/*
* This file is part of the struct2json Library.
*
* Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Function: It is an head file for this library.
* Created on: 2015-10-14
*/
#ifndef __S2JDEF_H__
#define __S2JDEF_H__
#include <string.h>
#include "cJSON.h"
#ifdef __cplusplus
extern "C" {
#endif
#define S2J_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
typedef struct {
void *(*malloc_fn)(size_t sz);
void (*free_fn)(void *ptr);
} S2jHook, *S2jHook_t;
#define S2J_STRUCT_GET_int_ELEMENT(to_struct, from_json, _element) \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
(to_struct)->_element = json_temp->valueint;
#define S2J_STRUCT_GET_int_ELEMENT_EX(to_struct, from_json, _element, _defval) \
{ \
if (from_json) { \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
(to_struct)->_element = json_temp->valueint; \
else \
(to_struct)->_element = _defval; \
} else { \
(to_struct)->_element = _defval; \
} \
}
#define S2J_STRUCT_GET_string_ELEMENT(to_struct, from_json, _element) \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
strncpy((char *)(to_struct)->_element, json_temp->valuestring, sizeof((to_struct)->_element) - 1);
#define S2J_STRUCT_GET_string_ELEMENT_EX(to_struct, from_json, _element, _defval) \
{ \
if (from_json) { \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
strncpy((to_struct)->_element, json_temp->valuestring, sizeof((to_struct)->_element) - 1); \
else \
strncpy((to_struct)->_element, _defval, sizeof((to_struct)->_element) - 1); \
} else { \
strncpy((to_struct)->_element, _defval, sizeof((to_struct)->_element) - 1); \
} \
}
#define S2J_STRUCT_GET_double_ELEMENT(to_struct, from_json, _element) \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
(to_struct)->_element = json_temp->valuedouble;
#define S2J_STRUCT_GET_double_ELEMENT_EX(to_struct, from_json, _element, _defval) \
{ \
if (from_json) { \
json_temp = cJSON_GetObjectItem(from_json, #_element); \
if (json_temp) \
(to_struct)->_element = json_temp->valuedouble; \
else \
(to_struct)->_element = _defval; \
} else { \
(to_struct)->_element = _defval; \
} \
}
#define S2J_STRUCT_ARRAY_GET_int_ELEMENT(to_struct, from_json, _element, index) \
(to_struct)->_element[index] = from_json->valueint;
#define S2J_STRUCT_ARRAY_GET_string_ELEMENT(to_struct, from_json, _element, index) \
strncpy((to_struct)->_element[index], from_json->valuestring, sizeof((to_struct)->_element[0]) - 1);
#define S2J_STRUCT_ARRAY_GET_double_ELEMENT(to_struct, from_json, _element, index) \
(to_struct)->_element[index] = from_json->valuedouble;
#define S2J_STRUCT_ARRAY_GET_ELEMENT(to_struct, from_json, type, _element, index) \
S2J_STRUCT_ARRAY_GET_##type##_ELEMENT(to_struct, from_json, _element, index)
#define S2J_STRUCT_ARRAY_GET_int_ELEMENT_EX(to_struct, from_json, _element, index, _defval) \
if (from_json) \
(to_struct)->_element[index] = from_json->valueint; \
else \
(to_struct)->_element[index] = _defval;
#define S2J_STRUCT_ARRAY_GET_string_ELEMENT_EX(to_struct, from_json, _element, index, _defval) \
if (from_json) \
strncpy((to_struct)->_element[index], from_json->valuestring, sizeof((to_struct)->_element[0]) - 1); \
else \
strncpy((to_struct)->_element[index], _defval, sizeof((to_struct)->_element[0]) - 1);
#define S2J_STRUCT_ARRAY_GET_double_ELEMENT_EX(to_struct, from_json, _element, index, _defval) \
if (from_json) \
(to_struct)->_element[index] = from_json->valuedouble; \
else \
(to_struct)->_element[index] = _defval;
#define S2J_STRUCT_ARRAY_GET_ELEMENT_EX(to_struct, from_json, type, _element, index, _defval) \
S2J_STRUCT_ARRAY_GET_##type##_ELEMENT_EX(to_struct, from_json, _element, index, _defval)
#define S2J_JSON_SET_int_ELEMENT(to_json, from_struct, _element) \
cJSON_AddNumberToObject(to_json, #_element, (long long)(from_struct)->_element);
#define S2J_JSON_SET_double_ELEMENT(to_json, from_struct, _element) \
cJSON_AddNumberToObject(to_json, #_element, (double)(from_struct)->_element);
#define S2J_JSON_SET_string_ELEMENT(to_json, from_struct, _element) \
cJSON_AddStringToObject(to_json, #_element, (from_struct)->_element);
#define S2J_JSON_ARRAY_SET_int_ELEMENT(to_json, from_struct, _element, index) \
cJSON_AddItemToArray(to_json, cJSON_CreateInt((from_struct)->_element[index]));
#define S2J_JSON_ARRAY_SET_double_ELEMENT(to_json, from_struct, _element, index) \
cJSON_AddItemToArray(to_json, cJSON_CreateNumber((from_struct)->_element[index]));
#define S2J_JSON_ARRAY_SET_string_ELEMENT(to_json, from_struct, _element, index) \
(from_struct)->_element[index][sizeof((from_struct)->_element[0]) - 1] = '\0'; \
cJSON_AddItemToArray(to_json, cJSON_CreateString((from_struct)->_element[index]));
#define S2J_JSON_ARRAY_SET_ELEMENT(to_json, from_struct, type, _element, index) \
S2J_JSON_ARRAY_SET_##type##_ELEMENT(to_json, from_struct, _element, index)
#define S2J_CREATE_JSON_OBJECT(json_obj) cJSON *json_obj = cJSON_CreateObject()
#define S2J_DELETE_JSON_OBJECT(json_obj) cJSON_Delete(json_obj);
#define S2J_JSON_SET_BASIC_ELEMENT(to_json, from_struct, type, _element) \
S2J_JSON_SET_##type##_ELEMENT(to_json, from_struct, _element)
#define S2J_JSON_SET_ARRAY_ELEMENT(to_json, from_struct, type, _element, size) \
{ \
cJSON *array_##_element; \
size_t index_##_element = 0; \
array_##_element = cJSON_CreateArray(); \
if (array_##_element) { \
for (; index_##_element < size; index_##_element++) { \
S2J_JSON_ARRAY_SET_ELEMENT(array_##_element, from_struct, type, _element, index_##_element); \
} \
cJSON_AddItemToObject(to_json, #_element, array_##_element); \
} \
}
#define S2J_JSON_SET_STRUCT_ELEMENT(child_json, to_json, child_struct, from_struct, type, _element) \
type *child_struct = &((from_struct)->_element); \
cJSON *child_json = cJSON_CreateObject(); \
if (child_json) \
cJSON_AddItemToObject(to_json, #_element, child_json);
#define S2J_CREATE_STRUCT_OBJECT(struct_obj, type) \
cJSON *json_temp; \
type *struct_obj = (type *)s2jHook.malloc_fn(sizeof(type)); \
if (struct_obj) \
memset(struct_obj, 0, sizeof(type))
#define S2J_DELETE_STRUCT_OBJECT(struct_obj) s2jHook.free_fn(struct_obj);
#define S2J_STRUCT_GET_BASIC_ELEMENT(to_struct, from_json, type, _element) \
S2J_STRUCT_GET_##type##_ELEMENT(to_struct, from_json, _element)
#define S2J_STRUCT_GET_BASIC_ELEMENT_EX(to_struct, from_json, type, _element, _defval) \
S2J_STRUCT_GET_##type##_ELEMENT_EX(to_struct, from_json, _element, _defval)
#define S2J_STRUCT_GET_ARRAY_ELEMENT(to_struct, from_json, type, _element) \
{ \
cJSON *array_##_element, *array_item_##_element; \
size_t index_##_element = 0, size_##_element = 0, realsize_##_element = 0; \
size_##_element = S2J_ARRAY_SIZE((to_struct)->_element); \
array_##_element = cJSON_GetObjectItem(from_json, #_element); \
if (array_##_element) { \
realsize_##_element = cJSON_GetArraySize(array_##_element); \
for (; index_##_element < realsize_##_element && index_##_element < size_##_element; index_##_element++) { \
array_item_##_element = cJSON_GetArrayItem(array_##_element, index_##_element); \
if (array_item_##_element) { \
S2J_STRUCT_ARRAY_GET_ELEMENT(to_struct, array_item_##_element, type, _element, index_##_element); \
} \
} \
} \
}
#define S2J_STRUCT_GET_ARRAY_ELEMENT_EX(to_struct, from_json, type, _element, size, _defval) \
{ \
size_t index_##_element = 0, size_##_element = 0, realsize_##_element = 0; \
if (from_json) { \
cJSON *array_##_element = NULL, *array_item_##_element = NULL; \
array_##_element = cJSON_GetObjectItem(from_json, #_element); \
if (array_##_element) { \
realsize_##_element = cJSON_GetArraySize(array_##_element); \
for (; index_##_element < realsize_##_element && index_##_element < size; index_##_element++) { \
array_item_##_element = cJSON_GetArrayItem(array_##_element, index_##_element); \
if (array_item_##_element) { \
S2J_STRUCT_ARRAY_GET_ELEMENT_EX(to_struct, \
array_item_##_element, \
type, \
_element, \
index_##_element, \
_defval); \
} \
} \
} else { \
for (; index_##_element < realsize_##_element && index_##_element < size; index_##_element++) { \
S2J_STRUCT_ARRAY_GET_ELEMENT_EX(to_struct, \
array_##_element, \
type, \
_element, \
index_##_element, \
_defval); \
} \
} \
} else { \
for (; index_##_element < realsize_##_element && index_##_element < size; index_##_element++) { \
S2J_STRUCT_ARRAY_GET_ELEMENT_EX(to_struct, from_json, type, _element, index_##_element, _defval); \
} \
} \
}
#define S2J_STRUCT_GET_STRUCT_ELEMENT(child_struct, to_struct, child_json, from_json, type, _element) \
type *child_struct = &((to_struct)->_element); \
cJSON *child_json = cJSON_GetObjectItem(from_json, #_element);
#define S2J_JSON_SET_STRUCT_ELEMENT_BY_FUNC(to_json, from_struct, type, element) \
cJSON_AddItemToObject(to_json, #element, struct_to_json_##type(&((from_struct)->element)))
#define S2J_JSON_SET_STRUCT_ARRAY_ELEMENT_BY_FUNC(to_json, from_struct, type, element, array_size) \
{ \
cJSON *j_array_##element = cJSON_CreateArray(); \
cJSON_AddItemToObject(to_json, #element, j_array_##element); \
int j_index_##element = 0; \
for (; j_index_##element < array_size; j_index_##element++) { \
cJSON_AddItemToArray(j_array_##element, \
struct_to_json_##type(&((from_struct)->element[j_index_##element]))); \
} \
}
#define S2J_STRUCT_GET_STRUCT_ELEMENT_BY_FUNC(to_struct, from_json, type, element) \
{ \
S2J_STRUCT_GET_STRUCT_ELEMENT(struct_##element, to_struct, json_##element, from_json, type, element) \
if (json_##element) { \
type *p_##element = (type *)json_to_struct_##type(json_##element); \
*(struct_##element) = *(p_##element); \
s2j_delete_struct_obj(p_##element); \
} else { \
fprintf(stdout, \
"\nWARNING: Invalid json element(%s). [FUNCTION:%s, FILE:%s, LINE:%d]\n", \
#element, \
__FUNCTION__, \
__FILE__, \
__LINE__); \
} \
}
#define S2J_STRUCT_GET_STRUCT_ARRAY_ELEMENT_BY_FUNC(to_struct, from_json, type, element) \
{ \
cJSON *array_##element, *array_item_##element; \
size_t index_##element = 0, size_##element = 0, realsize_##element = 0; \
size_##element = S2J_ARRAY_SIZE((to_struct)->element); \
array_##element = cJSON_GetObjectItem(from_json, #element); \
if (array_##element) { \
realsize_##element = cJSON_GetArraySize(array_##element); \
for (; index_##element < realsize_##element && index_##element < size_##element; index_##element++) { \
array_item_##element = cJSON_GetArrayItem(array_##element, index_##element); \
if (array_item_##element) { \
type *struct_##element = &((to_struct)->element[index_##element]); \
type *p##element = (type *)json_to_struct_##type(array_item_##element); \
*(struct_##element) = *(p##element); \
s2j_delete_struct_obj(p##element); \
} \
} \
} else { \
fprintf(stdout, \
"\nWARNING: Invalid json element(%s). [FUNCTION:%s, FILE:%s, LINE:%d]\n", \
#element, \
__FUNCTION__, \
__FILE__, \
__LINE__); \
} \
}
#ifdef __cplusplus
}
#endif
#endif /* __S2JDEF_H__ */