skia2/experimental/svg/model/SkSVGAttributeParser.h

65 lines
1.8 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSVGAttributeParser_DEFINED
#define SkSVGAttributeParser_DEFINED
#include "SkSVGTypes.h"
class SkSVGAttributeParser : public SkNoncopyable {
public:
SkSVGAttributeParser(const char[]);
bool parseColor(SkSVGColorType*);
bool parseNumber(SkSVGNumberType*);
bool parseLength(SkSVGLength*);
bool parseViewBox(SkSVGViewBoxType*);
bool parseTransform(SkSVGTransformType*);
bool parsePaint(SkSVGPaint*);
bool parseLineCap(SkSVGLineCap*);
bool parseLineJoin(SkSVGLineJoin*);
bool parsePoints(SkSVGPointsType*);
private:
// Stack-only
void* operator new(size_t) = delete;
void* operator new(size_t, void*) = delete;
template <typename F>
bool advanceWhile(F func);
bool parseWSToken();
bool parseEOSToken();
bool parseSepToken();
bool parseExpectedStringToken(const char*);
bool parseScalarToken(SkScalar*);
bool parseHexToken(uint32_t*);
bool parseLengthUnitToken(SkSVGLength::Unit*);
bool parseNamedColorToken(SkColor*);
bool parseHexColorToken(SkColor*);
// Transform helpers
bool parseMatrixToken(SkMatrix*);
bool parseTranslateToken(SkMatrix*);
bool parseScaleToken(SkMatrix*);
bool parseRotateToken(SkMatrix*);
bool parseSkewXToken(SkMatrix*);
bool parseSkewYToken(SkMatrix*);
// Parses a sequence of 'WS* <prefix> WS* (<nested>)', where the nested sequence
// is handled by the passed functor.
template <typename Func, typename T>
bool parseParenthesized(const char* prefix, Func, T* result);
// The current position in the input string.
const char* fCurPos;
typedef SkNoncopyable INHERITED;
};
#endif // SkSVGAttributeParser_DEFINED