#ifndef  __CFG_H__
#define __CFG_H__

#ifdef __cplusplus
	extern "C" {
#endif

#include "mfile.h"

#ifndef __DJGPP__
	#ifndef strlwr
	#define strlwr _strlwr
	#endif
	#ifndef stricmp
	#define stricmp _stricmp
	#endif
	extern char *_strlwr(char *);
	extern int _stricmp(char *, char *);
#endif

#ifndef TRUE 
	#define TRUE	1
	#define FALSE	0
#endif

typedef enum NODE_TYPE {
	node_var = 1,
	node_comment,
	node_command,
	node_section,
	node_subsection,
	node_file
} NODE_TYPE;

typedef enum ID_TYPE {
	id_num = 1,
	id_env_var,
	id_sq_str,
	id_dq_str,
	id_bare_str,
	id_multiple_str,
	id_semi_comment,
	id_hash_comment
} ID_TYPE;

typedef struct CFG_NODE {
	NODE_TYPE typeofnode;				// self explanatory???
	ID_TYPE node_id;						// type of entry
	int nested;								// is section nested ??
	unsigned int number;					// number of entry in file
	char *name;								// name of node.
	char *search_name;					// name of node.used for searching
	char *data;								// data
	struct CFG_NODE *parent_node;		// points to section containing the entry or section
	struct CFG_NODE *child_node;		// points to next section
	struct CFG_NODE *previous_node;	// points to prev entry in section
	struct CFG_NODE *next_node;		// points to next entry in section
} CFG_NODE;

#define set_cfg_option(cfg, opt) ({ if(cfg) (cfg)->options.opt=1; })
#define unset_cfg_option(cfg, opt) ({ if(cfg) (cfg)->options.opt=0; })

/* in the loaded file, options may be set or unset by specifing ':option'
 * and a space deliminated list of options to enable, or disable by adding
 * 'no' before the option (no space)
 */

typedef struct CFG_OPTIONS {
	int concat; // if set, multiple defined vars wil be 'strcat'ed.
	int simple; // if set, loader will be able to load regular .ini style cnf files. even inside sections
} CFG_OPTIONS;

typedef struct CFG_FILE {
	int dirty;
	char *name;
	mfile *mem_file;
	char *section_sep_character;
	CFG_OPTIONS options;
	char *section_name;
	CFG_NODE *list;
} CFG_FILE;

inline void set_section_sep_char(CFG_FILE *, char*);
void close_cfg(CFG_FILE *);
void set_cfg_string(CFG_FILE *, char *, char *, char *);
void set_cfg_int(CFG_FILE *, char *, char *, int);
void set_cfg_hex(CFG_FILE *, char *, char *, int);
void set_cfg_float(CFG_FILE *, char *, char *, float );
void _set_cfg_string(CFG_FILE *, char *, char *, char *, ID_TYPE);
void set_cfg_var_type(CFG_FILE *, char *, char *, ID_TYPE);
void set_section(CFG_FILE *, char *);
int get_cfg_int(CFG_FILE *, char *, char *, int);
int get_cfg_truth(CFG_FILE *, char *, char *);
int get_cfg_hex(CFG_FILE *, char *, char *, int);
int read_cfg(CFG_FILE *, char *);
int flush_cfg(CFG_FILE *);
int write_cfg(CFG_FILE *);
int save_cfg(CFG_FILE *, char *);
float get_cfg_float(CFG_FILE *, char *, char *, float);
char *escape_str(char *);
char *unescape_str(char *);
char *get_cfg_string(CFG_FILE *, char *, char *, char *);
char **get_cfg_argv(CFG_FILE *, char *, char *, int *);
CFG_FILE *new_cfg(void);
CFG_FILE *load_cfg(char *);

#ifdef __cplusplus
}
#endif

#endif /* __CFG_H__ */