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| 1 /* | |
| 2 * Copyright (C) 2003 Lars Knoll (knoll@kde.org) | |
| 3 * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. | |
| 4 * Copyright (C) 2008 Eric Seidel <eric@webkit.org> | |
| 5 * Copyright (C) 2009 - 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserve
d. | |
| 6 * | |
| 7 * This library is free software; you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Library General Public | |
| 9 * License as published by the Free Software Foundation; either | |
| 10 * version 2 of the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This library is distributed in the hope that it will be useful, | |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Library General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Library General Public License | |
| 18 * along with this library; see the file COPYING.LIB. If not, write to | |
| 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 20 * Boston, MA 02110-1301, USA. | |
| 21 */ | |
| 22 | |
| 23 #ifndef CSSParser_h | |
| 24 #define CSSParser_h | |
| 25 | |
| 26 #include "CSSPropertyNames.h" | |
| 27 #include "CSSValueKeywords.h" | |
| 28 #include "core/css/CSSCalculationValue.h" | |
| 29 #include "core/css/CSSFilterValue.h" | |
| 30 #include "core/css/CSSGradientValue.h" | |
| 31 #include "core/css/CSSParserMode.h" | |
| 32 #include "core/css/CSSParserValues.h" | |
| 33 #include "core/css/CSSProperty.h" | |
| 34 #include "core/css/CSSPropertySourceData.h" | |
| 35 #include "core/css/CSSSelector.h" | |
| 36 #include "core/css/CSSTokenizer.h" | |
| 37 #include "core/css/MediaQuery.h" | |
| 38 #include "core/css/StylePropertySet.h" | |
| 39 #include "core/css/parser/CSSParserObserver.h" | |
| 40 #include "platform/graphics/Color.h" | |
| 41 #include "wtf/HashSet.h" | |
| 42 #include "wtf/OwnPtr.h" | |
| 43 #include "wtf/Vector.h" | |
| 44 #include "wtf/text/AtomicString.h" | |
| 45 #include "wtf/text/TextPosition.h" | |
| 46 | |
| 47 namespace WebCore { | |
| 48 | |
| 49 class AnimationParseContext; | |
| 50 class CSSArrayFunctionValue; | |
| 51 class CSSBorderImageSliceValue; | |
| 52 class CSSMixFunctionValue; | |
| 53 class CSSPrimitiveValue; | |
| 54 class CSSSelectorList; | |
| 55 class CSSShaderValue; | |
| 56 class CSSValue; | |
| 57 class CSSValueList; | |
| 58 class CSSBasicShape; | |
| 59 class Document; | |
| 60 class Element; | |
| 61 class ImmutableStylePropertySet; | |
| 62 class MediaQueryExp; | |
| 63 class MediaQuerySet; | |
| 64 class MutableStylePropertySet; | |
| 65 class StyleKeyframe; | |
| 66 class StylePropertyShorthand; | |
| 67 class StyleRuleBase; | |
| 68 class StyleRuleKeyframes; | |
| 69 class StyleKeyframe; | |
| 70 class StyleSheetContents; | |
| 71 class UseCounter; | |
| 72 | |
| 73 // FIXME: This class is shared with CSSTokenizer so should we rename it to CSSSo
urceLocation? | |
| 74 struct CSSParserLocation { | |
| 75 unsigned offset; | |
| 76 unsigned lineNumber; | |
| 77 CSSParserString token; | |
| 78 }; | |
| 79 | |
| 80 class CSSParser { | |
| 81 friend inline int cssyylex(void*, CSSParser*); | |
| 82 | |
| 83 public: | |
| 84 CSSParser(const CSSParserContext&, UseCounter* = 0); | |
| 85 | |
| 86 ~CSSParser(); | |
| 87 | |
| 88 void parseSheet(StyleSheetContents*, const String&, const TextPosition& star
tPosition = TextPosition::minimumPosition(), CSSParserObserver* = 0, bool = fals
e); | |
| 89 PassRefPtr<StyleRuleBase> parseRule(StyleSheetContents*, const String&); | |
| 90 PassRefPtr<StyleKeyframe> parseKeyframeRule(StyleSheetContents*, const Strin
g&); | |
| 91 bool parseSupportsCondition(const String&); | |
| 92 static bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String
&, bool important, CSSParserMode, StyleSheetContents*); | |
| 93 static bool parseColor(RGBA32& color, const String&, bool strict = false); | |
| 94 static bool parseSystemColor(RGBA32& color, const String&, Document*); | |
| 95 static PassRefPtr<CSSValueList> parseFontFaceValue(const AtomicString&); | |
| 96 PassRefPtr<CSSPrimitiveValue> parseValidPrimitive(CSSValueID ident, CSSParse
rValue*); | |
| 97 bool parseDeclaration(MutableStylePropertySet*, const String&, CSSParserObse
rver*, StyleSheetContents* contextStyleSheet); | |
| 98 static PassRefPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(con
st String&, Element*); | |
| 99 PassRefPtr<MediaQuerySet> parseMediaQueryList(const String&); | |
| 100 PassOwnPtr<Vector<double> > parseKeyframeKeyList(const String&); | |
| 101 | |
| 102 void addPropertyWithPrefixingVariant(CSSPropertyID, PassRefPtr<CSSValue>, bo
ol important, bool implicit = false); | |
| 103 void addProperty(CSSPropertyID, PassRefPtr<CSSValue>, bool important, bool i
mplicit = false); | |
| 104 void rollbackLastProperties(int num); | |
| 105 bool hasProperties() const { return !m_parsedProperties.isEmpty(); } | |
| 106 void addExpandedPropertyForValue(CSSPropertyID propId, PassRefPtr<CSSValue>,
bool); | |
| 107 void setCurrentProperty(CSSPropertyID); | |
| 108 | |
| 109 bool parseValue(CSSPropertyID, bool important); | |
| 110 bool parseShorthand(CSSPropertyID, const StylePropertyShorthand&, bool impor
tant); | |
| 111 bool parse4Values(CSSPropertyID, const CSSPropertyID* properties, bool impor
tant); | |
| 112 bool parseContent(CSSPropertyID, bool important); | |
| 113 bool parseQuotes(CSSPropertyID, bool important); | |
| 114 | |
| 115 static bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String
&, bool important, const Document&); | |
| 116 void storeVariableDeclaration(const CSSParserString&, PassOwnPtr<CSSParserVa
lueList>, bool important); | |
| 117 | |
| 118 PassRefPtr<CSSValue> parseAttr(CSSParserValueList* args); | |
| 119 | |
| 120 PassRefPtr<CSSValue> parseBackgroundColor(); | |
| 121 | |
| 122 bool parseFillImage(CSSParserValueList*, RefPtr<CSSValue>&); | |
| 123 | |
| 124 enum FillPositionFlag { InvalidFillPosition = 0, AmbiguousFillPosition = 1,
XFillPosition = 2, YFillPosition = 4 }; | |
| 125 enum FillPositionParsingMode { ResolveValuesAsPercent = 0, ResolveValuesAsKe
yword = 1 }; | |
| 126 PassRefPtr<CSSPrimitiveValue> parseFillPositionComponent(CSSParserValueList*
, unsigned& cumulativeFlags, FillPositionFlag& individualFlag, FillPositionParsi
ngMode = ResolveValuesAsPercent); | |
| 127 PassRefPtr<CSSValue> parseFillPositionX(CSSParserValueList*); | |
| 128 PassRefPtr<CSSValue> parseFillPositionY(CSSParserValueList*); | |
| 129 void parse2ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr
<CSSValue>&); | |
| 130 bool isPotentialPositionValue(CSSParserValue*); | |
| 131 void parseFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSVal
ue>&); | |
| 132 void parse3ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr
<CSSValue>&, PassRefPtr<CSSPrimitiveValue>, PassRefPtr<CSSPrimitiveValue>); | |
| 133 void parse4ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr
<CSSValue>&, PassRefPtr<CSSPrimitiveValue>, PassRefPtr<CSSPrimitiveValue>); | |
| 134 | |
| 135 void parseFillRepeat(RefPtr<CSSValue>&, RefPtr<CSSValue>&); | |
| 136 PassRefPtr<CSSValue> parseFillSize(CSSPropertyID, bool &allowComma); | |
| 137 | |
| 138 bool parseFillProperty(CSSPropertyID propId, CSSPropertyID& propId1, CSSProp
ertyID& propId2, RefPtr<CSSValue>&, RefPtr<CSSValue>&); | |
| 139 bool parseFillShorthand(CSSPropertyID, const CSSPropertyID* properties, int
numProperties, bool important); | |
| 140 | |
| 141 void addFillValue(RefPtr<CSSValue>& lval, PassRefPtr<CSSValue> rval); | |
| 142 | |
| 143 void addAnimationValue(RefPtr<CSSValue>& lval, PassRefPtr<CSSValue> rval); | |
| 144 | |
| 145 PassRefPtr<CSSValue> parseAnimationDelay(); | |
| 146 PassRefPtr<CSSValue> parseAnimationDirection(); | |
| 147 PassRefPtr<CSSValue> parseAnimationDuration(); | |
| 148 PassRefPtr<CSSValue> parseAnimationFillMode(); | |
| 149 PassRefPtr<CSSValue> parseAnimationIterationCount(); | |
| 150 PassRefPtr<CSSValue> parseAnimationName(); | |
| 151 PassRefPtr<CSSValue> parseAnimationPlayState(); | |
| 152 PassRefPtr<CSSValue> parseAnimationProperty(AnimationParseContext&); | |
| 153 PassRefPtr<CSSValue> parseAnimationTimingFunction(); | |
| 154 | |
| 155 bool parseTransformOriginShorthand(RefPtr<CSSValue>&, RefPtr<CSSValue>&, Ref
Ptr<CSSValue>&); | |
| 156 bool parseCubicBezierTimingFunctionValue(CSSParserValueList*& args, double&
result); | |
| 157 bool parseAnimationProperty(CSSPropertyID, RefPtr<CSSValue>&, AnimationParse
Context&); | |
| 158 bool parseTransitionShorthand(CSSPropertyID, bool important); | |
| 159 bool parseAnimationShorthand(CSSPropertyID, bool important); | |
| 160 | |
| 161 PassRefPtr<CSSValue> parseColumnWidth(); | |
| 162 PassRefPtr<CSSValue> parseColumnCount(); | |
| 163 bool parseColumnsShorthand(bool important); | |
| 164 | |
| 165 PassRefPtr<CSSValue> parseGridPosition(); | |
| 166 bool parseIntegerOrStringFromGridPosition(RefPtr<CSSPrimitiveValue>& numeric
Value, RefPtr<CSSPrimitiveValue>& gridLineName); | |
| 167 bool parseGridItemPositionShorthand(CSSPropertyID, bool important); | |
| 168 bool parseGridAreaShorthand(bool important); | |
| 169 bool parseSingleGridAreaLonghand(RefPtr<CSSValue>&); | |
| 170 bool parseGridTrackList(CSSPropertyID, bool important); | |
| 171 bool parseGridTrackRepeatFunction(CSSValueList&); | |
| 172 PassRefPtr<CSSValue> parseGridTrackSize(CSSParserValueList& inputList); | |
| 173 PassRefPtr<CSSPrimitiveValue> parseGridBreadth(CSSParserValue*); | |
| 174 PassRefPtr<CSSValue> parseGridTemplate(); | |
| 175 void parseGridLineNames(CSSParserValueList* inputList, CSSValueList&); | |
| 176 | |
| 177 bool parseClipShape(CSSPropertyID, bool important); | |
| 178 | |
| 179 PassRefPtr<CSSValue> parseShapeProperty(CSSPropertyID propId); | |
| 180 PassRefPtr<CSSPrimitiveValue> parseBasicShape(); | |
| 181 PassRefPtr<CSSPrimitiveValue> parseShapeRadius(CSSParserValue*); | |
| 182 PassRefPtr<CSSBasicShape> parseBasicShapeRectangle(CSSParserValueList* args)
; | |
| 183 PassRefPtr<CSSBasicShape> parseBasicShapeCircle(CSSParserValueList* args); | |
| 184 PassRefPtr<CSSBasicShape> parseDeprecatedBasicShapeCircle(CSSParserValueList
* args); | |
| 185 PassRefPtr<CSSBasicShape> parseBasicShapeEllipse(CSSParserValueList* args); | |
| 186 PassRefPtr<CSSBasicShape> parseBasicShapePolygon(CSSParserValueList* args); | |
| 187 PassRefPtr<CSSBasicShape> parseBasicShapeInsetRectangle(CSSParserValueList*
args); | |
| 188 | |
| 189 bool parseFont(bool important); | |
| 190 PassRefPtr<CSSValueList> parseFontFamily(); | |
| 191 | |
| 192 bool parseCounter(CSSPropertyID, int defaultValue, bool important); | |
| 193 PassRefPtr<CSSValue> parseCounterContent(CSSParserValueList* args, bool coun
ters); | |
| 194 | |
| 195 bool parseColorParameters(CSSParserValue*, int* colorValues, bool parseAlpha
); | |
| 196 bool parseHSLParameters(CSSParserValue*, double* colorValues, bool parseAlph
a); | |
| 197 PassRefPtr<CSSPrimitiveValue> parseColor(CSSParserValue* = 0); | |
| 198 bool parseColorFromValue(CSSParserValue*, RGBA32&); | |
| 199 void parseSelector(const String&, CSSSelectorList&); | |
| 200 | |
| 201 template<typename StringType> | |
| 202 static bool fastParseColor(RGBA32&, const StringType&, bool strict); | |
| 203 | |
| 204 bool parseLineHeight(bool important); | |
| 205 bool parseFontSize(bool important); | |
| 206 bool parseFontVariant(bool important); | |
| 207 bool parseFontWeight(bool important); | |
| 208 bool parseFontFaceSrc(); | |
| 209 bool parseFontFaceUnicodeRange(); | |
| 210 | |
| 211 bool parseSVGValue(CSSPropertyID propId, bool important); | |
| 212 PassRefPtr<CSSValue> parseSVGPaint(); | |
| 213 PassRefPtr<CSSValue> parseSVGColor(); | |
| 214 PassRefPtr<CSSValue> parseSVGStrokeDasharray(); | |
| 215 | |
| 216 PassRefPtr<CSSValue> parsePaintOrder() const; | |
| 217 | |
| 218 // CSS3 Parsing Routines (for properties specific to CSS3) | |
| 219 PassRefPtr<CSSValueList> parseShadow(CSSParserValueList*, CSSPropertyID); | |
| 220 bool parseBorderImageShorthand(CSSPropertyID, bool important); | |
| 221 PassRefPtr<CSSValue> parseBorderImage(CSSPropertyID); | |
| 222 bool parseBorderImageRepeat(RefPtr<CSSValue>&); | |
| 223 bool parseBorderImageSlice(CSSPropertyID, RefPtr<CSSBorderImageSliceValue>&)
; | |
| 224 bool parseBorderImageWidth(RefPtr<CSSPrimitiveValue>&); | |
| 225 bool parseBorderImageOutset(RefPtr<CSSPrimitiveValue>&); | |
| 226 bool parseBorderRadius(CSSPropertyID, bool important); | |
| 227 | |
| 228 bool parseAspectRatio(bool important); | |
| 229 | |
| 230 bool parseReflect(CSSPropertyID, bool important); | |
| 231 | |
| 232 bool parseFlex(CSSParserValueList* args, bool important); | |
| 233 | |
| 234 bool parseObjectPosition(bool important); | |
| 235 | |
| 236 // Image generators | |
| 237 bool parseCanvas(CSSParserValueList*, RefPtr<CSSValue>&); | |
| 238 | |
| 239 bool parseDeprecatedGradient(CSSParserValueList*, RefPtr<CSSValue>&); | |
| 240 bool parseDeprecatedLinearGradient(CSSParserValueList*, RefPtr<CSSValue>&, C
SSGradientRepeat repeating); | |
| 241 bool parseDeprecatedRadialGradient(CSSParserValueList*, RefPtr<CSSValue>&, C
SSGradientRepeat repeating); | |
| 242 bool parseLinearGradient(CSSParserValueList*, RefPtr<CSSValue>&, CSSGradient
Repeat repeating); | |
| 243 bool parseRadialGradient(CSSParserValueList*, RefPtr<CSSValue>&, CSSGradient
Repeat repeating); | |
| 244 bool parseGradientColorStops(CSSParserValueList*, CSSGradientValue*, bool ex
pectComma); | |
| 245 | |
| 246 bool parseCrossfade(CSSParserValueList*, RefPtr<CSSValue>&); | |
| 247 | |
| 248 PassRefPtr<CSSValue> parseImageSet(CSSParserValueList*); | |
| 249 | |
| 250 PassRefPtr<CSSValueList> parseFilter(); | |
| 251 PassRefPtr<CSSFilterValue> parseBuiltinFilterArguments(CSSParserValueList*,
CSSFilterValue::FilterOperationType); | |
| 252 PassRefPtr<CSSMixFunctionValue> parseMixFunction(CSSParserValue*); | |
| 253 PassRefPtr<CSSArrayFunctionValue> parseCustomFilterArrayFunction(CSSParserVa
lue*); | |
| 254 PassRefPtr<CSSValueList> parseCustomFilterTransform(CSSParserValueList*); | |
| 255 PassRefPtr<CSSValueList> parseCustomFilterParameters(CSSParserValueList*); | |
| 256 PassRefPtr<CSSFilterValue> parseCustomFilterFunctionWithAtRuleReferenceSynta
x(CSSParserValue*); | |
| 257 PassRefPtr<CSSFilterValue> parseCustomFilterFunctionWithInlineSyntax(CSSPars
erValue*); | |
| 258 PassRefPtr<CSSFilterValue> parseCustomFilterFunction(CSSParserValue*); | |
| 259 bool parseFilterRuleSrc(); | |
| 260 PassRefPtr<CSSShaderValue> parseFilterRuleSrcUriAndFormat(CSSParserValueList
*); | |
| 261 | |
| 262 static bool isBlendMode(CSSValueID); | |
| 263 static bool isCompositeOperator(CSSValueID); | |
| 264 | |
| 265 PassRefPtr<CSSValueList> parseTransform(); | |
| 266 PassRefPtr<CSSValue> parseTransformValue(CSSParserValue*); | |
| 267 bool parseTransformOrigin(CSSPropertyID propId, CSSPropertyID& propId1, CSSP
ropertyID& propId2, CSSPropertyID& propId3, RefPtr<CSSValue>&, RefPtr<CSSValue>&
, RefPtr<CSSValue>&); | |
| 268 bool parsePerspectiveOrigin(CSSPropertyID propId, CSSPropertyID& propId1, CS
SPropertyID& propId2, RefPtr<CSSValue>&, RefPtr<CSSValue>&); | |
| 269 | |
| 270 bool parseTextEmphasisStyle(bool important); | |
| 271 | |
| 272 bool parseTouchAction(bool important); | |
| 273 | |
| 274 void addTextDecorationProperty(CSSPropertyID, PassRefPtr<CSSValue>, bool imp
ortant); | |
| 275 bool parseTextDecoration(CSSPropertyID propId, bool important); | |
| 276 bool parseTextUnderlinePosition(bool important); | |
| 277 | |
| 278 PassRefPtr<CSSValue> parseTextIndent(); | |
| 279 | |
| 280 bool parseLineBoxContain(bool important); | |
| 281 bool parseCalculation(CSSParserValue*, ValueRange); | |
| 282 | |
| 283 bool parseFontFeatureTag(CSSValueList*); | |
| 284 bool parseFontFeatureSettings(bool important); | |
| 285 | |
| 286 bool parseFlowThread(const String& flowName); | |
| 287 bool parseFlowThread(CSSPropertyID, bool important); | |
| 288 bool parseRegionThread(CSSPropertyID, bool important); | |
| 289 | |
| 290 bool parseFontVariantLigatures(bool important); | |
| 291 | |
| 292 bool parseGeneratedImage(CSSParserValueList*, RefPtr<CSSValue>&); | |
| 293 | |
| 294 CSSParserSelector* createFloatingSelector(); | |
| 295 CSSParserSelector* createFloatingSelectorWithTagName(const QualifiedName&); | |
| 296 PassOwnPtr<CSSParserSelector> sinkFloatingSelector(CSSParserSelector*); | |
| 297 | |
| 298 Vector<OwnPtr<CSSParserSelector> >* createFloatingSelectorVector(); | |
| 299 PassOwnPtr<Vector<OwnPtr<CSSParserSelector> > > sinkFloatingSelectorVector(V
ector<OwnPtr<CSSParserSelector> >*); | |
| 300 | |
| 301 CSSParserValueList* createFloatingValueList(); | |
| 302 PassOwnPtr<CSSParserValueList> sinkFloatingValueList(CSSParserValueList*); | |
| 303 | |
| 304 CSSParserFunction* createFloatingFunction(); | |
| 305 CSSParserFunction* createFloatingFunction(const CSSParserString& name, PassO
wnPtr<CSSParserValueList> args); | |
| 306 PassOwnPtr<CSSParserFunction> sinkFloatingFunction(CSSParserFunction*); | |
| 307 | |
| 308 CSSParserValue& sinkFloatingValue(CSSParserValue&); | |
| 309 | |
| 310 MediaQuerySet* createMediaQuerySet(); | |
| 311 StyleRuleBase* createImportRule(const CSSParserString&, MediaQuerySet*); | |
| 312 StyleKeyframe* createKeyframe(CSSParserValueList*); | |
| 313 StyleRuleKeyframes* createKeyframesRule(const String&, PassOwnPtr<Vector<Ref
Ptr<StyleKeyframe> > >, bool isPrefixed); | |
| 314 | |
| 315 typedef Vector<RefPtr<StyleRuleBase> > RuleList; | |
| 316 StyleRuleBase* createMediaRule(MediaQuerySet*, RuleList*); | |
| 317 RuleList* createRuleList(); | |
| 318 RuleList* appendRule(RuleList*, StyleRuleBase*); | |
| 319 StyleRuleBase* createStyleRule(Vector<OwnPtr<CSSParserSelector> >* selectors
); | |
| 320 StyleRuleBase* createFontFaceRule(); | |
| 321 StyleRuleBase* createPageRule(PassOwnPtr<CSSParserSelector> pageSelector); | |
| 322 StyleRuleBase* createRegionRule(Vector<OwnPtr<CSSParserSelector> >* regionSe
lector, RuleList* rules); | |
| 323 StyleRuleBase* createMarginAtRule(CSSSelector::MarginBoxType); | |
| 324 StyleRuleBase* createSupportsRule(bool conditionIsSupported, RuleList*); | |
| 325 void markSupportsRuleHeaderStart(); | |
| 326 void markSupportsRuleHeaderEnd(); | |
| 327 PassRefPtr<CSSRuleSourceData> popSupportsRuleData(); | |
| 328 StyleRuleBase* createHostRule(RuleList* rules); | |
| 329 StyleRuleBase* createFilterRule(const CSSParserString&); | |
| 330 | |
| 331 void startDeclarationsForMarginBox(); | |
| 332 void endDeclarationsForMarginBox(); | |
| 333 | |
| 334 MediaQueryExp* createFloatingMediaQueryExp(const AtomicString&, CSSParserVal
ueList*); | |
| 335 PassOwnPtr<MediaQueryExp> sinkFloatingMediaQueryExp(MediaQueryExp*); | |
| 336 Vector<OwnPtr<MediaQueryExp> >* createFloatingMediaQueryExpList(); | |
| 337 PassOwnPtr<Vector<OwnPtr<MediaQueryExp> > > sinkFloatingMediaQueryExpList(Ve
ctor<OwnPtr<MediaQueryExp> >*); | |
| 338 MediaQuery* createFloatingMediaQuery(MediaQuery::Restrictor, const AtomicStr
ing&, PassOwnPtr<Vector<OwnPtr<MediaQueryExp> > >); | |
| 339 MediaQuery* createFloatingMediaQuery(PassOwnPtr<Vector<OwnPtr<MediaQueryExp>
> >); | |
| 340 MediaQuery* createFloatingNotAllQuery(); | |
| 341 PassOwnPtr<MediaQuery> sinkFloatingMediaQuery(MediaQuery*); | |
| 342 | |
| 343 Vector<RefPtr<StyleKeyframe> >* createFloatingKeyframeVector(); | |
| 344 PassOwnPtr<Vector<RefPtr<StyleKeyframe> > > sinkFloatingKeyframeVector(Vecto
r<RefPtr<StyleKeyframe> >*); | |
| 345 | |
| 346 void addNamespace(const AtomicString& prefix, const AtomicString& uri); | |
| 347 QualifiedName determineNameInNamespace(const AtomicString& prefix, const Ato
micString& localName); | |
| 348 | |
| 349 CSSParserSelector* rewriteSpecifiersWithElementName(const AtomicString& name
spacePrefix, const AtomicString& elementName, CSSParserSelector*, bool isNamespa
cePlaceholder = false); | |
| 350 CSSParserSelector* rewriteSpecifiersWithElementNameForCustomPseudoElement(co
nst QualifiedName& tag, const AtomicString& elementName, CSSParserSelector* spec
ifiers, bool tagIsForNamespaceRule); | |
| 351 CSSParserSelector* rewriteSpecifiersWithElementNameForContentPseudoElement(c
onst QualifiedName& tag, const AtomicString& elementName, CSSParserSelector* spe
cifiers, bool tagIsForNamespaceRule); | |
| 352 CSSParserSelector* rewriteSpecifiersWithNamespaceIfNeeded(CSSParserSelector*
); | |
| 353 CSSParserSelector* rewriteSpecifiers(CSSParserSelector*, CSSParserSelector*)
; | |
| 354 CSSParserSelector* rewriteSpecifiersForShadowDistributed(CSSParserSelector*
specifiers, CSSParserSelector* distributedPseudoElementSelector); | |
| 355 | |
| 356 void invalidBlockHit(); | |
| 357 | |
| 358 Vector<OwnPtr<CSSParserSelector> >* reusableSelectorVector() { return &m_reu
sableSelectorVector; } | |
| 359 | |
| 360 void setReusableRegionSelectorVector(Vector<OwnPtr<CSSParserSelector> >* sel
ectors); | |
| 361 Vector<OwnPtr<CSSParserSelector> >* reusableRegionSelectorVector() { return
&m_reusableRegionSelectorVector; } | |
| 362 | |
| 363 void clearProperties(); | |
| 364 | |
| 365 PassRefPtr<ImmutableStylePropertySet> createStylePropertySet(); | |
| 366 | |
| 367 CSSParserContext m_context; | |
| 368 | |
| 369 bool m_important; | |
| 370 CSSPropertyID m_id; | |
| 371 StyleSheetContents* m_styleSheet; | |
| 372 RefPtr<StyleRuleBase> m_rule; | |
| 373 RefPtr<StyleKeyframe> m_keyframe; | |
| 374 RefPtr<MediaQuerySet> m_mediaList; | |
| 375 OwnPtr<CSSParserValueList> m_valueList; | |
| 376 bool m_supportsCondition; | |
| 377 | |
| 378 typedef Vector<CSSProperty, 256> ParsedPropertyVector; | |
| 379 ParsedPropertyVector m_parsedProperties; | |
| 380 CSSSelectorList* m_selectorListForParseSelector; | |
| 381 | |
| 382 unsigned m_numParsedPropertiesBeforeMarginBox; | |
| 383 | |
| 384 int m_inParseShorthand; | |
| 385 CSSPropertyID m_currentShorthand; | |
| 386 bool m_implicitShorthand; | |
| 387 | |
| 388 bool m_hasFontFaceOnlyValues; | |
| 389 bool m_hadSyntacticallyValidCSSRule; | |
| 390 bool m_logErrors; | |
| 391 bool m_ignoreErrors; | |
| 392 | |
| 393 bool m_inFilterRule; | |
| 394 | |
| 395 AtomicString m_defaultNamespace; | |
| 396 | |
| 397 // tokenizer methods and data | |
| 398 CSSParserObserver* m_observer; | |
| 399 | |
| 400 // Local functions which just call into CSSParserObserver if non-null. | |
| 401 void startRule(); | |
| 402 void endRule(bool valid); | |
| 403 void startRuleHeader(CSSRuleSourceData::Type); | |
| 404 void endRuleHeader(); | |
| 405 void startSelector(); | |
| 406 void endSelector(); | |
| 407 void startRuleBody(); | |
| 408 void startProperty(); | |
| 409 void endProperty(bool isImportantFound, bool isPropertyParsed, CSSParserErro
r = NoCSSError); | |
| 410 void startEndUnknownRule(); | |
| 411 | |
| 412 void endInvalidRuleHeader(); | |
| 413 void reportError(const CSSParserLocation&, CSSParserError = GeneralCSSError)
; | |
| 414 void resumeErrorLogging() { m_ignoreErrors = false; } | |
| 415 void setLocationLabel(const CSSParserLocation& location) { m_locationLabel =
location; } | |
| 416 const CSSParserLocation& lastLocationLabel() const { return m_locationLabel;
} | |
| 417 | |
| 418 void tokenToLowerCase(const CSSParserString& token); | |
| 419 | |
| 420 void markViewportRuleBodyStart() { m_inViewport = true; } | |
| 421 void markViewportRuleBodyEnd() { m_inViewport = false; } | |
| 422 StyleRuleBase* createViewportRule(); | |
| 423 | |
| 424 PassRefPtr<CSSPrimitiveValue> createPrimitiveNumericValue(CSSParserValue*); | |
| 425 PassRefPtr<CSSPrimitiveValue> createPrimitiveStringValue(CSSParserValue*); | |
| 426 PassRefPtr<CSSPrimitiveValue> createPrimitiveVariableNameValue(CSSParserValu
e*); | |
| 427 | |
| 428 CSSParserLocation currentLocation() { return m_tokenizer.currentLocation();
} | |
| 429 | |
| 430 private: | |
| 431 enum PropertyType { | |
| 432 PropertyExplicit, | |
| 433 PropertyImplicit | |
| 434 }; | |
| 435 | |
| 436 class ImplicitScope { | |
| 437 WTF_MAKE_NONCOPYABLE(ImplicitScope); | |
| 438 public: | |
| 439 ImplicitScope(WebCore::CSSParser* parser, PropertyType propertyType) | |
| 440 : m_parser(parser) | |
| 441 { | |
| 442 m_parser->m_implicitShorthand = propertyType == CSSParser::PropertyI
mplicit; | |
| 443 } | |
| 444 | |
| 445 ~ImplicitScope() | |
| 446 { | |
| 447 m_parser->m_implicitShorthand = false; | |
| 448 } | |
| 449 | |
| 450 private: | |
| 451 WebCore::CSSParser* m_parser; | |
| 452 }; | |
| 453 | |
| 454 class StyleDeclarationScope { | |
| 455 WTF_MAKE_NONCOPYABLE(StyleDeclarationScope); | |
| 456 public: | |
| 457 StyleDeclarationScope(CSSParser* parser, const StylePropertySet* declara
tion) | |
| 458 : m_parser(parser) | |
| 459 , m_mode(declaration->cssParserMode()) | |
| 460 { | |
| 461 if (isCSSViewportParsingEnabledForMode(m_mode)) { | |
| 462 ASSERT(!m_parser->inViewport()); | |
| 463 m_parser->markViewportRuleBodyStart(); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 ~StyleDeclarationScope() | |
| 468 { | |
| 469 if (isCSSViewportParsingEnabledForMode(m_mode)) | |
| 470 m_parser->markViewportRuleBodyEnd(); | |
| 471 } | |
| 472 | |
| 473 private: | |
| 474 CSSParser* m_parser; | |
| 475 CSSParserMode m_mode; | |
| 476 }; | |
| 477 | |
| 478 inline void ensureLineEndings(); | |
| 479 | |
| 480 void setStyleSheet(StyleSheetContents* styleSheet) { m_styleSheet = styleShe
et; } | |
| 481 | |
| 482 bool inQuirksMode() const { return isQuirksModeBehavior(m_context.mode()); } | |
| 483 bool inViewport() const { return m_inViewport; } | |
| 484 | |
| 485 KURL completeURL(const String& url) const; | |
| 486 | |
| 487 void recheckAtKeyword(const UChar* str, int len); | |
| 488 | |
| 489 template<unsigned prefixLength, unsigned suffixLength> | |
| 490 inline void setupParser(const char (&prefix)[prefixLength], const String& st
ring, const char (&suffix)[suffixLength]) | |
| 491 { | |
| 492 setupParser(prefix, prefixLength - 1, string, suffix, suffixLength - 1); | |
| 493 } | |
| 494 void setupParser(const char* prefix, unsigned prefixLength, const String&, c
onst char* suffix, unsigned suffixLength); | |
| 495 bool inShorthand() const { return m_inParseShorthand; } | |
| 496 | |
| 497 bool validWidthOrHeight(CSSParserValue*); | |
| 498 | |
| 499 void deleteFontFaceOnlyValues(); | |
| 500 | |
| 501 bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool
important, StyleSheetContents* contextStyleSheet); | |
| 502 PassRefPtr<ImmutableStylePropertySet> parseDeclaration(const String&, StyleS
heetContents* contextStyleSheet); | |
| 503 | |
| 504 enum SizeParameterType { | |
| 505 None, | |
| 506 Auto, | |
| 507 Length, | |
| 508 PageSize, | |
| 509 Orientation, | |
| 510 }; | |
| 511 | |
| 512 bool parsePage(CSSPropertyID propId, bool important); | |
| 513 bool parseSize(CSSPropertyID propId, bool important); | |
| 514 SizeParameterType parseSizeParameter(CSSValueList* parsedValues, CSSParserVa
lue* value, SizeParameterType prevParamType); | |
| 515 | |
| 516 bool parseFontFaceSrcURI(CSSValueList*); | |
| 517 bool parseFontFaceSrcLocal(CSSValueList*); | |
| 518 | |
| 519 bool parseColor(const String&); | |
| 520 | |
| 521 const String* m_source; | |
| 522 TextPosition m_startPosition; | |
| 523 CSSRuleSourceData::Type m_ruleHeaderType; | |
| 524 unsigned m_ruleHeaderStartOffset; | |
| 525 int m_ruleHeaderStartLineNumber; | |
| 526 OwnPtr<Vector<unsigned> > m_lineEndings; | |
| 527 | |
| 528 bool m_ruleHasHeader; | |
| 529 | |
| 530 bool m_allowImportRules; | |
| 531 bool m_allowNamespaceDeclarations; | |
| 532 | |
| 533 bool parseViewportProperty(CSSPropertyID propId, bool important); | |
| 534 bool parseViewportShorthand(CSSPropertyID propId, CSSPropertyID first, CSSPr
opertyID second, bool important); | |
| 535 | |
| 536 bool m_inViewport; | |
| 537 | |
| 538 CSSParserLocation m_locationLabel; | |
| 539 | |
| 540 bool useLegacyBackgroundSizeShorthandBehavior() const; | |
| 541 | |
| 542 Vector<RefPtr<StyleRuleBase> > m_parsedRules; | |
| 543 Vector<RefPtr<StyleKeyframe> > m_parsedKeyframes; | |
| 544 Vector<RefPtr<MediaQuerySet> > m_parsedMediaQuerySets; | |
| 545 Vector<OwnPtr<RuleList> > m_parsedRuleLists; | |
| 546 Vector<CSSParserSelector*> m_floatingSelectors; | |
| 547 Vector<Vector<OwnPtr<CSSParserSelector> >*> m_floatingSelectorVectors; | |
| 548 Vector<CSSParserValueList*> m_floatingValueLists; | |
| 549 Vector<CSSParserFunction*> m_floatingFunctions; | |
| 550 | |
| 551 OwnPtr<MediaQuery> m_floatingMediaQuery; | |
| 552 OwnPtr<MediaQueryExp> m_floatingMediaQueryExp; | |
| 553 OwnPtr<Vector<OwnPtr<MediaQueryExp> > > m_floatingMediaQueryExpList; | |
| 554 | |
| 555 OwnPtr<Vector<RefPtr<StyleKeyframe> > > m_floatingKeyframeVector; | |
| 556 | |
| 557 Vector<OwnPtr<CSSParserSelector> > m_reusableSelectorVector; | |
| 558 Vector<OwnPtr<CSSParserSelector> > m_reusableRegionSelectorVector; | |
| 559 | |
| 560 RefPtr<CSSCalcValue> m_parsedCalculation; | |
| 561 | |
| 562 OwnPtr<RuleSourceDataList> m_supportsRuleDataStack; | |
| 563 | |
| 564 // defines units allowed for a certain property, used in parseUnit | |
| 565 enum Units { | |
| 566 FUnknown = 0x0000, | |
| 567 FInteger = 0x0001, | |
| 568 FNumber = 0x0002, // Real Numbers | |
| 569 FPercent = 0x0004, | |
| 570 FLength = 0x0008, | |
| 571 FAngle = 0x0010, | |
| 572 FTime = 0x0020, | |
| 573 FFrequency = 0x0040, | |
| 574 FPositiveInteger = 0x0080, | |
| 575 FRelative = 0x0100, | |
| 576 FResolution = 0x0200, | |
| 577 FNonNeg = 0x0400 | |
| 578 }; | |
| 579 | |
| 580 friend inline Units operator|(Units a, Units b) | |
| 581 { | |
| 582 return static_cast<Units>(static_cast<unsigned>(a) | static_cast<unsigne
d>(b)); | |
| 583 } | |
| 584 | |
| 585 enum ReleaseParsedCalcValueCondition { | |
| 586 ReleaseParsedCalcValue, | |
| 587 DoNotReleaseParsedCalcValue | |
| 588 }; | |
| 589 | |
| 590 bool isLoggingErrors(); | |
| 591 void logError(const String& message, const CSSParserLocation&); | |
| 592 | |
| 593 bool validCalculationUnit(CSSParserValue*, Units, ReleaseParsedCalcValueCond
ition releaseCalc = DoNotReleaseParsedCalcValue); | |
| 594 | |
| 595 bool shouldAcceptUnitLessValues(CSSParserValue*, Units, CSSParserMode); | |
| 596 | |
| 597 inline bool validUnit(CSSParserValue* value, Units unitflags, ReleaseParsedC
alcValueCondition releaseCalc = DoNotReleaseParsedCalcValue) { return validUnit(
value, unitflags, m_context.mode(), releaseCalc); } | |
| 598 bool validUnit(CSSParserValue*, Units, CSSParserMode, ReleaseParsedCalcValue
Condition releaseCalc = DoNotReleaseParsedCalcValue); | |
| 599 | |
| 600 bool parseBorderImageQuad(Units, RefPtr<CSSPrimitiveValue>&); | |
| 601 int colorIntFromValue(CSSParserValue*); | |
| 602 double parsedDouble(CSSParserValue*, ReleaseParsedCalcValueCondition release
Calc = DoNotReleaseParsedCalcValue); | |
| 603 bool isCalculation(CSSParserValue*); | |
| 604 | |
| 605 UseCounter* m_useCounter; | |
| 606 | |
| 607 CSSTokenizer m_tokenizer; | |
| 608 | |
| 609 friend class TransformOperationInfo; | |
| 610 friend class FilterOperationInfo; | |
| 611 }; | |
| 612 | |
| 613 CSSPropertyID cssPropertyID(const CSSParserString&); | |
| 614 CSSPropertyID cssPropertyID(const String&); | |
| 615 CSSValueID cssValueKeywordID(const CSSParserString&); | |
| 616 | |
| 617 class ShorthandScope { | |
| 618 WTF_MAKE_FAST_ALLOCATED; | |
| 619 public: | |
| 620 ShorthandScope(CSSParser* parser, CSSPropertyID propId) : m_parser(parser) | |
| 621 { | |
| 622 if (!(m_parser->m_inParseShorthand++)) | |
| 623 m_parser->m_currentShorthand = propId; | |
| 624 } | |
| 625 ~ShorthandScope() | |
| 626 { | |
| 627 if (!(--m_parser->m_inParseShorthand)) | |
| 628 m_parser->m_currentShorthand = CSSPropertyInvalid; | |
| 629 } | |
| 630 | |
| 631 private: | |
| 632 CSSParser* m_parser; | |
| 633 }; | |
| 634 | |
| 635 bool isValidNthToken(const CSSParserString&); | |
| 636 | |
| 637 inline int cssyylex(void* yylval, CSSParser* parser) | |
| 638 { | |
| 639 return parser->m_tokenizer.lex(yylval); | |
| 640 } | |
| 641 | |
| 642 } // namespace WebCore | |
| 643 | |
| 644 #endif // CSSParser_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 100453011:
Rename css/CSSParser to css/parser/BisonCSSParser. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk