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authorJohn Mark Bell <jmb@netsurf-browser.org>2008-05-01 16:36:27 +0000
committerJohn Mark Bell <jmb@netsurf-browser.org>2008-05-01 16:36:27 +0000
commit72c39e3522c5781d1e7dc8abad77d96141c5d49b (patch)
treee16497caaa0bf20771ef34787de02fc95e5993bf /src/lex/lex.h
downloadlibcss-72c39e3522c5781d1e7dc8abad77d96141c5d49b.tar.gz
libcss-72c39e3522c5781d1e7dc8abad77d96141c5d49b.tar.bz2
Import beginnings of a CSS parsing library.
Currently comprises a lexer. svn path=/trunk/libcss/; revision=4112
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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 <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_STRING,
+ CSS_TOKEN_HASH, CSS_TOKEN_NUMBER, CSS_TOKEN_PERCENTAGE,
+ CSS_TOKEN_DIMENSION, CSS_TOKEN_URI, CSS_TOKEN_UNICODE_RANGE,
+ CSS_TOKEN_CDO, CSS_TOKEN_CDC, CSS_TOKEN_S, CSS_TOKEN_COMMENT,
+ CSS_TOKEN_FUNCTION, CSS_TOKEN_INCLUDES, CSS_TOKEN_DASHMATCH,
+ CSS_TOKEN_PREFIXMATCH, CSS_TOKEN_SUFFIXMATCH, CSS_TOKEN_SUBSTRINGMATCH,
+ CSS_TOKEN_CHAR, CSS_TOKEN_EOF
+} css_token_type;
+
+/**
+ * Token object
+ */
+typedef struct css_token {
+ css_token_type type;
+
+ css_string data;
+
+ uint32_t col;
+ uint32_t line;
+} css_token;
+
+css_lexer *css_lexer_create(parserutils_inputstream *input,
+ css_alloc alloc, void *pw);
+void 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, const css_token **token);
+
+#endif
+