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Diffstat (limited to 'src/dom/cssparser.h')
| -rwxr-xr-x | src/dom/cssparser.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/src/dom/cssparser.h b/src/dom/cssparser.h new file mode 100755 index 000000000..0b399f7d5 --- /dev/null +++ b/src/dom/cssparser.h @@ -0,0 +1,286 @@ +#ifndef __CSSPARSER_H__ +#define __CSSPARSER_H__ +/** + * Phoebe DOM Implementation. + * + * This is a C++ approximation of the W3C DOM model, which follows + * fairly closely the specifications in the various .idl files, copies of + * which are provided for reference. Most important is this one: + * + * http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/idl-definitions.html + * + * Authors: + * Bob Jamison + * + * Copyright (C) 2005 Bob Jamison + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include "dom.h" + +#include "css.h" + +namespace org +{ +namespace w3c +{ +namespace dom +{ +namespace css +{ + +class CssParser +{ + +public: + + /** + * + */ + CssParser() + {} + + /** + * + */ + virtual ~CssParser() + {} + + /** + * + */ + virtual bool parse(const DOMString &str); + + /** + * + */ + virtual bool parseFile(const DOMString &str); + + +protected: + + DOMString parsebuf; + long parselen; + CSSStyleSheet stylesheet; + + + /** + * + */ + void error(char *fmt, ...); + + /** + * Get the character at the given location in the buffer. + * Return 0 if out-of-bounds + */ + XMLCh get(int index); + + + /** + * Test if the given substring exists at the given position + * in parsebuf. Use get() in case of out-of-bounds + */ + bool match(int pos, char *str); + + /** + * Skip over whitespace + * Return new position + */ + int skipwhite(int index); + + /** + * Get the word at the current position. Return the new + * position if successful, the current position if no word, + * -1 if error. + */ + int getWord(int index, DOMString &str); + + + /** + * Get a number at the current position + * Return the new position if a proper number, else the original pos + */ + int getNumber(int index, double &result); + + /** + * Assume that we are starting on a quote. Ends on the char + * after the final '"' + */ + int getQuoted(int p0, DOMString &result); + +/** + * Not in api. replaces URI return by lexer + */ +int getUri(int p0, DOMString &str); + + +/** + * Skip to the next rule + */ +int skipBlock(int p0); + +//######################################################################### +//# P R O D U C T I O N S +//######################################################################### + +/** + * stylesheet + * : [ CHARSET_SYM S* STRING S* ';' ]? + * [S|CDO|CDC]* [ import [S|CDO|CDC]* ]* + * [ [ ruleset | media | page ] [S|CDO|CDC]* ]* + * ; + */ +int getStyleSheet(int p0); + +/** + * import + * : IMPORT_SYM S* + * [STRING|URI] S* [ medium [ COMMA S* medium]* ]? ';' S* + * ; + */ +int getImport(int p0); + +/** + * media + * : MEDIA_SYM S* medium [ COMMA S* medium ]* LBRACE S* ruleset* '}' S* + * ; + */ +int getMedia(int p0); + +/** + * medium + * : IDENT S* + * ; + */ +int getMedium(int p0); + +/** + * page + * : PAGE_SYM S* pseudo_page? S* + * LBRACE S* declaration [ ';' S* declaration ]* '}' S* + * ; + */ +int getPage(int p0); + +/** + * pseudo_page + * : ':' IDENT + * ; + */ +int getPseudoPage(int p0); + +/** + * ruleset + * : selector [ COMMA S* selector ]* + * LBRACE S* declaration [ ';' S* declaration ]* '}' S* + * ; + */ +int getRuleSet(int p0); + +/** + * selector + * : simple_selector [ combinator simple_selector ]* + * ; + */ +int getSelector(int p0); + +/** + * simple_selector + * : element_name [ HASH | class | attrib | pseudo ]* + * | [ HASH | class | attrib | pseudo ]+ + * ; + */ +int getSimpleSelector(int p0); + +/** + * declaration + * : property ':' S* expr prio? + * | {empty} + * ; + */ +int getDeclaration(int p0, CSSStyleDeclaration &declarationList); + +/** + * prio + * : IMPORTANT_SYM S* + * ; + */ +int getPrio(int p0, DOMString &val); + +/** + * expr + * : term [ operator term ]* + * ; + */ +int getExpr(int p0); + +/** + * term + * : unary_operator? + * [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* | + * TIME S* | FREQ S* | function ] + * | STRING S* | IDENT S* | URI S* | hexcolor + * ; + */ +int getTerm(int p0); + +/** + * function + * : FUNCTION S* expr ')' S* + * ; + */ +int getFunction(int p0); + +/** + * There is a constraint on the color that it must + * have either 3 or 6 hex-digits (i.e., [0-9a-fA-F]) + * after the "#"; e.g., "#000" is OK, but "#abcd" is not. + * + * hexcolor + * : HASH S* + * ; + */ +int getHexColor(int p0); + + +int lastPosition; + +/** + * Get the column and row number of the given character position. + * Also gets the last-occuring newline before the position + */ +void getColumnAndRow(int p, int &col, int &row, int &lastNL); + +}; + + +} // namespace css +} // namespace dom +} // namespace w3c +} // namespace org + + + + + + + +#endif /* __CSSPARSER_H__ */ +//######################################################################### +//# E N D O F F I L E +//######################################################################### + |