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/*
* 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
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