2014-10-23 11:17:19 -07:00

103 lines
3.5 KiB
C++

/*
* Copyright (C) 2012 Company 100, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HTMLStackItem_h
#define HTMLStackItem_h
#include "core/HTMLNames.h"
#include "core/dom/Element.h"
#include "core/html/parser/AtomicHTMLToken.h"
#include "platform/RuntimeEnabledFeatures.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/text/AtomicString.h"
namespace blink {
class ContainerNode;
class HTMLStackItem : public RefCountedWillBeGarbageCollectedFinalized<HTMLStackItem> {
public:
enum ItemType {
ItemForContextElement,
ItemForDocumentFragmentNode
};
// Used by document fragment node and context element.
static PassRefPtrWillBeRawPtr<HTMLStackItem> create(PassRefPtrWillBeRawPtr<ContainerNode> node, ItemType type)
{
return adoptRefWillBeNoop(new HTMLStackItem(node, type));
}
// Used by HTMLElementStack.
static PassRefPtrWillBeRawPtr<HTMLStackItem> create(PassRefPtrWillBeRawPtr<ContainerNode> node, AtomicHTMLToken* token)
{
return adoptRefWillBeNoop(new HTMLStackItem(node, token));
}
Element* element() const { return toElement(m_node.get()); }
ContainerNode* node() const { return m_node.get(); }
bool isDocumentFragmentNode() const { return m_isDocumentFragmentNode; }
bool isElementNode() const { return !m_isDocumentFragmentNode; }
const AtomicString& localName() const { return m_tokenLocalName; }
bool hasLocalName(const AtomicString& name) const { return m_tokenLocalName == name; }
void trace(Visitor* visitor) { visitor->trace(m_node); }
private:
HTMLStackItem(PassRefPtrWillBeRawPtr<ContainerNode> node, ItemType type)
: m_node(node)
{
switch (type) {
case ItemForDocumentFragmentNode:
m_isDocumentFragmentNode = true;
break;
case ItemForContextElement:
m_tokenLocalName = m_node->localName();
m_isDocumentFragmentNode = false;
break;
}
}
HTMLStackItem(PassRefPtrWillBeRawPtr<ContainerNode> node, AtomicHTMLToken* token)
: m_node(node)
, m_tokenLocalName(token->name())
, m_isDocumentFragmentNode(false)
{
}
RefPtrWillBeMember<ContainerNode> m_node;
AtomicString m_tokenLocalName;
bool m_isDocumentFragmentNode;
};
} // namespace blink
#endif // HTMLStackItem_h