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