1/*
2 * Copyright (C) 2015 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "CombinedFiltersAlphabet.h"
28
29#if ENABLE(CONTENT_EXTENSIONS)
30
31namespace WebCore {
32
33namespace ContentExtensions {
34
35struct TermCreatorInput {
36 const Term& term;
37 Vector<std::unique_ptr<Term>>& internedTermsStorage;
38};
39
40struct TermCreatorTranslator {
41 static unsigned hash(const TermCreatorInput& input)
42 {
43 return input.term.hash();
44 }
45
46 static inline bool equal(const Term* term, const TermCreatorInput& input)
47 {
48 return *term == input.term;
49 }
50
51 static void translate(const Term*& location, const TermCreatorInput& input, unsigned)
52 {
53 std::unique_ptr<Term> newUniqueTerm(new Term(input.term));
54 location = newUniqueTerm.get();
55 input.internedTermsStorage.append(WTFMove(newUniqueTerm));
56 }
57};
58
59const Term* CombinedFiltersAlphabet::interned(const Term& term)
60{
61 TermCreatorInput input { term, m_internedTermsStorage };
62 auto addResult = m_uniqueTerms.add<TermCreatorTranslator>(input);
63 return *addResult.iterator;
64}
65
66#if CONTENT_EXTENSIONS_PERFORMANCE_REPORTING
67size_t CombinedFiltersAlphabet::memoryUsed() const
68{
69 size_t termsSize = 0;
70 for (const auto& termPointer : m_internedTermsStorage)
71 termsSize += termPointer->memoryUsed();
72 return sizeof(CombinedFiltersAlphabet)
73 + termsSize
74 + m_uniqueTerms.capacity() * sizeof(Term*)
75 + m_internedTermsStorage.capacity() * sizeof(std::unique_ptr<Term>);
76}
77#endif
78
79} // namespace ContentExtensions
80} // namespace WebCore
81
82#endif // ENABLE(CONTENT_EXTENSIONS)
83