open_address_file_hash.h

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/******************************************************************************/
/******************************************************************************/

#if !defined(OPEN_ADDRESS_FILE_H_)
#define OPEN_ADDRESS_FILE_H_

#if defined(__cplusplus)
extern "C" {
#endif

#include <string.h>
#include <stdio.h>

#include "../dictionary_types.h"
#include "./../dictionary.h"
#include "open_address_file_hash_dictionary.h"

#include "../../key_value/kv_system.h"

/*edefines file operations for arduino */
#include "../../file/sd_stdio_c_iface.h"

#define ION_EMPTY   -1
#define ION_DELETED -2
#define ION_IN_USE  -3
#define SIZEOF(STATUS) 1

typedef struct file_hashmap ion_file_hashmap_t;

struct file_hashmap {
    ion_dictionary_parent_t super;
    int                     map_size;   
    ion_write_concern_t     write_concern;  
    int                     (*compute_hash)(
        ion_file_hashmap_t *,
        ion_key_t,
        int
    );

    FILE *file; 
};

ion_err_t
oafh_open(
    ion_dictionary_config_info_t    config,
    ion_file_hashmap_t              *hash_map
);

ion_err_t
oafh_close(
    ion_file_hashmap_t *hash_map
);

ion_err_t
oafh_initialize(
    ion_file_hashmap_t *hashmap,
    ion_hash_t (*hashing_function)(ion_file_hashmap_t *, ion_key_t, int),
    ion_key_type_t key_type,
    ion_key_size_t key_size,
    ion_value_size_t value_size,
    int size,
    ion_dictionary_id_t id
);

ion_err_t
oafh_destroy(
    ion_file_hashmap_t *hash_map
);

ion_status_t
oafh_insert(
    ion_file_hashmap_t  *hash_map,
    ion_key_t           key,
    ion_value_t         value
);

ion_status_t
oafh_update(
    ion_file_hashmap_t  *hash_map,
    ion_key_t           key,
    ion_value_t         value
);

int
oafh_get_location(
    ion_hash_t  num,
    int         size
);

ion_err_t
oafh_find_item_loc(
    ion_file_hashmap_t  *hash_map,
    ion_key_t           key,
    int                 *location
);

ion_status_t
oafh_delete(
    ion_file_hashmap_t  *hash_map,
    ion_key_t           key
);

ion_status_t
oafh_get(
    ion_file_hashmap_t  *hash_map,
    ion_key_t           key,
    ion_value_t         value
);

ion_hash_t
oafh_compute_simple_hash(
    ion_file_hashmap_t  *hashmap,
    ion_key_t           key,
    int                 size_of_key
);

/*void
static_hash_init(ion_dictonary_handler_t * client);*/

#if defined(__cplusplus)
}
#endif

#endif