| 0,0 → 1,79 |
|---|
| /* |
| * This file is part of LibCSS. |
| * Licensed under the MIT License, |
| * http://www.opensource.org/licenses/mit-license.php |
| * Copyright 2008 John-Mark Bell <jmb@netsurf-browser.org> |
| */ |
| |
| #ifndef css_lex_lex_h_ |
| #define css_lex_lex_h_ |
| |
| #include <libwapcaplet/libwapcaplet.h> |
| |
| #include <libcss/errors.h> |
| #include <libcss/functypes.h> |
| #include <libcss/types.h> |
| |
| #include <parserutils/input/inputstream.h> |
| |
| typedef struct css_lexer css_lexer; |
| |
| /** |
| * Lexer option types |
| */ |
| typedef enum css_lexer_opttype { |
| CSS_LEXER_EMIT_COMMENTS |
| } css_lexer_opttype; |
| |
| /** |
| * Lexer option parameters |
| */ |
| typedef union css_lexer_optparams { |
| bool emit_comments; |
| } css_lexer_optparams; |
| |
| /** |
| * Token type |
| */ |
| typedef enum css_token_type { |
| CSS_TOKEN_IDENT, CSS_TOKEN_ATKEYWORD, CSS_TOKEN_HASH, |
| CSS_TOKEN_FUNCTION, CSS_TOKEN_STRING, CSS_TOKEN_INVALID_STRING, |
| CSS_TOKEN_URI, CSS_TOKEN_UNICODE_RANGE, CSS_TOKEN_CHAR, |
| CSS_TOKEN_NUMBER, CSS_TOKEN_PERCENTAGE, CSS_TOKEN_DIMENSION, |
| |
| /* Those tokens that want strings interned appear above */ |
| CSS_TOKEN_LAST_INTERN, |
| |
| CSS_TOKEN_CDO, CSS_TOKEN_CDC, CSS_TOKEN_S, CSS_TOKEN_COMMENT, |
| CSS_TOKEN_INCLUDES, CSS_TOKEN_DASHMATCH, CSS_TOKEN_PREFIXMATCH, |
| CSS_TOKEN_SUFFIXMATCH, CSS_TOKEN_SUBSTRINGMATCH, CSS_TOKEN_EOF |
| } css_token_type; |
| |
| /** |
| * Token object |
| */ |
| typedef struct css_token { |
| css_token_type type; |
| |
| struct { |
| uint8_t *data; |
| size_t len; |
| } data; |
| |
| lwc_string *idata; |
| |
| uint32_t col; |
| uint32_t line; |
| } css_token; |
| |
| css_error css__lexer_create(parserutils_inputstream *input, |
| css_allocator_fn alloc, void *pw, css_lexer **lexer); |
| css_error css__lexer_destroy(css_lexer *lexer); |
| |
| css_error css__lexer_setopt(css_lexer *lexer, css_lexer_opttype type, |
| css_lexer_optparams *params); |
| |
| css_error css__lexer_get_token(css_lexer *lexer, css_token **token); |
| |
| #endif |
| |