/* *	HT Editor *	syntax.h * *	Copyright (C) 1999-2002 Stefan Weyergraf * *	This program is free software; you can redistribute it and/or modify *	it under the terms of the GNU General Public License version 2 as *	published by the Free Software Foundation. * *	This program 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 General Public License for more details. * *	You should have received a copy of the GNU General Public License *	along with this program; if not, write to the Free Software *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */#ifndef __SYNTAX_H__#define __SYNTAX_H__#include "data.h"#include "htobj.h"#define HT_HTML_SYNTAX_LEXERstruct text_pos {	uint line;	uint pofs;};typedef uint lexer_state;typedef uint lexer_state_set;typedef uint lexer_token;enum lexer_rule_string_type {	LRST_EMPTY,	LRST_STRING,	LRST_STRING_EXPECT,	LRST_REGEX,	LRST_CHARSET,	LRST_WHITESPACE,	LRST_QSTRING,			/* '[^']*' */	LRST_DQSTRING,			/* "[^"]*" *///     LRST_DQSTRING2,		/* "([^"]|\")*" */	LRST_ANYCHAR,	LRST_IDENTIFIER};struct syntax_lexer_rule {	lexer_state_set needstate;	bool need_line_start;	lexer_rule_string_type string_type;	const char *string;	lexer_state state;	lexer_token token;};/* *	CLASS ht_syntax_lexer */class ht_syntax_lexer: public Object {public:/* new */	virtual	void config_changed();	virtual	vcp getcolor_syntax(uint pal_index)=0;	virtual	lexer_state getinitstate()=0;	virtual	lexer_token geterrortoken()=0;	virtual	const char *getname()=0;	virtual	lexer_token gettoken(void *buf, uint buflen, text_pos p, bool start_of_line, lexer_state *ret_state, uint *ret_len)=0;	virtual	vcp gettoken_color(lexer_token t)=0;};/* *	CLASS ht_lang_syntax_lexer */class ht_lang_syntax_lexer: public ht_syntax_lexer {protected:	syntax_lexer_rule *lexer_rules;	void **lexer_rules_precompiled;	int lexer_rules_count;/* new */			void free_lexer_rules();			void set_lexer_rules(syntax_lexer_rule *lr);public:			void init(syntax_lexer_rule *lexer_rules);	virtual	void done();/* overwritten */	virtual	lexer_token gettoken(void *buf, uint buflen, text_pos p, bool start_of_line, lexer_state *ret_state, uint *ret_len);};/* *	CLASS ht_c_syntax_lexer */class ht_c_syntax_lexer: public ht_lang_syntax_lexer {protected:	const char **c_reserved_sorted;	uint c_reserved_count;	palette c_pal;		virtual	void config_changed();			void reloadpalette();public:			void init();	virtual	void done();/* overwritten */	virtual	vcp getcolor_syntax(uint pal_index);	virtual	lexer_state getinitstate();	virtual	lexer_token geterrortoken();	virtual	const char *getname();	virtual	lexer_token gettoken(void *buf, uint buflen, text_pos p, bool start_of_line, lexer_state *ret_state, uint *ret_len);	virtual	vcp gettoken_color(lexer_token t);};#ifdef HT_HTML_SYNTAX_LEXER/* *	CLASS ht_html_syntax_lexer */class ht_html_syntax_lexer: public ht_lang_syntax_lexer {protected:	char **html_reserved_sorted;	uint html_reserved_count;	palette html_pal;		virtual	void config_changed();			void reloadpalette();public:			void init();	virtual	void done();/* overwritten */	virtual	vcp getcolor_syntax(uint pal_index);	virtual	lexer_state getinitstate();	virtual	lexer_token geterrortoken();	virtual	const char *getname();	virtual	lexer_token gettoken(void *buf, uint buflen, text_pos p, bool start_of_line, lexer_state *ret_state, uint *ret_len);	virtual	vcp gettoken_color(lexer_token t);};#endifconst char **create_sorted_stringtable(const char **table);/* *	syntax palette */#define palkey_syntax_default						"c/default"#define palidx_syntax_whitespace                       0#define palidx_syntax_comment                          1#define palidx_syntax_identifier                       2#define palidx_syntax_reserved                         3#define palidx_syntax_intnum                           4#define palidx_syntax_floatnum                         5#define palidx_syntax_string                           6#define palidx_syntax_char                             7#define palidx_syntax_symbol                           8#define palidx_syntax_preprocess					9#define palidx_syntax_meta                             10#endif /* __SYNTAX_H__ */