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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "SecurityOrigin.h"
#include <wtf/HashTraits.h>
#include <wtf/Hasher.h>
#include <wtf/Ref.h>
namespace WebCore {
struct PartitionedSecurityOrigin {
PartitionedSecurityOrigin(Ref<SecurityOrigin>&& topOrigin, Ref<SecurityOrigin>&& clientOrigin)
: topOrigin(WTFMove(topOrigin))
, clientOrigin(WTFMove(clientOrigin))
{ }
PartitionedSecurityOrigin(WTF::HashTableDeletedValueType)
: topOrigin(WTF::HashTableDeletedValue)
, clientOrigin(WTF::HashTableDeletedValue)
{ }
PartitionedSecurityOrigin(WTF::HashTableEmptyValueType)
: topOrigin(WTF::HashTableEmptyValue)
, clientOrigin(WTF::HashTableEmptyValue)
{ }
bool isHashTableDeletedValue() const { return topOrigin.isHashTableDeletedValue(); }
bool isHashTableEmptyValue() const { return topOrigin.isHashTableEmptyValue(); }
PartitionedSecurityOrigin isolatedCopy() const { return { topOrigin->isolatedCopy(), clientOrigin->isolatedCopy() }; }
Ref<SecurityOrigin> topOrigin;
Ref<SecurityOrigin> clientOrigin;
};
inline bool operator==(const PartitionedSecurityOrigin& a, const PartitionedSecurityOrigin& b)
{
return a.topOrigin->isSameOriginAs(b.topOrigin) && a.clientOrigin->isSameOriginAs(b.clientOrigin);
}
} // namespace WebCore
namespace WTF {
inline void add(Hasher& hasher, const WebCore::PartitionedSecurityOrigin& origin)
{
add(hasher, origin.topOrigin.get(), origin.clientOrigin.get());
}
struct PartitionedSecurityOriginHash {
static unsigned hash(const WebCore::PartitionedSecurityOrigin& origin) { return computeHash(origin); }
static bool equal(const WebCore::PartitionedSecurityOrigin& a, const WebCore::PartitionedSecurityOrigin& b) { return a == b; }
static constexpr bool safeToCompareToEmptyOrDeleted = false;
};
template<> struct DefaultHash<WebCore::PartitionedSecurityOrigin> : PartitionedSecurityOriginHash { };
template<> struct HashTraits<WebCore::PartitionedSecurityOrigin> : SimpleClassHashTraits<WebCore::PartitionedSecurityOrigin> {
static constexpr bool emptyValueIsZero = true;
static WebCore::PartitionedSecurityOrigin emptyValue() { return HashTableEmptyValue; }
template <typename>
static void constructEmptyValue(WebCore::PartitionedSecurityOrigin& slot)
{
new (NotNull, std::addressof(slot)) WebCore::PartitionedSecurityOrigin(HashTableEmptyValue);
}
static constexpr bool hasIsEmptyValueFunction = true;
static bool isEmptyValue(const WebCore::PartitionedSecurityOrigin& value) { return value.isHashTableEmptyValue(); }
using PeekType = std::optional<WebCore::PartitionedSecurityOrigin>;
static PeekType peek(const WebCore::PartitionedSecurityOrigin& value) { return isEmptyValue(value) ? std::nullopt : std::optional { value }; }
using TakeType = std::optional<WebCore::PartitionedSecurityOrigin>;
static TakeType take(WebCore::PartitionedSecurityOrigin&& value) { return isEmptyValue(value) ? std::nullopt : std::optional { WTFMove(value) }; }
};
} // namespace WTF
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