Rework the SVGPathSource interface

Source/core/svg/SVGPathParser.h

 /*
  * Copyright (C) 2002, 2003 The Karbon Developers
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (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
@@ skipping 30 matching lines @@
     {
         ASSERT(m_source);
         ASSERT(m_consumer);
     }
 
     bool parsePathDataFromSource(PathParsingMode, bool checkForInitialMoveTo = true);
 
     DECLARE_TRACE();
 
 private:
+    bool initialCommandIsMoveTo();
     bool decomposeArcToCubic(float, float, float, const FloatPoint&, const 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();
+    void emitMoveToSegment(PathSegmentData&);
+    void emitLineToSegment(PathSegmentData&);
+    void emitLineToHorizontalSegment(PathSegmentData&);
+    void emitLineToVerticalSegment(PathSegmentData&);
+    void emitCurveToCubicSegment(PathSegmentData&);
+    void emitCurveToCubicSmoothSegment(PathSegmentData&);
+    void emitCurveToQuadraticSegment(PathSegmentData&);
+    void emitCurveToQuadraticSmoothSegment(PathSegmentData&);
+    void emitArcToSegment(PathSegmentData&);
 
     RawPtrWillBeMember<SVGPathSource> m_source;
     RawPtrWillBeMember<SVGPathConsumer> m_consumer;
     PathCoordinateMode m_mode;
     PathParsingMode m_pathParsingMode;
     SVGPathSegType m_lastCommand;
     FloatPoint m_controlPoint;
     FloatPoint m_currentPoint;
     FloatPoint m_subPathPoint;
 };
 
 } // namespace blink
 
 #endif // SVGPathParser_h