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Side by Side Diff: Source/core/dom/ElementDataCache.cpp

Issue 170603003: Use nullptr_t for RefPtr, PassRefPtr and RawPtr. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Final rebase Created 6 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2012, 2013 Apple Inc. All Rights Reserved. 2 * Copyright (C) 2012, 2013 Apple Inc. All Rights Reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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40 { 40 {
41 if (attributes.size() != elementData.length()) 41 if (attributes.size() != elementData.length())
42 return false; 42 return false;
43 return !memcmp(attributes.data(), elementData.m_attributeArray, attributes.s ize() * sizeof(Attribute)); 43 return !memcmp(attributes.data(), elementData.m_attributeArray, attributes.s ize() * sizeof(Attribute));
44 } 44 }
45 45
46 PassRefPtr<ShareableElementData> ElementDataCache::cachedShareableElementDataWit hAttributes(const Vector<Attribute>& attributes) 46 PassRefPtr<ShareableElementData> ElementDataCache::cachedShareableElementDataWit hAttributes(const Vector<Attribute>& attributes)
47 { 47 {
48 ASSERT(!attributes.isEmpty()); 48 ASSERT(!attributes.isEmpty());
49 49
50 ShareableElementDataCache::ValueType* it = m_shareableElementDataCache.add(a ttributeHash(attributes), 0).storedValue; 50 ShareableElementDataCache::ValueType* it = m_shareableElementDataCache.add(a ttributeHash(attributes), nullptr).storedValue;
51 51
52 // FIXME: This prevents sharing when there's a hash collision. 52 // FIXME: This prevents sharing when there's a hash collision.
53 if (it->value && !hasSameAttributes(attributes, *it->value)) 53 if (it->value && !hasSameAttributes(attributes, *it->value))
54 return ShareableElementData::createWithAttributes(attributes); 54 return ShareableElementData::createWithAttributes(attributes);
55 55
56 if (!it->value) 56 if (!it->value)
57 it->value = ShareableElementData::createWithAttributes(attributes); 57 it->value = ShareableElementData::createWithAttributes(attributes);
58 58
59 return it->value.get(); 59 return it->value.get();
60 } 60 }
61 61
62 ElementDataCache::ElementDataCache() 62 ElementDataCache::ElementDataCache()
63 { 63 {
64 } 64 }
65 65
66 ElementDataCache::~ElementDataCache() 66 ElementDataCache::~ElementDataCache()
67 { 67 {
68 } 68 }
69 69
70 } 70 }
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