#ifndef __KVT_H #define __KVT_H #include #include #include "mavl.h" #define CW_KTV_MAX_KEY_LEN 1024 struct cw_KTV { char *key; const struct cw_Type *type; union { uint32_t dword; uint16_t word; uint8_t byte; void *ptr; int boolean; } val; }; typedef struct cw_KTV cw_KTV_t; struct cw_Type { /** A human readable name for this type */ const char *name; /** A pointer to a function to delete elements of this type */ void (*del) (struct cw_KTV * data); /** A method to put this object to a buffer */ int (*put) (const struct cw_KTV * data, uint8_t * dst); /** The get method */ struct cw_KTV *(*get) (struct cw_KTV * data, const uint8_t * src, int len); /** A pointer to a function to convert elements of this type to a string. This function is mainly used to store elements to an SQL database or to json strings */ int (*to_str) (const struct cw_KTV * data, char *dst, int max_len); /** Cereate an item of this type from a string, which was previously created by the #del function. */ struct cw_KTV *(*from_str) (struct cw_KTV * data, const char *src); int (*len)(cw_KTV_t *); }; typedef struct cw_Type cw_Type_t; extern const struct cw_Type cw_type_byte; extern const struct cw_Type cw_type_word; extern const struct cw_Type cw_type_dword; extern const struct cw_Type cw_type_bstr16; #define CW_TYPE_BYTE (&cw_type_byte) #define CW_TYPE_WORD (&cw_type_word) #define CW_TYPE_DWORD (&cw_type_dword) #define CW_TYPE_BSTR16 (&cw_type_bstr16) /* void cw_kvstore_mavl_delete(const void *data); */ const char *cw_ktv_add(mavl_t kvstore, const char *key, const struct cw_Type *type, const uint8_t * data, int len); const char * cw_ktv_add_from_str(mavl_t kvtstore, const char *key, const struct cw_Type *type, const char * str); int cw_ktv_mavlcmp(const void *v1, const void *v2); int cw_ktv_mavlcmp_type_by_name(const void *v1,const void *v2); void cw_ktv_mavldel(void *data); #define cw_ktv_create()\ mavl_create(cw_ktv_mavlcmp, cw_ktv_mavldel, sizeof(cw_KTV_t)) #define cw_ktv_create_types_tree()\ mavl_create(cw_ktv_mavlcmp_type_by_name,NULL,sizeof(struct cw_Type *)) int cw_ktv_read_line (FILE *f, char * key, char * type, char *val); int cw_ktv_read_file(FILE * file, mavl_t ktv, mavl_t types); cw_KTV_t * cw_ktv_get(mavl_t ktv, const char *key, const cw_Type_t * type); uint8_t cw_ktv_get_byte(mavl_t ktv,const char *key, uint8_t def); uint16_t cw_ktv_get_word(mavl_t ktv,const char *key, uint16_t def); void cw_ktv_dump(mavl_t ktv, uint32_t dbglevel, const char *header, const char *prefix, const char *footer ); extern const cw_Type_t * cw_ktv_std_types[]; #define CW_KTV_STD_TYPES cw_ktv_std_types #endif /* __KVT_H */