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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. | 5 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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46 enum ItemAfterOverrideType { | 46 enum ItemAfterOverrideType { |
47 OverridesItemAfter, | 47 OverridesItemAfter, |
48 DoesNotOverrideItemAfter, | 48 DoesNotOverrideItemAfter, |
49 }; | 49 }; |
50 | 50 |
51 LiveNodeListBase(Node* ownerNode, NodeListRootType rootType, NodeListInvalid
ationType invalidationType, | 51 LiveNodeListBase(Node* ownerNode, NodeListRootType rootType, NodeListInvalid
ationType invalidationType, |
52 bool shouldOnlyIncludeDirectChildren, CollectionType collectionType, Ite
mAfterOverrideType itemAfterOverrideType) | 52 bool shouldOnlyIncludeDirectChildren, CollectionType collectionType, Ite
mAfterOverrideType itemAfterOverrideType) |
53 : m_ownerNode(ownerNode) | 53 : m_ownerNode(ownerNode) |
54 , m_cachedItem(0) | 54 , m_cachedItem(0) |
55 , m_isLengthCacheValid(false) | 55 , m_isLengthCacheValid(false) |
56 , m_isItemCacheValid(false) | |
57 , m_rootType(rootType) | 56 , m_rootType(rootType) |
58 , m_invalidationType(invalidationType) | 57 , m_invalidationType(invalidationType) |
59 , m_shouldOnlyIncludeDirectChildren(shouldOnlyIncludeDirectChildren) | 58 , m_shouldOnlyIncludeDirectChildren(shouldOnlyIncludeDirectChildren) |
60 , m_collectionType(collectionType) | 59 , m_collectionType(collectionType) |
61 , m_overridesItemAfter(itemAfterOverrideType == OverridesItemAfter) | 60 , m_overridesItemAfter(itemAfterOverrideType == OverridesItemAfter) |
62 { | 61 { |
63 ASSERT(m_rootType == static_cast<unsigned>(rootType)); | 62 ASSERT(m_rootType == static_cast<unsigned>(rootType)); |
64 ASSERT(m_invalidationType == static_cast<unsigned>(invalidationType)); | 63 ASSERT(m_invalidationType == static_cast<unsigned>(invalidationType)); |
65 ASSERT(m_collectionType == static_cast<unsigned>(collectionType)); | 64 ASSERT(m_collectionType == static_cast<unsigned>(collectionType)); |
66 ASSERT(!m_overridesItemAfter || !isLiveNodeListType(collectionType)); | 65 ASSERT(!m_overridesItemAfter || !isLiveNodeListType(collectionType)); |
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93 virtual void invalidateCache() const; | 92 virtual void invalidateCache() const; |
94 | 93 |
95 static bool shouldInvalidateTypeOnAttributeChange(NodeListInvalidationType,
const QualifiedName&); | 94 static bool shouldInvalidateTypeOnAttributeChange(NodeListInvalidationType,
const QualifiedName&); |
96 | 95 |
97 protected: | 96 protected: |
98 Document& document() const { return m_ownerNode->document(); } | 97 Document& document() const { return m_ownerNode->document(); } |
99 Node& rootNode() const; | 98 Node& rootNode() const; |
100 ContainerNode* rootContainerNode() const; | 99 ContainerNode* rootContainerNode() const; |
101 bool overridesItemAfter() const { return m_overridesItemAfter; } | 100 bool overridesItemAfter() const { return m_overridesItemAfter; } |
102 | 101 |
103 ALWAYS_INLINE bool isItemCacheValid() const { return m_isItemCacheValid; } | |
104 ALWAYS_INLINE Node* cachedItem() const { return m_cachedItem; } | 102 ALWAYS_INLINE Node* cachedItem() const { return m_cachedItem; } |
105 ALWAYS_INLINE unsigned cachedItemOffset() const { return m_cachedItemOffset;
} | 103 ALWAYS_INLINE unsigned cachedItemOffset() const { ASSERT(cachedItem()); retu
rn m_cachedItemOffset; } |
106 | 104 |
107 ALWAYS_INLINE bool isLengthCacheValid() const { return m_isLengthCacheValid;
} | 105 ALWAYS_INLINE bool isLengthCacheValid() const { return m_isLengthCacheValid;
} |
108 ALWAYS_INLINE unsigned cachedLength() const { return m_cachedLength; } | 106 ALWAYS_INLINE unsigned cachedLength() const { return m_cachedLength; } |
109 ALWAYS_INLINE void setLengthCache(unsigned length) const | 107 ALWAYS_INLINE void setLengthCache(unsigned length) const |
110 { | 108 { |
111 m_cachedLength = length; | 109 m_cachedLength = length; |
112 m_isLengthCacheValid = true; | 110 m_isLengthCacheValid = true; |
113 } | 111 } |
114 ALWAYS_INLINE void setItemCache(Node* item, unsigned offset) const | 112 ALWAYS_INLINE void setItemCache(Node* item, unsigned offset) const |
115 { | 113 { |
116 ASSERT(item); | 114 ASSERT(item); |
117 m_cachedItem = item; | 115 m_cachedItem = item; |
118 m_cachedItemOffset = offset; | 116 m_cachedItemOffset = offset; |
119 m_isItemCacheValid = true; | |
120 } | 117 } |
121 | 118 |
122 ALWAYS_INLINE NodeListRootType rootType() const { return static_cast<NodeLis
tRootType>(m_rootType); } | 119 ALWAYS_INLINE NodeListRootType rootType() const { return static_cast<NodeLis
tRootType>(m_rootType); } |
123 bool shouldOnlyIncludeDirectChildren() const { return m_shouldOnlyIncludeDir
ectChildren; } | 120 bool shouldOnlyIncludeDirectChildren() const { return m_shouldOnlyIncludeDir
ectChildren; } |
124 | 121 |
125 private: | 122 private: |
126 Node* itemBeforeOrAfterCachedItem(unsigned offset, ContainerNode* root) cons
t; | 123 Node* itemBeforeOrAfterCachedItem(unsigned offset, ContainerNode* root) cons
t; |
127 bool isLastItemCloserThanLastOrCachedItem(unsigned offset) const; | 124 bool isLastItemCloserThanLastOrCachedItem(unsigned offset) const; |
128 bool isFirstItemCloserThanCachedItem(unsigned offset) const; | 125 bool isFirstItemCloserThanCachedItem(unsigned offset) const; |
129 Node* iterateForPreviousNode(Node* current) const; | 126 Node* iterateForPreviousNode(Node* current) const; |
130 Node* itemBefore(Node* previousItem) const; | 127 Node* itemBefore(Node* previousItem) const; |
131 void invalidateIdNameCacheMaps() const; | 128 void invalidateIdNameCacheMaps() const; |
132 | 129 |
133 RefPtr<Node> m_ownerNode; | 130 RefPtr<Node> m_ownerNode; |
134 mutable Node* m_cachedItem; | 131 mutable Node* m_cachedItem; |
135 mutable unsigned m_cachedLength; | 132 mutable unsigned m_cachedLength; |
136 mutable unsigned m_cachedItemOffset; | 133 mutable unsigned m_cachedItemOffset; |
137 mutable unsigned m_isLengthCacheValid : 1; | 134 mutable unsigned m_isLengthCacheValid : 1; |
138 mutable unsigned m_isItemCacheValid : 1; | |
139 const unsigned m_rootType : 2; | 135 const unsigned m_rootType : 2; |
140 const unsigned m_invalidationType : 4; | 136 const unsigned m_invalidationType : 4; |
141 const unsigned m_shouldOnlyIncludeDirectChildren : 1; | 137 const unsigned m_shouldOnlyIncludeDirectChildren : 1; |
142 const unsigned m_collectionType : 5; | 138 const unsigned m_collectionType : 5; |
143 | 139 |
144 // From HTMLCollection | 140 // From HTMLCollection |
145 const unsigned m_overridesItemAfter : 1; | 141 const unsigned m_overridesItemAfter : 1; |
146 }; | 142 }; |
147 | 143 |
148 ALWAYS_INLINE bool LiveNodeListBase::shouldInvalidateTypeOnAttributeChange(NodeL
istInvalidationType type, const QualifiedName& attrName) | 144 ALWAYS_INLINE bool LiveNodeListBase::shouldInvalidateTypeOnAttributeChange(NodeL
istInvalidationType type, const QualifiedName& attrName) |
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187 Node* traverseToFirstElement(ContainerNode& root) const; | 183 Node* traverseToFirstElement(ContainerNode& root) const; |
188 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset, ContainerNode* root) const; | 184 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset, ContainerNode* root) const; |
189 | 185 |
190 private: | 186 private: |
191 virtual bool isLiveNodeList() const OVERRIDE FINAL { return true; } | 187 virtual bool isLiveNodeList() const OVERRIDE FINAL { return true; } |
192 }; | 188 }; |
193 | 189 |
194 } // namespace WebCore | 190 } // namespace WebCore |
195 | 191 |
196 #endif // LiveNodeList_h | 192 #endif // LiveNodeList_h |
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