| Florin Malita | b341810 | 2020-10-15 18:10:29 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SkSVGAttributeParser_DEFINED |
| 9 | #define SkSVGAttributeParser_DEFINED |
| 10 | |
| 11 | #include "include/private/SkNoncopyable.h" |
| 12 | #include "modules/svg/include/SkSVGTypes.h" |
| 13 | |
| 14 | class SkSVGAttributeParser : public SkNoncopyable { |
| 15 | public: |
| 16 | SkSVGAttributeParser(const char[]); |
| 17 | |
| 18 | bool parseColor(SkSVGColorType*); |
| 19 | bool parseClipPath(SkSVGClip*); |
| 20 | bool parseFillRule(SkSVGFillRule*); |
| 21 | bool parseNumber(SkSVGNumberType*); |
| 22 | bool parseLength(SkSVGLength*); |
| 23 | bool parseViewBox(SkSVGViewBoxType*); |
| 24 | bool parseTransform(SkSVGTransformType*); |
| 25 | bool parsePaint(SkSVGPaint*); |
| 26 | bool parseLineCap(SkSVGLineCap*); |
| 27 | bool parseLineJoin(SkSVGLineJoin*); |
| 28 | bool parsePoints(SkSVGPointsType*); |
| 29 | bool parseIRI(SkSVGStringType*); |
| 30 | bool parseSpreadMethod(SkSVGSpreadMethod*); |
| 31 | bool parseStopColor(SkSVGStopColor*); |
| 32 | bool parseVisibility(SkSVGVisibility*); |
| 33 | bool parseDashArray(SkSVGDashArray*); |
| 34 | |
| 35 | private: |
| 36 | // Stack-only |
| 37 | void* operator new(size_t) = delete; |
| 38 | void* operator new(size_t, void*) = delete; |
| 39 | |
| 40 | template <typename F> |
| 41 | bool advanceWhile(F func); |
| 42 | |
| 43 | bool parseWSToken(); |
| 44 | bool parseEOSToken(); |
| 45 | bool parseSepToken(); |
| 46 | bool parseCommaWspToken(); |
| 47 | bool parseExpectedStringToken(const char*); |
| 48 | bool parseScalarToken(SkScalar*); |
| 49 | bool parseHexToken(uint32_t*); |
| 50 | bool parseLengthUnitToken(SkSVGLength::Unit*); |
| 51 | bool parseNamedColorToken(SkColor*); |
| 52 | bool parseHexColorToken(SkColor*); |
| 53 | bool parseColorComponentToken(int32_t*); |
| 54 | bool parseRGBColorToken(SkColor*); |
| 55 | bool parseFuncIRI(SkSVGStringType*); |
| 56 | |
| 57 | // Transform helpers |
| 58 | bool parseMatrixToken(SkMatrix*); |
| 59 | bool parseTranslateToken(SkMatrix*); |
| 60 | bool parseScaleToken(SkMatrix*); |
| 61 | bool parseRotateToken(SkMatrix*); |
| 62 | bool parseSkewXToken(SkMatrix*); |
| 63 | bool parseSkewYToken(SkMatrix*); |
| 64 | |
| 65 | // Parses a sequence of 'WS* <prefix> WS* (<nested>)', where the nested sequence |
| 66 | // is handled by the passed functor. |
| 67 | template <typename Func, typename T> |
| 68 | bool parseParenthesized(const char* prefix, Func, T* result); |
| 69 | |
| 70 | // The current position in the input string. |
| 71 | const char* fCurPos; |
| 72 | |
| 73 | using INHERITED = SkNoncopyable; |
| 74 | }; |
| 75 | |
| 76 | #endif // SkSVGAttributeParser_DEFINED |