view src/cssparser.hh @ 1494:9225a90ad7dd

make Doctree a non-virtual class Doctree now is a proper class with it's own implementation. StyleEngine no longer needs to provide the Doctree interface itself. This hopefully make the code easier to understand and should also be a bit faster as no virtual methods are involved.
author Johannes Hofmann <Johannes.Hofmann@gmx.de>
date Thu, 07 Jan 2010 16:23:05 +0100
parents f2874a5678a8
children 81876ff46376
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#ifndef __CSSPARSER_HH__
#define __CSSPARSER_HH__

#include "css.hh"
#include "html_common.hh"

class CssParser {
   private:
      typedef enum {
         CSS_TK_DECINT, CSS_TK_FLOAT, CSS_TK_COLOR, CSS_TK_SYMBOL,
         CSS_TK_STRING, CSS_TK_CHAR, CSS_TK_END
      } CssTokenType;

      static const int maxStrLen = 256;
      CssContext *context;
      CssOrigin origin;

      const char *buf;
      int buflen, bufptr;

      CssTokenType ttype;
      char tval[maxStrLen];
      bool withinBlock;
      bool spaceSeparated; /* used when parsing CSS selectors */

      CssParser(CssContext *context, CssOrigin origin,
                const char *buf, int buflen);
      int getChar();
      void ungetChar();
      void nextToken();
      bool skipString(int c, const char *string);
      bool tokenMatchesProperty(CssPropertyName prop, CssValueType * type);
      bool parseValue(CssPropertyName prop, CssValueType type,
                      CssPropertyValue * val);
      bool parseWeight();
      bool parseRgbColorComponent(int32_t *cc, int *percentage);
      bool parseRgbColor(int32_t *c);
      void parseDeclaration(CssPropertyList * props,
                            CssPropertyList * importantProps);
      bool parseSimpleSelector(CssSimpleSelector *selector);
      char *parseUrl();
      void parseImport(DilloHtml *html, DilloUrl *url);
      CssSelector *parseSelector();
      void parseRuleset();

   public:
      static CssPropertyList *parseDeclarationBlock(const char *buf,
                                                    int buflen);
      static void parse(DilloHtml *html, DilloUrl *url, CssContext *context,
                        const char *buf, int buflen, CssOrigin origin);
      static const char *propertyNameString(CssPropertyName name);
};

#endif