SVGTransformListParser.h

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/* -*- 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 DOM_SVG_SVGTRANSFORMLISTPARSER_H_

#define DOM_SVG_SVGTRANSFORMLISTPARSER_H_

#include "mozilla/Attributes.h"

#include "SVGDataParser.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 SVGTransform;

class SVGTransformListParser : public SVGDataParser {

 public:

  explicit SVGTransformListParser(const nsAString& aValue)

      : SVGDataParser(aValue) {}

  bool Parse();

  const nsTArray<SVGTransform>& 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<SVGTransform> mTransforms;

};

}  // namespace mozilla

#endif  // DOM_SVG_SVGTRANSFORMLISTPARSER_H_