gecko-dev/caps/PrincipalHashKey.h

59 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_PrincipalHashKey_h
#define mozilla_PrincipalHashKey_h
#include "BasePrincipal.h"
#include "PLDHashTable.h"
#include "mozilla/Unused.h"
#include "nsCOMPtr.h"
#include "nsHashKeys.h"
namespace mozilla {
class PrincipalHashKey : public PLDHashEntryHdr {
public:
using KeyType = nsIPrincipal*;
using KeyTypePointer = const nsIPrincipal*;
explicit PrincipalHashKey(const nsIPrincipal* aKey)
: mPrincipal(const_cast<nsIPrincipal*>(aKey)) {
MOZ_ASSERT(aKey);
MOZ_COUNT_CTOR(PrincipalHashKey);
}
PrincipalHashKey(PrincipalHashKey&& aKey) noexcept
: mPrincipal(std::move(aKey.mPrincipal)) {
MOZ_COUNT_CTOR(PrincipalHashKey);
}
MOZ_COUNTED_DTOR(PrincipalHashKey)
nsIPrincipal* GetKey() const { return mPrincipal; }
bool KeyEquals(const nsIPrincipal* aKey) const {
return BasePrincipal::Cast(mPrincipal)
->FastEquals(const_cast<nsIPrincipal*>(aKey));
}
static const nsIPrincipal* KeyToPointer(const nsIPrincipal* aKey) {
return aKey;
}
static PLDHashNumber HashKey(const nsIPrincipal* aKey) {
const auto* bp = BasePrincipal::Cast(aKey);
return HashGeneric(bp->GetOriginNoSuffixHash(), bp->GetOriginSuffixHash());
}
enum { ALLOW_MEMMOVE = true };
protected:
nsCOMPtr<nsIPrincipal> mPrincipal;
};
} // namespace mozilla
#endif