Introduce SVGPathQuery to hold SVG path query methods

third_party/WebKit/Source/core/svg/SVGPathElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  */
 
 #include "config.h"
 #include "core/svg/SVGPathElement.h"
 
 #include "core/layout/svg/LayoutSVGPath.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGMPathElement.h"
-#include "core/svg/SVGPathUtilities.h"
+#include "core/svg/SVGPathQuery.h"
 #include "core/svg/SVGPointTearOff.h"
 
 namespace blink {
 
 class SVGAnimatedPathLength final : public SVGAnimatedNumber {
 public:
     static PassRefPtrWillBeRawPtr<SVGAnimatedPathLength> create(SVGPathElement* contextElement)
     {
         return adoptRefWillBeNoop(new SVGAnimatedPathLength(contextElement));
     }
@@ skipping 36 matching lines @@
 {
     // If this is a <use> instance, return the referenced path to maximize geometry sharing.
     if (const SVGElement* element = correspondingElement())
         return toSVGPathElement(element)->asPath();
 
     return m_path->currentValue()->path();
 }
 
 float SVGPathElement::getTotalLength()
 {
-    return getTotalLengthOfSVGPathByteStream(pathByteStream());
+    return SVGPathQuery(pathByteStream()).getTotalLength();
 }
 
 PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGPathElement::getPointAtLength(float length)
 {
-    FloatPoint point = getPointAtLengthOfSVGPathByteStream(pathByteStream(), length);
+    FloatPoint point = SVGPathQuery(pathByteStream()).getPointAtLength(length);
     return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnimVal);
 }
 
 unsigned SVGPathElement::getPathSegAtLength(float length)
 {
-    return getSVGPathSegAtLengthFromSVGPathByteStream(pathByteStream(), length);
+    return SVGPathQuery(pathByteStream()).getPathSegIndexAtLength(length);
 }
 
 void SVGPathElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (attrName == SVGNames::dAttr || attrName == SVGNames::pathLengthAttr) {
         SVGElement::InvalidationGuard invalidationGuard(this);
 
         LayoutSVGShape* layoutObject = toLayoutSVGShape(this->layoutObject());
 
         if (attrName == SVGNames::dAttr) {
@@ skipping 31 matching lines @@
     return InsertionDone;
 }
 
 void SVGPathElement::removedFrom(ContainerNode* rootParent)
 {
     SVGGeometryElement::removedFrom(rootParent);
     invalidateMPathDependencies();
 }
 
 } // namespace blink