/*

 * Copyright (C) 2006 Apple Computer, 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 APPLE COMPUTER, 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 APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * 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 TextDocument_h

#define TextDocument_h

#include "HTMLDocument.h"

#include "Tokenizer.h"

namespace WebCore {

class DOMImplementation;

class FrameView;

class HTMLViewSourceDocument;

class TextTokenizer : public Tokenizer {

public:

    TextTokenizer(Document* doc);

    TextTokenizer(HTMLViewSourceDocument* doc);

    virtual bool write(const SegmentedString&, bool appendData);

    virtual void finish();

    virtual bool isWaitingForScripts() const;

    inline void checkBuffer(int len = 10)

    {

        if ((m_dest - m_buffer) > m_size - len) {

            // Enlarge buffer

            int newSize = std::max(m_size * 2, m_size + len);

            int oldOffset = m_dest - m_buffer;

            m_buffer = static_cast<UChar*>(fastRealloc(m_buffer, newSize * sizeof(UChar)));

            m_dest = m_buffer + oldOffset;

            m_size = newSize;

        }

    }

private:

    Document* m_doc;

    Element* m_preElement;

    bool m_skipLF;

    int m_size;

    UChar* m_buffer;

    UChar* m_dest;

};

class TextDocument : public HTMLDocument

{

public:

    TextDocument(DOMImplementation*, Frame*);

    virtual Tokenizer* createTokenizer();

};

}

#endif // TextDocument_h