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/*
* Copyright (C) 2010 Google, 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 HTMLFormattingElementList_h
#define HTMLFormattingElementList_h
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class AtomicString;
class Element;
// This may end up merged into HTMLElementStack.
class HTMLFormattingElementList : public Noncopyable {
public:
HTMLFormattingElementList();
~HTMLFormattingElementList();
// Ideally Entry would be private, but HTMLTreeBuilder has to coordinate
// between the HTMLFormattingElementList and HTMLElementStack and needs
// access to Entry::isMarker() and Entry::replaceElement() to do so.
class Entry {
public:
Entry(Element*);
enum MarkerEntryType { MarkerEntry };
Entry(MarkerEntryType);
~Entry();
bool isMarker() const;
Element* element() const;
void replaceElement(PassRefPtr<Element>);
// Needed for use with Vector.
bool operator==(const Entry&) const;
bool operator!=(const Entry&) const;
private:
RefPtr<Element> m_element;
};
bool isEmpty() const { return !size(); }
size_t size() const { return m_entries.size(); }
Element* closestElementInScopeWithName(const AtomicString&);
Entry* find(Element*);
bool contains(Element*);
void append(Element*);
void remove(Element*);
void appendMarker();
void clearToLastMarker();
const Entry& operator[](size_t i) const { return m_entries[i]; }
Entry& operator[](size_t i) { return m_entries[i]; }
private:
Vector<Entry> m_entries;
};
}
#endif // HTMLFormattingElementList_h
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