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| 1 /* | |
| 2 * Copyright (C) 2012 Company 100, 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 GOOGLE 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 GOOGLE 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 HTMLStackItem_h | |
| 27 #define HTMLStackItem_h | |
| 28 | |
| 29 #include "core/HTMLNames.h" | |
| 30 #include "core/dom/Element.h" | |
| 31 #include "core/html/parser/AtomicHTMLToken.h" | |
| 32 #include "platform/RuntimeEnabledFeatures.h" | |
| 33 #include "wtf/RefCounted.h" | |
| 34 #include "wtf/RefPtr.h" | |
| 35 #include "wtf/text/AtomicString.h" | |
| 36 | |
| 37 namespace blink { | |
| 38 | |
| 39 class ContainerNode; | |
| 40 | |
| 41 class HTMLStackItem : public RefCountedWillBeGarbageCollectedFinalized<HTMLStack
Item> { | |
| 42 public: | |
| 43 enum ItemType { | |
| 44 ItemForContextElement, | |
| 45 ItemForDocumentFragmentNode | |
| 46 }; | |
| 47 | |
| 48 // Used by document fragment node and context element. | |
| 49 static PassRefPtrWillBeRawPtr<HTMLStackItem> create(PassRefPtrWillBeRawPtr<C
ontainerNode> node, ItemType type) | |
| 50 { | |
| 51 return adoptRefWillBeNoop(new HTMLStackItem(node, type)); | |
| 52 } | |
| 53 | |
| 54 // Used by HTMLElementStack. | |
| 55 static PassRefPtrWillBeRawPtr<HTMLStackItem> create(PassRefPtrWillBeRawPtr<C
ontainerNode> node, AtomicHTMLToken* token) | |
| 56 { | |
| 57 return adoptRefWillBeNoop(new HTMLStackItem(node, token)); | |
| 58 } | |
| 59 | |
| 60 Element* element() const { return toElement(m_node.get()); } | |
| 61 ContainerNode* node() const { return m_node.get(); } | |
| 62 | |
| 63 bool isDocumentFragmentNode() const { return m_isDocumentFragmentNode; } | |
| 64 bool isElementNode() const { return !m_isDocumentFragmentNode; } | |
| 65 | |
| 66 const AtomicString& localName() const { return m_tokenLocalName; } | |
| 67 | |
| 68 bool hasLocalName(const AtomicString& name) const { return m_tokenLocalName
== name; } | |
| 69 | |
| 70 void trace(Visitor* visitor) { visitor->trace(m_node); } | |
| 71 | |
| 72 private: | |
| 73 HTMLStackItem(PassRefPtrWillBeRawPtr<ContainerNode> node, ItemType type) | |
| 74 : m_node(node) | |
| 75 { | |
| 76 switch (type) { | |
| 77 case ItemForDocumentFragmentNode: | |
| 78 m_isDocumentFragmentNode = true; | |
| 79 break; | |
| 80 case ItemForContextElement: | |
| 81 m_tokenLocalName = m_node->localName(); | |
| 82 m_isDocumentFragmentNode = false; | |
| 83 break; | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 HTMLStackItem(PassRefPtrWillBeRawPtr<ContainerNode> node, AtomicHTMLToken* t
oken) | |
| 88 : m_node(node) | |
| 89 , m_tokenLocalName(token->name()) | |
| 90 , m_isDocumentFragmentNode(false) | |
| 91 { | |
| 92 } | |
| 93 | |
| 94 RefPtrWillBeMember<ContainerNode> m_node; | |
| 95 | |
| 96 AtomicString m_tokenLocalName; | |
| 97 bool m_isDocumentFragmentNode; | |
| 98 }; | |
| 99 | |
| 100 } // namespace blink | |
| 101 | |
| 102 #endif // HTMLStackItem_h | |
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