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1 /* | |
2 * Copyright (C) 2008 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 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
14 * its contributors may be used to endorse or promote products derived | |
15 * from this software without specific prior written permission. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #ifndef SecurityOriginHash_h | |
30 #define SecurityOriginHash_h | |
31 | |
32 #include "weborigin/SecurityOrigin.h" | |
33 #include "weborigin/KURL.h" | |
34 #include "wtf/RefPtr.h" | |
35 | |
36 namespace WebCore { | |
37 | |
38 struct SecurityOriginHash { | |
39 static unsigned hash(SecurityOrigin* origin) | |
40 { | |
41 unsigned hashCodes[3] = { | |
42 origin->protocol().impl() ? origin->protocol().impl()->hash() : 0, | |
43 origin->host().impl() ? origin->host().impl()->hash() : 0, | |
44 origin->port() | |
45 }; | |
46 return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes); | |
47 } | |
48 static unsigned hash(const RefPtr<SecurityOrigin>& origin) | |
49 { | |
50 return hash(origin.get()); | |
51 } | |
52 | |
53 static bool equal(SecurityOrigin* a, SecurityOrigin* b) | |
54 { | |
55 // FIXME: The hash function above compares three specific fields. | |
56 // This code to compare those three specific fields should be moved here
from | |
57 // SecurityOrigin as mentioned in origin/SecurityOrigin.h so we don't ac
cidentally change | |
58 // equal without changing hash to match it. | |
59 if (!a || !b) | |
60 return a == b; | |
61 return a->equal(b); | |
62 } | |
63 static bool equal(SecurityOrigin* a, const RefPtr<SecurityOrigin>& b) | |
64 { | |
65 return equal(a, b.get()); | |
66 } | |
67 static bool equal(const RefPtr<SecurityOrigin>& a, SecurityOrigin* b) | |
68 { | |
69 return equal(a.get(), b); | |
70 } | |
71 static bool equal(const RefPtr<SecurityOrigin>& a, const RefPtr<SecurityOrig
in>& b) | |
72 { | |
73 return equal(a.get(), b.get()); | |
74 } | |
75 | |
76 static const bool safeToCompareToEmptyOrDeleted = false; | |
77 }; | |
78 | |
79 } // namespace WebCore | |
80 | |
81 namespace WTF { | |
82 template<typename> struct DefaultHash; | |
83 | |
84 template<> struct DefaultHash<RefPtr<WebCore::SecurityOrigin> > { | |
85 typedef WebCore::SecurityOriginHash Hash; | |
86 }; | |
87 | |
88 } // namespace WTF | |
89 | |
90 #endif // SecurityOriginHash_h | |
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