPROPERTIES
  25   NS_DECL_NSIPERSISTENTPROPERTIES
  26
  27   size_t SizeOfIncludingThis(
  28       mozilla::MallocSizeOf aMallocSizeOf) const override;
  29
  30  private:
  31   ~nsPersistentProperties();
  32
  33  protected:
  34   nsCOMPtr<nsIUnicharInputStream> mIn;
  35
  36   PLDHashTable mTable;
  37   mozilla::ArenaAllocator<2048, 4> mArena;
  38 };
  39
  40 class nsPropertyElement final : public nsIPropertyElement {
  41  public:
  42   nsPropertyElement() = default;
  43
  44   nsPropertyElement(const nsACString& aKey, const nsAString& aValue)
  45       : mKey(aKey), mValue(aValue) {}
  46
  47   NS_DECL_ISUPPORTS
  48   NS_DECL_NSIPROPERTYELEMENT
  49
  50   static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
  51
  52  private:
  53   ~nsPropertyElement() = default;
  54
  55  protected:
  56   nsCString mKey;
  57   nsString mValue;
  58 };
  59
  60 #endif /* nsPersistentProperties_h___ */