| /* |
| * 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 BisonCSSParser_h |
| #define BisonCSSParser_h |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/CSSValueKeywords.h" |
| #include "core/css/CSSCalculationValue.h" |
| #include "core/css/CSSFilterValue.h" |
| #include "core/css/CSSGradientValue.h" |
| #include "core/css/CSSProperty.h" |
| #include "core/css/CSSPropertySourceData.h" |
| #include "core/css/CSSSelector.h" |
| #include "core/css/MediaQuery.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/css/parser/CSSParserMode.h" |
| #include "core/css/parser/CSSParserObserver.h" |
| #include "core/css/parser/CSSParserValues.h" |
| #include "core/css/parser/CSSPropertyParser.h" |
| #include "core/css/parser/CSSTokenizer.h" |
| #include "platform/graphics/Color.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/AtomicString.h" |
| #include "wtf/text/TextPosition.h" |
| |
| namespace blink { |
| |
| class AnimationParseContext; |
| class CSSBorderImageSliceValue; |
| class CSSPrimitiveValue; |
| class CSSSelectorList; |
| class CSSValue; |
| class CSSValueList; |
| class CSSBasicShape; |
| class CSSBasicShapeInset; |
| class Document; |
| class Element; |
| class ImmutableStylePropertySet; |
| class MediaQueryExp; |
| class MediaQuerySet; |
| class MutableStylePropertySet; |
| class StyleColor; |
| class StyleKeyframe; |
| class StylePropertyShorthand; |
| class StyleRuleBase; |
| class StyleRuleKeyframes; |
| class StyleKeyframe; |
| class StyleSheetContents; |
| class UseCounter; |
| |
| // FIXME: This class is shared with CSSTokenizer so should we rename it to CSSSourceLocation? |
| struct CSSParserLocation { |
| unsigned offset; |
| unsigned lineNumber; |
| CSSParserString token; |
| }; |
| |
| class BisonCSSParser { |
| STACK_ALLOCATED(); |
| friend inline int cssyylex(void*, BisonCSSParser*); |
| public: |
| explicit BisonCSSParser(const CSSParserContext&); |
| ~BisonCSSParser(); |
| |
| void rollbackLastProperties(int num); |
| void setCurrentProperty(CSSPropertyID); |
| |
| void parseSheet(StyleSheetContents*, const String&, const TextPosition& startPosition = TextPosition::minimumPosition(), CSSParserObserver* = 0, bool = false); |
| PassRefPtrWillBeRawPtr<StyleRuleBase> parseRule(StyleSheetContents*, const String&); |
| PassRefPtrWillBeRawPtr<StyleKeyframe> parseKeyframeRule(StyleSheetContents*, const String&); |
| bool parseSupportsCondition(const String&); |
| static bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool important, CSSParserMode, StyleSheetContents*); |
| static bool parseColor(RGBA32& color, const String&, bool strict = false); |
| static StyleColor colorFromRGBColorString(const String&); |
| static bool parseSystemColor(RGBA32& color, const String&); |
| static PassRefPtrWillBeRawPtr<CSSValueList> parseFontFaceValue(const AtomicString&); |
| static PassRefPtrWillBeRawPtr<CSSValue> parseAnimationTimingFunctionValue(const String&); |
| bool parseDeclaration(MutableStylePropertySet*, const String&, CSSParserObserver*, StyleSheetContents* contextStyleSheet); |
| static PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(const String&, Element*); |
| PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQueryList(const String&); |
| PassOwnPtr<Vector<double> > parseKeyframeKeyList(const String&); |
| bool parseAttributeMatchType(CSSSelector::AttributeMatchType&, const String&); |
| |
| static bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool important, const Document&); |
| |
| bool parseValue(CSSPropertyID, bool important); |
| void parseSelector(const String&, CSSSelectorList&); |
| |
| CSSParserSelector* createFloatingSelector(); |
| CSSParserSelector* createFloatingSelectorWithTagName(const QualifiedName&); |
| PassOwnPtr<CSSParserSelector> sinkFloatingSelector(CSSParserSelector*); |
| |
| Vector<OwnPtr<CSSParserSelector> >* createFloatingSelectorVector(); |
| PassOwnPtr<Vector<OwnPtr<CSSParserSelector> > > sinkFloatingSelectorVector(Vector<OwnPtr<CSSParserSelector> >*); |
| |
| CSSParserValueList* createFloatingValueList(); |
| PassOwnPtr<CSSParserValueList> sinkFloatingValueList(CSSParserValueList*); |
| |
| CSSParserFunction* createFloatingFunction(); |
| CSSParserFunction* createFloatingFunction(const CSSParserString& name, PassOwnPtr<CSSParserValueList> args); |
| PassOwnPtr<CSSParserFunction> sinkFloatingFunction(CSSParserFunction*); |
| |
| CSSParserValue& sinkFloatingValue(CSSParserValue&); |
| |
| MediaQuerySet* createMediaQuerySet(); |
| StyleRuleBase* createImportRule(const CSSParserString&, MediaQuerySet*); |
| StyleKeyframe* createKeyframe(CSSParserValueList*); |
| StyleRuleKeyframes* createKeyframesRule(const String&, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> > >, bool isPrefixed); |
| |
| typedef WillBeHeapVector<RefPtrWillBeMember<StyleRuleBase> > RuleList; |
| StyleRuleBase* createMediaRule(MediaQuerySet*, RuleList*); |
| RuleList* createRuleList(); |
| RuleList* appendRule(RuleList*, StyleRuleBase*); |
| StyleRuleBase* createStyleRule(Vector<OwnPtr<CSSParserSelector> >* selectors); |
| StyleRuleBase* createFontFaceRule(); |
| StyleRuleBase* createPageRule(PassOwnPtr<CSSParserSelector> pageSelector); |
| StyleRuleBase* createMarginAtRule(CSSSelector::MarginBoxType); |
| StyleRuleBase* createSupportsRule(bool conditionIsSupported, RuleList*); |
| void markSupportsRuleHeaderStart(); |
| void markSupportsRuleHeaderEnd(); |
| PassRefPtrWillBeRawPtr<CSSRuleSourceData> popSupportsRuleData(); |
| StyleRuleBase* createHostRule(RuleList* rules); |
| |
| void startDeclarationsForMarginBox(); |
| void endDeclarationsForMarginBox(); |
| |
| MediaQueryExp* createFloatingMediaQueryExp(const AtomicString&, CSSParserValueList*); |
| PassOwnPtrWillBeRawPtr<MediaQueryExp> sinkFloatingMediaQueryExp(MediaQueryExp*); |
| WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> >* createFloatingMediaQueryExpList(); |
| PassOwnPtrWillBeRawPtr<WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > > sinkFloatingMediaQueryExpList(WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> >*); |
| MediaQuery* createFloatingMediaQuery(MediaQuery::Restrictor, const AtomicString&, PassOwnPtrWillBeRawPtr<WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > >); |
| MediaQuery* createFloatingMediaQuery(PassOwnPtrWillBeRawPtr<WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > >); |
| MediaQuery* createFloatingNotAllQuery(); |
| PassOwnPtrWillBeRawPtr<MediaQuery> sinkFloatingMediaQuery(MediaQuery*); |
| |
| WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> >* createFloatingKeyframeVector(); |
| PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> > > sinkFloatingKeyframeVector(WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> >*); |
| |
| void addNamespace(const AtomicString& prefix, const AtomicString& uri); |
| QualifiedName determineNameInNamespace(const AtomicString& prefix, const AtomicString& localName); |
| |
| CSSParserSelector* rewriteSpecifiersWithElementName(const AtomicString& namespacePrefix, const AtomicString& elementName, CSSParserSelector*, bool isNamespacePlaceholder = false); |
| CSSParserSelector* rewriteSpecifiersWithElementNameForCustomPseudoElement(const QualifiedName& tag, const AtomicString& elementName, CSSParserSelector* specifiers, bool tagIsForNamespaceRule); |
| CSSParserSelector* rewriteSpecifiersWithElementNameForContentPseudoElement(const QualifiedName& tag, const AtomicString& elementName, CSSParserSelector* specifiers, bool tagIsForNamespaceRule); |
| CSSParserSelector* rewriteSpecifiersWithNamespaceIfNeeded(CSSParserSelector*); |
| CSSParserSelector* rewriteSpecifiers(CSSParserSelector*, CSSParserSelector*); |
| CSSParserSelector* rewriteSpecifiersForShadowDistributed(CSSParserSelector* specifiers, CSSParserSelector* distributedPseudoElementSelector); |
| |
| void invalidBlockHit(); |
| |
| Vector<OwnPtr<CSSParserSelector> >* reusableSelectorVector() { return &m_reusableSelectorVector; } |
| |
| void clearProperties(); |
| |
| PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> createStylePropertySet(); |
| |
| CSSParserContext m_context; |
| |
| bool m_important; |
| CSSPropertyID m_id; |
| RawPtrWillBeMember<StyleSheetContents> m_styleSheet; |
| RefPtrWillBeMember<StyleRuleBase> m_rule; |
| RefPtrWillBeMember<StyleKeyframe> m_keyframe; |
| RefPtrWillBeMember<MediaQuerySet> m_mediaList; |
| OwnPtr<CSSParserValueList> m_valueList; |
| bool m_supportsCondition; |
| |
| WillBeHeapVector<CSSProperty, 256> m_parsedProperties; |
| CSSSelectorList* m_selectorListForParseSelector; |
| |
| unsigned m_numParsedPropertiesBeforeMarginBox; |
| |
| bool m_hadSyntacticallyValidCSSRule; |
| bool m_logErrors; |
| bool m_ignoreErrors; |
| |
| AtomicString m_defaultNamespace; |
| |
| // tokenizer methods and data |
| CSSParserObserver* m_observer; |
| |
| // Local functions which just call into CSSParserObserver if non-null. |
| void startRule(); |
| void endRule(bool valid); |
| void startRuleHeader(CSSRuleSourceData::Type); |
| void endRuleHeader(); |
| void startSelector(); |
| void endSelector(); |
| void startRuleBody(); |
| void startProperty(); |
| void endProperty(bool isImportantFound, bool isPropertyParsed, CSSParserError = NoCSSError); |
| void startEndUnknownRule(); |
| |
| void endInvalidRuleHeader(); |
| void reportError(const CSSParserLocation&, CSSParserError = GeneralCSSError); |
| void resumeErrorLogging() { m_ignoreErrors = false; } |
| void setLocationLabel(const CSSParserLocation& location) { m_locationLabel = location; } |
| const CSSParserLocation& lastLocationLabel() const { return m_locationLabel; } |
| |
| void tokenToLowerCase(CSSParserString& token); |
| |
| void markViewportRuleBodyStart() { m_inViewport = true; } |
| void markViewportRuleBodyEnd() { m_inViewport = false; } |
| StyleRuleBase* createViewportRule(); |
| |
| CSSParserLocation currentLocation() { return m_tokenizer.currentLocation(); } |
| |
| private: |
| class StyleDeclarationScope { |
| STACK_ALLOCATED(); |
| WTF_MAKE_NONCOPYABLE(StyleDeclarationScope); |
| public: |
| StyleDeclarationScope(BisonCSSParser* parser, const StylePropertySet* declaration) |
| : m_parser(parser) |
| , m_mode(declaration->cssParserMode()) |
| { |
| if (isCSSViewportParsingEnabledForMode(m_mode)) { |
| ASSERT(!m_parser->inViewport()); |
| m_parser->markViewportRuleBodyStart(); |
| } |
| } |
| |
| ~StyleDeclarationScope() |
| { |
| if (isCSSViewportParsingEnabledForMode(m_mode)) |
| m_parser->markViewportRuleBodyEnd(); |
| } |
| |
| private: |
| BisonCSSParser* m_parser; |
| CSSParserMode m_mode; |
| }; |
| |
| inline void ensureLineEndings(); |
| |
| void setStyleSheet(StyleSheetContents* styleSheet) { m_styleSheet = styleSheet; } |
| |
| bool inViewport() const { return m_inViewport; } |
| |
| void recheckAtKeyword(const UChar* str, int len); |
| |
| template<unsigned prefixLength, unsigned suffixLength> |
| inline void setupParser(const char (&prefix)[prefixLength], const String& string, const char (&suffix)[suffixLength]) |
| { |
| setupParser(prefix, prefixLength - 1, string, suffix, suffixLength - 1); |
| } |
| void setupParser(const char* prefix, unsigned prefixLength, const String&, const char* suffix, unsigned suffixLength); |
| |
| bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool important, StyleSheetContents* contextStyleSheet); |
| PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseDeclaration(const String&, StyleSheetContents* contextStyleSheet); |
| |
| bool parseColor(const String&); |
| |
| const String* m_source; |
| TextPosition m_startPosition; |
| CSSRuleSourceData::Type m_ruleHeaderType; |
| unsigned m_ruleHeaderStartOffset; |
| int m_ruleHeaderStartLineNumber; |
| OwnPtr<Vector<unsigned> > m_lineEndings; |
| |
| bool m_ruleHasHeader; |
| |
| bool m_allowImportRules; |
| bool m_allowNamespaceDeclarations; |
| |
| bool m_inViewport; |
| |
| CSSParserLocation m_locationLabel; |
| |
| WillBeHeapVector<RefPtrWillBeMember<StyleRuleBase> > m_parsedRules; |
| WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> > m_parsedKeyframes; |
| WillBeHeapVector<RefPtrWillBeMember<MediaQuerySet> > m_parsedMediaQuerySets; |
| WillBeHeapVector<OwnPtrWillBeMember<RuleList> > m_parsedRuleLists; |
| Vector<CSSParserSelector*> m_floatingSelectors; |
| Vector<Vector<OwnPtr<CSSParserSelector> >*> m_floatingSelectorVectors; |
| Vector<CSSParserValueList*> m_floatingValueLists; |
| Vector<CSSParserFunction*> m_floatingFunctions; |
| |
| OwnPtrWillBeMember<MediaQuery> m_floatingMediaQuery; |
| OwnPtrWillBeMember<MediaQueryExp> m_floatingMediaQueryExp; |
| OwnPtrWillBeMember<WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > > m_floatingMediaQueryExpList; |
| |
| OwnPtrWillBeMember<WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> > > m_floatingKeyframeVector; |
| |
| Vector<OwnPtr<CSSParserSelector> > m_reusableSelectorVector; |
| |
| OwnPtrWillBeMember<RuleSourceDataList> m_supportsRuleDataStack; |
| |
| bool isLoggingErrors(); |
| void logError(const String& message, const CSSParserLocation&); |
| |
| CSSTokenizer m_tokenizer; |
| |
| friend class TransformOperationInfo; |
| friend class FilterOperationInfo; |
| }; |
| |
| inline int cssyylex(void* yylval, BisonCSSParser* parser) |
| { |
| return parser->m_tokenizer.lex(yylval); |
| } |
| |
| bool isValidNthToken(const CSSParserString&); |
| |
| } // namespace blink |
| |
| #endif // BisonCSSParser_h |