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 {
  21 public:
  22   nsPersistentProperties();
  23
  24   NS_DECL_THREADSAFE_ISUPPORTS
  25   NS_DECL_NSIPROPERTIES
  26   NS_DECL_NSIPERSISTENTPROPERTIES
  27
  28   static MOZ_MUST_USE nsresult
  29   Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
  30
  31   size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
  32
  33 private:
  34   ~nsPersistentProperties();
  35
  36 protected:
  37   nsCOMPtr<nsIUnicharInputStream> mIn;
  38
  39   PLDHashTable mTable;
  40   mozilla::ArenaAllocator<2048,4> mArena;
  41 };
  42
  43 class nsPropertyElement final : public nsIPropertyElement
  44 {
  45 public:
  46   nsPropertyElement()
  47   {
  48   }
  49
  50   nsPropertyElement(const nsACString& aKey, const nsAString& aValue)
  51     : mKey(aKey)
  52     , mValue(aValue)
  53   {
  54   }
  55
  56   NS_DECL_ISUPPORTS
  57   NS_DECL_NSIPROPERTYELEMENT
  58
  59   static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
  60
  61 private:
  62   ~nsPropertyElement() {}
  63
  64 protected:
  65   nsCString mKey;
  66   nsString mValue;
  67 };
  68
  69 #endif /* nsPersistentProperties_h___ */