1/*
2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef ProtectionSpaceHash_h
27#define ProtectionSpaceHash_h
28
29#include "ProtectionSpace.h"
30#include <wtf/HashTraits.h>
31
32namespace WebCore {
33
34struct ProtectionSpaceHash {
35 static unsigned hash(const ProtectionSpace& protectionSpace)
36 {
37 unsigned hashCodes[5] = {
38 protectionSpace.host().impl() ? protectionSpace.host().impl()->hash() : 0,
39 static_cast<unsigned>(protectionSpace.port()),
40 static_cast<unsigned>(protectionSpace.serverType()),
41 static_cast<unsigned>(protectionSpace.authenticationScheme()),
42 protectionSpace.realm().impl() ? protectionSpace.realm().impl()->hash() : 0
43 };
44
45 unsigned codeCount = sizeof(hashCodes);
46 // Ignore realm for proxies.
47 if (protectionSpace.isProxy())
48 codeCount -= sizeof(hashCodes[0]);
49 return StringHasher::hashMemory(hashCodes, codeCount);
50 }
51
52 static bool equal(const ProtectionSpace& a, const ProtectionSpace& b) { return a == b; }
53 static const bool safeToCompareToEmptyOrDeleted = false;
54};
55
56} // namespace WebCore
57
58namespace WTF {
59
60 template<> struct HashTraits<WebCore::ProtectionSpace> : SimpleClassHashTraits<WebCore::ProtectionSpace> { };
61
62 template<> struct DefaultHash<WebCore::ProtectionSpace> {
63 using Hash = WebCore::ProtectionSpaceHash;
64 };
65
66} // namespace WTF
67
68
69#endif // ProtectionSpaceHash_h
70