view src/cssparser.hh @ 2102:e1973d1962c5

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author corvid <corvid@lavabit.com>
date Tue, 21 Jun 2011 00:15:55 +0000
parents 5b8e5855ab8e
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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);
      void parseMedia();
      CssSelector *parseSelector();
      void parseRuleset();
      void ignoreBlock();
      void ignoreStatement();

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

#endif