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/*
* Copyright (c) 2000 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __KEYVAL_H__
#define __KEYVAL_H__
/**
* keyval.h
*
* keyval object
*/
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
# endif
/* ADT: object */
typedef struct keyval_t keyval_t;
/* Object methods */
typedef struct keyval_method_collection_t keyval_method_collection_t;
typedef void (*keyval_method_free_t)(keyval_t *kv, int do_free_object);
typedef int (*keyval_method_compare_t) (keyval_t *kv1, keyval_t *kv2);
typedef size_t (*keyval_method_get_encoded_size_t)(keyval_t *kv);
typedef size_t (*keyval_method_encode_t)(
keyval_t *,
unsigned char **byte,
size_t *byte_len);
typedef size_t (*keyval_method_decode_t)(unsigned char *byte, keyval_t **kv,
size_t byte_size);
struct keyval_method_collection_t {
keyval_method_free_t free;
keyval_method_compare_t compare;
keyval_method_get_encoded_size_t get_encoded_size;
keyval_method_encode_t encode;
keyval_method_decode_t decode;
};
struct keyval_t {
int type;
char *key; /* To be freed. */
void *val; /* To be freed. */
size_t size; /* Size of a single value. */
struct keyval_t *next;
keyval_method_collection_t *method;
};
keyval_t * keyval_new(keyval_t *kv, const char *key,
const int type, const void *val, const size_t size);
void keyval_free(keyval_t *kv, int do_free_object);
int keyval_compare(keyval_t *kv1, keyval_t *kv2);
size_t keyval_get_encoded_size(keyval_t *kv);
size_t keyval_encode(keyval_t *kv, unsigned char **byte, size_t *byte_len);
size_t keyval_decode(unsigned char *byte, keyval_t **kv, size_t byte_size);
int keyval_get_data(keyval_t *kv, int *type, void **val, size_t *size);
int keyval_get_type_from_encoded_byte(unsigned char *byte);
#ifdef __cplusplus
}
#endif
#endif /* __KEYVAL_H__ */
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