source: npl/mediabox/lcdproc_edwin/src/old/cfg.h

/***********************************************
**
** cfg.h v0.01
**
** Generic config file handler
** (c) Gareth Watts 1998
*/


#define CFG_READONLY 1
#define CFG_READWRITE 2


struct cfg_node {
        char *optname;
        char *optvalue;
        int dirty;
        struct cfg_node *next;
};


struct cfg_queuenode {
        struct cfg_node *ref;
        struct cfg_queuenode *next;
};


#define CFG_HASHSIZE 1297
typedef struct cfg {

        // PUBLIC METHODS
        void (*free)(struct cfg *self);
        int (*openfile)(struct cfg *self,char *fn,int mode);
        int (*autoflush)(struct cfg *self,int flushmode);
        char *(*getstring)(struct cfg *self,char *key);
        int (*getint)(struct cfg *self,char *key);
        float (*getfloat)(struct cfg *self,char *key);
        int (*setstring)(struct cfg *self,char *key, char *value);
        int (*setint)(struct cfg *self,char *key, int value);
        int (*setfloat)(struct cfg *self,char *key, float value);
        int (*flush)(struct cfg *self);

        // PUBLIC DATA
        char *lasterror;


        // PRIVATE METHODS
        int (*_init)(struct cfg *self);
        int (*_getkey)(struct cfg *self,char *str);
        int (*_insert)(struct cfg *self,char *keyname,char *keyval,int dirty);
        struct cfg_node *(*_getnode)(struct cfg *self,char *keyname);
        char *(*_lookup)(struct cfg *self,char *keyname);
        int (*_cleardirty)(struct cfg *self,struct cfg_node *ptr);
        int (*_splitline)(struct cfg *self,char *src, char **f, char **s);
        int (*_set)(struct cfg *self, char *keyname, char *keyvalue);
        int (*_queuepush)(struct cfg *self, struct cfg_node *node);
        struct cfg_queuenode *(*_queuenext)(struct cfg *self, struct cfg_queuenode *last);
        int (*_queuefree)(struct cfg *self);
        int (*_flush)(struct cfg *self);

        // PRIVATE DATA
        struct cfg_node *cfg_hash[CFG_HASHSIZE];
        struct cfg_queuenode *cfg_newsthead;
        struct cfg_queuenode *cfg_newsttail;
        char *filename;
        int filemode;
        int aflush;
} cfg;

cfg *cfg_new();