| /* |
| * Copyright (C) 2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2009 - 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #ifndef CSSPropertyParser_h |
| #define CSSPropertyParser_h |
| |
| #include "core/css/CSSGradientValue.h" |
| #include "core/css/CSSGridTemplateAreasValue.h" |
| #include "core/css/CSSPropertySourceData.h" |
| #include "platform/Length.h" |
| |
| namespace blink { |
| |
| class BorderImageParseContext; |
| class CSSBorderImageSliceValue; |
| class CSSBasicShape; |
| class CSSBasicShapeInset; |
| class CSSFunctionValue; |
| class CSSGradientValue; |
| class CSSGridLineNamesValue; |
| class CSSLineBoxContainValue; |
| struct CSSParserString; |
| struct CSSParserValue; |
| class CSSParserValueList; |
| class CSSPrimitiveValue; |
| class CSSProperty; |
| class CSSValue; |
| class CSSValueList; |
| class StylePropertyShorthand; |
| |
| // Inputs: PropertyID, isImportant bool, CSSParserValueList. |
| // Outputs: Vector of CSSProperties |
| |
| class CSSPropertyParser { |
| STACK_ALLOCATED(); |
| public: |
| |
| enum Units { |
| FUnknown = 0x0000, |
| FInteger = 0x0001, |
| FNumber = 0x0002, // Real Numbers |
| FPercent = 0x0004, |
| FLength = 0x0008, |
| FAngle = 0x0010, |
| FTime = 0x0020, |
| FFrequency = 0x0040, |
| FPositiveInteger = 0x0080, |
| FRelative = 0x0100, |
| FResolution = 0x0200, |
| FNonNeg = 0x0400, |
| FUnitlessQuirk = 0x0800 |
| }; |
| |
| static bool parseValue(CSSPropertyID, bool important, |
| CSSParserValueList*, const CSSParserContext&, |
| WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type); |
| |
| static bool isSystemColor(CSSValueID); |
| static bool isColorKeyword(CSSValueID); |
| |
| private: |
| CSSPropertyParser(CSSParserValueList*, const CSSParserContext&, |
| WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type); |
| |
| bool parseValue(CSSPropertyID, bool important); |
| |
| bool inShorthand() const { return m_inParseShorthand; } |
| bool inQuirksMode() const { return isQuirksModeBehavior(m_context.mode()); } |
| |
| bool parseViewportProperty(CSSPropertyID propId, bool important); |
| bool parseViewportShorthand(CSSPropertyID propId, CSSPropertyID first, CSSPropertyID second, bool important); |
| bool parseFontFaceDescriptor(CSSPropertyID); |
| |
| KURL completeURL(const String& url) const; |
| |
| void addProperty(CSSPropertyID, PassRefPtrWillBeRawPtr<CSSValue>, bool important, bool implicit = false); |
| void rollbackLastProperties(int num); |
| void addExpandedPropertyForValue(CSSPropertyID propId, PassRefPtrWillBeRawPtr<CSSValue>, bool); |
| |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseValidPrimitive(CSSValueID ident, CSSParserValue*); |
| |
| bool parseShorthand(CSSPropertyID, const StylePropertyShorthand&, bool important); |
| bool parse4Values(CSSPropertyID, const CSSPropertyID* properties, bool important); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseContent(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseQuotes(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseAttr(CSSParserValueList* args); |
| |
| bool parseFillImage(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&); |
| |
| enum FillPositionFlag { InvalidFillPosition = 0, AmbiguousFillPosition = 1, XFillPosition = 2, YFillPosition = 4 }; |
| enum FillPositionParsingMode { ResolveValuesAsPercent = 0, ResolveValuesAsKeyword = 1 }; |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseFillPositionComponent(CSSParserValueList*, unsigned& cumulativeFlags, FillPositionFlag& individualFlag, FillPositionParsingMode = ResolveValuesAsPercent, Units = FUnknown); |
| PassRefPtrWillBeRawPtr<CSSValue> parseFillPositionX(CSSParserValueList*); |
| PassRefPtrWillBeRawPtr<CSSValue> parseFillPositionY(CSSParserValueList*); |
| void parse2ValuesFillPosition(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&, Units = FUnknown); |
| bool isPotentialPositionValue(CSSParserValue*); |
| void parseFillPosition(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&, Units = FUnknown); |
| void parse3ValuesFillPosition(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>); |
| void parse4ValuesFillPosition(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>); |
| |
| void parseFillRepeat(RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&); |
| PassRefPtrWillBeRawPtr<CSSValue> parseFillSize(CSSPropertyID); |
| |
| bool parseFillProperty(CSSPropertyID propId, CSSPropertyID& propId1, CSSPropertyID& propId2, RefPtrWillBeRawPtr<CSSValue>&, RefPtrWillBeRawPtr<CSSValue>&); |
| bool parseFillShorthand(CSSPropertyID, const CSSPropertyID* properties, int numProperties, bool important); |
| |
| void addFillValue(RefPtrWillBeRawPtr<CSSValue>& lval, PassRefPtrWillBeRawPtr<CSSValue> rval); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationDelay(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationDirection(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationDuration(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationFillMode(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationIterationCount(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationName(bool allowQuotedName); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationPlayState(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationProperty(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationTimingFunction(); |
| |
| bool parseCubicBezierTimingFunctionValue(CSSParserValueList*& args, double& result); |
| |
| // Legacy parsing allows <string>s for animation-name |
| PassRefPtrWillBeRawPtr<CSSValue> parseAnimationProperty(CSSPropertyID, bool useLegacyParsing); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseAnimationPropertyList(CSSPropertyID, bool useLegacyParsing); |
| bool parseAnimationShorthand(bool useLegacyParsing, bool important); |
| bool parseTransitionShorthand(bool important); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseColumnWidth(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseColumnCount(); |
| bool parseColumnsShorthand(bool important); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseGridPosition(); |
| bool parseIntegerOrCustomIdentFromGridPosition(RefPtrWillBeRawPtr<CSSPrimitiveValue>& numericValue, RefPtrWillBeRawPtr<CSSPrimitiveValue>& gridLineName); |
| bool parseGridItemPositionShorthand(CSSPropertyID, bool important); |
| bool parseGridTemplateRowsAndAreas(PassRefPtrWillBeRawPtr<CSSValue>, bool important); |
| bool parseGridTemplateShorthand(bool important); |
| bool parseGridShorthand(bool important); |
| bool parseGridAreaShorthand(bool important); |
| bool parseSingleGridAreaLonghand(RefPtrWillBeRawPtr<CSSValue>&); |
| PassRefPtrWillBeRawPtr<CSSValue> parseGridTrackList(); |
| bool parseGridTrackRepeatFunction(CSSValueList&); |
| PassRefPtrWillBeRawPtr<CSSValue> parseGridTrackSize(CSSParserValueList& inputList); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseGridBreadth(CSSParserValue*); |
| bool parseGridTemplateAreasRow(NamedGridAreaMap&, const size_t, size_t&); |
| PassRefPtrWillBeRawPtr<CSSValue> parseGridTemplateAreas(); |
| bool parseGridLineNames(CSSParserValueList&, CSSValueList&, CSSGridLineNamesValue* = nullptr); |
| PassRefPtrWillBeRawPtr<CSSValue> parseGridAutoFlow(CSSParserValueList&); |
| |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseClipShape(); |
| |
| bool parseLegacyPosition(CSSPropertyID, bool important); |
| bool parseItemPositionOverflowPosition(CSSPropertyID, bool important); |
| PassRefPtrWillBeRawPtr<CSSValue> parseContentDistributionOverflowPosition(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseShapeProperty(CSSPropertyID propId); |
| PassRefPtrWillBeRawPtr<CSSValue> parseBasicShapeAndOrBox(); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseBasicShape(); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseShapeRadius(CSSParserValue*); |
| |
| PassRefPtrWillBeRawPtr<CSSBasicShape> parseBasicShapeCircle(CSSParserValueList* args); |
| PassRefPtrWillBeRawPtr<CSSBasicShape> parseBasicShapeEllipse(CSSParserValueList* args); |
| PassRefPtrWillBeRawPtr<CSSBasicShape> parseBasicShapePolygon(CSSParserValueList* args); |
| PassRefPtrWillBeRawPtr<CSSBasicShape> parseBasicShapeInset(CSSParserValueList* args); |
| |
| bool parseFont(bool important); |
| void parseSystemFont(bool important); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseFontFamily(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseCounter(int defaultValue); |
| PassRefPtrWillBeRawPtr<CSSValue> parseCounterContent(CSSParserValueList* args, bool counters); |
| |
| bool parseColorParameters(const CSSParserValue*, int* colorValues, bool parseAlpha); |
| bool parseHSLParameters(const CSSParserValue*, double* colorValues, bool parseAlpha); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseColor(const CSSParserValue*, bool acceptQuirkyColors = false); |
| bool parseColorFromValue(const CSSParserValue*, RGBA32&, bool acceptQuirkyColors = false); |
| |
| bool acceptQuirkyColors(CSSPropertyID) const; |
| |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseLineHeight(); |
| bool parseFontSize(bool important); |
| bool parseFontVariant(bool important); |
| bool parseFontWeight(bool important); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseFontFaceSrc(); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseFontFaceUnicodeRange(); |
| |
| bool parseSVGValue(CSSPropertyID propId, bool important); |
| PassRefPtrWillBeRawPtr<CSSValue> parseSVGStrokeDasharray(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parsePaintOrder() const; |
| |
| // CSS3 Parsing Routines (for properties specific to CSS3) |
| PassRefPtrWillBeRawPtr<CSSValueList> parseShadow(CSSParserValueList*, CSSPropertyID); |
| bool parseBorderImageShorthand(CSSPropertyID, bool important); |
| PassRefPtrWillBeRawPtr<CSSValue> parseBorderImage(CSSPropertyID); |
| bool parseBorderImageRepeat(RefPtrWillBeRawPtr<CSSValue>&); |
| bool parseBorderImageSlice(CSSPropertyID, RefPtrWillBeRawPtr<CSSBorderImageSliceValue>&); |
| bool parseBorderImageWidth(RefPtrWillBeRawPtr<CSSPrimitiveValue>&); |
| bool parseBorderImageOutset(RefPtrWillBeRawPtr<CSSPrimitiveValue>&); |
| bool parseBorderRadius(CSSPropertyID, bool important); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseReflect(); |
| |
| bool parseFlex(CSSParserValueList* args, bool important); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parsePosition(CSSParserValueList*); |
| PassRefPtrWillBeRawPtr<CSSValueList> parsePositionList(CSSParserValueList*); |
| |
| // Image generators |
| bool parseCanvas(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&); |
| |
| bool parseDeprecatedGradient(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&); |
| bool parseDeprecatedLinearGradient(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, CSSGradientRepeat repeating); |
| bool parseDeprecatedRadialGradient(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, CSSGradientRepeat repeating); |
| bool parseLinearGradient(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, CSSGradientRepeat repeating); |
| bool parseRadialGradient(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&, CSSGradientRepeat repeating); |
| bool parseGradientColorStops(CSSParserValueList*, CSSGradientValue*, bool expectComma); |
| |
| bool parseCrossfade(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseImageSet(CSSParserValueList*); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseWillChange(); |
| |
| PassRefPtrWillBeRawPtr<CSSValueList> parseFilter(); |
| PassRefPtrWillBeRawPtr<CSSFunctionValue> parseBuiltinFilterArguments(CSSParserValueList*, CSSValueID); |
| |
| PassRefPtrWillBeRawPtr<CSSValueList> parseTransformOrigin(); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseTransform(bool useLegacyParsing); |
| PassRefPtrWillBeRawPtr<CSSValue> parseTransformValue(bool useLegacyParsing, CSSParserValue*); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseMotionPath(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseMotionRotation(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseTextEmphasisStyle(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseTouchAction(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseTextDecoration(); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseTextIndent(); |
| |
| PassRefPtrWillBeRawPtr<CSSLineBoxContainValue> parseLineBoxContain(); |
| bool parseCalculation(CSSParserValue*, ValueRange); |
| |
| bool parseFontFeatureTag(CSSValueList*); |
| PassRefPtrWillBeRawPtr<CSSValue> parseFontFeatureSettings(); |
| |
| bool parseFontVariantLigatures(bool important); |
| |
| bool parseGeneratedImage(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&); |
| |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveNumericValue(CSSParserValue*); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveStringValue(CSSParserValue*); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveCustomIdentValue(CSSParserValue*); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> createCSSImageValueWithReferrer(const String& rawValue, const KURL&); |
| |
| PassRefPtrWillBeRawPtr<CSSBasicShape> parseInsetRoundedCorners(PassRefPtrWillBeRawPtr<CSSBasicShapeInset>, CSSParserValueList*); |
| |
| enum SizeParameterType { |
| None, |
| Auto, |
| Length, |
| PageSize, |
| Orientation, |
| }; |
| |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parsePage(); |
| PassRefPtrWillBeRawPtr<CSSValueList> parseSize(); |
| SizeParameterType parseSizeParameter(CSSValueList* parsedValues, CSSParserValue*, SizeParameterType prevParamType); |
| |
| bool parseFontFaceSrcURI(CSSValueList*); |
| bool parseFontFaceSrcLocal(CSSValueList*); |
| |
| class ImplicitScope { |
| STACK_ALLOCATED(); |
| WTF_MAKE_NONCOPYABLE(ImplicitScope); |
| public: |
| ImplicitScope(CSSPropertyParser* parser) |
| : m_parser(parser) |
| { |
| m_parser->m_implicitShorthand = true; |
| } |
| |
| ~ImplicitScope() |
| { |
| m_parser->m_implicitShorthand = false; |
| } |
| |
| private: |
| CSSPropertyParser* m_parser; |
| }; |
| |
| class ShorthandScope { |
| STACK_ALLOCATED(); |
| public: |
| ShorthandScope(CSSPropertyParser* parser, CSSPropertyID propId) : m_parser(parser) |
| { |
| if (!(m_parser->m_inParseShorthand++)) |
| m_parser->m_currentShorthand = propId; |
| } |
| ~ShorthandScope() |
| { |
| if (!(--m_parser->m_inParseShorthand)) |
| m_parser->m_currentShorthand = CSSPropertyInvalid; |
| } |
| |
| private: |
| CSSPropertyParser* m_parser; |
| }; |
| |
| enum ReleaseParsedCalcValueCondition { |
| ReleaseParsedCalcValue, |
| DoNotReleaseParsedCalcValue |
| }; |
| |
| friend inline Units operator|(Units a, Units b) |
| { |
| return static_cast<Units>(static_cast<unsigned>(a) | static_cast<unsigned>(b)); |
| } |
| |
| bool validWidthOrHeight(CSSParserValue*, Units); |
| |
| bool validCalculationUnit(CSSParserValue*, Units, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue); |
| |
| bool shouldAcceptUnitLessValues(CSSParserValue*, Units, CSSParserMode); |
| |
| inline bool validUnit(CSSParserValue* value, Units unitflags, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue) { return validUnit(value, unitflags, m_context.mode(), releaseCalc); } |
| bool validUnit(CSSParserValue*, Units, CSSParserMode, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue); |
| |
| bool parseBorderImageQuad(Units, RefPtrWillBeRawPtr<CSSPrimitiveValue>&); |
| int colorIntFromValue(CSSParserValue*); |
| |
| bool buildBorderImageParseContext(CSSPropertyID, BorderImageParseContext&); |
| |
| bool parseDeprecatedGradientColorStop(CSSParserValue*, CSSGradientColorStop&); |
| PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseDeprecatedGradientStopColor(const CSSParserValue*); |
| |
| void commitBorderImageProperty(CSSPropertyID, PassRefPtrWillBeRawPtr<CSSValue>, bool important); |
| |
| PassRefPtrWillBeRawPtr<CSSValue> parseScrollSnapPoints(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseScrollSnapDestination(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseScrollSnapCoordinate(); |
| PassRefPtrWillBeRawPtr<CSSValue> parseScrollSnapPosition(); |
| |
| private: |
| // Inputs: |
| CSSParserValueList* m_valueList; |
| const CSSParserContext& m_context; |
| |
| // Outputs: |
| WillBeHeapVector<CSSProperty, 256>& m_parsedProperties; |
| StyleRule::Type m_ruleType; |
| |
| // Locals during parsing: |
| int m_inParseShorthand; |
| CSSPropertyID m_currentShorthand; |
| bool m_implicitShorthand; |
| RefPtrWillBeMember<CSSCalcValue> m_parsedCalculation; |
| }; |
| |
| CSSPropertyID unresolvedCSSPropertyID(const CSSParserString&); |
| CSSValueID cssValueKeywordID(const CSSParserString&); |
| |
| } // namespace blink |
| |
| #endif // CSSPropertyParser_h |