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/*
* 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_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
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