Source/WebCore/platform/network/ProtectionSpaceHash.h

/*
 * Copyright (C) 2009-2021 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. ``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
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 */

#pragma once

#include "ProtectionSpace.h"
#include <wtf/HashTraits.h>
#include <wtf/Hasher.h>

namespace WebCore {

struct ProtectionSpaceHash {
    static unsigned hash(const ProtectionSpace& protectionSpace)
    { 
        Hasher hasher;
        add(hasher, protectionSpace.host());
        add(hasher, protectionSpace.port());
        add(hasher, protectionSpace.serverType());
        add(hasher, protectionSpace.authenticationScheme());
        if (!protectionSpace.isProxy())
            add(hasher, protectionSpace.realm());
        return hasher.hash();
    }
    
    static bool equal(const ProtectionSpace& a, const ProtectionSpace& b) { return a == b; }
    static constexpr bool safeToCompareToEmptyOrDeleted = false;
};

} // namespace WebCore

namespace WTF {

template<> struct HashTraits<WebCore::ProtectionSpace> : SimpleClassHashTraits<WebCore::ProtectionSpace> {
    static constexpr bool emptyValueIsZero = false;
};
template<> struct DefaultHash<WebCore::ProtectionSpace> : WebCore::ProtectionSpaceHash { };

} // namespace WTF