author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 Aug 2009 07:44:59 +0300 | |
changeset 16 | a359256acfc6 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* This file is part of the DOM implementation for KDE. |
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* |
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* Copyright (C) 2003 Lars Knoll (knoll@kde.org) |
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* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef CSSParser_h |
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#define CSSParser_h |
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#include "AtomicString.h" |
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#include "Color.h" |
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#include "MediaQuery.h" |
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#include <wtf/HashSet.h> |
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#include <wtf/Vector.h> |
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namespace WebCore { |
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class CSSMutableStyleDeclaration; |
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class CSSPrimitiveValue; |
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class CSSProperty; |
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class CSSRule; |
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class CSSRuleList; |
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class CSSSelector; |
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class CSSStyleSheet; |
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class CSSValue; |
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class CSSValueList; |
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class Document; |
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class MediaList; |
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class MediaList; |
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class MediaQueryExp; |
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class StyleBase; |
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class StyleList; |
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struct Function; |
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struct ParseString { |
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UChar* characters; |
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int length; |
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void lower(); |
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}; |
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struct Value { |
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int id; |
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bool isInt; |
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union { |
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double fValue; |
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int iValue; |
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ParseString string; |
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Function* function; |
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}; |
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enum { |
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Operator = 0x100000, |
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Function = 0x100001, |
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Q_EMS = 0x100002 |
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}; |
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int unit; |
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}; |
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DeprecatedString deprecatedString(const ParseString&); |
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static inline String domString(const ParseString& ps) |
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{ |
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return String(ps.characters, ps.length); |
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} |
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static inline AtomicString atomicString(const ParseString& ps) |
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{ |
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return AtomicString(ps.characters, ps.length); |
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} |
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class ValueList { |
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public: |
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ValueList() : m_current(0) { } |
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~ValueList(); |
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void addValue(const Value& v) { m_values.append(v); } |
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unsigned size() const { return m_values.size(); } |
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Value* current() { return m_current < m_values.size() ? &m_values[m_current] : 0; } |
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Value* next() { ++m_current; return current(); } |
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Value* valueAt(unsigned i) { return i < m_values.size() ? &m_values[i] : 0; } |
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void deleteValueAt(unsigned i) { m_values.remove(i); } |
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private: |
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Vector<Value, 16> m_values; |
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unsigned m_current; |
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}; |
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struct Function { |
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ParseString name; |
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ValueList* args; |
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~Function() { delete args; } |
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}; |
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class CSSParser { |
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public: |
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CSSParser(bool strictParsing = true); |
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~CSSParser(); |
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void parseSheet(CSSStyleSheet*, const String&); |
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PassRefPtr<CSSRule> parseRule(CSSStyleSheet*, const String&); |
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bool parseValue(CSSMutableStyleDeclaration*, int propId, const String&, bool important); |
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static RGBA32 parseColor(const String&, bool strict = false); |
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bool parseColor(CSSMutableStyleDeclaration*, const String&); |
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bool parseDeclaration(CSSMutableStyleDeclaration*, const String&); |
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bool parseMediaQuery(MediaList*, const String&); |
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static CSSParser* current() { return currentParser; } |
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Document* document() const; |
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void addProperty(int propId, PassRefPtr<CSSValue>, bool important); |
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void rollbackLastProperties(int num); |
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bool hasProperties() const { return numParsedProperties > 0; } |
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bool parseValue(int propId, bool important); |
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bool parseShorthand(int propId, const int* properties, int numProperties, bool important); |
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bool parse4Values(int propId, const int* properties, bool important); |
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bool parseContent(int propId, bool important); |
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CSSValue* parseBackgroundColor(); |
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bool parseBackgroundImage(CSSValue*&); |
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CSSValue* parseBackgroundPositionXY(bool& xFound, bool& yFound); |
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void parseBackgroundPosition(CSSValue*&, CSSValue*&); |
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CSSValue* parseBackgroundSize(); |
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bool parseBackgroundProperty(int propId, int& propId1, int& propId2, CSSValue*&, CSSValue*&); |
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bool parseBackgroundShorthand(bool important); |
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void addBackgroundValue(CSSValue*& lval, CSSValue* rval); |
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bool parseDashboardRegions(int propId, bool important); |
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bool parseShape(int propId, bool important); |
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bool parseFont(bool important); |
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CSSValueList* parseFontFamily(); |
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bool parseCounter(int propId, int defaultValue, bool important); |
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PassRefPtr<CSSValue> parseCounterContent(ValueList* args, bool counters); |
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bool parseColorParameters(Value*, int* colorValues, bool parseAlpha); |
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bool parseHSLParameters(Value*, double* colorValues, bool parseAlpha); |
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CSSPrimitiveValue* parseColor(Value* = 0); |
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bool parseColorFromValue(Value*, RGBA32&, bool = false); |
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static bool parseColor(const String&, RGBA32& rgb, bool strict); |
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#if ENABLE(SVG) |
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bool parseSVGValue(int propId, bool important); |
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CSSValue* parseSVGPaint(); |
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CSSValue* parseSVGColor(); |
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CSSValue* parseSVGStrokeDasharray(); |
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#endif |
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// CSS3 Parsing Routines (for properties specific to CSS3) |
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bool parseShadow(int propId, bool important); |
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bool parseBorderImage(int propId, bool important); |
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int yyparse(); |
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CSSSelector* createFloatingSelector(); |
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CSSSelector* sinkFloatingSelector(CSSSelector*); |
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ValueList* createFloatingValueList(); |
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ValueList* sinkFloatingValueList(ValueList*); |
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Function* createFloatingFunction(); |
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Function* sinkFloatingFunction(Function*); |
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Value& sinkFloatingValue(Value&); |
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MediaList* createMediaList(); |
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CSSRule* createCharsetRule(const ParseString&); |
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CSSRule* createImportRule(const ParseString&, MediaList*); |
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CSSRule* createMediaRule(MediaList*, CSSRuleList*); |
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CSSRuleList* createRuleList(); |
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CSSRule* createStyleRule(CSSSelector*); |
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MediaQueryExp* createFloatingMediaQueryExp(const AtomicString&, ValueList*); |
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MediaQueryExp* sinkFloatingMediaQueryExp(MediaQueryExp*); |
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Vector<MediaQueryExp*>* createFloatingMediaQueryExpList(); |
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Vector<MediaQueryExp*>* sinkFloatingMediaQueryExpList(Vector<MediaQueryExp*>*); |
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MediaQuery* createFloatingMediaQuery(MediaQuery::Restrictor, const String&, Vector<MediaQueryExp*>*); |
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MediaQuery* sinkFloatingMediaQuery(MediaQuery*); |
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public: |
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bool strict; |
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bool important; |
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int id; |
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StyleList* styleElement; |
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RefPtr<CSSRule> rule; |
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MediaQuery* mediaQuery; |
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ValueList* valueList; |
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CSSProperty** parsedProperties; |
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int numParsedProperties; |
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int maxParsedProperties; |
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int m_inParseShorthand; |
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int m_currentShorthand; |
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bool m_implicitShorthand; |
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AtomicString defaultNamespace; |
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static CSSParser* currentParser; |
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// tokenizer methods and data |
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public: |
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int lex(void* yylval); |
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int token() { return yyTok; } |
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UChar* text(int* length); |
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int lex(); |
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private: |
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void clearProperties(); |
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void setupParser(const char* prefix, const String&, const char* suffix); |
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bool inShorthand() const { return m_inParseShorthand; } |
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void checkForOrphanedUnits(); |
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UChar* data; |
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UChar* yytext; |
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UChar* yy_c_buf_p; |
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UChar yy_hold_char; |
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int yy_last_accepting_state; |
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UChar* yy_last_accepting_cpos; |
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int yyleng; |
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int yyTok; |
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int yy_start; |
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Vector<RefPtr<StyleBase> > m_parsedStyleObjects; |
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Vector<RefPtr<CSSRuleList> > m_parsedRuleLists; |
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HashSet<CSSSelector*> m_floatingSelectors; |
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HashSet<ValueList*> m_floatingValueLists; |
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HashSet<Function*> m_floatingFunctions; |
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MediaQuery* m_floatingMediaQuery; |
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MediaQueryExp* m_floatingMediaQueryExp; |
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Vector<MediaQueryExp*>* m_floatingMediaQueryExpList; |
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// defines units allowed for a certain property, used in parseUnit |
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enum Units { |
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FUnknown = 0x0000, |
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FInteger = 0x0001, |
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FNumber = 0x0002, // Real Numbers |
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FPercent = 0x0004, |
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FLength = 0x0008, |
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FAngle = 0x0010, |
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FTime = 0x0020, |
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FFrequency = 0x0040, |
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FRelative = 0x0100, |
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FNonNeg = 0x0200 |
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}; |
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friend inline Units operator|(Units a, Units b) |
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{ |
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return static_cast<Units>(static_cast<unsigned>(a) | static_cast<unsigned>(b)); |
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} |
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static bool validUnit(Value*, Units, bool strict); |
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}; |
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} // namespace WebCore |
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#endif // CSSParser_h |