1/*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGPathStringSource_h
21#define SVGPathStringSource_h
22
23#if ENABLE(SVG)
24#include "FloatPoint.h"
25#include "PlatformString.h"
26#include "SVGPathSource.h"
27#include <wtf/PassOwnPtr.h>
28
29namespace WebCore {
30
31class SVGPathStringSource : public SVGPathSource {
32public:
33    static PassOwnPtr<SVGPathStringSource> create(const String& string)
34    {
35        return adoptPtr(new SVGPathStringSource(string));
36    }
37
38private:
39    SVGPathStringSource(const String&);
40
41    virtual bool hasMoreData() const;
42    virtual bool moveToNextToken();
43    virtual bool parseSVGSegmentType(SVGPathSegType&);
44    virtual SVGPathSegType nextCommand(SVGPathSegType previousCommand);
45
46    virtual bool parseMoveToSegment(FloatPoint&);
47    virtual bool parseLineToSegment(FloatPoint&);
48    virtual bool parseLineToHorizontalSegment(float&);
49    virtual bool parseLineToVerticalSegment(float&);
50    virtual bool parseCurveToCubicSegment(FloatPoint&, FloatPoint&, FloatPoint&);
51    virtual bool parseCurveToCubicSmoothSegment(FloatPoint&, FloatPoint&);
52    virtual bool parseCurveToQuadraticSegment(FloatPoint&, FloatPoint&);
53    virtual bool parseCurveToQuadraticSmoothSegment(FloatPoint&);
54    virtual bool parseArcToSegment(float&, float&, float&, bool&, bool&, FloatPoint&);
55
56    String m_string;
57
58    const UChar* m_current;
59    const UChar* m_end;
60};
61
62} // namespace WebCore
63
64#endif // ENABLE(SVG)
65#endif // SVGPathStringSource_h
66