caps/OriginAttributesHashKey.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 mozilla_OriginAttributesHashKey_h
   8 #define mozilla_OriginAttributesHashKey_h
   9
  10 #include "OriginAttributes.h"
  11 #include "PLDHashTable.h"
  12 #include "nsHashKeys.h"
  13
  14 namespace mozilla {
  15
  16 class OriginAttributesHashKey : public PLDHashEntryHdr {
  17  public:
  18   using KeyType = OriginAttributes;
  19   using KeyTypeRef = const KeyType&;
  20   using KeyTypePointer = const KeyType*;
  21
  22   explicit OriginAttributesHashKey(KeyTypePointer aKey) {
  23     mOriginAttributes = *aKey;
  24     MOZ_COUNT_CTOR(OriginAttributesHashKey);
  25   }
  26   OriginAttributesHashKey(OriginAttributesHashKey&& aKey) noexcept {
  27     mOriginAttributes = std::move(aKey.mOriginAttributes);
  28     MOZ_COUNT_CTOR(OriginAttributesHashKey);
  29   }
  30
  31   MOZ_COUNTED_DTOR(OriginAttributesHashKey)
  32
  33   KeyTypeRef GetKey() const { return mOriginAttributes; }
  34
  35   bool KeyEquals(KeyTypePointer aKey) const {
  36     return mOriginAttributes == *aKey;
  37   }
  38
  39   static KeyTypePointer KeyToPointer(KeyTypeRef aKey) { return &aKey; }
  40
  41   static PLDHashNumber HashKey(KeyTypePointer aKey) {
  42     nsAutoCString suffix;
  43     aKey->CreateSuffix(suffix);
  44     return mozilla::HashString(suffix);
  45   }
  46
  47   enum { ALLOW_MEMMOVE = true };
  48
  49  protected:
  50   OriginAttributes mOriginAttributes;
  51 };
  52
  53 }  // namespace mozilla
  54
  55 #endif