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Diffstat (limited to 'khtml/css/cssparser.h')
| -rw-r--r-- | khtml/css/cssparser.h | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/khtml/css/cssparser.h b/khtml/css/cssparser.h new file mode 100644 index 000000000..1c055acd0 --- /dev/null +++ b/khtml/css/cssparser.h @@ -0,0 +1,201 @@ +/* + * This file is part of the DOM implementation for KDE. + * + * Copyright (C) 2003 Lars Knoll (knoll@kde.org) + * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. + * + * 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 _CSS_cssparser_h_ +#define _CSS_cssparser_h_ + +#include <qstring.h> +#include <qcolor.h> +#include <qvaluevector.h> +#include <dom/dom_string.h> + +namespace DOM { + class StyleListImpl; + class CSSStyleSheetImpl; + class CSSRuleImpl; + class CSSStyleRuleImpl; + class DocumentImpl; + class CSSValueImpl; + class CSSValueListImpl; + class CSSPrimitiveValueImpl; + class CSSStyleDeclarationImpl; + class CSSProperty; + class CSSRuleListImpl; + + + struct ParseString { + unsigned short *string; + int length; + }; + + struct Value; + class ValueList; + + struct Function { + ParseString name; + ValueList *args; + }; + + struct Value { + int id; + bool isInt; + union { + double fValue; + int iValue; + ParseString string; + struct Function *function; + }; + enum { + Operator = 0x100000, + Function = 0x100001, + Q_EMS = 0x100002 + }; + + int unit; + }; + + static inline QString qString( const ParseString &ps ) { + return QString( (QChar *)ps.string, ps.length ); + } + static inline DOMString domString( const ParseString &ps ) { + return DOMString( (QChar *)ps.string, ps.length ); + } + + class ValueList { + public: + ValueList() : m_current(0) { } + ~ValueList(); + void addValue(const Value& v) { m_values.append(v); } + unsigned int size() const { return m_values.size(); } + Value* current() { return m_current < m_values.size() ? &m_values[m_current] : 0; } + Value* next() { ++m_current; return current(); } + private: + QValueVector<Value> m_values; + unsigned int m_current; + }; + + class CSSParser + { + public: + CSSParser( bool strictParsing = true ); + ~CSSParser(); + + void parseSheet( DOM::CSSStyleSheetImpl *sheet, const DOM::DOMString &string ); + DOM::CSSRuleImpl *parseRule( DOM::CSSStyleSheetImpl *sheet, const DOM::DOMString &string ); + bool parseValue( DOM::CSSStyleDeclarationImpl *decls, int id, const DOM::DOMString &string, + bool _important, bool _nonCSSHint ); + bool parseDeclaration( DOM::CSSStyleDeclarationImpl *decls, const DOM::DOMString &string, + bool _nonCSSHint ); + + static CSSParser *current() { return currentParser; } + + + DOM::DocumentImpl *document() const; + + unsigned int defaultNamespace(); + + void addProperty( int propId, CSSValueImpl *value, bool important ); + bool hasProperties() const { return numParsedProperties > 0; } + CSSStyleDeclarationImpl *createStyleDeclaration( CSSStyleRuleImpl *rule ); + void clearProperties(); + + bool parseValue( int propId, bool important ); + bool parseShortHand( int propId, const int *properties, int numProperties, bool important ); + bool parse4Values( int propId, const int *properties, bool important ); + bool parseContent( int propId, bool important ); + + CSSValueImpl* parseBackgroundColor(); + CSSValueImpl* parseBackgroundImage(); + CSSValueImpl* parseBackgroundPositionXY(bool& xFound, bool& yFound); + void parseBackgroundPosition(CSSValueImpl*& value1, CSSValueImpl*& value2); + CSSValueImpl* parseBackgroundSize(); + + bool parseBackgroundProperty(int propId, int& propId1, int& propId2, CSSValueImpl*& retValue1, CSSValueImpl*& retValue2); + bool parseBackgroundShorthand(bool important); + + void addBackgroundValue(CSSValueImpl*& lval, CSSValueImpl* rval); + + bool parseShape( int propId, bool important ); + bool parseFont(bool important); + bool parseCounter(int propId, bool increment, bool important); + + bool parseColorParameters(Value*, int* colorValues, bool parseAlpha); + bool parseHSLParameters(Value*, double* colorValues, bool parseAlpha); + + // returns the found property + // 0 if nothing found (or ok == false) + // @param forward if true, it parses the next in the list + CSSValueListImpl *parseFontFamily(); + CSSPrimitiveValueImpl *parseColor(); + CSSPrimitiveValueImpl *parseColorFromValue(Value* val); + CSSValueImpl* parseCounterContent(ValueList *args, bool counters); + + static bool parseColor(const QString &name, QRgb& rgb); + + // CSS3 Parsing Routines (for properties specific to CSS3) + bool parseShadow(int propId, bool important); + + bool parseBorderImage(int propId, bool important); + + public: + bool strict; + bool important; + bool nonCSSHint; + unsigned int id; + DOM::StyleListImpl* styleElement; + DOM::CSSRuleImpl *rule; + ValueList *valueList; + CSSProperty **parsedProperties; + int numParsedProperties; + int maxParsedProperties; + + int m_inParseShorthand; + int m_currentShorthand; + bool m_implicitShorthand; + + static CSSParser *currentParser; + + // tokenizer methods and data + public: + int lex( void *yylval ); + int token() { return yyTok; } + unsigned short *text( int *length); + int lex(); + private: + int yyparse(); + void runParser(int length); + + bool inShorthand() const { return m_inParseShorthand; } + + unsigned short *data; + unsigned short *yytext; + unsigned short *yy_c_buf_p; + unsigned short yy_hold_char; + int yy_last_accepting_state; + unsigned short *yy_last_accepting_cpos; + int block_nesting; + int yyleng; + int yyTok; + int yy_start; + }; + +} // namespace +#endif |