/*
 * libtcod 1.6.0
 * Copyright (c) 2008,2009,2010,2012,2013 Jice & Mingos
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * The name of Jice or Mingos may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY JICE AND MINGOS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL JICE OR MINGOS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #ifndef _TCOD_LEX_H
 #define _TCOD_LEX_H
 /*
  * This is a libtcod internal module.
  * Use at your own risks...
  */
 
 #define TCOD_LEX_FLAG_NOCASE 1
 #define TCOD_LEX_FLAG_NESTING_COMMENT 2
 #define TCOD_LEX_FLAG_TOKENIZE_COMMENTS 4
 
 #define TCOD_LEX_ERROR -1
 #define TCOD_LEX_UNKNOWN 0
 #define TCOD_LEX_SYMBOL 1
 #define TCOD_LEX_KEYWORD 2
 #define TCOD_LEX_IDEN 3
 #define TCOD_LEX_STRING 4
 #define TCOD_LEX_INTEGER 5
 #define TCOD_LEX_FLOAT 6
 #define TCOD_LEX_CHAR 7
 #define TCOD_LEX_EOF 8
 #define TCOD_LEX_COMMENT 9
 
 #define TCOD_LEX_MAX_SYMBOLS 100
 #define TCOD_LEX_SYMBOL_SIZE 5
 #define TCOD_LEX_MAX_KEYWORDS 100
 #define TCOD_LEX_KEYWORD_SIZE 20
 
 typedef struct {
 	int file_line, token_type, token_int_val, token_idx;
 	float token_float_val;
 	char *tok;
     int toklen;
 	char lastStringDelim;
 	char *pos;
 	char *buf;
 	char *filename;
 	char *last_javadoc_comment;
 	/* private stuff */
 	int nb_symbols, nb_keywords, flags;
 	char symbols[ TCOD_LEX_MAX_SYMBOLS][ TCOD_LEX_SYMBOL_SIZE ], 
 	keywords[ TCOD_LEX_MAX_KEYWORDS ][ TCOD_LEX_KEYWORD_SIZE ];
 	const char *simpleCmt;
 	const char *cmtStart, *cmtStop, *javadocCmtStart;
 	const char *stringDelim;
 	bool javadoc_read;
 	bool allocBuf;
 	bool savept; /* is this object a savepoint (no free in destructor) */	
 } TCOD_lex_t;
 
 TCODLIB_API TCOD_lex_t *TCOD_lex_new_intern();
 TCODLIB_API TCOD_lex_t *TCOD_lex_new(const char **symbols, const char **keywords, const char *simpleComment, 
 		const char *commentStart, const char *commentStop, const char *javadocCommentStart, const char *stringDelim, int flags);
 TCODLIB_API void TCOD_lex_delete(TCOD_lex_t *lex);
 
 TCODLIB_API void TCOD_lex_set_data_buffer(TCOD_lex_t *lex,char *dat);
 TCODLIB_API bool TCOD_lex_set_data_file(TCOD_lex_t *lex,const char *filename);
 
 TCODLIB_API int TCOD_lex_parse(TCOD_lex_t *lex);
 TCODLIB_API int TCOD_lex_parse_until_token_type(TCOD_lex_t *lex,int token_type);
 TCODLIB_API int TCOD_lex_parse_until_token_value(TCOD_lex_t *lex,const char *token_value);
 
 TCODLIB_API bool TCOD_lex_expect_token_type(TCOD_lex_t *lex,int token_type);
 TCODLIB_API bool TCOD_lex_expect_token_value(TCOD_lex_t *lex,int token_type,const char *token_value);
 
 TCODLIB_API void TCOD_lex_savepoint(TCOD_lex_t *lex,TCOD_lex_t *savept);
 TCODLIB_API void TCOD_lex_restore(TCOD_lex_t *lex,TCOD_lex_t *savept);
 TCODLIB_API char *TCOD_lex_get_last_javadoc(TCOD_lex_t *lex);
 TCODLIB_API const char *TCOD_lex_get_token_name(int token_type);
 TCODLIB_API char *TCOD_lex_get_last_error();
 
 TCODLIB_API int TCOD_lex_hextoint(char c);
 
 #endif