gecko-dev/dom/svg/SVGTransformListParser.h

57 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_SVGTRANSFORMLISTPARSER_H__
#define MOZILLA_SVGTRANSFORMLISTPARSER_H__
#include "mozilla/Attributes.h"
#include "nsSVGDataParser.h"
#include "nsTArray.h"
////////////////////////////////////////////////////////////////////////
// SVGTransformListParser: A simple recursive descent parser that builds
// transform lists from transform attributes. The grammar for path data
// can be found in SVG 1.1, chapter 7.
// http://www.w3.org/TR/SVG11/coords.html#TransformAttribute
namespace mozilla {
class nsSVGTransform;
class SVGTransformListParser : public nsSVGDataParser {
public:
explicit SVGTransformListParser(const nsAString& aValue)
: nsSVGDataParser(aValue) {}
bool Parse();
const nsTArray<nsSVGTransform>& GetTransformList() const {
return mTransforms;
}
private:
// helpers
bool ParseArguments(float* aResult, uint32_t aMaxCount,
uint32_t* aParsedCount);
bool ParseTransforms();
bool ParseTransform();
bool ParseTranslate();
bool ParseScale();
bool ParseRotate();
bool ParseSkewX();
bool ParseSkewY();
bool ParseMatrix();
FallibleTArray<nsSVGTransform> mTransforms;
};
} // namespace mozilla
#endif // MOZILLA_SVGTRANSFORMLISTPARSER_H__