/*

 * Copyright (C) 2002, 2003 The Karbon Developers

 *               2006       Alexander Kellett <lypanov@kde.org>

 *               2006, 2007 Rob Buis <buis@kde.org>

 * Copyrigth (C) 2007, 2009 Apple, Inc.  All rights reserved.

 * Copyright (C) Research In Motion Limited 2010. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#ifndef SVGPathParser_h

#define SVGPathParser_h

#if ENABLE(SVG)

#include "PlatformString.h"

#include "SVGPathConsumer.h"

namespace WebCore {

class SVGPathParser {

public:

    SVGPathParser(SVGPathConsumer*);

    ~SVGPathParser();

    bool parsePathDataString(const String&, bool normalized = false);

private:

    bool decomposeArcToCubic(float, float, float, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag);

    void parseClosePathSegment();

    bool parseMoveToSegment();

    bool parseLineToSegment();

    bool parseLineToHorizontalSegment();

    bool parseLineToVerticalSegment();

    bool parseCurveToCubicSegment();

    bool parseCurveToCubicSmoothSegment();

    bool parseCurveToQuadraticSegment();

    bool parseCurveToQuadraticSmoothSegment();

    bool parseArcToSegment();

    SVGPathConsumer* m_consumer;

    PathCoordinateMode m_mode;

    const UChar* m_ptr;

    const UChar* m_end;

    char m_lastCommand;

    bool m_normalized;

    bool m_pathClosed;

    FloatPoint m_controlPoint;

    FloatPoint m_currentPoint;

    FloatPoint m_subPathPoint;

};

} // namespace WebCore

#endif // ENABLE(SVG)

#endif // SVGPathParser_h